---
title: "Ethylene thiourea (96-45-7): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/ethylene-thiourea-96-45-7/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/ethylene-thiourea-96-45-7/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/ethylene-thiourea-96-45-7/
---

Hazard search

# Ethylene thiourea

CAS number

96-45-7

Also known as

2-Imidazolidinethione · 2-Imidazolidinethione (ethylene thiourea) · 2-Mercaptoimidazoline · Ethylene thiourea (ETU)

## UK workplace exposure limits

Our data hold no UK limit for this substance.

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **NIOSH 5011** / Ethylene thiourea by VIS / [Method document (opens in a new tab)](http://www.cdc.gov/niosh/docs/2003-154/pdfs/5011.pdf) | Active (pump) | 5µm PVC filter in cassette | VAS | [225-802](https://analyt-mtc.com/catalog/product/gla-5000-pvc-membrane-filters/#part-225-802) / [225-803](https://analyt-mtc.com/catalog/product/gla-5000-pvc-membrane-filters/#part-225-803) / [225-1](https://analyt-mtc.com/catalog/product/aluminium-respirable-dust-cyclone/#part-225-1) / [225-3-01](https://analyt-mtc.com/catalog/product/mixed-cellulose-ester-membrane-filters/#part-225-3-01) |
| **OSHA 95** / Ethylene thiourea by HPLC/UV / [Method document (opens in a new tab)](https://www.osha.gov/sites/default/files/methods/osha-95.pdf) | Active (pump) | Two glass fibre filters in cassette | HPLC-UV | [225-706](https://analyt-mtc.com/catalog/product/glass-fibre-depth-filters/#part-225-706) / [225-1](https://analyt-mtc.com/catalog/product/aluminium-respirable-dust-cyclone/#part-225-1) / [225-724](https://analyt-mtc.com/catalog/product/glass-fibre-depth-filters/#part-225-724) |

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/)