Maleic anhydride (MLA) appears as colorless crystalline needles, flakes, pellets, rods, briquettes, lumps or a fused mass. Used to make paints and plastics and other chemicals. Maleic anhydride is a cyclic dicarboxylic anhydride that is the cyclic anhydride of maleic acid. It has a role as an allergen. It is a cyclic dicarboxylic anhydride and a member of furans.

Technical Properties

Synonyms: furan-2,5-dione; 2,5-Furandione; Toxilic anhydride
Cas Number: 108-31-6
Molecular Weight: 98.06 g/mol
Odor: Pungent odor
Boiling Point: 202.0 °C at 760 mm Hg
Melting Point: 52.56 °C
Flash Point: 102 °C (closed cup)
Density: 1.43 @ 15 °C
Vapor Pressure: 0.2 mmHg
Autoignition Temperature: 477 °C
Viscosity (@ 60 °C): 0.61 mPa.s
Viscosity (@ 90 °C): 1.07 mPa.s
Viscosity (@ 150 °C): 0.6 mPa.s