---
title: "Methylamine (74-89-5): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/methylamine-74-89-5/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/methylamine-74-89-5/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/methylamine-74-89-5/
---

Hazard search

# Methylamine

CAS number

74-89-5

Also known as

Aminomethane · Methanamine · Methyl amine (see online Passive Sampling Guide) · Monomethylamine

## UK workplace exposure limits

Our data hold no UK limit for this substance.

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **OSHA 40** / Methylamine by HPLC/UV / [Method document (opens in a new tab)](https://www.osha.gov/sites/default/files/methods/osha-40.pdf) | Active (pump) | Coated XAD-7 tube (80/40mg) | HPLC-UV | [226-96](https://analyt-mtc.com/catalog/product/skc-xad-sorbent-tubes/#part-226-96) |
| **Non-agency** / Methylamine by Colorimetric analysis | Direct-reading | Gastec detector tube |  | [810-180](https://analyt-mtc.com/catalog/product/gastec-colour-gas-detector-tubes/#part-gst-180) / [810-180L](https://analyt-mtc.com/catalog/product/gastec-colour-gas-detector-tubes/#part-gst-180l) |
| **Non-agency** / Methylamine by Colorimetric analysis | Passive | Gastec Dosi-tube |  | [810-3DL](https://analyt-mtc.com/catalog/product/gastec-passive-dosi-tubes/#part-gst-3dl) |
| **Non-agency** / Amines by HPLC / [Method document (opens in a new tab)](https://www.skcltd.com/products2/passive-samplers/umex-400-aiphatic-amines.html) | Passive | UMEx 400 Passive Sampler |  | 500-400 |
| **Other** | Passive |  | HPLC-UV | 500-400 |
| **Other** | Passive |  | HPLC-UV | [810-3DL](https://analyt-mtc.com/catalog/product/gastec-passive-dosi-tubes/#part-gst-3dl) |

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/)