In 1995, global production of maleic anhydride was estimated at 1.8 billion pounds, with an estimated value of $700 … Maleic anhydride is a chemical substance with the chemical formula C 4 H 2 O 3 that is cyclic dicarboxylic in nature and obtained via the removal of all water molecules from its structure. NACRES NA.23 Maleic anhydride Revision Date 08-Aug-2019 Eye Contact Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Production of Maleic Anhydride Background Maleic anhydride is a versatile chemical intermediate used to make unsaturated polyester resins, lube oil additives, alkyd resins, and a variety of other products. Maleic anhydride (1.7 million tons per year, world installed capacity in 2010) finds its major use in the synthesis of unsaturated polyester resins (~ 39%), with the remainder going to produce butanediol (14%), maleic copolymers (8%), tetrahydrofuran (7%), fumaric and malic acids, lube additives, and other materials … The result is a polymer with an alternating-block structure, in which… Read More Maleic anhydride CASRN 108-31-6 | DTXSID7024166. Molecular Weight 98.06 . The Diels‐Alder reaction is favored by the presence of electron‐withdrawing groups on the diene and electron‐releasing groups on the dienophile, which is a group or bond that is attracted to a diene. Skin Contact Wash off immediately with soap and plenty of water while removing all contaminated clothes … A typical example is the reaction of 1,3‐butadiene with maleic anhydride. There doesn’t exist ‘A’ maleic acid and ‘A’ maleic anhydride, as if … In styrene-maleic anhydride copolymer. Maleic anhydride is a white solid obtained by the oxidation of benzene or butane. The following 3 pages use this file: File:Maleic anhydride.png; These two monomers can be mixed in a bulk process and induced to polymerize under the action of free-radical initiators. Butenedioic anhydride, cis-Maleic acid anhydride; Maleic anhydride; Toxilic anhydride; cis-Butenedioic anhydride; more synonyms. If you know some or more than some chemistry, you know the difference. IRIS Summary (PDF) (8 pp, 91 K) Key IRIS Values; Other EPA Information; ... Chemical Structure for Maleic anhydride. A versatile compound, maleic anhydride is an organic chemical classified as the acid anhydride of maleic acid. Beilstein/REAXYS Number 106909 . *Author = Su-no-G *Source = Selfmade. The microstructure of maleic anhydride (MA) grafted polyethylene (PE), MA-g-PE, has been successfully characterized by high-resolution NMR and FT-IR spectroscopy. Other names: 2,5-Furandione; cis-Butenedioic anhydride; Dihydro-2,5-dioxofuran; Maleic acid anhydride; Toxilic anhydride; Maleic anhydride, briquettes; Anhydrid kyseliny maleinove; Maleinanhydrid; Rcra waste number U147; UN 2215; 2,5-Furanedione; … . File usage on Commons. Synonyms. Immediate medical attention is required. If you don’t, why do you care? Keep eye wide open while rinsing. You cannot overwrite this file. Maleic anhydride powder, 95% Synonym: 2,5-Furandione CAS Number 108-31-6. PubChem Substance ID 24897084. The carbonyl asymmetric and symmetric stretchings of MA-g-PE exhibit lower shifts with an increase in the grafting degree of MA, suggesting … Empirical Formula (Hill Notation) C 4 H 2 O 3. Maleic anhydride is generally a very reactive chemical intermediate that is used in almost every field of industrial chemistry. Weird question! *Date = 18 Jan 2007. The 3d structure may be viewed using Java or Javascript. EC Number 203-571-6. Anyway . *Made with ChemDraw. 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