Azobis(isobutyronitrile)

Azobis(isobutyronitrile) (also known as AIBN) is a common chemical compound used primarily as a free radical initiator in the production of polymers and other chemical reactions. It is a white, crystalline substance with the chemical formula C8H12N4.

Chemical Structure

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Azobis(isobutyronitrile) is composed of two isobutyronitrile groups linked by a nitrogen-nitrogen double bond, also known as an azo group. This azo group is responsible for the compound's ability to act as a free radical initiator.

Properties

Azobis(isobutyronitrile) is a white crystalline powder at room temperature. It has a melting point of 103-105°C and a boiling point of 65-70°C at 1.5 mmHg. It is soluble in alcohols, ethers, and most organic solvents, but insoluble in water.

Uses

The primary use of Azobis(isobutyronitrile) is as a free radical initiator in the production of polymers. It is also used in the manufacture of rubber, plastics, and other synthetic materials. In addition, it is used in the production of pharmaceuticals and other organic compounds.

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Safety

Azobis(isobutyronitrile) is a hazardous substance and should be handled with care. It is a strong oxidizer and can cause fires if not handled properly. It is also harmful if swallowed, inhaled, or comes into contact with skin.

See Also

• Free radical
• Polymerization
• Isobutyronitrile