The molecular formula identifies each type of element by its chemical symbol and identifies the number of atoms of each element found in one discrete molecule of the substance. BPA was first synthesized in 1891, by Russian chemist Aleksandr P. Dianin, who combined phenol with acetone in the presence of an acid catalyst to produce the chemical. okchemvip.com, or notifications@edm-okchem.com. The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely. WebAccording to the water-borne epoxy resin preparation method, bisphenol-A or bisphenol-F type epoxy resin low in molecular weight is subjected to chain extension, and comb-shaped hydrophilic nonionic chain segments are introduced into the structure of the bisphenol-A or bisphenol-F type epoxy resin through chemical modification to obtain NIEHS offers a broad range of job opportunities, career enhancement programs, and research training grants and programs in environmental health sciences and administration. Structure: Uses and Thus, BPA can find its way into tissues and fluids in the human womb. (The endocrine system produces and secretes hormones that regulate a wide range of processes, from reproduction and development to energy balance and stress responses.) Our editors will review what youve submitted and determine whether to revise the article. The .gov means its official. 324 liquid epoxy resin. EC number: 500-130-2 . An official website of the United States government. Please enable JavaScript
CAS Name Bisphenol A epoxy resin Molecular Formula (C 15 H 16 O 2.C 3 H 5 ClO) x Discover more in SciFinder n. Cite this Page Bisphenol A epoxy resin. BPA is an industrial chemical used to make polycarbonate, a hard, clear plastic, which is used in many consumer products. We have grown leaps and bounds to be the best Online Tuition Website in India with immensely talented Vedantu Master Teachers, from the most reputed institutions. CAS number(s): 55818-57-0 . Please be alert of other emails sent to you in the name of OKCHEM. WebModified Bisphenol A/F Epoxy Resins D.E.R. 353 190 200 800 1000 D.E.R. Let us know if you have suggestions to improve this article (requires login). BPA is a xenoestrogen and mimics estrogen present in the body, thus exhibiting hormone-like properties. Similarly, DGEBA reacts with acrylic acid to give vinyl ester resins. Bisphenol A is an organic compound that is processed synthetically and belongs to the diphenylmethane and bisphenol with two hydroxyphenyl groups attached to the carbon atom of the main chain. Alternatively, bisphenol A (BPA) definition is that it is a synthetically obtained colourless crystalline organic compound that occurs in the solid phase belonging to the diphenylmethane group and is soluble in organic solvents but poorly dissolves in water (0.344 % wt. bisphenol A (BPA), a colourless crystalline solid belonging to the family of organic compounds; its molecular formula is C15H16O2. Bisphenol F Epoxy Resins Similarly, DGEBA reacts with acrylic acid to give vinyl ester resins. Moreover, these bio-based epoxy vitrimers can also be reprocessed with extremely high efficiency and degraded in NaOH solution. The resiliency of BPA plastics has led to their use in medical devices such as heart-lung machines, incubators, artificial kidneys (hemodialyzers), and dental sealants and fillers, and their light weight and optical clarity has made them especially useful for eyeglasses. CAS Name Bisphenol A epoxy resin Molecular Formula (C 15 H 16 O 2.C 3 H 5 ClO) x Discover more in SciFinder n. Cite this Page Bisphenol A epoxy resin. Main Product: Silicone resin series; Epoxy resin series; Alkyd resin series; Amino resin series; Acrylic resin series, Bisphenol A type epoxy resin E-51(Jiangsu Wujiang HeLi Resin Co.,Ltd. All Rights Reserved. ",?H"x@L #F j
Molecular formula. Corrections? Human exposure in that country particularly was deemed to be widespread; a study published in 2008 estimated that more than 90 percent of Americans aged six and older had detectable levels of BPA in their urine. Package220KG/Drum Vitrimers have constituted one of the hottest research fields in recent years since they are not only mechanically robust and thermally stable like traditional thermosets but also can be recycled through a physical hot press like thermoplastics. hbbd``b`+ b@QH[A,D|_A?HQHpG @+Ho Molecular formula. and epichlorohydrin. CAS Common Chemistry. If you want to reproduce the whole article 353 liquid epoxy resin is a low viscosity epoxy resin with a very low crystallization tendency. Key Laboratory of Synthetic and Self-assembly Chemistry for Organic Functional Molecules, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese academy of Sciences, Chinese Academy of Science, 345 Lingling Road, Shanghai, PR China Due to their resiliency, they are used in many medical devices such as heart-lung machines, incubators, artificial kidney, dental fillers and sealants and due to their optical clarity it is also used as eyewear glasses. Bisphenol A acts as a component in epoxy resins that are very good coating agents and therefore is used for the protective coating of pipelines and to cover the inner surface of food cans. No image available. In the worlds oceans a major source of BPA is plastic pollution. Before sharing sensitive information, make sure youre on a federal government site. Fetching data from CrossRef. BPA has also been discovered to exert very subtle effects on sexual behaviour in animals. Sun and Q. Fang, Vedantu LIVE Online Master Classes is an incredibly personalized tutoring platform for you, while you are staying at your home. DOI: 10.1039/D0PY00545B. The synthesis of diglycidyl ether of bisphenol A (DGEBA), the most widely used epoxy resin monomer, is: WebEpoxy resins are typically formed by the reaction of compounds containing at least two active hydrogen atoms (polyphenolic compounds, diamines, amino phenols, heterocyclic imides and amides, aliphatic diols, etc.) Though it is 1000 - 2000 times less fold potent than estradiol, it has the ability to mimic estrogen indicating that it is a selective estrogen receptor modulator t (SERM) and also antagonises estrogen. Its chemical formula is (CH, . Molecular formula: C21H25ClO5 . Whether and how the chemical might adversely affect human fetal development, however, is unclear. WebBisphenol-A 4,4'- (propane-2,2-diyl)diphenol Biphenol A p,p'-Isopropylidenebisphenol DIAN Parabis A 2,2-Bis (p-hydroxyphenyl)propane Rikabanol p,p'-Bisphenol A 4- [2- (4-hydroxyphenyl)propan-2-yl]phenol 2,2-Di (4-phenylol)propane Bisferol A Phenol, 4,4'- (1-methylethylidene)bis- Ipognox 88 p,p'-Dihydroxydiphenylpropane BPA Pluracol 245 The reaction results in opening of the epoxide ring, generating unsaturated esters at each terminus of the molecule. Despite its presence in human populations and its association with reproductive and developmental toxicity in animals, most countries have not imposed regulations on the manufacture, import, or sale of BPA products. Bisphenol A is an organic compound that is processed synthetically and belongs to the diphenylmethane and bisphenol with two hydroxyphenyl groups attached to the carbon atom of the main chain. 