ABSTRACT
Formula: HCN; MW 27.03; CAS [74-90-8]; occurs in the root of certain plants, beet sugar residues, coke oven gas, and tobacco smoke; released during combustion of wool, polyurethane foam, and nylon; produced when metal cyanides react with dilute mineral acids; colorless or pale liquid or a gas; odor of bitter almond; boils at 25.6°C; solidi es at −13.4°C; density of liquid 0.69 g/mL at 20°C and gas 0.95 (air = 1) at 31°C; soluble in water and alcohol, very weakly acidic; dangerously toxic and highly ammable (Patnaik, 2007).
