CAS:108-31-6

Chemical formula: C₄H₂O₃

Molecular weight: 98.06

CAS Login Number: 108-31-6

Melting point: 52.8 ºC

Boiling point: 202 ºC

Water solubility: soluble in water to form maleic acid

Density: 1.480 g/cm³

Appearance: Rhombic colorless acicular or lamellar crystals

Flash Point: 103ºC

 

1. Used in the production of 1, 4-butanediol, -butanediol, tetrahydrofuran, succinic acid, unsaturated polyester resin, alkyd resin and other raw materials, also used in medicine and pesticides.

2. Act as collector in metal dressing.

3. Used in organic synthesis, also as a synthetic fiber intermediate.

4. Maleic anhydride is an important basic raw materials, unsaturated organic acid anhydride in the production of pesticides used in the synthesis of organophosphorus insecticide sulfur phosphorus intermediate maleic acid diethyl ester, pyridazine sulfur phosphorus intermediate 1 - phenyl - 3, 6 - dihydroxy pyridazine, and amine chrysanthemum ester pyrethroids pesticide, fungicide, captan intermediates, in addition, also used in the production of unsaturated polyester resin, ink additives, paper additives, coating, and pharmaceutical industry, food industry, etc.

5. Mainly used as raw materials for the production of unsaturated polyester resin, alkyd resin, and pesticide Malarthiophosphorus, high-efficiency and low-toxicity pesticide 4049, and long-acting iodide. Also coating, maleic rosin, polymaleic anhydride, and maleic anhydride - styrene copolymer. It is also the production of ink additives, paper additives, plasticizers and tartaric acid, fumaric acid, tetrahydrofuran and other organic chemical raw materials.

6. Maleic anhydride (108-31-6) is an important basic organic chemical raw material. It is the third largest raw material of anhydride after acetic anhydride and phthalic anhydride in the world.Its downstream products have quite extensive development and application prospects. Mainly used in the synthesis of unsaturated polyester ester, it is the manufacture of automotive parts, ships, corrosion resistance chemical equipment and daily necessities raw materials. Maleic anhydride (108-31-6) is also an important intermediate in the production of lubricating oil additives, coatings, pesticides, fumaric acid, copolymers, food additives and other important intermediates. Its hydrogenation derivatives are succinic anhydride, 1.4-butanediol, R-J-lactone and tetrahydrofuran.

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