Ethylene oxide
oxirane, dimethylene oxide, oxane, 1,2-epoxy ethane, C2H4O, ETO
How to detect Ethylene oxide
Formula: C2H4O | CAS: 75-21-8
Synonyms: oxirane, dimethylene oxide, oxane, 1,2-epoxy ethane, C2H4O, ETO
Ethylene oxide is the starting point for a wide variety of chemicals, most importantly ethylene glycol and polyethylene glycols.
Specification
| Specification | Value/Information |
|---|---|
| Formula | C2H4O |
| CAS no. | 75-21-8 |
| Gas Response Factor, 11.7 eV | 2.00 |
| Gas Response Factor, 10.6 eV | 9.00 |
| Gas Response Factor, 10.0 eV | ZR |
| ppm per mg/m⁻³, (20 °C, 1 bar) | 0.546 |
| Molecular Weight, g/mole | 44.1 |
| Melting point, °C | -113 |
| Boiling point, °C | 11 |
| Flash point, °C | -57 |
| Upper Explosive Limit, % | 100 |
| Lower Explosive Limit, % | 2.6 |
| Specification | Value/Information |
|---|---|
| Density, g.cm⁻³ | 0.82 |
| Ionisation Energy, eV | 10.56 |
| EH40 TWA, ppm | 1 |
| EH40 TWA, mg.m⁻³ | 1.8 |
| NIOSH TWA REL, ppm | 0.1 |
| NIOSH TWA REL, mg.m⁻³ | 0.18 |
| NIOSH ceiling, ppm | 5 |
| NIOSH ceiling, mg.m⁻³ | 9 |
| NIOSH IDLH, ppm | 800 |
| OSHA TWA PEL, ppm | 1 |
| OSHA TWA PEL, mg.m⁻³ | 5 |