A colourless liquid, Acetonitrile is used as a polar aprotic solvent in organic synthesis. The pharmaceutical industry is the largest end use for acetonitrile, using it as a reagent, reaction solvent or extraction solvent.
It is used as a starting material to synthesise vitamins A and B1, cortisone, carbonate drugs and some amino acids. It is also used as a solvent for DNA synthesis and in the production of insulin, antibiotics and products used to treat infections in the lower respiratory tract, skin tissue and bacterial septicemia.
The use of acetonitrile in pharmaceutical products for diseases has grown rapidly in recent years.