---
title: "sec-Butyl acetate (105-46-4): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/sec-butyl-acetate-105-46-4/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/sec-butyl-acetate-105-46-4/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/sec-butyl-acetate-105-46-4/
---

Hazard search

# sec-Butyl acetate

CAS number

105-46-4

Also known as

1-Methylpropyl acetate · 1-Methylpropyl ethanoate · 2-Butyl acetate · Acetic acid 2-butyl ester · sec-Butyl acetate (Esters I)

## UK workplace exposure limits

| Limit | Value | Applies to |
| --- | --- | --- |
| 8-hour TWA | 200 ppm |  |
| 8-hour TWA | 966 mg/m³ |  |
| 15-minute STEL | 250 ppm |  |
| 15-minute STEL | 1210 mg/m³ |  |

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **MDHS 88** / VOCs by solvent desorption and GC / [Method document (opens in a new tab)](https://www.hse.gov.uk/pubns/mdhs/pdfs/mdhs88.pdf) | Passive | Passive sampler | GC-FID | [575-001](https://analyt-mtc.com/catalog/product/skc-organic-vapour-passive-samplers/#part-575-001) / [575-002](https://analyt-mtc.com/catalog/product/skc-organic-vapour-passive-samplers/#part-575-002) |
| **MDHS 96** / VOCs by solvent desorption and GC / [Method document (opens in a new tab)](http://www.hse.gov.uk/pubns/mdhs/pdfs/mdhs96.pdf) | Active (pump) | Charcoal tube (100/50mg) | GC-FID | [226-01](https://analyt-mtc.com/catalog/product/skc-anasorb-sorbent-tubes/) |
| **MDHS 104** / VOCs by solvent desorption and GC / [Method document (opens in a new tab)](https://www.hse.gov.uk/pubns/mdhs/pdfs/mdhs104.pdf) | Active (pump) | Charcoal tube (100/50mg) |  | [226-01](https://analyt-mtc.com/catalog/product/skc-anasorb-sorbent-tubes/) |
| **NIOSH 1450** / Esters by GC-FID / [Method document (opens in a new tab)](http://www.cdc.gov/niosh/docs/2003-154/pdfs/1450.pdf) | Active (pump) | Charcoal tube (100/50mg) | GC-FID | [226-01](https://analyt-mtc.com/catalog/product/skc-anasorb-sorbent-tubes/) |
| **OSHA 1009** / n-, Iso-, sec-, and tert-Butyl acetate by GC-FID / [Method document (opens in a new tab)](https://www.osha.gov/sites/default/files/methods/osha-1009.pdf) | Active (pump) | Charcoal tube (100/50mg) | GC-FID | [226-01](https://analyt-mtc.com/catalog/product/skc-anasorb-sorbent-tubes/) |
| **OSHA 1009** / n-, Iso-, sec-, and tert-Butyl acetate by GC-FID / [Method document (opens in a new tab)](https://www.osha.gov/sites/default/files/methods/osha-1009.pdf) | Passive | Passive sampler | GC-FID | [575-002](https://analyt-mtc.com/catalog/product/skc-organic-vapour-passive-samplers/#part-575-002) |
| **OSHA 5000** / Organic Vapour Sampling Group 1 by GC-FID / [Method document (opens in a new tab)](https://www.osha.gov/sites/default/files/methods/5000.pdf) | Active (pump) | Anasorb CSC sorbent tube |  | [226-01](https://analyt-mtc.com/catalog/product/skc-anasorb-sorbent-tubes/) |
| **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/)