chapter  108
2 Pages

Methyl Isocyanate

Synonyms: isocyanic acid methyl ester, isocyanatomethane, MIC; formula: CH3N=C=O; MW 57.05; CAS [624-83-9]; used in the manufacture of carbamate pesticides; colorless liquid with an unpleasant odor; boils at 39°C; freezes at −80°C; vapor pressure 400 torr at 20°C; density 0.96 g/mL at 20°C; vapor density 1.97 (air = 1); decomposes in water; soluble in most organic solvents; highly toxic and ammable.