Hydrogen Cyanide (HCN)
CAS ID #: 74-90-8, 143-33-9,000151-50-8,000592-01-8, 000544-92-3, 506-61-6, 0460-19-5, 506-77-4
Affected Organ Systems: None
Cancer Classification: None
Chemical Classification: Inorganic substances
Summary: hydrogen cyanide is a colorless or pale-blue liquid (hydrocyanic acid); at higher temperatures, it is a colorless gas. Hydrogen cyanide is very volatile, producing potentially lethal concentrations at room temperature. The vapor is flammable and potentially explosive. Hydrogen cyanide has a faint, bitter almond odor and a bitter, burning taste. It is soluble in water and is often used as a 96% aqueous solution.
Publication intended to aid emergency department physicians and other emergency healthcare professionals who manage acute exposures resulting from chemical incidents.
- Page last reviewed: March 3, 2011
- Page last updated: March 3, 2011
- Content source: Agency for Toxic Substances and Disease Registry