Ethyl mercaptan
ethanethiol, ethyl sulfhydrate, mercaptoethane, ethyl hydrosulfide, ethyl thioalcohol, thioethanol
How to detect Ethyl mercaptan
Formula: C2H6S | CAS: 75-08-1
Synonyms: ethanethiol, ethyl sulfhydrate, mercaptoethane, ethyl hydrosulfide, ethyl thioalcohol, thioethanol
Ethyl mercaptan is generally deemed a primary malodorant arising from incomplete containment of vapours released in refining.
Specification
| Specification | Value/Information |
|---|---|
| Formula | C2H6S |
| CAS no. | 75-08-1 |
| Gas Response Factor, 11.7 eV | 0.6 |
| Gas Response Factor, 10.6 eV | 0.6 |
| Gas Response Factor, 10.0 eV | 0.6 |
| ppm per mg/m⁻³, (20 °C, 1 bar) | 0.387 |
| Molecular Weight, g/mole | 62.1 |
| Melting point, °C | '-148 |
| Boiling point, °C | 35 |
| Flash point, °C | '-17.2 |
| Specification | Value/Information |
|---|---|
| Lower Explosive Limit, % | 2.8 |
| Density, g.cm⁻³ | 0.839 |
| Ionisation Energy, eV | 9.29 |
| EH40 TWA, ppm | 0.5 |
| EH40 TWA, mg.m⁻³ | 1.3 |
| EH40 STEL, ppm | 2 |
| EH40 STEL, mg.m⁻³ | 5.2 |
| NIOSH ceiling, ppm | 0.5 |
| NIOSH ceiling, mg.m⁻³ | 1.3 |
| NIOSH IDLH, ppm | 500 |























