Guidance

Hydrogen cyanide: health effects, incident management and toxicology

Information on hydrogen cyanide (HCN) for use in responding to chemical incidents.

• From: UK Health Security Agency
• Published: 1 July 2014
• Last updated: 14 August 2024
  Show all updates

  1. 14 August 2024

     Incident management content has been updated. General Information and Toxicological Overview have been changed from PDF to HTML - the content is otherwise unchanged.

  2. 14 August 2024

     Updated page to UKHSA. No change to content.

  3. 21 April 2020

     Replaced general information guidance PDF with HTML format.

  4. 14 August 2019

     Updated incident management document.

  5. 16 November 2016

     Updated general information document.

  6. 18 October 2016

     Uploaded hydrogen cyanide: general information.

  7. 1 June 2016

     Updated incident management advice as part of routine review.

  8. 16 February 2016

     Updated toxicological overview.

  9. 1 July 2014

     First published.

Documents

Hydrogen cyanide: general information

HTML

Hydrogen Cyanide: toxicological overview

HTML

Hydrogen cyanide: incident management

Ref: GOV-17148

PDF, 565 KB, 26 pages

Details

These documents provide information on the health effects of exposure, the chemical’s toxicity and material for responding to a chemical incident.