Maleic anhydride test description specification unit test limits of measure method min. It is used to make artificial resins and antihistamines, and to preserve fats and oils. Since it biodegrades in sewage treatment plants and hydrolyzes, its likely that it will degrade in soil. Common name maleic anhydride synonyms 2,5furandione formula c 4 h 2 o 3 cas number 108316 component cas number concentration maleic anhydride 108316. Dibuyl phthalate, acrylic acid, phthalic acid and anhydride. A meta description is an html tag in the html code of your website, which allows you to customize a section of text that describes the page itself. In case of more serious fires, also alcoholresistant foam and water spray. Polynt group produces a great variety of anhydrides, but the most important ones are. Epa has not classified maleic anhydride for carcinogenicity. Only vapor released from a liquid pool spilled on a ground or water surfaces is. If inhaled if breathed in, move person into fresh air.
Maleic anhydride is a cyclic dicarboxylic anhydride that is the cyclic anhydride of maleic acid. 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. Name of substance maleic anhydride identifiers cas no 108316 molecular formula c4h2o3 molar mass 98. Maleic anhydride is used in the production of unsaturated polyester resin as well as in the manufacture of coatings, pharmaceutics, agricultural products, surfactants, and as an additive of plastics. Maleic anhydride 95 100% 108316 get medical attention immediately. Exposure to maleic anhydride can cause headache, dizziness, nausea and vomiting. Substance any concentration shown as a range is to protect confidentiality or is due to batch variation. 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. We are also a major supplier of the catalyst used to manufacture maleic anhydride from butane feedstock. If released to soil, tetrahydrophthalic anhydride is expected to hydrolyze in moist soils. Maleic anhydride casno 108316 material safety data sheet sdsmsds.
Maleic acid hazard summary workplace exposure limits maleic acid. Technobell has several types of technologies for recovery of maleic anhydride from process gases coming out from oxidation section of the plant. Safety data sheet northwest missouri state university. Your new online msds binder is a place for you to store the material safety data sheets you need to deploy. Maleic anhydride 100 108316 ingredient name % cas number there are no additional ingredients present which, within the current knowledge of the supplier and in the concentrations applicable, are classified as hazardous to health or the environment and hence require reporting in this section.
Maleic anhydride series products are essential to the production of a multitude of resins and plastics, agricultural and industrial chemicals, petroleum additives, paper sizing, water treatment chemicals, epoxy curing agents, artificial. Identification of the substance maleic anhydride cas number 108316 1. Phthalic anhydrides, maleic anhydride, trimellitic anhydride. Identification maleic acid is a colorless crystalline sugar or sandlike material with a faint acid odor. Maleic anhydride is a versatile multifunctional chemical intermediate that found applications in nearly every field of industrial chemistry. Maleic anhydride 72 has been used extensively in the textiles and fibers industry. Production of maleic anhydride chemical engineering. Therefore, on leaking of the product onto iron apparatus and hot piplines heating, the place must be thoroughly cleaned with water. Maleic anhydride hydrolyses rapidly in water at room temperature to maleic acid halflife. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Exposure controlspersonal protection engineering controls maleic anhydride may be released from a newly opened container of pellets or from molten polymer. Special hazards arising from the substance or mixture. No action shall be taken involving any personal risk or without suitable training. Find msds or sds, a coa, data sheets and more information. Its residue in food and tobacco is highly toxic, causing cns disturbances and liver damage. When entering a maleic anhydride in the insulating material of the apparatus, there is. Vaporphase tetrahydrophthalic anhydride will be degraded in the atmosphere by reaction with photochemicallyproduced hydroxyl radicals. Cdc niosh pocket guide to chemical hazards maleic anhydride. Reason for citation maleic acid is on the hazardous substance list because it is cited by dot and epa. Signal word warning hazard statements h302 harmful if swallowed. Du pont material safety data sheet handling personnel see first aid measures and exposure controlspersonal protection sections. Maleic anhydride causes severe burns and may produce an allergic skin reaction in sensitive individuals. Since maleic anhydride is converted to maleic acid, maleic acid can be considered an interference and will result in a positive bias. Maleic anhydride is a highly reactive chemical intermediate with present and potential uses in practically every field of industrial chemistry.