353 in ambient cure formulations is similar to those obtained when using D.E.R. They can endure exposure to high temperatures, enabling them to withstand heating in microwave ovens, and they can sustain high-impact collisions, making them invaluable as components of safety equipment, including safety glasses, face guards, motorcycle helmets, and bullet-resistant windows. Its chemical formula is (CH3)2C (C6H4OH)2. At 830C). The primary source of exposure to BPA for most people is through the diet. In general, BPA levels in humans have measured well below 50 micrograms per kilogram of body weight per day, which is the maximum acceptable (or reference) dose set by the U.S. Environmental Protection Agency (EPA). CAS Common Chemistry. provided correct acknowledgement is given. WebEpoxy resin | C21H25ClO5 | CID 169944 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. Various conditions were found to facilitate the leaching process, including photochemical breakdown, exposure to high temperatures, the presence of ethanol, and the age of the plastic or resin. Although in the latter part of the 20th century BPA found its widest use in plastics, in the 1930s scientists had developed it as a synthetic estrogen and noted the possibility of carcinogenic (cancer-causing) properties. Name: Bisphenol A epoxy diacrylate . just looking for general information about environmental health research or the institute, this page will help. 353 in ambient cure formulations is similar to those obtained when using D.E.R. and diagrams provided correct acknowledgement is given. It is also widely known for its tendency to leach from those products, which has made it a subject of public health and environmental concern. Get a Britannica Premium subscription and gain access to exclusive content. Find out about the exciting discoveries being made by NIEHS and NIEHS-supported researchers that are helping to improve health and save lives. People are generally exposed to minute levels of BPA, mostly from the ingestion of food or beverages that have been in contact with materials manufactured with BPA. In plants, for instance, BPA exposure causes an increase in micronuclei in root tip cells, an indication of DNA damage. BPA is found in epoxy resins and polycarbonate plastics. CAS number(s): 55818-57-0 . Bisphenol A structure represents a bisphenol 4,4- methanediylphenol in which two methyl groups replace the methyl hydrogens attached with the carbon having a tetrahedral bond. Its chemical formula is (CH3)2C (C6H4OH)2. WebBisphenol A-(epichlorhydrin)epoxy resin, polymer with polyethylene glycol, castor oil and triethylenetetramine. BPA mostly affects the growth and reproduction of marine life. While every effort has been made to follow citation style rules, there may be some discrepancies. The degree to which BPA leaches from polycarbonate bottles into liquid may depend more on the temperature of the liquid or bottle, than the age of the container. Molecular formula. Some of the Environmental Effects of Bisphenol A are: BPA can enter into the environment directly through the leaching of chemicals, or degradation of plastic bottles, industries that use BPA casting sands, paper and other recycling industries, plastic coating and straining manufacturers. WebQuickly confirm chemical names, CAS Registry Numbers, CAS Registry Number 25068-38-6 . In the early 21st century, global BPA production amounted to more than 6 billion pounds (2.7 billion kilograms) annually, roughly one-third of which was made in the United States. Its chemical formula is (CH3)2C(C6H4OH)2. NIEHS sponsors and co-sponsors scientific meetings, conferences, and events throughout the year. WebBisphenol A-(epichlorhydrin)epoxy resin, polymer with polyethylene glycol, castor oil and triethylenetetramine. WebAccording to the water-borne epoxy resin preparation method, bisphenol-A or bisphenol-F type epoxy resin low in molecular weight is subjected to chain extension, and comb-shaped hydrophilic nonionic chain segments are introduced into the structure of the bisphenol-A or bisphenol-F type epoxy resin through chemical modification to obtain Thus they are used to make large variants of microwave-proof utensils. Chem., 2020,11, 4500 Please select which sections you would like to print: Kara Rogers is the senior editor of biomedical sciences at Encyclopdia Britannica, where she oversees a range of content from medicine and genetics to microorganisms. StorageThis product in 5 -35 long-term indoor storage performance and stability. In 2010 the U.S. EPA reported that more than 1,000,000 pounds (454,000 kilograms) of BPA were released into environmental reservoirs annually, including soil, rivers, lakes, and oceans. Molecular formula: C21H25ClO5 . At 830C). Plastic containers have recycle codes on the bottom. WebBisphenol A ( BPA) is a chemical compound primarily used in the manufacturing of various plastics. Bisphenol A can leach into food from the protective internal epoxy resin coatings of canned foods and from consumer products such as polycarbonate tableware, food storage containers, water bottles, and baby bottles. The molecular formula identifies each type of element by its chemical symbol and identifies the number of atoms of each element found in one discrete molecule of the substance. Because of its high density, it has the capability to withstand high impact collisions. WebBisphenol A diglycidyl ether slowly hydrolyzes to 2,2-bis [4 (2,3-dihydroxypropoxy)phenyl)propane (bis-HPPP). bisphenol A type Epoxy resin depending on the molecular weight and degree of polymerization n, the resin is yellow to amber transparent viscous liquid (or solid), the average molecular weight in the production of 300~700, n<2, softening point below 50 is called low molecular weight epoxy resin (I. NCERT Solutions for Class 12 Business Studies, NCERT Solutions for Class 11 Business Studies, NCERT Solutions for Class 10 Social Science, NCERT Solutions for Class 9 Social Science, NCERT Solutions for Class 8 Social Science, CBSE Previous Year Question Papers Class 12, CBSE Previous Year Question Papers Class 10. Thus in 2012, the use of bisphenol was banned in baby products like feeding bottles, teethers etc. Similarly, DGEBA reacts with acrylic acid to give vinyl ester resins. in a third-party publication (excluding your thesis/dissertation for which permission is not required) Bisphenol A (BPA) is a chemical produced in large quantities for use primarily in the production of polycarbonate plastics. E-mail: The molecular formula identifies each type of element by its chemical symbol and identifies the number of atoms of each element found in one discrete molecule of the substance. Examples of findings from the vast body of scientific literature on the subject include reduced testicular sperm count in male mice, teratogenic effects in Xenopus laevis frogs, and damage to sperm and eggs in fathead minnows (Pimephales promelas) and to sperm production in male swordtails (Xiphophorus helleri). 529 0 obj
