Hazard search
Phosphorus pentoxide
- CAS number
- 1314-56-3
- Also known as
- Diphosphorus pentoxide · Phosphoric anhydride · Phosphorus pentaoxide
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 8-hour TWA | 1 mg/m³ | |
| 15-minute STEL | 2 mg/m³ |
Sampling methods
| Method | Sampling | Medium | Analysis | Part numbers |
|---|---|---|---|---|
| OSHA ID 111 | Active (pump) | IC | 225-3-01 225-1 | |
| OSHA ID-111 Phosphoric acid by IC Method document (opens in a new tab) | Active (pump) | 0.8µm MCE filter in 37mm cassette | IC | 225-3-01 225-1 |
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)