Hazard search
Maleic anhydride
- CAS number
- 108-31-6
- Also known as
- 2,5-Furandione · Dihydro-2,5-dioxofuran
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 8-hour TWA | 1 mg/m³ | |
| 15-minute STEL | 3 mg/m³ |
Notations
- Sen: can cause sensitisation
Sampling methods
| Method | Sampling | Medium | Analysis | Part numbers |
|---|---|---|---|---|
| MDHS 72 VOCs by thermal desorption and GC Method document (opens in a new tab) | Active (pump) | Tenax thermal desorption tube (250mg) | TD, GC | 226-357 |
| MDHS 104 VOCs by thermal desorption and GC Method document (opens in a new tab) | Active (pump) | Tenax TD tube (250mg) | 226-357 | |
| NIOSH 3512 Maleic anhydride by HPLC/UV Method document (opens in a new tab) | Active (pump) | Fritted impinger | HPLC-UV | 225-36-2 225-22 |
| OSHA 86 Maleic anhydride by HPLC/UV Method document (opens in a new tab) | Active (pump) | Coated glass fibre filter in cassette | HPLC-UV | 225-9021 225-1 |
| EPA TO-17 | Active (pump) | TD, GC | 226-350 226-347 224-26-02 224-26-CPC | |
| EPA TO-17 VOCs by thermal desorption and GC Method document (opens in a new tab) | Active (pump) | Two Thermal Desorption tubes | ||
| EPA TO-17 Toxic Organic Compounds by thermal desorption and GC Method document (opens in a new tab) | Passive | Passive sampler | ||
| Non-agency Maleic anhydride by HPLC/UV (as per OSHA 86) | Active (pump) | IOM & coated filter | 225-70A 225-9028 | |
| Non-agency Maleic anhydride by Colorimetric analysis | Direct-reading | Gastec detector tube | 810-81 |
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)