Maleic anhydride released into the atmosphere is degraded by reaction with ozone and photoquimically produced hydroxyl radicals. Material safety data sheet maleic anhydride section 1 chemical product and company identification msds name. Our msds database is an easy to use, do it yourself tool, and best of all. Maleic acid material safety data sheet cas no 110167 sdsmsds. Other companies are charging thousands of dollars to set up accounts and give you access to their msds online database. Recommend use of the chemical unsaturated polyester resin, modified alkyd resin, plasticizer, paper sizes c. Longterm health effects prolonged vapor contact to maleic anhydride may cause conjunctivitis and photophobia sensitivity of the eye to light. Sections i health hazard assessments for noncarcinogenic effects and. Maleic anhydride is a colorless to white solid that forms orthorhombic crystals and decomposes in water. Liquid maleic anhydride is supplied in tank trucks or containers. Solid maleic anhydride can be supplied upon request.
Do not allow victim to rub eyes or keep eyes closed. Higher exposures may cause a buildup of fluid in the lungs pulmonary edema, a medical emergency. Maleic acid material safety data sheet cas no 11016. It is the acid anhydride of maleic acid and in its pure state is a colorless or white solid with an acrid odor. C18h36c4h2o3x hazardous ingredients chemical name casno. India veritas house, 70 mint road, fort, mumbai 400 001. Us4506056a maleic anhydridemodified polymers and process. It is a cyclic dicarboxylic anhydride and a member of furans. Maleic anhydride appears as colorless crystalline needles, flakes, pellets, rods, briquettes, lumps or a fused mass. In rivers, the principal mixing agent is stream turbulence. A process for the preparation of carboxylcontaining polymers comprising mixing together maleic anhydride, a free radical initiator, an additive which inhibits the homopolymerization of maleic anhydride but not that of methyl methacrylate below about 100 c.
Maleic acid and maleic anhydride may form, mostly with iron, pyrophoric products, which at increased temperature may selfignite. Pictogram signal word hazard statements h302 h314 h317. Maleic anhydride released into the atmosphere is degraded by reaction with ozone and photoquimically produced hydroxyl radicals estimated halflife. The anhydride of maleic acid has five atoms in its cyclic molecule, the unsaturated bond undergoes free radical polymerization in the presence of an initiator. Search results for maleic anhydride at sigmaaldrich. First aid measures description of firstaid measures general advice. Maleic anhydride released into water will hydrolyze rapidly halflife 0. Maleic anhydride was traditionally manufactured by. Maleic anhydride rapidly hydrolyzes to form maleic acid in the presence of water and hence environmental exposures to maleic anhydride itself are unlikely. Sigmaaldrich offers a number of maleic acid products. Maleic acid cas no 110167 material safety data sheet sdsmsds. Manufacture information factory everchem specialty chemicals 1400 n. Sigmaaldrich 3050 spruce street saint louis mo 63103 usa telephone.
Occupational exposure limits, if available, are listed in section 8. Geyer and saunders reported a modified mobile phase for the determination of maleic anhydride, but used the same sampling technique 3. Maleic acid cas no 110167 material safety data sheet sds msds. However, this shall not constitute a guarantee for any specific product features and shall not establish a legally valid contractual relationship. The structure of maleic acid consists of four carbon molecules along with carboxylate groups on either ends, with a double bond between the central carbon atoms. Read the product manufacturers material safety data. 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 acid is biodegradable under aerobic conditions in sewage sludge as well as in soil and water. Maleic anhydride may cause a skin allergy and an asthma. Pa18, hv commercial grade pa18, hv low color grade pa18, lv low color pa18, lv commercial grade maleic anhydride octadecene copolymer poly maleic anhydride alt1octadecene octadecenema copolymer molecular formula. Other hazards which do not result in classification. If the possibility of exposure above 10 mgm3 as maleic anhydride exists, use a mshaniosh. Tccs maleic anhydride is a highly reactive chemical intermediate with present and potential uses in practically every field of industrial chemistry. Our company provides this maleic acid sds information sheet contained herein in good faith but makes no representation as to its comprehensiveness or accuracy.
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Ingestion of maleic anydride is toxic and may cause digestive tract burns. Appearance molten briquettes colour 20 apha astm336674 purity 99. It plays a role in how your page is seen by search engine crawlers, and how it appears in serps. Pdf maleic anhydride material safety data sheet raman. Tccs maleic anhydride is an organic compound with the formula c2h2co2o. In 1995, global production of maleic anhydride was estimated at 1. Depending on the end use of product maleic anhydride and availabilityprice of local utilities and solvents, optimal ma recovery system can be defined. First aid measures general advice consult a physician. 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. 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. A combination of these processes should be important. Just to list some of the most popular applications, it is an important raw material for unsaturated polyester resins u.
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