---
title: "Methylhydrazine (60-34-4): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/methylhydrazine-60-34-4/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/methylhydrazine-60-34-4/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/methylhydrazine-60-34-4/
---

Hazard search

# Methylhydrazine

CAS number

60-34-4

Also known as

1-Methylhydrazine · Monomethyl hydrazine

## UK workplace exposure limits

Our data hold no UK limit for this substance.

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **NIOSH 3510** / Methylhydrazine by VIS / [Method document (opens in a new tab)](http://www.cdc.gov/niosh/docs/2003-154/pdfs/3510.pdf) | Active (pump) | Fritted impinger | VAS | [225-36-2](https://analyt-mtc.com/catalog/product/skc-impingers/#part-225-36-2) / [225-22](https://analyt-mtc.com/catalog/product/biosampler/#part-225-22) |
| **OSHA 20** / Hydrazine by HPLC / [Method document (opens in a new tab)](https://www.osha.gov/sites/default/files/methods/osha-20.pdf) | Active (pump) | Coated Firebrick tube (300mg) | HPLC-UV | [226-42-02](https://analyt-mtc.com/catalog/product/skc-specific-sorbent-tubes/#part-226-42-02) |
| **OSHA 108** | Active (pump) |  | HPLC-UV | [225-9012](https://analyt-mtc.com/catalog/product/skc-coated-treated-filters/#part-225-9012) / [225-1](https://analyt-mtc.com/catalog/product/aluminium-respirable-dust-cyclone/#part-225-1) |
| **Non-agency** / Methyl hydrazine 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/)