| Hazard Name: |
Acetic Anhydride |
| HAZARD: |
Acetic Anhydride |
CHEMICAL FORMULA: |
(CH3CO)2O |
| EXPOSURE STANDARD: |
5ppm (TWA) |
PHYSICAL FORM: |
Colourless Liquid |
| SYNONYMS: |
Ethanoic Anhydride |
RELATIVE DENSITY: |
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| EXPOSURE: |
Inhalation |
| IP(eV): |
10.14 |
C.F: |
6.1 |
LEL%: |
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| USES/SOURCES: |
In manufacture of cellulose esters, plastics, pharmaceuticals, photographic films, cigarette filters, and magnetic tape; inorganic synthesis as an acetylating agent, bleaching agent, and dehydrating agent. |
| TOXICOLOGY: |
Acetic anhydride vapor is a severe irritant of the eyes, mucous membranes, and skin. Humans exposed to undetermined but high vapor concentrations complained immediately of severe conjunctival and nasopharyngeal irritation, harsh cough, and dyspnea.' Workmen exposed to vapors from a boiling mixture complained of severe eye irritation and lacrimation.' The immediate effect of exposure to vapor concentrations above 5 ppm is acute irritation of the eyes and upper respiratory tract |
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