Sigmaaldrich offers a number of maleic acid products. This regulation establishes an exemption from the requirement of a tolerance for residues of maleic anhydride cas reg. Maleic anhydride 95 100% 108316 get medical attention immediately. Do not use mouthtomouth method if victim ingested or inhaled the substance. It was for work in 1928 on the reaction between maleic anhydride and 1,4butadiene that diels and alder were awarded the nobel prize in 1950.
First aid measures general advice consult a physician. Therefore, on leaking of the product onto iron apparatus and hot piplines heating, the place must be thoroughly cleaned with water. Maleic anhydride may cause a skin allergy and an asthmalike allergy. Higher exposures may cause a buildup of fluid in the lungs pulmonary edema, a medical emergency. India veritas house, 70 mint road, fort, mumbai 400 001.
It is a cyclic dicarboxylic anhydride and a member of furans. Chemical properties of maleic acid cas 110167 download as pdf file download as excel file download as 2d mole file predict properties. Occupational exposure limits for chemical substances, occupational health and safety regulation 29697, as amended 07 2007 maleic anhydride inhalable fraction and vapor. The use of maleic anhydride for the reversible blocking of. Solid maleic anhydride can be supplied upon request.
Since it biodegrades in sewage treatment plants and hydrolyzes, its likely that it will degrade in soil. Do not allow victim to rub eyes or keep eyes closed. Central drug house p ltd 728 vardaan house new delhi2 india. Maleic resins coatings ingredients selection specialchem. In rivers, the principal mixing agent is stream turbulence. In 1995, global production of maleic anhydride was estimated at. Maleic anhydride is a white crystalline solid at ambient temperatures, but it is usually sold by lanxess in molten form. The most important known symptoms and effects are described in the labelling andor in section 11. Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. We are also a major supplier of the catalyst used to manufacture maleic anhydride from butane feedstock. Maleic anhydride, technical by bureau of indian standards. Product description and handling guide maleic acid dibutyl. This organic compound has a sharp, irritating odor.
Maleic anhydride hydrolyses rapidly in water at room temperature to maleic acid halflife. Since acetic anhydride is a relatively nonvolatile liquid, direct venting of the vapor to the atmosphere from a hole in a ruptured vessel does not consitiute a significant hazard downwind. Lube oil adhesives synthesized from maleic anhydride are used to prolong oilchange intervals and improve engine efficiency. Maleic anhydride is a cyclic dicarboxylic anhydride that is the cyclic anhydride of maleic acid. Maleic anhydride released into water will hydrolyze rapidly halflife 0. In case of more serious fires, also alcoholresistant foam and water spray. From single crystal xray diffraction data 10, maleic anhydride is a nearly planar molecule with the ring oxygen. Show this safety data sheet to the doctor in attendance. This iris assessment for maleic anhydride consists of hazard identification and doseresponse assessment data and provides support for epa risk management decisions. Safety data sheet northwest missouri state university. Maleic anhydride safety data sheet international diol company safety data sheet according to regulation ec no. Maleic anhydride was shown to react rapidly and specifically with amino groups of proteins and peptides. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Substance any concentration shown as a range is to protect confidentiality or is due to batch variation.
Product description and handling guide maleic acid dibutyl ester dbm page 2 of 4 vapour density air 1 7. Maleic acid material safety data sheet cas no 11016. Material safety data sheet west liberty university. Maleic anhydride is an organic compound with the formula c2h2co2o. Occupational exposure limits, if available, are listed in section 8. Phthalic anhydride revision date 23jan2018 skin contact wash off immediately with plenty of water for at least 15 minutes. Vema an grades are the anhydrous form of the polymer, which can be reacted with water to form the acid form, or reacted with alcohols to form half esters or crosslinked. Styrene maleic anhydride copolymer cas 31959781 msds 1. It is a colorless or white solid with an acrid odor. Most important symptoms and effects, both acute and delayed. Exposure to maleic anhydride can cause headache, dizziness, nausea and vomiting.
Maleic anhydride man is an organic chemical intermediate for the manufacture of numerous products including unsaturated polyester resins upr, man based copolymers, lube oil additives, alkyl succinic anhydrides asa, malic acid, fumaric acid and various agricultural chemicals. Maleic anhydride is thus widely used as a starting material for the production of adhesives, surfactants, insecticides, herbicides, fungicides, and as a crosslinking component for many applications. Maleic anhydride powder, 95% 2,5furandione sigmaaldrich. Material safety data sheet maleic anhydride central. Maleic acid and maleic anhydride may form, mostly with iron, pyrophoric products, which at increased temperature may selfignite. Used in copolymerization reactions, in the dielsalderdienesynthesis, in the preparation of resins, pharmaceuticals and agricultural chemicals. Read online material safety data sheet maleic anhydride central campus book pdf free download link book now. Liquid maleic anhydride is supplied in tank trucks or containers. A combination of these processes should be important. All books are in clear copy here, and all files are secure so dont worry about it. Just to list some of the most popular applications, it is an important raw material for unsaturated polyester resins u.
Never give anything by mouth to an unconscious person. Maleic anhydride is used primarily in the formation of unsaturated polyester resins for use in boats, autos, trucks, buildings, piping, and electrical goods. Maleic anhydride released into the atmosphere is degraded by reaction with ozone and photoquimically produced hydroxyl radicals. 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. Download material safety data sheet maleic anhydride central campus book pdf free download link or read online here in pdf. If inhaled if breathed in, move person into fresh air. Maleic anhydride is the classic dielsalder reagent. It is produced industrially on a large scale for applications in coatings and polymers. Maleic anhydride is a versatile multifunctional chemical intermediate that found applications in nearly every field of industrial chemistry. Chemical product and company identification product name. Huntsman is one of the worlds largest producers of maleic anhydride, a highly versatile intermediate that makes dissimilar chemistries compatible and improves the durability and value of end products.
Material safety data sheet maleic anhydride msds section 1. Used in blown, cast, and coating applications, tie layer for food packaging and pipe coating, adhesive layer in multilayer. Pdf maleic anhydride material safety data sheet raman. Complete substitution of chymotrypsinogen was achieved under mild conditions and the extent of reaction could be readily determined from the spectrum of the maleylprotein.
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