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Acetonitrile is the chemical compound with the formula CH3CN. This colourless liquid is the simplest organic nitrile (hydrogen cyanide is a simpler nitrile, but the cyanide anion is not classed as organic)
A 1287 (OTTO) Acetonitrile, GR 99%+ Cas 75-05-8 - used mainly as a solvent in the purification of butadiene in refineries.