---
title: "Dimethylhydrazine (57-14-7): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/dimethylhydrazine-57-14-7/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/dimethylhydrazine-57-14-7/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/dimethylhydrazine-57-14-7/
---

Hazard search

# Dimethylhydrazine

CAS number

57-14-7

Also known as

1,1-Dimethylhydrazine · N,N-Dimethylhydrazine

## UK workplace exposure limits

Our data hold no UK limit for this substance.

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **NIOSH 3515** / VAS / [Method document (opens in a new tab)](http://www.cromlab.es/Articulos/Metodos/NIOSH/NIOSH%203000/3515.pdf) | Active (pump) | Impinger | VAS | [225-36-1](https://analyt-mtc.com/catalog/product/skc-impingers/#part-225-36-1) / [225-22](https://analyt-mtc.com/catalog/product/biosampler/#part-225-22) / [225-36-2](https://analyt-mtc.com/catalog/product/skc-impingers/#part-225-36-2) |
| **Non-agency** / Dimethylhydrazine by Colorimetric analysis | Direct-reading | Gastec detector tube |  | [810-185](https://analyt-mtc.com/catalog/product/gastec-colour-gas-detector-tubes/#part-gst-185) |

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/)