---
title: "Diethyl sulphate (64-67-5): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/diethyl-sulphate-64-67-5/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/diethyl-sulphate-64-67-5/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/diethyl-sulphate-64-67-5/
---

Hazard search

# Diethyl sulphate

CAS number

64-67-5

Also known as

Sulphuric acid diethyl ester

## UK workplace exposure limits

| Limit | Value | Applies to |
| --- | --- | --- |
| 8-hour TWA | 0.05 ppm |  |
| 8-hour TWA | 0.32 mg/m³ |  |

### Notations

-   Carc: carcinogen
-   Sk: can be absorbed through the skin

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **MDHS 89** | Active (pump) |  | GC-MS | [226-357](https://analyt-mtc.com/catalog/product/skc-tenax-sorbent-tubes/#part-226-357) |
| **MDHS 104** / VOCs by thermal desorption and GC / [Method document (opens in a new tab)](https://www.hse.gov.uk/pubns/mdhs/pdfs/mdhs104.pdf) | Active (pump) | Tenax TD tube (250mg) |  | [226-357](https://analyt-mtc.com/catalog/product/skc-tenax-sorbent-tubes/#part-226-357) |

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/)