---
title: "Nitromethane (75-52-5): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/nitromethane-75-52-5/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/nitromethane-75-52-5/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/nitromethane-75-52-5/
---

Hazard search

# Nitromethane

CAS number

75-52-5

Also known as

Nitrocarbol

## UK workplace exposure limits

| Limit | Value | Applies to |
| --- | --- | --- |
| 8-hour TWA | 100 ppm |  |
| 8-hour TWA | 254 mg/m³ |  |
| 15-minute STEL | 150 ppm |  |
| 15-minute STEL | 381 mg/m³ |  |

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **NIOSH 2527** / Nitromethane by GC -NSD / [Method document (opens in a new tab)](http://www.cdc.gov/niosh/docs/2003-154/pdfs/2527.pdf) | Active (pump) | Chromosorb 106 tube (600/300mg) | GC-NSD | [226-111A](https://analyt-mtc.com/catalog/product/skc-chromosorb-sorbent-tubes/#part-226-111a) |
| **Non-agency** / Nitromethane by Colorimetric analysis | Direct-reading | Gastec Pyrotec tube |  | [810-52](https://analyt-mtc.com/catalog/product/gastec-colour-gas-detector-tubes/#part-gst-52) |

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/)