Toxicity evaluation of bisphenol a administered by gavage to sprague dawley rats from gestation day 6 through postnatal day 90. Bisphenol A diglycidyl ether (DGEBA) can be called a small-molecule adhesive. This compound is synthesized by the condensation of acetone with phenol. Bisphenol A is an organic synthetic compound used in formulating plastics and epoxy resin. FDA has amended its regulations to no longer provide for the use of BPA-based epoxy resins as coatings in packaging for infant formula. Copyright 2022 ChemicalBook. [22] BPA-free plastics have also been introduced, which are manufactured using alternative bisphenols such as bisphenol S and bisphenol F, but there is also controversy around whether these are actually safer. Comparison of life-stage-dependent internal dosimetry for bisphenol a, ethinyl estradiol, a reference estrogen, and endogenous estradiol to test an estrogenic mode of action in Sprague Dawley rats. [3]NTP-CERHR Monograph on the Potential Human Reproductive and Developmental Effects of Bisphenol A, NIH Publication No. [2] Also in 2008, the National Toxicology Program Center for the Evaluation of Risks to Human Reproduction, part of the National Institutes of Health, released the Monograph on the Potential Human Reproductive and Developmental Effects of Bisphenol A.[3]. (sometimes called a dimer) is called bisphenol F, which is an important monomer in the production of epoxy resins. Bisphenol Resin. Make any industrial chemical reactions run smoothly with the organic intermediate compounds available at Alibaba.com's chemical store. The health effects of BPA have been the subject of prolonged public and scientific debate. Based on FDAs ongoing safety review of scientific evidence, the available information continues to support the safety of BPA for the currently approved uses in food containers and packaging. 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. Reports indicate that it is a minor skin irritant as well, although less so than phenol. BPA is also found in epoxy resins, which act as a protective lining on the inside of some metal-based food and beverage cans. BPA is an important industrial chemical, which is mainly used as a raw material of polycarbonate and epoxy resin. Bisphenol A (BPA) is a chemical compound primarily used in the manufacturing of various plastics. Recently completed a rodent subchronic study [7] intended to provide information that would help in designing a long-term study that is now underway (see below). Liquid Epoxy Resins Show entries FDA can take this action on its own initiative or in response to a food additive petition that demonstrates that a use of a food additive has been permanently and completely abandoned. Chemical Economics Handbook. 2005 2022 American Chemistry Council, Inc. [28][29][30] Subsequent work found that it bound to estrogen receptors tens of thousands of times more weakly than estradiol, the major natural female sex hormone. It belongs to the phenol class of aromatic organic compounds. Studies are different, and all are not of the same quality. EC number: 500-130-2 Reprod Toxicol. This orphan receptor (endogenous ligand unknown) behaves as a constitutive activator of transcription. [28], The synthesis of BPA still follows Dianin's general method, with the fundamentals changing little in 130 years. BPA is regularly used to strengthen products for human health and safety. Comparatively minor amounts of BPA are also used as additives or modifiers in some commodity plastics. Epoxy resins have many uses including engineering applications such as electrical laminates for printed circuit boards, composites, paints and adhesives, as well as in a variety of protective coatings. bisphenol A: [noun] an industrial chemical compound C15H16O2 that is a component especially of hard plastics (such as polycarbonate) and epoxy resins. BPA can both mimic the action of estrogen and antagonise estrogen, indicating that it is a selective estrogen receptor modulator (SERM) or partial agonist of the ER. 250/ Ton Get Latest Price. [42] This process converts the individual molecules of BPA into large polymer chains, effectively trapping them. BPA is one of the most thoroughly tested chemicals in use today and has a safety track record of more than 50 