---
title: "Tetrachlorophthalic anhydride (117-08-8): sampling methods"
url: https://analyt-mtc.com/tools/hazard-search/tetrachlorophthalic-anhydride-117-08-8/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/tetrachlorophthalic-anhydride-117-08-8/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/tetrachlorophthalic-anhydride-117-08-8/
---

Hazard search

# Tetrachlorophthalic anhydride

CAS number

117-08-8

Also known as

4,5,6,7-Tetrachloro-1,3-isobenzofurandione

## UK workplace exposure limits

Our data hold no UK limit for this substance.

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **MDHS 62** / Aromatic carboxylic acid anhydrides by HPLC / [Method document (opens in a new tab)](http://www.hse.gov.uk/pubns/mdhs/pdfs/mdhs62.pdf) | Active (pump) | 25mm Glass fibre filter with Tenax tube (30/15mg) | HPLC | [225-70A](https://analyt-mtc.com/catalog/product/haz-dust-7204-particulate-monitor/#part-225-70a) / [225-58F](https://analyt-mtc.com/catalog/product/glass-fibre-depth-filters/#part-225-58f) / [226-35](https://analyt-mtc.com/catalog/product/skc-tenax-sorbent-tubes/#part-226-35) |

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/)