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Acetic Anhydride - Not for Sale only for Educational Purpose
Acetic anhydride is a carboxylic acid anhydride commonly used for the acetylation of amines and alcohols
Acetic anhydride is a carboxylic acid anhydride commonly used for the acetylation of amines and alcohols. It undergoes exothermic reaction on addition of water to form acetic acid. The photodecomposition of acetic anhydride has been studied over the temperature range from 60-160°C. The impact of treating pine wood with acetic anhydride has been investigated to evaluate the toughness of pine wood.
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Handling : Work under hood. Do not inhale substance/mixture. Avoid generation of vapours/aerosols.
Storage : Keep container tightly closed in a dry and well-ventilated place. Keep away from heat and sources of ignition. Keep locked up or in an area accessible only to qualified or authorized persons. Reacts violently with water
| Property | Typical Value, Units |
| Molecular Weight | 102.1 |
| Formula | C4H6O3 |
| Specific Gravity @ 20°C | 1.08 |
| Boiling Point | 139.9 °C (283.8 °F) |
| Freezing Point | -73.1 °C (-99.5 °F) |
| Vapor Pressure @ 20°C | 4.6 mm Hg |
| Viscosity @ 25°C | 0.91 cP |
| Coefficient of Expansion @ 20°C | 0.00145 |
| Upper explosion limit | 96.2 mg/L |
| Lower explosion limit | 381 mg/L |
| Flash Point Closed Cup | 49 °C (120 °F) |
| Flash Point Open Cup | 56 °C (132 °F) |
| Fire Point | 58 °C (136 °F) |
| Form | Liquid |
| Assay | 99 wt % |