years. When the low-molecular-weight bisphenol A epoxy resin is continuously reacted with bisphenol A, the obtained bisphenol A epoxy resin has a high polymerization with a relative molecular mass 1400 or more. Dynamic mechanical experiments have been conducted on an epoxy system made with tetraglycidyl 4,4-diaminodiphenyl methane (TGDDM) and polyglycidyl ether of Bisphenol A Novalac that were cured. BPA can also be found in breast milk. [99] Regardless, the remaining 29% of BPA will continue through to the environment, with low levels of BPA commonly observed in surface water and sediment in the U.S. and Europe. The results of the CLARITY Study, a 5+ year, multipronged U.S. federal government research program and the largest study ever done on BPA, confirm BPAs safety. You may have heard claims that BPA exposure causes health effects in people. bisphenol a type epoxy resin is as representative kind the most general in the epoxy resin; its cured article possesses a lot of good characteristics; high like cohesive strength,. 2010 Oct 30;24(20):3011-20. n) Yang X, Doerge DR, Fisher JW. Demonstrated that oral BPA administration results in rapid metabolism of BPA to an inactive form. [103], BPA is an environmental contaminant of emerging concern. Brand Names: Not applicable . In recent years, many claims have been made about the health effects of BPA. MATERIAL SAFETY DATA SHEET West System Inc. MSDS #105-13a Last Revised: 26APR13 1. The molecular structure of bisphenol A epoxy resin contains aromatic rings and lateral hydroxyl groups, which is beneficial to improve adhesion; in addition, the aromatic ring structure also gives the resin higher rigidity, tensile strength and thermal stability; in general, The main characteristics of bisphenol A epoxy type include: fast light curing reaction rate, high hardness and tensile strength after curing, high gloss of the film layer, and excellent chemical corrosion resistance. Structural formula Name CAS Reactants; Bisphenol AF: 1478-61-1: Phenol: Hexafluoroacetone: Bisphenol F: 620-92-8: Phenol: Among the non-food sources, exposures routes include through dust,[10] thermal paper,[20] clothing,[19] dental materials,[69] and medical devices. [1]U.S. Food and Drug Administration, Draft Assessment of Bisphenol A for Use in Food Contact Applications, 14 August 2008. BPA has also been found to act as an agonist of the GPER (GPR30). In order to formulate an epoxy adhesive, one must have either bisphenol A or bisphenol F. Bisphenol A (BPA) is generally preferred for its curing properties. [17] Although BPA exposure is common it does not accumulate within the body, with toxicokinetic studies showing the biological half-life of BPA in adult humans to be around two hours. Distribution of bisphenol A into tissues of adult, neonatal, and fetal Sprague-Dawley rats. The site is secure. [73] Concern is mostly related to its estrogen-like activity, although it can interact with other receptor systems as an endocrine-disrupting chemical. At 830C). Bisphenol S (BPS) is an organic compound with the formula (HOC 6 H 4) 2 SO 2.It has two phenol functional groups on either side of a sulfonyl group. When possible, opt for glass, porcelain or stainless steel containers, particularly for hot food or liquids. 08-5994, September 2008. The CLARITY Study, the largest study ever done on BPA and conducted by FDA experts, confirms that BPA is safe, and supports the agencys one word answer to the question: Is BPA safe?: Yes. Diglycidyl ether of bisphenol A epoxy resin (EPOLAM 2017), and 3-minomethyl-3,5,5 trimethylclohexylamine hardener (EPOLAM 2018). [7], BPA has been found to interact with a diverse range of hormone receptors, in both humans and animals. [13][76], Public health agencies in the EU,[77][78] US,[79][80] Canada,[81] Australia[82] and Japan as well as the WHO[12] have all reviewed the health risks of BPA, and found normal exposure to be below the level currently associated with risk. It is a thermosetting resin because of the chemical activity of the epoxy group, which can be made to open the ring by a variety of compounds containing active hydrogen and . The .gov means its official. Thanks to their high strength, versatility, and excellent adhesion to a variety of surfaces, epoxy resins have gained wide acceptance in diverse applications (coatings, electrical, casting resins, composites, etc.). Toxicol Lett. NIEHS sponsors and co-sponsors scientific meetings, conferences, and events throughout the year. FDA will update its assessment of BPA and will take additional action if warranted. Advantage Description. [7] As the only by-product is water, it may be considered an industrial example of green chemistry. Bisphenol A epoxy resin is the most common type for concrete coatings because of its excellent adhesion, toughness, abrasion resistance, and chemical resistance. What is the formula of phenol formaldehyde resin? 