---
title: "Ammonium hydroxide (1336-21-6): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/ammonium-hydroxide-1336-21-6/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/ammonium-hydroxide-1336-21-6/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/ammonium-hydroxide-1336-21-6/
---

Hazard search

# Ammonium hydroxide

CAS number

1336-21-6

Also known as

Ammonium hydrate · Aqueous ammonia

## UK workplace exposure limits

Our data hold no UK limit for this substance.

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **NIOSH 6015** / Ammonia by VIS / [Method document (opens in a new tab)](http://www.cdc.gov/niosh/docs/2003-154/pdfs/6015REV.pdf) | Active (pump) | Coated silica gel tube (200/100mg) with prefilter |  | [226-10-06](https://analyt-mtc.com/catalog/product/skc-silica-gel-sorbent-tubes/#part-226-10-06) / [225-2-01](https://analyt-mtc.com/catalog/product/cassette-and-filter-storage/#part-225-2-01) |
| **NIOSH 6016** / Ammonia by IC / [Method document (opens in a new tab)](https://www.cdc.gov/niosh/docs/2003-154/pdfs/6016.pdf) | Active (pump) | Coated silica gel tube (200/100mg) with prefilter |  | [226-10-06](https://analyt-mtc.com/catalog/product/skc-silica-gel-sorbent-tubes/#part-226-10-06) / [225-2-01](https://analyt-mtc.com/catalog/product/cassette-and-filter-storage/#part-225-2-01) |

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)