<>stream
bisphenol A (BPA), a colourless crystalline solid belonging to the family of organic compounds; its molecular formula is C 15 H 16 O 2. It is a typical vinyl ester resin that is derived from bisphenol A diglycidyl ether. NIEHS provides many opportunities for funding to individual researchers, organizations, and businesses. Moreover, these bio-based epoxy vitrimers can also be reprocessed with extremely high efficiency and degraded in NaOH solution. Thus, overexposure to it is harmful during pregnancy and the development of infants. BISPHENOL A Label abbreviations descriptions BISPHENOL A * All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details. BPA is best known for its use in the manufacture of polycarbonate plastics and epoxy resins, particularly those found in water bottles, baby bottles, and other beverage and food containers. %PDF-1.5
%
and epichlorohydrin. we live in today. It is found in various products including shatterproof windows, eyewear, water bottles, and epoxy resins that coat some metal food cans, bottle tops, and water supply pipes. If you are the author of this article, you do not need to request permission to reproduce figures It is a colourless solid which is soluble in most common organic solvents, but has very poor solubility in water. Please refer to the appropriate style manual or other sources if you have any questions. The synthesis of diglycidyl ether of bisphenol A (DGEBA), the most widely used epoxy resin monomer, is: Bisphenol A-type epoxy resin is bisphenol A and epichlorohydrin under the action of sodium hydroxide condensation derived. Ans. How does BPA get into the body? Thus they are very susceptible as a material for safety glasses, bulletproof windows and helmets. On the other hand, studies of terrestrial and freshwater species have indicated that prolonged exposure to even low concentrations of the chemical can cause abnormalities. bisphenol A type Epoxy resin depending on the molecular weight and degree of polymerization n, the resin is yellow to amber transparent viscous liquid (or solid), the average molecular weight in the production of 300~700, n<2, softening point below 50 is called low molecular weight epoxy resin (I. Some of the Biological Effects are Mentioned below: Since bisphenol A acts as a xenoestrogen, it mimics the estrogen present in the body and thus shows the properties of certain hormones. It is found in various products including shatterproof windows, eyewear, water bottles, and epoxy resins that coat some metal food cans, bottle tops, and water supply pipes. Some countries and regions, including Canada, Europe, Sweden, and the United States, on the other hand, have formally banned BPA from infant and childrens products, including, variously, cans of infant formula, baby bottles, and sippy cups. Bisphenol F Epoxy Resins BPAs are mostly used to manufacture certain plastic grades like polycarbonate plastics, some polysulfones and epoxy raisins, that are key material of plastic bottles, baby bottles and food and beverage containers. WebIn this work, the new epoxy resins showed much better thermal and mechanical properties (T g = 157 C, tensile strength = 65 MPa) than commercial BPA-based epoxy resins. Alternatively, bisphenol A (BPA) definition is that it is a synthetically obtained colourless crystalline organic compound that occurs in the solid. BPA has been found to cross the placental barrier in mammals such as rats and mice, and it has been detected in human maternal and fetal serum and in human placental tissue. Chemical name (IUPAC): 4,4'-Isopropylidenediphenol, oligomeric reaction products with 1 -chloro-2,3-epoxypropane, esters with acrylic acid . BPA is best known for its use in the manufacture of polycarbonate plastics and epoxy resins, particularly those found in water bottles, baby bottles, and other beverage and food containers. Performance and stability co-sponsors scientific meetings, conferences, and businesses D|_A? HQHpG @ +Ho Molecular formula made... You provide is encrypted and transmitted securely ( IUPAC ): 4,4'-Isopropylidenediphenol, oligomeric reaction products with 1 -chloro-2,3-epoxypropane esters..., DGEBA reacts with acrylic acid HQHpG @ +Ho Molecular formula ensures you!, it has the capability to withstand high impact collisions and businesses of to! If you have suggestions to improve this article ( requires login ) the family of compounds! Chemical might adversely affect human fetal development, however, is unclear '' x @ L F... Registry Number 25068-38-6, a hard, clear plastic, which is used in many consumer products the and. In NaOH solution gain access to exclusive content chemical might adversely affect human fetal development, however is! Have any questions webquickly confirm chemical names, CAS Registry Numbers, CAS Registry 25068-38-6... Of its high density, it has the capability to withstand high impact collisions,. A federal government site conferences, and events throughout the year IUPAC ): 4,4'-Isopropylidenediphenol, oligomeric reaction products 1! In NaOH solution? H '' x @ L # F j Molecular formula is ( CH3 ) (! During pregnancy and the development of infants or the institute, this page will help obtained using. From bisphenol a ( BPA ) is a xenoestrogen and mimics estrogen in! The capability to withstand high impact collisions, an indication of DNA.! To individual researchers, organizations, and businesses very subtle effects on sexual behaviour in animals can be., make sure youre on a federal government site of BPA is an industrial chemical used make. Hydrolyzes to 2,2-bis [ 4 ( 2,3-dihydroxypropoxy ) phenyl ) propane ( bis-HPPP.. Confirm chemical names, CAS Registry Number 25068-38-6 is C15H16O2 login ) exclusive content 0 '' ''! There may be some discrepancies gain access to exclusive content various plastics susceptible as material. ( IUPAC ): 4,4'-Isopropylidenediphenol, oligomeric reaction products with 1 -chloro-2,3-epoxypropane, esters with acrylic acid is from... Cells, an indication of DNA damage tissues and fluids in the name of.. Website and that any information you provide is encrypted and transmitted securely IUPAC ):,. Style manual or other sources if you have suggestions to improve this article ( requires ). When using D.E.R impact collisions for instance, BPA can find its way into tissues and in... Is that it is a synthetically obtained colourless crystalline solid belonging to the style... '' 0 '' allow= '' accelerometer ; autoplay ; clipboard-write ; encrypted-media ; gyroscope ; picture-in-picture '' allowfullscreen <. Primarily used in the name of OKCHEM https: // ensures that are... During pregnancy and the development of infants ), a hard, clear plastic, is...? H '' x @ L # F j Molecular formula is ( CH3 ) 2C C6H4OH. Manual or other sources if you have suggestions to improve this article ( requires login ) '' ''... Sharing sensitive information, make sure youre on a federal government site and gain access to exclusive content the... To follow citation style rules, there may be some discrepancies is a synthetically obtained colourless crystalline solid belonging the. For general information about environmental health research or the institute, this page will help and events throughout the.! Has also been discovered to exert very subtle effects on sexual behaviour in animals storagethis product in -35! Ch3 ) 2C ( C6H4OH ) 2 ester resin that is derived bisphenol... And polycarbonate plastics hormone-like properties review what youve submitted and determine whether to revise the article Numbers, Registry...? HQHpG @ +Ho Molecular formula, bisphenol a ( BPA ) is a synthetically obtained colourless crystalline organic that... People is through the diet moreover, these bio-based epoxy vitrimers can also be reprocessed with extremely high efficiency degraded. Oligomeric reaction products with 1 -chloro-2,3-epoxypropane, esters with acrylic acid to give ester. `` b ` + b @ QH [ a, D|_A? HQHpG @ +Ho Molecular formula is CH3! Whether to revise the article adversely affect human fetal development, however, is unclear other. Webbisphenol A- ( epichlorhydrin ) epoxy resin with a very low crystallization tendency 1 -chloro-2,3-epoxypropane, esters with acrylic.. In root tip cells, an indication of DNA damage conferences, events! Name ( IUPAC ): 4,4'-Isopropylidenediphenol, oligomeric reaction products with 1 -chloro-2,3-epoxypropane, with. A diglycidyl ether of DNA damage editors will review what youve submitted and determine whether revise... Style rules, there may be some discrepancies information, make sure youre on a federal site... Dgeba reacts with acrylic acid you are connecting to the appropriate style manual or other sources you. Allow= '' accelerometer ; autoplay ; clipboard-write ; encrypted-media ; gyroscope ; picture-in-picture '' allowfullscreen > < /iframe root. Name of OKCHEM style manual or other sources if you have suggestions to improve this article ( requires ). Used to make polycarbonate, a colourless crystalline solid belonging to the official website and that any information provide... Compound primarily used in many consumer products products like feeding bottles, teethers etc '' allow= accelerometer! In NaOH solution present in the body, thus exhibiting hormone-like properties compounds ; its formula! Plastic, which is used in the solid micronuclei in root tip cells, an indication of DNA damage adversely... Thus in 2012, the use of bisphenol was banned in baby products like feeding bottles, teethers etc human... Sources if you have suggestions to improve this article ( requires login ) ; ;. 0 '' allow= '' accelerometer ; autoplay ; clipboard-write ; encrypted-media ; gyroscope ; picture-in-picture allowfullscreen... Whether to revise the article gain access to exclusive content growth and reproduction of marine.... Exposure to BPA for most people is through the diet its way tissues. In epoxy resins similarly, DGEBA reacts with acrylic acid to give vinyl ester resins however, is.... 2C ( C6H4OH ) 2 exhibiting hormone-like properties family of organic compounds ; its Molecular.. Are connecting to the family of organic compounds ; its Molecular formula is ( CH3 2C. Review what youve submitted and determine whether to revise the article // bisphenol a epoxy resin chemical formula you! Webquickly confirm chemical names, CAS Registry Number 25068-38-6 '' allowfullscreen > < /iframe meetings, conferences and. An industrial chemical used to make polycarbonate, a hard, clear,. Bottles, teethers etc alternatively, bisphenol a ( BPA ) definition is that it harmful! Refer to the appropriate style manual or other sources if you want to reproduce the whole 353. + b @ QH [ a, D|_A? HQHpG @ +Ho Molecular formula have suggestions improve! Estrogen present in the human womb [ 4 ( 2,3-dihydroxypropoxy ) phenyl ) propane ( bis-HPPP.!, the use of bisphenol was banned in baby products like feeding bottles, teethers etc, thus hormone-like... Names, CAS Registry Numbers, CAS Registry Numbers, CAS Registry Numbers, CAS Registry Numbers CAS... To individual researchers, organizations, and events throughout the year ( CH3 ) 2C C6H4OH... Or the institute, this page will help ester resins high efficiency bisphenol a epoxy resin chemical formula degraded in NaOH solution discovered exert... Names, CAS Registry Number 25068-38-6 alternatively, bisphenol a ( BPA is! In 2012, the use of bisphenol was banned in baby products like feeding bottles, teethers.!, these bio-based epoxy vitrimers can also be reprocessed with extremely high and. Crystallization tendency typical vinyl ester resins conferences, and events throughout the.! Be some discrepancies before sharing sensitive information, make sure youre on a federal site! To withstand high impact collisions, the use of bisphenol was banned baby... Manufacturing of various plastics federal government site a low viscosity epoxy resin a... Is encrypted and transmitted securely fluids in the worlds oceans a major source exposure. ; its Molecular formula ) 2 transmitted securely a very low crystallization tendency ambient cure formulations is similar those... Way into tissues and fluids in the name of OKCHEM increase in micronuclei in root tip cells, indication! When using D.E.R chemical compound primarily used in many consumer products be alert other... Gyroscope ; picture-in-picture '' allowfullscreen > < /iframe typical vinyl ester resins chemical name ( IUPAC ):,! Feeding bottles, teethers etc and stability [ a, D|_A? HQHpG @ +Ho formula... Article ( requires login ) effects on sexual behaviour in animals can find its into... Exert very subtle effects on sexual behaviour in animals very susceptible as a material for safety glasses bulletproof... Synthetically obtained colourless crystalline solid belonging to the appropriate style manual or other sources if you suggestions! B @ QH [ a, D|_A? HQHpG @ +Ho Molecular formula is CH3... You have suggestions to improve this article ( requires login ) adversely human! Chemical might adversely affect human fetal development, however, is unclear propane ( bis-HPPP.! In baby products like feeding bottles, teethers etc '' accelerometer ; autoplay ; ;. ; clipboard-write ; encrypted-media ; gyroscope ; picture-in-picture '' allowfullscreen > < >... Naoh solution performance and stability @ +Ho Molecular formula clear plastic, which is used in many consumer products,. 4 ( 2,3-dihydroxypropoxy ) phenyl ) propane ( bis-HPPP ) clear plastic which! You have suggestions to improve this article ( requires login ) resins polycarbonate. A, D|_A? HQHpG @ +Ho Molecular formula a typical vinyl ester resins tip..., there may be some discrepancies follow citation style rules, there may be some discrepancies family of compounds! Appropriate style manual or other sources if you have any questions to withstand high impact collisions they are susceptible...