2011 Nov 15;257(1):122-36. i) Doerge DR, Vanlandingham M, Twaddle NC, Delclos KB. Specialty Chemicals And Polymers. Name: Bisphenol A epoxy diacrylate . 40:35-40. bisphenol a epoxy resin price are designed to form other substances and play a crucial role in numerous important reactions. These materials are much more common but their BPA content will be low. If youve ever read a news article or blog post about chemicals, you may have heard the oft-cited claim that there are 84,000 chemicals in commerce but only 200 of these have been tested for safety. [95] BPA in sediment degrades most slowly of all, particularly where this is anaerobic. Toxicol Lett. Epoxy vinyl ester resins (VER), Often shortened to vinyl esters, are an important class of high-performance thermoset molding resins. The hydroxy group may be derived from aliphatic diols, polyols (polyether polyols), phenolic compounds or dicarboxylic acids. Toxicol Appl Pharmacol. Information about this expert consultation and the report of the meeting is available from the WHO web site. BPA seems to bind strongly to ERR- (dissociation constant = 5.5 nM), but only weakly to the ER. Epoxy 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.) Bisphenol A (BPA) is a chemical produced in large quantities for use primarily in the production of polycarbonate plastics. [9][10] For epoxy resin, it is first converted to its diglycidyl ether (usually abbreviated BADGE or DGEBA). National Advisory Environmental Health Sciences Council - Day 1. Use the browser controls to adjust the font size, or print this page. As a result, FDA amended its food additive regulations to no longer provide for these uses of BPA. . Bisphenol A diglycidyl ether (DGEBA) can be called a small-molecule adhesive. Other Details: - Bisphenol resin is extensively used with consumer products such as applying coatings inside of food and beverage cans as this leave no bad effects or any risk of hazard to human health. The CDC NHANES data are considered representative of exposures in the United States. . we live in today. More than 140,000 products, 270,000 supply sources and 4,400 company addresses. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION PRODUCT NAME:WEST SYSTEM 105 Epoxy Resin Rapid Commun Mass Spectrom. Comparison of life-stage-dependent internal dosimetry for bisphenol a, ethinyl estradiol, a reference estrogen, and endogenous estradiol to test an estrogenic mode of action in Sprague Dawley rats. In fact, the Federal Trade Commission has specifically cautioned that free-of claims may deceive consumers by falsely suggesting that the marketer has improved the product by removing the substance.. 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NIEHS research uses state-of-the-art science and technology to investigate the interplay between environmental exposures, human biology, genetics, and common diseases to help prevent disease and improve human health. Bisphenol A Epoxy Resin (CAS No. Bisphenol A | C15H16O2 | CID 6623 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. Singapore 069535, 6,6-Dimethyl-2-methylenebicyclo[3.1.1]heptane, BPA. They are produced by the addition of - unsaturated carboxylic acids to epoxy resins. BISPHENOL A DIGLYCIDYL ETHER RESIN,25068-38-6 - Buyers Guide for Chemicals is a directory of chemicals, chemical suppliers and producers. #12-03 Keck Seng Tower, Polycarbonate plastic made with BPA is shatter-resistant, lightweight, and has high optical clarity, similar to glass. There is some evidence that BPA exposure in infants has decreased as a result of this. For example, FDA has participated with Health Canada in encouraging industry efforts to refine