Chinese Name

Phthalic Anhydride

English Name

Phthalic anhydride

Chinese Aliases

o-Phthalic anhydride; Phthalandione

CAS RN

85-44-9

EINECS No.

201-607-5

Molecular Formula

C₈H₄O₃

Molecular Weight

148.12

Physical and Chemical Properties

Appearance White needle-like crystals with a slight odor.
Melting Point 131.6℃
Boiling Point 295℃
Relative Density 1.527
Flash Point 151.7℃
Solubility Slightly soluble in hot water and ether, soluble in ethanol, benzene, and pyridine.

Uses

Used as an analytical reagent and in organic synthesis.