---
title: "Azodicarbonamide (123-77-3): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/azodicarbonamide-123-77-3/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/azodicarbonamide-123-77-3/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/azodicarbonamide-123-77-3/
---

Hazard search

# Azodicarbonamide

CAS number

123-77-3

Also known as

1,1'-Azobisformamide · Diazenedicarboxamide

## UK workplace exposure limits

| Limit | Value | Applies to |
| --- | --- | --- |
| 8-hour TWA | 1 mg/m³ |  |
| 15-minute STEL | 3 mg/m³ |  |

### Notations

-   Sen: can cause sensitisation

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **MDHS 92/2** / Azodicarbonamide by HPLC / [Method document (opens in a new tab)](https://www.hse.gov.uk/pubns/mdhs/pdfs/mdhs92-2.pdf) | Active (pump) | IOM with SS cassette & glass fibre filter | HPLC | [225-79A](https://analyt-mtc.com/catalog/product/iom-sampler/#part-225-79a) / [225-58F](https://analyt-mtc.com/catalog/product/glass-fibre-depth-filters/#part-225-58f) |

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/)