English name:Acetonitrile Alias:Methyl cyanide [Flammable liquid] in the flash point of liquid [Chemical structure] CH3NH [Chemical characteristics]
Colorless liquid, with aromatic smells, toxic air in the maximum allowable concentration of 40ppm. Rat lethal dose by half from 200 to 453.2 mg / kg, the goods will polymer into dimer and trimer can be dissolved in water and alcohol, relative density: 0.7868 (20/20 ° C) Melting point: -45 ° C boiling point: 81.1 ° C flash point: 5.56 ° C (open cup) self-ignition point: 525 ° C Explosive Limit: 4.4% ~ 16% heat of combustion value: 1266 kJ / mole [Limit parameter]
(Liquid, 20 ° C) vapor pressure of 13.33 kPa (27 ° C) critical temperature: 274.7 ° C Critical pressure: 4833 kPa [Fire]
Toxic, flammable, and air can form explosive mixtures, when fire, high temperature, the strong oxidizer combustion explosion hazard, and sulfuric acid, oleum, chlorosulfonic acid, such as perchlorate reacted strongly. [Disposal methods] Foam, carbon dioxide, sand.