Phthalic anhydride

Basic Information

CAS:85-44-9

HS:2917350000

Color, Odor, State: White needle-like crystals with a slight odor

Toxicity: Toxic

Flammability: Flammable

Density: 1.53

Corrosivity: Acidic corrosion

Boiling Point: 295 °C

Stability: Stable

Acidity/Alkalinity: Acidic

Flash Point: 152 °C

Melting Point: 131-134 °C

Hygroscopicity: Hygroscopic; avoid contact with moist air

Solubility: Sparingly soluble in cold water; soluble in hot water, ether, ethanol, benzene, and pyridine; undergoes hydrolysis, alcoholysis, and ammonolysis reactions

Application

Phthalic anhydride is one of the most important organic chemical raw materials, used as a plasticizer, in the production of resins, dyes and pigments, various paints, food additives, pharmaceuticals, pesticides, coatings, saccharin, intermediates, insecticides, fungicides, additives, photosensitive materials, and more.