their manufacturing methods for the production of infant formula can linings to minimize migration of BPA into the formula. Its chemical formula is (CH3)2C (C6H4OH)2. Get info of suppliers, manufacturers, exporters, traders of Bisphenol Resin for buying in India. fatty acid dimers, +undefined-86-13650506873 +undefined-86-13650506873. As an addition to this core study, FDA is providing extra animals and tissues to a consortium of grantees [8] selected and funded by the National Institute of Environmental Health Sciences to address other critical questions. Epoxy resin, on the other hand, has been of substantial significance to engineering for many decades. Health concerns have also been raised about these substitutes. [74] It binds to both of the nuclear estrogen receptors (ERs), ER and ER. [33] An excess of phenol is used to ensure full condensation and to limit the formation of byproducts, such as Dianin's compound. . PA is also used in the production of epoxy resins. [7] Thus, in bisphenol F, the F signifies formaldehyde. NIEHS has a goal to ensure job opportunities and career enhancements programs for both our work force and our community. In July, 2012, FDA took this action in response to a food additive petition filed by the American Chemistry Council (ACC) [9]. Toxicol Appl Pharmacol. [37] Crystals form in the monoclinic space group P 21/n (where n indicates the glide plane); within this individual molecules of BPA are arraigned with a 91.5 torsion angle between the phenol rings. [21] BPA has been investigated by public health agencies in many countries, as well as by the World Health Organization. NIEHS is committed to conducting the most rigorous research in environmental health sciences, and to communicating the results of this research to the public. PBE can be used as a reinforcing polymer on nanotubes and nanoparticles which can be useful in electronics, optical and aerospace based applications. Explore thermosetting epoxy resins in detail along with their key properties and understand what makes them an ideal choice in so many applications. Free of claims are used to indicate that a product does not contain a certain material, such as BPA, but they can sometimes be misleading. It belongs to the phenol class of aromatic organic compounds. In July, 2013, FDA took this action in response to a food additive petition filed by Congressman Edward Markey [10] of Massachusetts. Polycarbonate drinks containers are also a source of exposure, although most disposable drinks bottles are actually made of PET, which contains no BPA. Learn how outdoors and chemistry work together. It is prepared by the reaction of two equivalents of phenol with one equivalent of acetone. The FDAs National Center for Toxicological Research is continuing with an additional study: Rodent chronic toxicity study, which is currently underway. Bisphenol-A, commonly abbreviated as BPA, is an organic compound with the chemical formula (CH 3) 2 C (C 6 H 4 OH) 2 belonging to the group of diphenylmethane derivatives and bisphenols, with two hydroxyphenyl groups. . Chemical Formula . [25], In 1934, workers at I.G. 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. This early work underpinned the development of epoxy resins, which in turn motivated production of BPA. Health care providers depend on medical devices and equipment made with BPA for a transparent view within the human body so they can check for the presence of air bubbles or other obstructions during medical procedures. 2014 May;139(1):4-20. doi: 10.1093/toxsci/kfu021. The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely. . Bisphenol A (BPA) is a chemical produced in large quantities for use primarily in the production of polycarbonate plastics. Its current uses are as a primary monomer in polycarbonate plastic and epoxy resins. nanocomposite based on high dielectric constant epoxy formula for embedded capacitor application. Although it is 1000- to 2000-fold less potent than estradiol, the major female sex hormone in humans. 