Maleic Anhydride

Maleic anhydride (maleic anhydride, cis-ethylene-1,2-dicarboxylic anhydride, 2,5-furandione) is an organic compound with high reactivity, soluble in water and organic solvents.

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Description

Maleic anhydride (maleic anhydride, cis-ethylene-1,2-dicarboxylic anhydride, 2,5-furandione) is an organic compound with high reactivity, soluble in water and organic solvents.

Applications

Maleic anhydride is used in the preparation of unsaturated polyester resins, for the synthesis of fumaric, malic and succinic acids, in the production of vinyl copolymers.

Maleic anhydride is a raw material in the production of hardeners of epoxy resins, food additives, acts as an additive to lubricating oils.

Maleic anhydride can be used in paintwork materials to reduce their drying time and improve quality.

Technical characteristics

Technical characteristics

Maleic anhydride is a colorless or white solid substance in the form of briquettes or pungent crystals. Maleic anhydride must meet the following requirements:

Content of the main substance

, not less,% 99.5;

 

Color in the molten state, APHA

not more than 20

Thermal stability, APHA, 180 ° C/20 min

not more than 40

Point of solidification, ° С

not less than 52.3

Maleic acid, ppm

not more than 3000

 

Safety and regulation

Maleic anhydride is stored in four-, five-, six-layer paper bags, plastic bags or soft containers in a dry, well-ventilated room.

Work with maleic anhydride should be carried out in rubber gloves and tightly fitting safety goggles in a well-ventilated area. When working, avoid inhaling fumes/dust.