Acetic anhydride
ethanoic anhydride, acetic oxide
How to detect Acetic anhydride
Formula: C4H6O3 | CAS: 108-24-7
Synonyms: ethanoic anhydride, acetic oxide
Specification
| Specification | Value/Information |
|---|---|
| Formula | C4H6O3 |
| CAS no. | 108-24-7 |
| Gas Response Factor, 11.7 eV | 2 |
| Gas Response Factor, 10.6 eV | 4.00 |
| Gas Response Factor, 10.0 eV | NA |
| ppm per mg/m⁻³, (20 °C, 1 bar) | 0.236 |
| Molecular Weight, g/mole | 102.1 |
| Melting point, °C | -73 |
| Boiling point, °C | 139 |
| Flash point, °C | 49 |
| Upper Explosive Limit, % | 10.2 |
| Lower Explosive Limit, % | 2 |
| Specification | Value/Information |
|---|---|
| Density, g.cm⁻³ | 1.082 |
| Ionisation Energy, eV | 10.14 |
| EH40 TWA, ppm | 0.5 |
| EH40 TWA, mg.m⁻³ | 2.5 |
| EH40 STEL, ppm | 2 |
| EH40 STEL, mg.m⁻³ | 10 |
| NIOSH ceiling, ppm | 5 |
| NIOSH ceiling, mg.m⁻³ | 20 |
| NIOSH IDLH, ppm | 200 |
| OSHA TWA PEL, ppm | 5 |
| OSHA TWA PEL, mg.m⁻³ | 20 |