---
title: "Butyl butyrate (109-21-7): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/butyl-butyrate-109-21-7/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/butyl-butyrate-109-21-7/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/butyl-butyrate-109-21-7/
---

Hazard search

# Butyl butyrate

CAS number

109-21-7

Also known as

Butyl butanoate · Butyl butryrate

## UK workplace exposure limits

Our data hold no UK limit for this substance.

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **OSHA PV2090** / Butyl Butyrate, Isobutyl Isobutyrate by gas chromatography with a flame ionization detector GC-FID / [Method document (opens in a new tab)](https://www.osha.gov/sites/default/files/methods/osha-pv2090.pdf) | Active (pump) | Sorbent Tube | GC-FID | [226-01](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/)