Benzene acetonitrile (benzyl cyanide or phenylacetonitrile or α-tolunitrile, chemical formula: c8h7n, commonly known as Benzyl nitrile, benzyl cyanide, benzyl cyanide, α-benzyl nitrile) is an organic compound. It is a colorless oily liquid that has a fragrant odor and is toxic. Acetonitrile can cause burns to the skin and eyes, which can be fatal if inhaled or swallowed. It also produces cyanide when it burns.