---
title: "o-sec-Butylphenol (89-72-5): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/o-sec-butylphenol-89-72-5/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/o-sec-butylphenol-89-72-5/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/o-sec-butylphenol-89-72-5/
---

Hazard search

# o-sec-Butylphenol

CAS number

89-72-5

Also known as

2-sec-Butylphenol · ortho-sec-Butylphenol

## UK workplace exposure limits

| Limit | Value | Applies to |
| --- | --- | --- |
| 8-hour TWA | 5 ppm |  |
| 8-hour TWA | 31 mg/m³ |  |

### Notations

-   Sk: can be absorbed through the skin

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **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) | XAD-7 tube (100/50mg) |  | [226-95](https://analyt-mtc.com/catalog/product/skc-xad-sorbent-tubes/#part-226-95) |
| **OSHA PV2128** / o-sec-Butylphenol by GC-FID / [Method document (opens in a new tab)](https://www.osha.gov/sites/default/files/methods/osha-pv2128.pdf) | Active (pump) | XAD-7 tube (100/50mg) | HPLC-UV | [226-95](https://analyt-mtc.com/catalog/product/skc-xad-sorbent-tubes/#part-226-95) |

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/)