---
title: "Halothane (151-67-7): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/halothane-151-67-7/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/halothane-151-67-7/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/halothane-151-67-7/
---

Hazard search

# Halothane

CAS number

151-67-7

Also known as

2-Bromo-2-chloro-1,1,1-trifluoroethane

## UK workplace exposure limits

| Limit | Value | Applies to |
| --- | --- | --- |
| 8-hour TWA | 10 ppm |  |
| 8-hour TWA | 82 mg/m³ |  |

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **MDHS 80** | Active (pump) |  | GC-ECD | [226-357](https://analyt-mtc.com/catalog/product/skc-tenax-sorbent-tubes/#part-226-357) / [226-358](https://analyt-mtc.com/catalog/product/skc-chromosorb-sorbent-tubes/#part-226-358) |
| **MDHS 88** / VOCs by solvent desorption and GC / [Method document (opens in a new tab)](http://www.hse.gov.uk/pubns/mdhs/pdfs/mdhs88.pdf) | Passive | Passive sampler | GC-FID | [575-002](https://analyt-mtc.com/catalog/product/skc-organic-vapour-passive-samplers/#part-575-002) |
| **OSHA 29** / Enflurane & Halothane by GC-FID / [Method document (opens in a new tab)](https://www.osha.gov/sites/default/files/methods/osha-29.pdf) | Active (pump) | Two charcoal tubes in series (100/50mg) | GC-FID | [226-01](https://analyt-mtc.com/catalog/product/skc-anasorb-sorbent-tubes/) |
| **OSHA 103** / Enflurane, Halothane & Isoflurane by GC-FID / [Method document (opens in a new tab)](https://www.osha.gov/sites/default/files/methods/osha-103.pdf) | Active (pump) | Anasorb 747 tube (140/70mg) | GC-FID | [226-81A](https://analyt-mtc.com/catalog/product/skc-anasorb-sorbent-tubes/#part-226-81a) |
| **Non-agency** / Halothane by Colorimetric analysis | Direct-reading | Gastec detector tube |  | [810-51H](https://analyt-mtc.com/catalog/product/gastec-colour-gas-detector-tubes/#part-gst-51h) / [810-51](https://analyt-mtc.com/catalog/product/gastec-colour-gas-detector-tubes/#part-gst-51) / [810-51L](https://analyt-mtc.com/catalog/product/gastec-colour-gas-detector-tubes/#part-gst-51l) |
| **Other** | Passive |  | GC-FID | [575-001](https://analyt-mtc.com/catalog/product/skc-organic-vapour-passive-samplers/#part-575-001) |
| **Other** | Passive |  | GC-FID | [575-002](https://analyt-mtc.com/catalog/product/skc-organic-vapour-passive-samplers/#part-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)](https://www.skcltd.com/hazard-search.html); [SKC Inc. (USA), Sampling Guides, used with SKC's permission (opens in a new tab)](https://international.skcinc.com/sampling-guides/)