---
title: "Methyl formate (107-31-3): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/methyl-formate-107-31-3/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/methyl-formate-107-31-3/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/methyl-formate-107-31-3/
---

Hazard search

# Methyl formate

CAS number

107-31-3

Also known as

Formic acid methyl ester · Methyl methanoate

## UK workplace exposure limits

| Limit | Value | Applies to |
| --- | --- | --- |
| 8-hour TWA | 50 ppm |  |
| 8-hour TWA | 125 mg/m³ |  |
| 15-minute STEL | 100 ppm |  |
| 15-minute STEL | 250 mg/m³ |  |

### Notations

-   Sk: can be absorbed through the skin

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **MDHS 88** / VOCs by solvent desorption and GC / [Method document (opens in a new tab)](https://www.hse.gov.uk/pubns/mdhs/pdfs/mdhs88.pdf) | Passive | Passive sampler |  | [575-001](https://analyt-mtc.com/catalog/product/skc-organic-vapour-passive-samplers/#part-575-001) / [575-002](https://analyt-mtc.com/catalog/product/skc-organic-vapour-passive-samplers/#part-575-002) |
| **OSHA PV2041** / Methyl formate by GC-FID / [Method document (opens in a new tab)](https://www.osha.gov/sites/default/files/methods/osha-pv2041.pdf) | Active (pump) | Anasorb 747 tube (400/200mg) | GC-FID | [226-83](https://analyt-mtc.com/catalog/product/skc-anasorb-sorbent-tubes/#part-226-83) |
| **Other** | Passive |  | GC-FID | [575-001](https://analyt-mtc.com/catalog/product/skc-organic-vapour-passive-samplers/#part-575-001) |

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/)