---
title: "Diazomethane (334-88-3): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/diazomethane-334-88-3/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/diazomethane-334-88-3/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/diazomethane-334-88-3/
---

Hazard search

# Diazomethane

CAS number

334-88-3

Also known as

Azimethylene · Diazirine

## UK workplace exposure limits

Our data hold no UK limit for this substance.

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **NIOSH 2515** | Active (pump) |  | GC-FID | [226-23](https://analyt-mtc.com/catalog/product/skc-xad-sorbent-tubes/#part-226-23) |
| **NIOSH 2515** / GC-FID / [Method document (opens in a new tab)](https://www.cdc.gov/niosh/docs/2003-154/pdfs/2515.pdf) | Active (pump) | Sorbent Tube |  | [225-23](https://analyt-mtc.com/catalog/product/filter-supports/#part-225-23) |

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/)