Propionic anhydride
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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