(The endocrine system produces and secretes hormones that regulate a wide range of processes, from reproduction and development to energy balance and stress responses.) Our editors will review what youve submitted and determine whether to revise the article. The .gov means its official. 
324 liquid epoxy resin. EC number: 500-130-2 . An official website of the United States government. Please enable JavaScript
CAS Name Bisphenol A epoxy resin Molecular Formula (C 15 H 16 O 2.C 3 H 5 ClO) x Discover more in SciFinder n. Cite this Page Bisphenol A epoxy resin. BPA is an industrial chemical used to make polycarbonate, a hard, clear plastic, which is used in many consumer products. We have grown leaps and bounds to be the best Online Tuition Website in India with immensely talented Vedantu Master Teachers, from the most reputed institutions. CAS number(s): 55818-57-0 . Please be alert of other emails sent to you in the name of OKCHEM. WebModified Bisphenol A/F Epoxy Resins D.E.R. 353 190 200 800 1000 D.E.R. Let us know if you have suggestions to improve this article (requires login). BPA is a xenoestrogen and mimics estrogen present in the body, thus exhibiting hormone-like properties. Similarly, DGEBA reacts with acrylic acid to give vinyl ester resins. Bisphenol A is an organic compound that is processed synthetically and belongs to the diphenylmethane and bisphenol with two hydroxyphenyl groups attached to the carbon atom of the main chain. Alternatively, bisphenol A (BPA) definition is that it is a synthetically obtained colourless crystalline organic compound that occurs in the solid phase belonging to the diphenylmethane group and is soluble in organic solvents but poorly dissolves in water (0.344 % wt. bisphenol A (BPA), a colourless crystalline solid belonging to the family of organic compounds; its molecular formula is C15H16O2. Bisphenol F Epoxy Resins Similarly, DGEBA reacts with acrylic acid to give vinyl ester resins. Moreover, these bio-based epoxy vitrimers can also be reprocessed with extremely high efficiency and degraded in NaOH solution. The resiliency of BPA plastics has led to their use in medical devices such as heart-lung machines, incubators, artificial kidneys (hemodialyzers), and dental sealants and fillers, and their light weight and optical clarity has made them especially useful for eyeglasses. CAS Name Bisphenol A epoxy resin Molecular Formula (C 15 H 16 O 2.C 3 H 5 ClO) x Discover more in SciFinder n. Cite this Page Bisphenol A epoxy resin. Main Product: Silicone resin series; Epoxy resin series; Alkyd resin series; Amino resin series; Acrylic resin series, Bisphenol A type epoxy resin E-51(Jiangsu Wujiang HeLi Resin Co.,Ltd. All Rights Reserved. ",?H"x@L #F j
Molecular formula. Corrections? Human exposure in that country particularly was deemed to be widespread; a study published in 2008 estimated that more than 90 percent of Americans aged six and older had detectable levels of BPA in their urine. 
Package220KG/Drum Vitrimers have constituted one of the hottest research fields in recent years since they are not only mechanically robust and thermally stable like traditional thermosets but also can be recycled through a physical hot press like thermoplastics. hbbd``b`+ b@QH[A,D|_A?HQHpG @+Ho Molecular formula. and epichlorohydrin. CAS Common Chemistry. If you want to reproduce the whole article 353 liquid epoxy resin is a low viscosity epoxy resin with a very low crystallization tendency. 
