Hazard search
Phosphorus trichloride
- CAS number
- 7719-12-2
- Also known as
- Trichlorophosphine
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 8-hour TWA | 0.2 ppm | |
| 8-hour TWA | 1.1 mg/m³ | |
| 15-minute STEL | 0.5 ppm | |
| 15-minute STEL | 2.9 mg/m³ |
Sampling methods
| Method | Sampling | Medium | Analysis | Part numbers |
|---|---|---|---|---|
| NIOSH 6402 Phosphorus trichloride by VIS Method document (opens in a new tab) | Active (pump) | Fritted midget impinger | VAS | 225-36-2 225-22 |
| OSHA CSI | Active (pump) | IC | 225-36-2 225-36-5 225-22 |
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); SKC Inc. (USA), Sampling Guides, used with SKC's permission (opens in a new tab)