---
title: "Perchloric acid (7601-90-3): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/perchloric-acid-7601-90-3/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/perchloric-acid-7601-90-3/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/perchloric-acid-7601-90-3/
---

Hazard search

# Perchloric acid

CAS number

7601-90-3

Also known as

Hydronium perchlorate

## UK workplace exposure limits

Our data hold no UK limit for this substance.

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **OSHA ID 115SG** | Active (pump) |  | CLR | [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/)