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| Cas Number | 74-90-8 |
| Chemical Name | hydrogen cyanide |
| Chemical Synonym |
hydrocyanic acid |
| Hazard Category |
Flammable liquid – category 1 Acute toxicity – category 2 Hazardous to the aquatic environment (acute) – category 1 Hazardous to the aquatic environment (chronic) – category 1 |
| Hazard Statement |
H224 (Extremely flammable liquid and vapour) H330 (Fatal if inhaled) H410 (Very toxic to aquatic life with long-lasting effects) |
| Pictogram |
GHS02 (
Flame
) 
GHS06 (Skull and Crossbones) 
GHS09 (Environment) |
| Signal Word | Danger |
| Cut-offs | |
| Notes | |
| 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 |