Hazard search
Hydrazine
- CAS number
- 302-01-2
- Also known as
- Diamide · Diamine · Nitrogen hydride
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 8-hour TWA | 0.01 ppm | |
| 8-hour TWA | 0.013 mg/m³ | |
| 15-minute STEL | 0.1 ppm | |
| 15-minute STEL | 0.13 mg/m³ |
Notations
- Carc: carcinogen
- Sk: can be absorbed through the skin
Sampling methods
| Method | Sampling | Medium | Analysis | Part numbers |
|---|---|---|---|---|
| MDHS 86 Hydrazine by HPLC Method document (opens in a new tab) | Active (pump) | Coated glass fibre filter in cassette | IC-UV | 225-9012 225-1 |
| NIOSH 3503 Hydrazine by VIS Method document (opens in a new tab) | Active (pump) | Fritted midget impinger | VAS | 225-36-2 225-22 |
| OSHA 20 Hydrazine by HPLC Method document (opens in a new tab) | Active (pump) | Coated Firebrick tube (300mg) | HPLC-UV | 226-42-02 |
| OSHA 108 Hydrazine by LC -UV Method document (opens in a new tab) | Active (pump) | Two treated glass fibre filters in cassette | LC-UV | 225-9012 225-1 |
| Non-agency Hydrazine by Colorimetric analysis | Direct-reading | Gastec detector tube | 810-185 | |
| Non-agency Hydrazine by Colorimetric analysis | Passive | Gastec Dosi-tube | 810-3D | |
| Non-agency 22 | Active (pump) | CLR | 226-42-02 | |
| Other | Passive | HPLC-UV | 500-100 | |
| Other | Passive | DR | 810-3D |
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)