---
title: "But-2-yne-1,4-diol (110-65-6): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/but-2-yne-1-4-diol-110-65-6/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/but-2-yne-1-4-diol-110-65-6/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/but-2-yne-1-4-diol-110-65-6/
---

Hazard search

# But-2-yne-1,4-diol

CAS number

110-65-6

Also known as

1,4-Butynediol · 1,4-Dihydroxy-2-butyne · 2-Butynediol

## UK workplace exposure limits

| Limit | Value | Applies to |
| --- | --- | --- |
| 8-hour TWA | 0.5 mg/m³ |  |

## Sampling methods

Our data hold no sampling method for this substance.

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)