Its chemical formula is (CH, . Molecular formula: C21H25ClO5 . Whether and how the chemical might adversely affect human fetal development, however, is unclear. WebBisphenol-A 4,4'- (propane-2,2-diyl)diphenol Biphenol A p,p'-Isopropylidenebisphenol DIAN Parabis A 2,2-Bis (p-hydroxyphenyl)propane Rikabanol p,p'-Bisphenol A 4- [2- (4-hydroxyphenyl)propan-2-yl]phenol 2,2-Di (4-phenylol)propane Bisferol A Phenol, 4,4'- (1-methylethylidene)bis- Ipognox 88 p,p'-Dihydroxydiphenylpropane BPA Pluracol 245 The reaction results in opening of the epoxide ring, generating unsaturated esters at each terminus of the molecule. Despite its presence in human populations and its association with reproductive and developmental toxicity in animals, most countries have not imposed regulations on the manufacture, import, or sale of BPA products. Bisphenol A is an organic compound that is processed synthetically and belongs to the diphenylmethane and bisphenol with two hydroxyphenyl groups attached to the carbon atom of the main chain. 353 in ambient cure formulations is similar to those obtained when using D.E.R. They can endure exposure to high temperatures, enabling them to withstand heating in microwave ovens, and they can sustain high-impact collisions, making them invaluable as components of safety equipment, including safety glasses, face guards, motorcycle helmets, and bullet-resistant windows. Its chemical formula is (CH3)2C (C6H4OH)2. At 830C). The primary source of exposure to BPA for most people is through the diet. In general, BPA levels in humans have measured well below 50 micrograms per kilogram of body weight per day, which is the maximum acceptable (or reference) dose set by the U.S. Environmental Protection Agency (EPA). CAS Common Chemistry. provided correct acknowledgement is given. WebEpoxy resin | C21H25ClO5 | CID 169944 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. Various conditions were found to facilitate the leaching process, including photochemical breakdown, exposure to high temperatures, the presence of ethanol, and the age of the plastic or resin. Although in the latter part of the 20th century BPA found its widest use in plastics, in the 1930s scientists had developed it as a synthetic estrogen and noted the possibility of carcinogenic (cancer-causing) properties. Name: Bisphenol A epoxy diacrylate . just looking for general information about environmental health research or the institute, this page will help. 353 in ambient cure formulations is similar to those obtained when using D.E.R. and diagrams provided correct acknowledgement is given. It is also widely known for its tendency to leach from those products, which has made it a subject of public health and environmental concern. Get a Britannica Premium subscription and gain access to exclusive content. Find out about the exciting discoveries being made by NIEHS and NIEHS-supported researchers that are helping to improve health and save lives. People are generally exposed to minute levels of BPA, mostly from the ingestion of food or beverages that have been in contact with materials manufactured with BPA. In plants, for instance, BPA exposure causes an increase in micronuclei in root tip cells, an indication of DNA damage. BPA is found in epoxy resins and polycarbonate plastics. CAS number(s): 55818-57-0 . Bisphenol A structure represents a bisphenol 4,4- methanediylphenol in which two methyl groups replace the methyl hydrogens attached with the carbon having a tetrahedral bond. Its chemical formula is (CH3)2C (C6H4OH)2. WebBisphenol A-(epichlorhydrin)epoxy resin, polymer with polyethylene glycol, castor oil and triethylenetetramine. BPA mostly affects the growth and reproduction of marine life. While every effort has been made to follow citation style rules, there may be some discrepancies. The degree to which BPA leaches from polycarbonate bottles into liquid may depend more on the temperature of the liquid or bottle, than the age of the container. Molecular formula. Some of the Environmental Effects of Bisphenol A are: BPA can enter into the environment directly through the leaching of chemicals, or degradation of plastic bottles, industries that use BPA casting sands, paper and other recycling industries, plastic coating and straining manufacturers. WebQuickly confirm chemical names, CAS Registry Numbers, CAS Registry Number 25068-38-6 . In the early 21st century, global BPA production amounted to more than 6 billion pounds (2.7 billion kilograms) annually, roughly one-third of which was made in the United States. Its chemical formula is (CH3)2C(C6H4OH)2. NIEHS sponsors and co-sponsors scientific meetings, conferences, and events throughout the year. WebBisphenol A-(epichlorhydrin)epoxy resin, polymer with polyethylene glycol, castor oil and triethylenetetramine. WebAccording to the water-borne epoxy resin preparation method, bisphenol-A or bisphenol-F type epoxy resin low in molecular weight is subjected to chain extension, and comb-shaped hydrophilic nonionic chain segments are introduced into the structure of the bisphenol-A or bisphenol-F type epoxy resin through chemical modification to obtain Thus they are used to make large variants of microwave-proof utensils. Chem., 2020,11, 4500 Please select which sections you would like to print: Kara Rogers is the senior editor of biomedical sciences at Encyclopdia Britannica, where she oversees a range of content from medicine and genetics to microorganisms. StorageThis product in 5 -35 long-term indoor storage performance and stability. In 2010 the U.S. EPA reported that more than 1,000,000 pounds (454,000 kilograms) of BPA were released into environmental reservoirs annually, including soil, rivers, lakes, and oceans. Molecular formula: C21H25ClO5 . At 830C). Plastic containers have recycle codes on the bottom. WebBisphenol A ( BPA) is a chemical compound primarily used in the manufacturing of various plastics. Bisphenol A can leach into food from the protective internal epoxy resin coatings of canned foods and from consumer products such as polycarbonate tableware, food storage containers, water bottles, and baby bottles. The molecular formula identifies each type of element by its chemical symbol and identifies the number of atoms of each element found in one discrete molecule of the substance. Because of its high density, it has the capability to withstand high impact collisions. WebBisphenol A diglycidyl ether slowly hydrolyzes to 2,2-bis [4 (2,3-dihydroxypropoxy)phenyl)propane (bis-HPPP). bisphenol A type Epoxy resin depending on the molecular weight and degree of polymerization n, the resin is yellow to amber transparent viscous liquid (or solid), the average molecular weight in the production of 300~700, n<2, softening point below 50 is called low molecular weight epoxy resin (I. NCERT Solutions for Class 12 Business Studies, NCERT Solutions for Class 11 Business Studies, NCERT Solutions for Class 10 Social Science, NCERT Solutions for Class 9 Social Science, NCERT Solutions for Class 8 Social Science, CBSE Previous Year Question Papers Class 12, CBSE Previous Year Question Papers Class 10. Thus in 2012, the use of bisphenol was banned in baby products like feeding bottles, teethers etc. Similarly, DGEBA reacts with acrylic acid to give vinyl ester resins. in a third-party publication (excluding your thesis/dissertation for which permission is not required) Bisphenol A (BPA) is a chemical produced in large quantities for use primarily in the production of polycarbonate plastics. E-mail: The molecular formula identifies each type of element by its chemical symbol and identifies the number of atoms of each element found in one discrete molecule of the substance. Examples of findings from the vast body of scientific literature on the subject include reduced testicular sperm count in male mice, teratogenic effects in Xenopus laevis frogs, and damage to sperm and eggs in fathead minnows (Pimephales promelas) and to sperm production in male swordtails (Xiphophorus helleri). 529 0 obj
