Hazard search
Phosphine
- CAS number
- 7803-51-2
- Also known as
- Hydrogen phosphide · Phosphorus trihydride
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 8-hour TWA | 0.1 ppm | |
| 8-hour TWA | 0.14 mg/m³ | |
| 15-minute STEL | 0.2 ppm | |
| 15-minute STEL | 0.28 mg/m³ |
Sampling methods
| Method | Sampling | Medium | Analysis | Part numbers |
|---|---|---|---|---|
| NIOSH 6002 Phosphine by UV-VIS Method document (opens in a new tab) | Active (pump) | Coated silica gel tube (300/150mg) | UV-VIS | 226-165A 224-29B |
| OSHA 1003 Phosphine by ICP -AES Method document (opens in a new tab) | Active (pump) | Coated filter in preloaded cassette | ICP-AES | 225-9018 225-1 |
| Non-agency Phosphine by Colorimetric analysis | Direct-reading | Gastec detector tube | 810-7 |
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)