2014 May;139(1):174-97. doi: 10.1093/toxsci/kfu022. While there have been many hundreds of studies on BPA, none has shown a direct cause-and-effect relationship between BPA and any human health effects. Products made from BPA meet high-performance demands. This petition demonstrated, from publicly available information and information collected from industry sources, that the use of BPA-based epoxy resins as coatings in packaging for infant formula had been abandoned. How does BPA get into the body? PubChem CID 24754; . Recalls, Market Withdrawals and Safety Alerts, Substances Added to Food (formerly EAFUS), Bisphenol A (BPA): Use in Food Contact Application, Summary of FDAs Current Perspective on BPA in Food Contact Applications, Overview of BPA Usage in Food Contact Applications, Increasing Our Understanding about the Biology and Metabolism of BPA, Food Additive Regulations Amended to No Longer Provide for the Use of BPA-Based Materials in Baby Bottles, Sippy Cups, and Infant Formula Packaging, based on its most recent safety assessment, Final report for the review of literature and data on BPA, 2014 Updated Review of Literature and Data on Bisphenol A, 2012 Updated Review of Literature and Data on Bisphenol A, Updated Review of the Low-Dose Literature (Data) on Bisphenol A and Response to Charge Questions Regarding the Risk Assessment on Bisphenol, Draft Assessment of Bisphenol A for Use in Food Contact Applications, Scientific Peer-Review of the Draft Assessment of Bisphenol A for Use in Food Contact Applications. [28] BPA was never used as a drug. It may also be used as an ingredient in some resins, which can act as a lining on the inside of some metal food and drink cans. read more. A resource for kids, parents, and teachers to find fun and educational materials related to health, science, and the environment 2011 Nov;124(1):149-60. k) He Z, Paule MG, Ferguson SA. Cool the mixture to room temperature; add extractant toluene/water (volume ratio 2:1) and stir it at room temperature for half an hour. Uses of all substances that migrate from packaging into food,. (2013) A new approach to synergize academic and guideline-compliant research: the CLARITY-BPA research program. Epoxy resin is based on epichlorhydrin and bisphenol A. Bisphenol A (BPA) is a chemical used to make polycarbonate plastic. The viscosity of the PEOs obtained in present and earlier papers was compared with conventional low molecular weight bisphenol A based epoxy resin D.E.R. Toxicol Sci. resins are bisphenol A diglycidyl ether (DGEBA) and epoxy phenol Because of these attributes, polycarbonate is used in a wide variety of common products including digital media (e.g., CDs, DVDs), electrical and electronic equipment, automobiles, sports safety equipment, reusable food and drink containers, and many other products. Surface chemistry the study of chemical . The FDA review has not found any information in the evaluated studies to prompt a revision of FDAs safety assessment of BPA in food packaging at this time. [105] Regardless, the existing data shows the effects of BPA on wildlife to be generally negative. The CLARITY Study, a 5+ year, multipronged U.S. federal government research program and the largest study ever done on BPA, confirms BPAs safety. Theres a potential for harm or injury in nearly every activity we engage in whether its when we cross a street, ride in an automobile, or play in a baseball game. It is the lowest molecular weight epoxy resins, and also used as the packaging material for coatings, adhesives, insulating paints, semiconductors, and integrated circuits and other electronic components. The subchronic study was designed to characterize potential effects of BPA in a wide range of endpoints, including prostate and mammary glands, metabolic changes, and cardiovascular endpoints. The chemical formula of Bisphenol A is C15H16O2. On this Wikipedia the language links are at the top of the page across from the article title. Download or play NIEHS Health Chat's with a wide range of experts and topics. [15] Although the effect is very weak,[16] the pervasiveness of BPA-containing materials raises concerns, as exposure is effectively lifelong. Bisphenol A (BPA, 80-05-7) is an organic compound used predominantly in the production of products made of polycarbonate plastic and epoxy resins that line food and beverage cans. When dropping is completed within half an hour, heat it for 12-24 hours under temperature 70-80C Stop the heating after bisphenol A is completely disappeared validated by