---
title: "Methylacrylonitrile (126-98-7): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/methylacrylonitrile-126-98-7/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/methylacrylonitrile-126-98-7/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/methylacrylonitrile-126-98-7/
---

Hazard search

# Methylacrylonitrile

CAS number

126-98-7

Also known as

2-Cyanopropene · 2-Methyl-2-propenenitrile · Methacrylonitrile · Methylacryonitrile · α-Methylacrylonitrile

## UK workplace exposure limits

| Limit | Value | Applies to |
| --- | --- | --- |
| 8-hour TWA | 1 ppm |  |
| 8-hour TWA | 2.8 mg/m³ |  |

### Notations

-   Sk: can be absorbed through the skin

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **OSHA 37** / Acrylonitrile by GC-NPD / [Method document (opens in a new tab)](https://www.osha.gov/sites/default/files/methods/osha-37.pdf) | Active (pump) | Charcoal tube (100/50mg) | GC-NPD | [226-01](https://analyt-mtc.com/catalog/product/skc-anasorb-sorbent-tubes/) |
| **Non-agency** / Methylacrylonitrile by Colorimetric analysis | Direct-reading | Gastec Detector Tube |  | [810-192](https://analyt-mtc.com/catalog/product/gastec-colour-gas-detector-tubes/#part-gst-192) |

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/)