Acetonitrile

MeCN, ACN, Ethanenitrile, Cyanomethane, Ethyl nitrile, Methanecarbonitrile, Methyl cyanide

Acetonitrile, often abbreviated as MeCN, is the simplest organic nitrile. It appears as a colorless limpid liquid with an aromatic odor. It is volatile, reactive and flammable, very soluble in water. It is produced mainly as a byproduct of acrylonitrile manufacture.Toxic by skin absorption. Less dense than water. Vapors are denser than air.

It is produced mainly as a byproduct of acrylonitrile manufacture. Toxic by skin absorption. Less dense than water. Vapors are denser than air.

1. solvent
Acetonitrile is used as a polar aprotic solvent in organic synthesis and butadienepurification, like used as a solvent in spinning fibers and lithium batteries.
2. Intermediate
It is an important organic intermediate. Acetonitrile can undergo typical nitrile reactions and is used to prepare many typical nitrogen-containing compounds. 
Acetonitrile can be used as a solvent for the synthesis of vitamin A, cortisone, carbon amine drugs and their intermediates, and as an active medium solvent for the manufacture of vitamin B1 and amino acids. 
3. Semiconductor cleaning agent
Acetonitrile is an organic solvent with strong polarity. It has good solubility in grease, inorganic salts, organic matter and polymer compounds. It can clean grease, wax, fingerprints, corrosives and flux residues on silicon wafers. Therefore, high-purity acetonitrile can be used as a semiconductor cleaning agent. 
4. others 
It Can replace chlorinated solvents. Used in vinyl coatings, 
It also has many uses in fabric dyeing, lighting, perfume manufacturing and photosensitive material manufacturing.