Hazard search
Sodium cyanide
- CAS number
- 143-33-9
- Also known as
- Hydrocyanic acid, sodium salt
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 8-hour TWA | 1 mg/m³ | |
| 15-minute STEL | 5 mg/m³ |
Notations
- Sk: can be absorbed through the skin
Sampling methods
| Method | Sampling | Medium | Analysis | Part numbers |
|---|---|---|---|---|
| NIOSH 7904 Cyanides by ISE Method document (opens in a new tab) | Active (pump) | 1µm PTFE filter with fritted midget impinger | 225-2705 225-2LF 225-36-2 225-22 |
Methods and limits as published by their agencies and summarised by SKC; check the current method and the limit that applies to you before sampling.
Source: SKC Ltd (UK), Hazard Search, used with SKC's permission (opens in a new tab)