---
title: "Dichlorotrifluoroethane (306-83-2): sampling methods"
url: https://analyt-mtc.com/tools/hazard-search/dichlorotrifluoroethane-306-83-2/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/dichlorotrifluoroethane-306-83-2/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/dichlorotrifluoroethane-306-83-2/
---

Hazard search

# Dichlorotrifluoroethane

CAS number

306-83-2

Also known as

2,2-Dichloro-1,1,1-trifluoroethane · Freon 123 · HCFC 123

## UK workplace exposure limits

| Limit | Value | Applies to |
| --- | --- | --- |
| 8-hour TWA | 1000 ppm |  |
| 8-hour TWA | 7110 mg/m³ |  |
| 15-minute STEL | 1250 ppm |  |
| 15-minute STEL | 8890 mg/m³ |  |

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **Non-agency** / 2,2-Dichloro-1,1,1-trifluoroethane by colorimetric analysis | Direct-reading | Gastec Detector Tube |  | [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) / [810-840](https://analyt-mtc.com/catalog/product/gastec-gas-sampling-pumps/#part-gst-840) |
| **Non-agency 50** | Active (pump) |  | GC-FID | [226-09](https://analyt-mtc.com/catalog/product/skc-anasorb-sorbent-tubes/) |

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/)