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| Cas Number | 74-93-1 |
| Chemical Name | methanethiol |
| Chemical Synonym |
methyl mercaptan |
| Hazard Category |
Flammable gas – category 1 Gases under pressure Acute toxicity – category 3 Hazardous to the aquatic environment (acute) – category 1 Hazardous to the aquatic environment (chronic) – category 1 |
| Hazard Statement |
H220 (Extremely flammable gas) H331 (Toxic if inhaled) H410 (Very toxic to aquatic life with long-lasting effects) |
| Pictogram |
GHS02 (
Flame
) 
GHS04 (Gas Cylinder) 
GHS06 (Skull and Crossbones) 
GHS09 (Environment) |
| Signal Word | Danger |
| Cut-offs | |
| Notes |
U (When put on the market gases should be classified as ‘Gases under pressure’, in one of the groups compressed gas, liquefied gas, refrigerated liquefied gas or dissolved gas. The group depends on the physical state in which the gas is packaged and therefore has to be assigned case by case.) |
| Sources |
EU (Classification information for chemical is taken from the European Union’s Classification, Labelling and Packaging (CLP) Regulation.) |
Hazardous Chemical History
| Date | Description |
|---|---|
| 23/06/2016 | Chemical Added |