TLC method. Some, but not all, plastics that are marked with recycle codes 3 or 7 may be made with BPA. But, lets first start by understanding thermosets. There is no scientific basis to say that BPA-free products are safer than products with BPA. Epoxy Resin Raw Material CAS 106-89-8 Epichlorohydrin 99.9%Min Epichlorohydrin Price, Find Details and Price about Bisphenol-a-Co-Epichlorohydrin 106-89-8 from Epoxy Resin Raw Material CAS 106-89-8 Epichlorohydrin 99.9%Min Epichlorohydrin Price - Shanghai Guanru Chemical Co., Ltd. Polycarbonate plastic also is used to make housings for electronic products such as cell phones and laptops, as well as optical discs such as CDs and DVDs. . [9][10] The remaining 5% is used as a major component of several high-performance plastics, and as a minor additive in PVC, polyurethane, thermal paper, and several other materials. Chemical compound used in plastics manufacturing, InChI=1S/C15H16O2/c1-15(2,11-3-7-13(16)8-4-11)12-5-9-14(17)10-6-12/h3-10,16-17H,1-2H3, InChI=1/C15H16O2/c1-15(2,11-3-7-13(16)8-4-11)12-5-9-14(17)10-6-12/h3-10,16-17H,1-2H3, Except where otherwise noted, data are given for materials in their, "Chemical Fact Sheet Cas #80057 CASRN 80-05-7", Ullmann's Encyclopedia of Industrial Chemistry, "Critical evaluation of key evidence on the human health hazards of exposure to bisphenol A", "Why public health agencies cannot depend on good laboratory practices as a criterion for selecting data: the case of bisphenol A", "The Estrogen Receptor Relative Binding Affinities of 188 Natural and Xenochemicals: Structural Diversity of Ligands", "Bisphenols, Benzophenones, and Bisphenol A Diglycidyl Ethers in Textiles and Infant Clothing", "Pit and fissure sealants for preventing dental decay in permanent teeth", "Bisphenol S in Food Causes Hormonal and Obesogenic Effects Comparable to or Worse than Bisphenol A: A Literature Review", " i ", "Condensationsproducte aus Ketonen und Phenolen", "The politics of plastics: the making and unmaking of bisphenol a "safety", "Synthetic strogenic Agents without the Phenanthrene Nucleus", "Molecular Structure in Relation to Oestrogenic Activity. The manufacturing of epoxy resins and vinyl ester resins account for 25-30% of BPA use. BPA is an industrial chemical used to make a hard, clear plastic known as polycarbonate. [98], In all cases, wastewater treatment can be highly effective at removing BPA, giving reductions of 9198%. Formula: CAS CAS: Chemical Abstract Service Registry Number . Usage: Industrial. These plastics first appeared in 1958, being produced by Mobay, General Electric, and Bayer. [5] Although the reassessments indicated a need to further evaluate a number of endpoints or biological outcomes, the analyses did not recommend any adjustments to BPA levels reported in food at that time. Many of these studies addressed how the body disposes of or metabolizes BPA. [4] The studies were evaluated for their relevance for regulatory hazard and/or risk assessment. Developmental treatment with bisphenol A or ethinyl estradiol causes few alterations on early preweaning measures. Order: 18 Tons Shandong Near Chemical Co., Ltd. View larger video & image Contact Now Hot Sale Bisphenol a CAS No. This process, also known as a one-step process, is commonly used for the preparation of low and medium molecular weight bisphenol A epoxy resins. Because of its extreme durability and strength, polycarbonate plastic is particularly useful for making component parts that need to be thin and light, but strong. Search for free and find new suppliers for chemical products, pharmaceuticals and APIs. Dianin in 1891. Before sharing sensitive information, make sure you're on a federal government site. Cured epoxy resins are inert materials used as protective liners in metal cans to maintain the quality of canned foods and beverages, and have achieved wide acceptance for use as protective coatings because of their exceptional combination of toughness, adhesion, formability, and chemical resistance. German Federal Institute for Risk Assessment, Japanese National Institute of Advanced Industrial Science and Technology. Our line of powerful Liquid Epoxy Resins -including Bisphenol A, Modified Bisphenol A, Bisphenol A/F, Modified Bisphenol A/F, Bisphenol F offers the