Product description
Cas NO:108-24-7
EINECS NO: 203-564-8
Molecular formula: C4H6O3;; (CH3CO)2O
Molecular weight: 102.09
Properties: Colorless transparent liquid with irritating smell, and its vapor is tear gas; The vapor pressure is 1.33kPa/36° C; Flash point 49° C; Melting point -73.1° C; The boiling point is 138.6°
C; Solubility: Soluble in benzene, ethanol and ether; Density: relative density (water = 1) 1.08; Relative (air = 1) 3.52;
Stability: stability
Uses: Used as acetylating reagent, as well as in the manufacture of drugs, dyes, acetate fibers, initiators, bleaching agents, etc.
Execution standard: QB/T 10668-2000
Main technical indicators
| project | index | ||
| high-class product | first-rate product | qualified product | |
| Chroma, Hazen unit (platinum cobalt chroma) ≤ | 10 | 15 | 25 |
| Acetic anhydride content/%≥ | 99.0 | 98.0 | 96.0 |
| Evaporation residue/%≤ | 0.005 | 0.01 | 0.01 |
| Iron content (calculated as Fe)/%≤ | 0.0001 | 0.0002 | 0.0005 |
| The reduced potassium permanganate index (mg/100ml)≤ | 60 | 80 | – |
Packing: in tank cars that meet the standard, or in stainless steel boats or plastic drums.
Storage: Store in a cool, ventilated and dry place, away from the sun, fire and heat sources. Do not store with organic acids and alkalis.