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Isocyanates


Isocyanates are a class of compounds that contain isocyanate group with the formula R−N=C=O. They are usually produced from amines by phosgenation via intermediacy of a carbamoyl chloride. Another route to isocyanates entails addition of isocyanic acid to alkenes or displacement reactions involving alkyl halides and alkali metal cyanates. Three rearrangement reactions involving nitrenes give isocyanates, Schmidt reaction, Curtius and Lossen rearrangement. As a good electrophiles they are reactive toward a variety of nucleophiles including alcohols, amines, and even water. They can undergo cyclization reactions and Hofmann rearrangement. Diisocyanates are widely used in industrial production of polyurethanes, organic polymers with application as different type of foams, surface coatings, adhesives, and fibres.

Product nameStructureCAS#G-code
n-Butyl isocyanatoacetateStructure of n-Butyl isocyanatoacetate[17046-22-9]GEO-03693
4-tert-Butylphenyl isocyanateStructure of 4-tert-Butylphenyl isocyanate[1943-67-5]GEO-02564
3-Carbomethoxyphenyl isocyanateStructure of 3-Carbomethoxyphenyl isocyanate[41221-47-0]GEO-00638
Chloroacetyl isocyanateStructure of Chloroacetyl isocyanate[4461-30-7]GEO-02756
4-Chlorobenzenesulfonyl isocyanateStructure of 4-Chlorobenzenesulfonyl isocyanate[5769-15-3]GEO-00652
5-Chloro-2,4-dimethoxyphenyl isocyanateStructure of 5-Chloro-2,4-dimethoxyphenyl isocyanate[55440-55-6]GEO-02612
2-Chloroethyl isocyanateStructure of 2-Chloroethyl isocyanate[1943-83-5]GEO-03982
3-Chloro-4-fluorophenyl isocyanateStructure of 3-Chloro-4-fluorophenyl isocyanate[50529-33-4]GEO-00683
4-Chloro-2-fluorophenyl isocyanateStructure of 4-Chloro-2-fluorophenyl isocyanate[51163-28-1]GEO-03222
2-Chloro-3-fluorophenyl isocyanateStructure of 2-Chloro-3-fluorophenyl isocyanate[93110-05-5]GEO-00682
1-Chloro-4-isocyanatonaphthaleneStructure of 1-Chloro-4-isocyanatonaphthalene[260253-33-6]GEO-04558
2-Chloro-5-isocyanatopyridineStructure of 2-Chloro-5-isocyanatopyridine[125117-96-6]GEO-00694
2-Chloro-4-isocyano-1-methoxybenzeneStructure of 2-Chloro-4-isocyano-1-methoxybenzene[920524-21-6]GEO-04064
4-Chloro-2-methylphenylisocyanateStructure of 4-Chloro-2-methylphenylisocyanate[37408-18-7]GEO-03253
5-Chloro-2-methylphenyl isocyanateStructure of 5-Chloro-2-methylphenyl isocyanate[40411-27-6]GEO-00725
4-Chloro-3-methylphenyl isocyanateStructure of 4-Chloro-3-methylphenyl isocyanate[51488-20-1]GEO-00724
4-(Chloromethyl)phenyl isocyanateStructure of 4-(Chloromethyl)phenyl isocyanate[29173-65-7]GEO-00744
2-(Chloromethyl)phenyl isocyanateStructure of 2-(Chloromethyl)phenyl isocyanate[52986-66-0]GEO-00722
2-Chloro-6-methylphenyl isocyanateStructure of 2-Chloro-6-methylphenyl isocyanate[40398-01-4]GEO-00721
3-Chloro-4-methylphenyl isocyanateStructure of 3-Chloro-4-methylphenyl isocyanate[28479-22-3]GEO-00723