Cyanide Hazard Alert

Hazard alert poster depicts proper personal protective equipment and signs of exposure. 

Hazard Alert: Know the dangers of cyanide - download and share

Cyanide Information Sheet - download and share

Signs of exposure

  • Causes changes in breathing
  • Eye irritation, bloodshot eyes
  • Cherry red skin
  • Headache and dizziness
  • Feeling sick and throwing up
  • Change in heart rate
  • Confusion and agitation

Cyanide is a corrosive harmful chemical used industrial processes like gold extraction and in laboratories.

  • It can be a liquid, solid, or gas
  • Even a small amount can be deadly when it directly enters the body
  • Stops cells from delivering oxygen to the body
  • Ontario has a specific occupational exposure limit

Chemical-resistant personal protective equipment (PPE) must be worn 

  • Hardhat
  • Full-face respirator with a combination organic vapour, acid gas, and particulate cartridge or filter to protect against any cyanide dust in the air
  • During emergency response, use full-face-piece self-contained breathing apparatus (SCBA)
  • Totally encapsulating chemical-resistant suit or disposable coveralls (hooded, elastic cuffs, attached boots)
  • Wear clothing under disposable coverall
  • Chemical-resistant gloves (inner and outer layer)
  • Chemical-resistant boots with steel toe (optional attached boots or boot covers)

French version: Alerte de danger au cyanure : Connaître les dangers du cyanure