Hydrogen cyanide

CAS RN: 74-90-8

Other Properties

Density: (gas) 0.941 (Air = 1); (liq) 0.687
Burns in air with a blue flame (acid)
1 mg/cu m = 0.9 ppm; 1 ppm = 1.13 mg/cu m (acid)
When not absolutely pure or stabilized, it polymerizes spontaneously with explosive violence.
Henry's Law constant = 1.33X10-4 atm-cu m/mol at 25 deg C
Hydroxyl radical reaction rate constant = 3.00X10-14 cu m/molec-sec at 25 deg C
Find more information on this substance at: PubChem, PubMed