Maleic anhydride, colorless crystal with strong irritating odor, freezing point 52.8℃, boiling point 202℃, easy to sublimate. It is mainly made from the oxidation of n-butane or butene in benzene or carbon IV fraction and is a raw material for the production of unsaturated polyester and organic synthesis, which is widely used.
Maleic anhydride is an important organic chemical compound, which can be used to make polyester resin, alkyd resin, pesticide, fumaric acid, paper treatment agent, etc.
Maleic anhydride can be used to make plasticizer in the industry; paper treatment agent in the paper industry; unsaturated polyester resin in synthetic resin industry; alkyd resin coating in paint industry; synthesis in pesticide production; production of sulfonamide drug in the pharmaceutical industry, etc.
In recent years, the industry of maleic anhydride as the main raw material of succinic acid and tartaric acid has expanded rapidly, and its application in engineering and construction, food flavouring agents, biological splitting agents and other fields can be expanded continuously.
Isolate the leaking contaminated area, set up warning signs around it, and suggest emergency personnel wear gas masks and chemical protective clothing. Do not touch the spill directly, collect it with a clean shovel in a dry and clean container with a lid, and transport it to a waste disposal site. If a large amount is spilt, the maleic anhydride manufacturer discards it after collection and recycling or harmless treatment.
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