Maleic anhydride
2,5-furandione, toxilic anhydride, cis butenedioic anhydride, maleic acid anhydride
Maleic anhydride
Formula: C4H2O3 | CAS: 108-31-6
Synonyms: 2,5-furandione, toxilic anhydride, cis butenedioic anhydride, maleic acid anhydride
Specification
| Specification | Value/Information |
|---|---|
| Formula | C4H2O3 |
| CAS no. | 108-31-6 |
| Gas Response Factor, 11.7 eV | NA |
| Gas Response Factor, 10.6 eV | 2 |
| Gas Response Factor, 10.0 eV | NA |
| ppm per mg/m⁻³, (20 °C, 1 bar) | 0.229 |
| Molecular Weight, g/mole | 98.0 |
| Melting point, °C | 52.8 |
| Boiling point, °C | 202.2 |
| Flash point, °C | 103.3 |
| Specification | Value/Information |
|---|---|
| Lower Explosive Limit, % | 1.4 |
| Density, g.cm⁻³ | 1.48 |
| Ionisation Energy, eV | 9.9 |
| EH40 TWA, mg.m⁻³ | 1 |
| EH40 STEL, mg.m⁻³ | 3 |
| NIOSH ST, ppm | 0.25 |
| NIOSH TWA REL, ppm | 1 |
| NIOSH IDLH, ppm | 2.5 |
| OSHA TWA PEL, ppm | 0.25 |
| OSHA TWA PEL, mg.m⁻³ | 1 |
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