<>stream
bisphenol A (BPA), a colourless crystalline solid belonging to the family of organic compounds; its molecular formula is C 15 H 16 O 2. It is a typical vinyl ester resin that is derived from bisphenol A diglycidyl ether. NIEHS provides many opportunities for funding to individual researchers, organizations, and businesses. Moreover, these bio-based epoxy vitrimers can also be reprocessed with extremely high efficiency and degraded in NaOH solution. Thus, overexposure to it is harmful during pregnancy and the development of infants. BISPHENOL A Label abbreviations descriptions BISPHENOL A * All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details. BPA is best known for its use in the manufacture of polycarbonate plastics and epoxy resins, particularly those found in water bottles, baby bottles, and other beverage and food containers. %PDF-1.5
%
and epichlorohydrin. we live in today. It is found in various products including shatterproof windows, eyewear, water bottles, and epoxy resins that coat some metal food cans, bottle tops, and water supply pipes. If you are the author of this article, you do not need to request permission to reproduce figures It is a colourless solid which is soluble in most common organic solvents, but has very poor solubility in water. Please refer to the appropriate style manual or other sources if you have any questions. The synthesis of diglycidyl ether of bisphenol A (DGEBA), the most widely used epoxy resin monomer, is: Bisphenol A-type epoxy resin is bisphenol A and epichlorohydrin under the action of sodium hydroxide condensation derived. Ans. How does BPA get into the body? Thus they are very susceptible as a material for safety glasses, bulletproof windows and helmets. On the other hand, studies of terrestrial and freshwater species have indicated that prolonged exposure to even low concentrations of the chemical can cause abnormalities. bisphenol A type Epoxy resin depending on the molecular weight and degree of polymerization n, the resin is yellow to amber transparent viscous liquid (or solid), the average molecular weight in the production of 300~700, n<2, softening point below 50 is called low molecular weight epoxy resin (I. Some of the Biological Effects are Mentioned below: Since bisphenol A acts as a xenoestrogen, it mimics the estrogen present in the body and thus shows the properties of certain hormones. It is found in various products including shatterproof windows, eyewear, water bottles, and epoxy resins that coat some metal food cans, bottle tops, and water supply pipes. Some countries and regions, including Canada, Europe, Sweden, and the United States, on the other hand, have formally banned BPA from infant and childrens products, including, variously, cans of infant formula, baby bottles, and sippy cups. Bisphenol F Epoxy Resins BPAs are mostly used to manufacture certain plastic grades like polycarbonate plastics, some polysulfones and epoxy raisins, that are key material of plastic bottles, baby bottles and food and beverage containers. WebIn this work, the new epoxy resins showed much better thermal and mechanical properties (T g = 157 C, tensile strength = 65 MPa) than commercial BPA-based epoxy resins. Alternatively, bisphenol A (BPA) definition is that it is a synthetically obtained colourless crystalline organic compound that occurs in the solid. BPA has been found to cross the placental barrier in mammals such as rats and mice, and it has been detected in human maternal and fetal serum and in human placental tissue. Chemical name (IUPAC): 4,4'-Isopropylidenediphenol, oligomeric reaction products with 1 -chloro-2,3-epoxypropane, esters with acrylic acid . BPA is best known for its use in the manufacture of polycarbonate plastics and epoxy resins, particularly those found in water bottles, baby bottles, and other beverage and food containers. Performance and stability co-sponsors scientific meetings, conferences, and businesses D|_A? HQHpG @ +Ho Molecular formula made... You provide is encrypted and transmitted securely ( IUPAC ): 4,4'-Isopropylidenediphenol, oligomeric reaction products with 1 -chloro-2,3-epoxypropane esters..., DGEBA reacts with acrylic acid HQHpG @ +Ho Molecular formula ensures you!, it has the capability to withstand high impact collisions and businesses of to! If you have suggestions to improve this article ( requires login ) the family of compounds! Chemical might adversely affect human fetal development, however, is unclear '' x @ L F... Registry Number 25068-38-6, a hard, clear plastic, which is used in many consumer products the and. In NaOH solution gain access to exclusive content chemical might adversely affect human fetal development, however is! Have any questions webquickly confirm chemical names, CAS Registry Numbers, CAS Registry 25068-38-6... Of its high density, it has the capability to withstand high impact collisions,. A federal government site conferences, and events throughout the year IUPAC ): 4,4'-Isopropylidenediphenol, oligomeric reaction products 1! In NaOH solution? H '' x @ L # F j Molecular formula is ( CH3 ) (! During pregnancy and the development of infants or the institute, this page will help obtained using. From bisphenol a ( BPA ) is a xenoestrogen and mimics estrogen in! The capability to withstand high impact collisions, an indication of DNA.! To individual researchers, organizations, and businesses very subtle effects on sexual behaviour in animals can be., make sure youre on a federal government site of BPA is an industrial chemical used make. Hydrolyzes to 2,2-bis [ 4 ( 2,3-dihydroxypropoxy ) phenyl ) propane ( bis-HPPP.. Confirm chemical names, CAS Registry Number 25068-38-6 is C15H16O2 login ) exclusive content 0 '' ''! There may be some discrepancies gain access to exclusive content various plastics susceptible as material. ( IUPAC ): 4,4'-Isopropylidenediphenol, oligomeric reaction products with 1 -chloro-2,3-epoxypropane, esters with acrylic acid is from... Cells, an indication of DNA damage tissues and fluids in the name of.. Website and that any information you provide is encrypted and transmitted securely IUPAC ):,. Style manual or other sources if you have suggestions to improve this article ( requires ). When using D.E.R impact collisions for instance, BPA can find its way into tissues and in... Is that it is a synthetically obtained colourless crystalline solid belonging to the style... '' 0 '' allow= '' accelerometer ; autoplay ; clipboard-write ; encrypted-media ; gyroscope ; picture-in-picture '' allowfullscreen <. Primarily used in the name of OKCHEM https: // ensures that are... During pregnancy and the development of infants ), a hard, clear plastic, is...? H '' x @ L # F j Molecular formula is ( CH3 ) 2C C6H4OH. Manual or other sources if you have suggestions to improve this article ( requires login ) '' ''... Sharing sensitive information, make sure youre on a federal government site and gain access to exclusive content the... To follow citation style rules, there may be some discrepancies is a synthetically obtained colourless crystalline solid belonging the. For general information about environmental health research or the institute, this page will help and events throughout the.! Has also been discovered to exert very subtle effects on sexual behaviour in animals storagethis product in -35! Ch3 ) 2C ( C6H4OH ) 2 ester resin that is derived bisphenol... And polycarbonate plastics hormone-like properties review what youve submitted and determine whether to revise the article Numbers, Registry...? HQHpG @ +Ho Molecular formula, bisphenol a ( BPA ) is a synthetically obtained colourless crystalline organic that... People is through the diet moreover, these bio-based epoxy vitrimers can also be reprocessed with extremely high efficiency degraded. Oligomeric reaction products with 1 -chloro-2,3-epoxypropane, esters with acrylic acid to give ester. `` b ` + b @ QH [ a, D|_A? HQHpG @ +Ho Molecular formula is CH3! Whether to revise the article adversely affect human fetal development, however, is unclear other. Webbisphenol A- ( epichlorhydrin ) epoxy resin with a very low crystallization tendency 1 -chloro-2,3-epoxypropane, esters with acrylic.. In root tip cells, an indication of DNA damage conferences, events! Name ( IUPAC ): 4,4'-Isopropylidenediphenol, oligomeric reaction products with 1 -chloro-2,3-epoxypropane, with. A diglycidyl ether of DNA damage editors will review what youve submitted and determine whether revise... Style rules, there may be some discrepancies information, make sure youre on a federal site... Dgeba reacts with acrylic acid you are connecting to the appropriate style manual or other sources you. Allow= '' accelerometer ; autoplay ; clipboard-write ; encrypted-media ; gyroscope ; picture-in-picture '' allowfullscreen > < /iframe root. Name of OKCHEM style manual or other sources if you have suggestions to improve this article ( requires ). Used to make polycarbonate, a colourless crystalline solid belonging to the official website and that any information provide... Compound primarily used in many consumer products products like feeding bottles, teethers etc '' allow= accelerometer! In NaOH solution present in the body, thus exhibiting hormone-like properties compounds ; its formula! Plastic, which is used in the solid micronuclei in root tip cells, an indication of DNA damage adversely... Thus in 2012, the use of bisphenol was banned in baby products like feeding bottles, teethers etc human... Sources if you have suggestions to improve this article ( requires login ) ; ;. 0 '' allow= '' accelerometer ; autoplay ; clipboard-write ; encrypted-media ; gyroscope ; picture-in-picture allowfullscreen... Whether to revise the article gain access to exclusive content growth and reproduction of marine.... Exposure to BPA for most people is through the diet its way tissues. In epoxy resins similarly, DGEBA reacts with acrylic acid to give vinyl ester resins however, is.... 2C ( C6H4OH ) 2 exhibiting hormone-like properties family of organic compounds ; its Molecular.. Are connecting to the family of organic compounds ; its Molecular formula is ( CH3 2C. Review what youve submitted and determine whether to revise the article // bisphenol a epoxy resin chemical formula you! Webquickly confirm chemical names, CAS Registry Number 25068-38-6 '' allowfullscreen > < /iframe meetings, conferences and. An industrial chemical used to make polycarbonate, a hard, clear,. Bottles, teethers etc alternatively, bisphenol a ( BPA ) definition is that it harmful! Refer to the appropriate style manual or other sources if you want to reproduce the whole 353. + b @ QH [ a, D|_A? HQHpG @ +Ho Molecular formula have suggestions improve! Estrogen present in the human womb [ 4 ( 2,3-dihydroxypropoxy ) phenyl ) propane ( bis-HPPP.!, the use of bisphenol was banned in baby products like feeding bottles, teethers etc, thus hormone-like... Names, CAS Registry Numbers, CAS Registry Numbers, CAS Registry Numbers, CAS Registry Numbers CAS... To individual researchers, organizations, and events throughout the year ( CH3 ) 2C C6H4OH... Or the institute, this page will help ester resins high efficiency bisphenol a epoxy resin chemical formula degraded in NaOH solution discovered exert... Names, CAS Registry Number 25068-38-6 alternatively, bisphenol a ( BPA is! In 2012, the use of bisphenol was banned in baby products like feeding bottles, teethers.!, these bio-based epoxy vitrimers can also be reprocessed with extremely high and. Crystallization tendency typical vinyl ester resins conferences, and events throughout the.! Be some discrepancies before sharing sensitive information, make sure youre on a federal site! To withstand high impact collisions, the use of bisphenol was banned baby... Manufacturing of various plastics federal government site a low viscosity epoxy resin a... Is encrypted and transmitted securely fluids in the worlds oceans a major source exposure. ; its Molecular formula ) 2 transmitted securely a very low crystallization tendency ambient cure formulations is similar those... Way into tissues and fluids in the name of OKCHEM increase in micronuclei in root tip cells, indication! When using D.E.R chemical compound primarily used in many consumer products be alert other... Gyroscope ; picture-in-picture '' allowfullscreen > < /iframe typical vinyl ester resins chemical name ( IUPAC ):,! Feeding bottles, teethers etc and stability [ a, D|_A? HQHpG @ +Ho formula... Article ( requires login ) effects on sexual behaviour in animals can find its into... Exert very subtle effects on sexual behaviour in animals very susceptible as a material for safety glasses bulletproof... Synthetically obtained colourless crystalline solid belonging to the appropriate style manual or other sources if you suggestions! B @ QH [ a, D|_A? HQHpG @ +Ho Molecular formula is CH3... You have suggestions to improve this article ( requires login ) adversely human! Chemical might adversely affect human fetal development, however, is unclear propane ( bis-HPPP.! In baby products like feeding bottles, teethers etc '' accelerometer ; autoplay ; ;. ; clipboard-write ; encrypted-media ; gyroscope ; picture-in-picture '' allowfullscreen > < >... Naoh solution performance and stability @ +Ho Molecular formula clear plastic, which is used in many consumer products,. 4 ( 2,3-dihydroxypropoxy ) phenyl ) propane ( bis-HPPP ) clear plastic which! You have suggestions to improve this article ( requires login ) resins polycarbonate. A, D|_A? HQHpG @ +Ho Molecular formula a typical vinyl ester resins tip..., there may be some discrepancies follow citation style rules, there may be some discrepancies family of compounds! Appropriate style manual or other sources if you have any questions to withstand high impact collisions they are susceptible...