Cas NO：108-24-7
EINECS NO：203-564-8
Molecular Formula: C4H6O3;(CH3CO)2O
Molecular weight: 102.09
Characteristics: Colorless transparent liquid with a pungent smell. Its vapor is tear gas; vapor pressure 1.33kPa/36°C; flash point 49°C; melting point-73.1℃; boiling point 138.6℃;
Solubility: soluble in benzene, ethanol, ether; density: relative density (water =1) 1.08; relative density (air =1) 3.52;
Stable uses: Used as an acetylation agent, as well as in the manufacture of drugs, dyes, cellulose acetate, initiator, bleach, etc.
Implementation standard: QB/T 10668-2000
| project | indicators | ||
| superior products | first-class goods | qualified products | |
| Chroma, Hazen units (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 |
| Material index of reduced potassium permanganate (mg/100ml)≤ | 60 | 80 | - |
Packaging: packed in standard tankers, or in stainless steel ship cans or plastic drums.
Storage: Store in a cool, ventilated and dry place, avoid the sun, and keep away from fire and heat sources. Do not store with organic acids and bases.
