Hazard search
Butane
- CAS number
- 106-97-8
- Also known as
- n-Butane
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 8-hour TWA | 600 ppm | |
| 8-hour TWA | 1450 mg/m³ | |
| 15-minute STEL | 750 ppm | |
| 15-minute STEL | 1810 mg/m³ |
Notations
- Carc: carcinogen
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) | Spherocarb tube (300mg) | ||
| OSHA CSI | Active (pump) | TD, GC | 226-01 | |
| OSHA PV2010 n-Butane by GC-FID Method document (opens in a new tab) | Active (pump) | Two Carbosieve S-III tubes in series (130/65mg) | GC-FID | |
| EPA TO-17 VOCs by thermal desorption and GC Method document (opens in a new tab) | Active (pump) | Two Thermal Desorption tubes | ||
| Non-agency Butane by Colorimetric analysis | Direct-reading | Gastec detector tube | 810-104 810-103 | |
| Non-agency VOCs by solvent desorption and GC-FID Method document (opens in a new tab) | Passive | Anasorb CSC (350 mg), or Anasorb® 747 (500 mg) passive sampler | 575-001 575-002 | |
| Other | Passive | GC-FID | 575-001 575-002 |
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)