Hazard search
Dioxane
- CAS number
- 123-91-1
- Also known as
- 1,4-Dioxane · Diethylene dioxide · Diethylene dioxide (see dioxane) · Diethylene ether (see dioxane) · Dioxane (diethylene dioxide) · p-Dioxane · para-Dioxane
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 8-hour TWA | 20 ppm | |
| 8-hour TWA | 73 mg/m³ |
Notations
- Sk: can be absorbed through the skin
Sampling methods
| Method | Sampling | Medium | Analysis | Part numbers |
|---|---|---|---|---|
| MDHS 88 VOCs by solvent desorption and GC Method document (opens in a new tab) | Passive | Passive sampler | GC-FID | 575-002 |
| MDHS 96 VOCs by solvent desorption and GC Method document (opens in a new tab) | Active (pump) | Charcoal tube (100/50mg) | GC-FID | 226-01 |
| NIOSH 1602 Dioxane by GC-FID Method document (opens in a new tab) | Active (pump) | Charcoal tube (100/50mg) | GC-FID | 226-01 |
| Non-agency 1,4-Dioxane by Colorimetric analysis | Direct-reading | Gastec detector tube | 810-159 810-163 | |
| Other | Passive | GC-FID | 575-001 | |
| Other | Passive | GC-FID | 575-002 |
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)