National Standard Maleic Anhydride Industrial Grade Maleic Anhydride Premium Grade Maleic Anhydride Manufacturer Supply Rhombic colorless needle or flake crystals. Has a strong irritating odor, soluble in ethanol, difficult to dissolve in petroleum ether. Reacts with hot water to form maleic acid. Mainly used for producing unsaturated polyester resins, alkyd resins, pesticide malathion, high-efficiency low-toxicity pesticide 4049, and as a raw material for long-acting sulfonamides. Also used as a comonomer for coatings, maleic rosin, polymaleic anhydride, maleic anhydride-styrene copolymers, and as an organic chemical raw material for producing ink additives, paper additives, plasticizers, tartaric acid, fumaric acid, tetrahydrofuran, etc.

Appearance: White flake crystals, available in powdered, needle, flake, pellet, rod, lump, or molten form, with a strong irritating odor

Relative Density: 1.480

Melting Point: 52.8°C

Boiling Point: 202.2°C

Flash Point (Open Cup): 110.0°C

Easily vaporizes at lower temperatures (60-80°C), soluble in alcohol, hygroscopic upon contact with water forming maleic acid

Uses: Mainly used for producing unsaturated polyester resins, alkyd resins, pesticides, high-efficiency low-toxicity pesticide 4049, and as a raw material for long-acting sulfonamides. Also used as a comonomer for coatings, maleic rosin, polymaleic anhydride, maleic anhydride-styrene copolymers, and as an organic chemical raw material for producing ink additives, paper additives, plasticizers, tartaric acid, fumaric acid, tetrahydrofuran, etc.

• Chinese Name

  Maleic Anhydride

• Also Known As

  Maleic Anhydride, Malic Anhydride, Dehydrated Apple Acid Anhydride

• Chemical Formula

  C4H2O3

• Molecular Weight

  98.06

• CAS Registry Number

  108-31-6

• Appearance

  Colorless crystalline powder with a strong irritating odor