---
title: "Tetramethyl thiourea (2782-91-4): sampling methods"
url: https://analyt-mtc.com/tools/hazard-search/tetramethyl-thiourea-2782-91-4/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/tetramethyl-thiourea-2782-91-4/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/tetramethyl-thiourea-2782-91-4/
---

Hazard search

# Tetramethyl thiourea

CAS number

2782-91-4

Also known as

1,1,3,3-Tetramethyl-2-thiourea · Tetramethyl-2-thiourea

## UK workplace exposure limits

Our data hold no UK limit for this substance.

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **NIOSH 3505** / Tetramethyl thiourea by VIS / [Method document (opens in a new tab)](http://www.cdc.gov/niosh/docs/2003-154/pdfs/3505.pdf) | Active (pump) | Midget impinger | VAS | [225-36-1](https://analyt-mtc.com/catalog/product/skc-impingers/#part-225-36-1) / [225-22](https://analyt-mtc.com/catalog/product/biosampler/#part-225-22) |
| **Other** | Active (pump) |  | UV/Vis | [225-36-2](https://analyt-mtc.com/catalog/product/skc-impingers/#part-225-36-2) / [225-22](https://analyt-mtc.com/catalog/product/biosampler/#part-225-22) |

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/)