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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
4-Acetylphenyl isocyanateStructure of 4-Acetylphenyl isocyanate[49647-20-3]GEO-00039
3-Acetylphenyl isocyanateStructure of 3-Acetylphenyl isocyanate[23138-64-9]GEO-00038
1-Adamantyl isocyanateStructure of 1-Adamantyl isocyanate[4411-25-0]GEO-00052
Benzenesulfonyl isocyanateStructure of Benzenesulfonyl isocyanate[2845-62-7]GEO-00252
Benzyl isocyanateStructure of Benzyl isocyanate[3173-56-6]GEO-00302
4-Benzyloxyphenyl isocyanateStructure of 4-Benzyloxyphenyl isocyanate[50528-73-9]GEO-02581
2-BiphenylisocyanateStructure of 2-Biphenylisocyanate[17337-13-2]GEO-00325
4-Biphenylyl isocyanateStructure of 4-Biphenylyl isocyanate[92-95-5]GEO-03730
3,5-Bis(trifluoromethyl)phenyl isocyanateStructure of 3,5-Bis(trifluoromethyl)phenyl isocyanate[16588-74-2]GEO-00369
4-Bromo-2-chloro-6-methylphenyl isocyanateStructure of 4-Bromo-2-chloro-6-methylphenyl isocyanate[77159-77-4]GEO-00407
4-Bromo-2-chlorophenyl isocyanateStructure of 4-Bromo-2-chlorophenyl isocyanate[190774-47-1]GEO-00409
2-Bromoethyl isocyanateStructure of 2-Bromoethyl isocyanate[42865-19-0]GEO-02830
2-Bromo-1-fluoro-4-(isocyanatomethyl)benzeneStructure of 2-Bromo-1-fluoro-4-(isocyanatomethyl)benzene[1186195-31-2]GEO-04021
4-Bromo-2-fluorophenyl isocyanateStructure of 4-Bromo-2-fluorophenyl isocyanate[88112-75-8]GEO-00452
3-Bromophenyl isocyanateStructure of 3-Bromophenyl isocyanate[23138-55-8]GEO-00554
4-Bromophenyl isocyanateStructure of 4-Bromophenyl isocyanate[2493-02-9]GEO-02832
4-Bromo-2-(trifluoromethyl)phenyl isocyanateStructure of 4-Bromo-2-(trifluoromethyl)phenyl isocyanate[186589-12-8]GEO-02901
1,4-ButanediisocyanateStructure of 1,4-Butanediisocyanate[4538-37-8]GEO-03216
4-n-Butoxyphenyl isocyanateStructure of 4-n-Butoxyphenyl isocyanate[28439-86-3]GEO-00606
tert-Butyl isocyanateStructure of tert-Butyl isocyanate[1609-86-5]GEO-03743