Hazard search
Nitrous oxide
- CAS number
- 10024-97-2
- Also known as
- Dinitrogen monoxide · Dinitrogen oxide · Hyponitrous acid anhydride · Laughing gas
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 8-hour TWA | 100 ppm | |
| 8-hour TWA | 183 mg/m³ |
Sampling methods
| Method | Sampling | Medium | Analysis | Part numbers |
|---|---|---|---|---|
| NIOSH 6600 Nitrous oxide by portable IR Method document (opens in a new tab) | Active (pump) | Sample bag | P IR | 231-05 |
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); SKC Inc. (USA), Sampling Guides, used with SKC's permission (opens in a new tab)