Hazard search
Pyrocatechol
- CAS number
- 120-80-9
- Also known as
- 1,2-Benzenediol · 1,2-Dihydroxybenzene · Catechol · Catechol (pyrocatechol) · o-Benzenediol · o-Dihydroxybenzene · o-Dioxybenzene · o-Hydroquinone · o-hydroxyphenol · o-Phenylenediol
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 8-hour TWA | 5 ppm | |
| 8-hour TWA | 23 mg/m³ |
Sampling methods
| Method | Sampling | Medium | Analysis | Part numbers |
|---|---|---|---|---|
| MDHS 104 VOCs by thermal desorption and GC Method document (opens in a new tab) | Active (pump) | OVS-XAD-7 Tube | 226-57 | |
| OSHA PV2014 Catechol by GC-FID Method document (opens in a new tab) | Active (pump) | OVS-7 tube | HPLC-UV | 226-57 |
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)