AIBN MSDS PDF

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This white powder is soluble in alcohols and common organic solvents but is insoluble in water. It is often used as a foamer in plastics and rubber and as a radical initiator. In its most characteristic reaction, AIBN decomposes , eliminating a molecule of nitrogen gas to form two 2-cyanopropyl radicals:. These radicals can initiate free-radical polymerizations and other radical-induced reactions. For instance, a mixture of styrene and maleic anhydride in toluene will react if heated, forming the copolymer upon addition of AIBN.

Another example of a radical reaction that can be initiated by AIBN is the anti-Markovnikov hydrohalogenation of alkenes. AIBN is produced from acetone cyanohydrin and hydrazine , then followed by oxidation: [1]. Water-soluble azo initiators are also available. AIBN is safer to use than benzoyl peroxide another radical initiator because the risk of explosion is far less.

A respirator dust mask, protective gloves and safety glasses are recommended. Pyrolysis of AIBN without a trap for the formed 2-cyanopropyl radicals results in the formation of tetramethylsuccinonitrile , which is highly toxic. From Wikipedia, the free encyclopedia. CAS Number. Interactive image. PubChem CID. Chemical formula. Solubility in water.

GHS hazard statements. GHS precautionary statements. Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. Categories : Azo compounds Polymer chemistry Reagents for organic chemistry Radical initiators. Namespaces Article Talk. Views Read Edit View history. In other projects Wikimedia Commons. By using this site, you agree to the Terms of Use and Privacy Policy. EC Number. GHS Signal word. H , H , H , H

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2,2'-Azobis(isobutyronitrile)

This white powder is soluble in alcohols and common organic solvents but is insoluble in water. It is often used as a foamer in plastics and rubber and as a radical initiator. In its most characteristic reaction, AIBN decomposes , eliminating a molecule of nitrogen gas to form two 2-cyanopropyl radicals:. These radicals can initiate free-radical polymerizations and other radical-induced reactions. For instance, a mixture of styrene and maleic anhydride in toluene will react if heated, forming the copolymer upon addition of AIBN. Another example of a radical reaction that can be initiated by AIBN is the anti-Markovnikov hydrohalogenation of alkenes. AIBN is produced from acetone cyanohydrin and hydrazine , then followed by oxidation: [1].

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Azobisisobutyronitrile (AIBN)

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