---
title: "n-Methylmorpholine (109-02-4): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/n-methylmorpholine-109-02-4/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/n-methylmorpholine-109-02-4/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/n-methylmorpholine-109-02-4/
---

Hazard search

# n-Methylmorpholine

CAS number

109-02-4

Also known as

4-Methylmorpholine

## UK workplace exposure limits

Our data hold no UK limit for this substance.

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **Non-agency** / N-Methylmorpholine 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) |

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)