Hazard search
Iodomethane
- CAS number
- 74-88-4
- Also known as
- Iodomethane (methyl iodide) · Methyl iodide · Methyl iodide (iodomethane) · Methyl iodide (see online Passive Sampling Guide)
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 8-hour TWA | 2 ppm | |
| 8-hour TWA | 12 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 | 575-001 575-002 |
| 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 1014 Methyl iodide by GC-FID Method document (opens in a new tab) | Active (pump) | Charcoal tube (100/50mg) | GC-FID | 226-01 |
| Non-agency Methyl iodide by Colorimetric analysis | Direct-reading | Gastec Detector Tube | 810-230H 810-230 810-121L | |
| Other | Passive | GC-FID | 575-001 |
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)