Methyl mercaptan
methanethiol, mercaptomethane, methanethiol, methyl sulfhydrate
How to detect Methyl mercaptan
Formula: CH4S | CAS: 74-93-1
Synonyms: methanethiol, mercaptomethane, methanethiol, methyl sulfhydrate
Specification
| Specification | Value/Information |
|---|---|
| Formula | CH4S |
| CAS no. | 74-93-1 |
| Gas Response Factor, 11.7 eV | 1 |
| Gas Response Factor, 10.6 eV | 0.7 |
| Gas Response Factor, 10.0 eV | 0.6 |
| ppm per mg/m⁻³, (20 °C, 1 bar) | 0.5 |
| Molecular Weight, g/mole | 48.1 |
| Melting point, °C | '-121 |
| Boiling point, °C | 6 |
| Flash point, °C | '-17.8 (aq) |
| Specification | Value/Information |
|---|---|
| Upper Explosive Limit, % | 21.8 |
| Lower Explosive Limit, % | 3.9 |
| Density, g.cm⁻³ | 0.9 |
| Ionisation Energy, eV | 9.44 |
| EH40 TWA, ppm | 0.5 |
| EH40 TWA, mg.m⁻³ | 1 |
| NIOSH ceiling, ppm | 0.5 |
| NIOSH ceiling, mg.m⁻³ | 1 |
| NIOSH IDLH, ppm | 150 |























