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Hydrogen Cyanide

Gas Name: 
Hydrogen Cyanide
Chemical Formula: 

HCN

Synonyms: 
Hydrocyanic Acid, Formonitrile, Prussic Acid

Product Uses, Sources & Applications

Hydrogen cyanide, a highly toxic and corrosive compound, can be used in its gaseous and/or liquid form for processes such as:

  • Mining and electroplating precious metals
  • Fumigation of pests in the food industry
  • Use as a chemical reagent in laboratories

Hazards

Toxicity
Short Term (15-minute STEL*):
4.7 ppm (skin)
Long-term (8-hr TWA*):
10 ppm (skin)
*Based on OSHA regulation. Always consult local regulations directly.
Flammability
Lower Explosive Limit (LEL):
N/A
NIOSH Pocket Guide:
View pocket guide

Physical Properties

Appearance and Odor:
Colorless with a strong, pungent odor
Relative Density (air = 1.0):
0.94

Recommendations

Sensor Type:
Electrochemical
Standard Range:
0-10 ppm or 0-30 ppm
Standard Trip Points:
4 ppm, 10 ppm
Recommended Sensor Mounting Height:
Breathing height, close proximity to source

How can Armstrong Monitoring help you?

Contact Us
Armstrong Monitoring
215 Colonnade Road South
Ottawa, Ontario, Canada
K2E 7K3
Toll Free: 
1 800 465 5777
Armstrong Monitoring
215 Colonnade Road South
Ottawa, Ontario, Canada
K2E 7K3
Toll Free: 
1 800 465 5777
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