---
title: "Hydrogen selenide (7783-07-5): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/hydrogen-selenide-7783-07-5/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/hydrogen-selenide-7783-07-5/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/hydrogen-selenide-7783-07-5/
---

Hazard search

# Hydrogen selenide

CAS number

7783-07-5

Also known as

Dihydrogen selenide · Dihydrogen selenide (as Se) · Selenium hydride

## UK workplace exposure limits

| Limit | Value | Applies to |
| --- | --- | --- |
| 8-hour TWA | 0.02 ppm |  |
| 8-hour TWA | 0.07 mg/m³ |  |
| 15-minute STEL | 0.05 ppm |  |
| 15-minute STEL | 0.17 mg/m³ |  |

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **OSHA CSI** | Active (pump) |  | AA | [225-36-2](https://analyt-mtc.com/catalog/product/skc-impingers/#part-225-36-2) / [225-36-5](https://analyt-mtc.com/catalog/product/skc-impingers/#part-225-36-5) / [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/)