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Propionic anhydride

CAS : 123-62-6

Molecular weight: 130.14

Molecular formula: (CH3CH2CO)2O

Structural formula:

Specific gravity: 1.01

Boiling point:  169

Melting point: -43

The product is colorless irritating liquid. Soluble in diethyl ether and trichloromethane. Breaks down into propionic acid and propionate in contact with water and ethyl alcohol.

Uses: Propionic anhydride is used as acylating agent in producing drug, pesticide, spice and special ether.

Quality index:

Item

Enterprise standard

Note

Appearance

Colorless transparent liquid

Visual method

Propionic anhydride

≥99%

FID capillary column, area normalization method

Propionic acid

≤1.0%


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