---
title: "Phosgene (75-44-5): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/phosgene-75-44-5/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/phosgene-75-44-5/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/phosgene-75-44-5/
---

Hazard search

# Phosgene

CAS number

75-44-5

Also known as

Carbonyl chloride · Chloroformyl chloride · Phosgene & chloroformates · Phosgene(CARBONYL CHLORIDE)

## UK workplace exposure limits

| Limit | Value | Applies to |
| --- | --- | --- |
| 8-hour TWA | 0.02 ppm |  |
| 8-hour TWA | 0.08 mg/m³ |  |
| 15-minute STEL | 0.06 ppm |  |
| 15-minute STEL | 0.25 mg/m³ |  |

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **OSHA 61** / Phosgene by GC -NSD / [Method document (opens in a new tab)](https://www.osha.gov/sites/default/files/methods/osha-61.pdf) | Active (pump) | Coated XAD-2 tube (150/75mg) | GC-NPD | [226-117](https://analyt-mtc.com/catalog/product/skc-xad-sorbent-tubes/#part-226-117) |
| **EPA TO-6** / Phosgene by HPLC/UV / [Method document (opens in a new tab)](http://www.epa.gov/ttn/amtic/files/ambient/airtox/to-6.pdf) | Active (pump) | Impinger | HPLC-UV | [225-36-1](https://analyt-mtc.com/catalog/product/skc-impingers/#part-225-36-1) / [225-22](https://analyt-mtc.com/catalog/product/biosampler/#part-225-22) |
| **Non-agency** / Phosgene by Colorimetric analysis | Direct-reading | Gastec detector tube |  | [810-16](https://analyt-mtc.com/catalog/product/gastec-colour-gas-detector-tubes/#part-gst-16) |
| **Non-agency 40** | Active (pump) |  | GC-FPD | [226-153](https://analyt-mtc.com/catalog/product/skc-xad-sorbent-tubes/#part-226-153) |

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/)