---
title: "Arsine (7784-42-1): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/arsine-7784-42-1/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/arsine-7784-42-1/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/arsine-7784-42-1/
---

Hazard search

# Arsine

CAS number

7784-42-1

Also known as

Arsenic trihydride · Hydrogen arsenide

## UK workplace exposure limits

| Limit | Value | Applies to |
| --- | --- | --- |
| 8-hour TWA | 0.05 ppm |  |
| 8-hour TWA | 0.16 mg/m³ |  |

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **NIOSH 6001** / Arsine by AAS -GF / [Method document (opens in a new tab)](http://www.cdc.gov/niosh/docs/2003-154/pdfs/6001.pdf) | Active (pump) | Charcoal tube (100/50mg) | AAS-GF | [226-01](https://analyt-mtc.com/catalog/product/skc-anasorb-sorbent-tubes/) / [222-3-1](https://analyt-mtc.com/catalog/product/skc-gas-and-vapour-sampling-accessories/#part-222-3-1) |
| **OSHA 105** / Inorganic Arsenic by AAS . Note: Withdrawn but provided for historical reference only / [Method document (opens in a new tab)](https://www.osha.gov/sites/default/files/methods/id105.pdf) | Active (pump) | 0.8µm MCE filter with treated back-up pad and charcoal tube (400/200mg) |  | [225-9004](https://analyt-mtc.com/catalog/product/skc-coated-treated-filters/#part-225-9004) / [226-09](https://analyt-mtc.com/catalog/product/skc-anasorb-sorbent-tubes/) |
| **Non-agency** / Arsine by Colorimetric analysis | Direct-reading | Gastec detector tube |  | [810-19LA](https://analyt-mtc.com/catalog/product/gastec-colour-gas-detector-tubes/#part-gst-19la) |

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/)