Hazard search
Paraquat dichloride (respirable dust)
- CAS number
- 1910-42-5
- Also known as
- Methyl viologen dichloride · N,N′-dimethyl-4,4′-bipyridinium dichloride · Paraquat · Paraquat dichloride (ISO) (respirable dust)
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 8-hour TWA | 0.08 mg/m³ |
Sampling methods
| Method | Sampling | Medium | Analysis | Part numbers |
|---|---|---|---|---|
| MDHS 14/4 General inhalable or respirable dusts by gravimetric analysis (respirable) Method document (opens in a new tab) | Active (pump) | IOM & foam (or cyclone) with GF filter | GR | 225-70A 225-772 225-69 225-58F |
| NIOSH 5003 Paraquat by HPLC/UV Method document (opens in a new tab) | Active (pump) | 1µm PTFE filter in cassette | 225-17-01 225-2LF 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)