---
title: "Butyl chloroformate (592-34-7): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/butyl-chloroformate-592-34-7/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/butyl-chloroformate-592-34-7/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/butyl-chloroformate-592-34-7/
---

Hazard search

# Butyl chloroformate

CAS number

592-34-7

Also known as

Butyl chlorocarbonate · Chloroformic acid butyl ester · n-Butyl chloroformate

## UK workplace exposure limits

| Limit | Value | Applies to |
| --- | --- | --- |
| 8-hour TWA | 1 ppm |  |
| 8-hour TWA | 5.7 mg/m³ |  |

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **ASTM D6209** | Active (pump) |  | GC-MS | [226-131](https://analyt-mtc.com/catalog/product/skc-polyurethane-foam-puf-tubes/#part-226-131) |

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/)