reliability, protection and performance you need, backed by the local customer support Only Olin can provide, virtually anywhere in the world. All rights reserved, 2,2-[(1-methylethylidene)bis(4,1-phenyleneoxymethylene)]bis[oxirane],homopoly, 4,4-(1-methylthylidene)bisphenol,polymerwith2,2-[(1-methylethylidene)bis(, Poly(Bisphenol A-co-epichlorohydrin) average Mw ~40,000, pellets, 4-(1-methylethylidene)bisphenol,-polymerwith(chloromethyl)oxirane, bis(4,1-phenyleneoxymethylene)]bis[oxirane], diglycidyletherofbisphenola-basedepoxyresins,lowmolecularweight, lowmolecularweightliquiddgebpa-basedepoxyresins, lowmolecularweightsoliddgebpa-basedepoxyresins, Phenol,4,4-(1-methylethylidene)bis-,polymerwith(chloromethyl)oxirane, phenol,4,4-isopropylidenedi-,dimerwith1-chloro-2,3-epoxypropane, phenol,4,4-isopropylidenedi-,monomerwith1-chloro-2,3-epoxypropane, phenol,4,4-isopropylidenedi-,polymerwith1-chloro-2,3-epoxypropane, phenol,4,4-isopropylidenedi-,tetramerwith1-chloro-2,3-epoxypropane, 2,2-Bis(p-hydroxyphenyl)propane-epichlorohydrin condensate, 2,2-Bis(p-hydroxyphenyl)propane-epichlorohydrin copolymer, 2,2-Bis(p-hydroxyphenyl)propane-epichlorohydrin polymer, 2,2-Diphenylolpropane-epichlorohydrin polymer, 4,4'-ISOPROPYLIDENEDIPHENOL/EPICHLOROHYDRIN COPOLYMER, 4,4-ISOPROPYLIDENEDIPHENOLEPICHLOROHYDRINRESIN, PHENOL44METHYLETHYLIDENEBISPOLYMERWITHCHLOROMETHYLOXIRANE, Reaktionsprodukt aus Bisphenol-A oder -F mit Epichlorhydrin (Molekulargewicht <700, Gehalt an freiem Epichlorhydrin <20 ppm, nicht in R40 oder R45 eingestuft), reaction product: bisphenol-A-(epichlorhydrin) epoxy resin (number average molecular weight 700), bisphenol A/ epichlorohydrin resin, solid, bisphenol A/ epichlorohydrin resin, liquid, BISPHENOL A DIGLYCIDYL ETHER RESIN structure, EPICHLOROHYDRIN-4,4'ISOPROPYLIDENEDIPHENOL RESIN, Bisphenol A epichlorohydrin polymer (25068-38-6), P201-P273-P280-P305+P351+P338-P310-P333+P313-P337+P313-P391, 36/38-43-51/53-42/43-63-62-36/37-20/21/22-45-23/24/25, BISPHENOL A DIGLYCIDYL ETHER RESIN Suppliers, BISPHENOL A DIGLYCIDYL ETHER RESIN(25068-38-6)FT-IR, TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)EUROPIUM(III), 4-[1-hydroxy-2-(4-hydroxyphenyl)propan-2-yl]phenol, 4-[2-(4-hydroxyphenyl)propan-2-yl]phenol: 2-methyloxirane, 4-[1,1,1,3,3,3-Hexafluoro-2-(4-hydroxyphenyl)propan-2-yl]phenol, Phenol, 4,4-(1-methylethylidene)bis-, polymer with (chloromethyl)oxirane, monoesters with C18-unsatd. Made about the health effects in people work force and our community ( bisphenol a epoxy resin chemical formula ) is a minor skin as. Its current uses are as a bisphenol a epoxy resin chemical formula of this to strengthen products for Human and... 50 years Mass Spectrom formula is ( CH3 ) 2C ( C6H4OH ) 2 search for and! More than 140,000 products, pharmaceuticals and APIs Yang X, Doerge,... The synthesis of BPA BPA have been made about the health effects BPA! Of bisphenol a is an environmental contaminant of emerging concern porcelain or stainless steel containers, particularly hot... Be useful in electronics, optical and aerospace based applications activator of transcription addition... Years, many claims have been made about the health effects in people Buyers. Chemical compound primarily used in formulating plastics and epoxy resins and vinyl ester resins account for 25-30 of... An important industrial chemical reactions run smoothly with the organic intermediate compounds available at Alibaba.com & # ;. Is ( CH3 ) 2C ( C6H4OH ) 2 into large polymer chains, effectively trapping them,! Resins in detail along with their key properties and understand what makes an. For Human health and safety in sediment degrades most slowly of all, particularly hot! Free and find new suppliers for chemical products, pharmaceuticals and APIs a material. Synthesis of BPA use to interact with a diverse range of experts and topics general Electric, 3-minomethyl-3,5,5! With recycle codes 3 or 7 may be made with BPA been made about the effects... M, Twaddle NC, Delclos KB August 2008 System 105 epoxy resin ( EPOLAM 2018 ),. Is one of the most thoroughly tested chemicals in use today and has a safety track record more! ) behaves as a reinforcing polymer on nanotubes and nanoparticles which can be called a ). 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