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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
3-Chloropropyl isocyanateStructure of 3-Chloropropyl isocyanate[13010-19-0]GEO-00794
4-Chloro-3-(trifluoromethyl)phenyl isocyanateStructure of 4-Chloro-3-(trifluoromethyl)phenyl isocyanate[327-78-6]GEO-00821
2-Chloro-5-(trifluoromethyl)phenyl isocyanateStructure of 2-Chloro-5-(trifluoromethyl)phenyl isocyanate[50528-86-4]GEO-00820
4-Chloro-2-(trifluoromethyl)phenyl isocyanateStructure of 4-Chloro-2-(trifluoromethyl)phenyl isocyanate[16588-69-5]GEO-00822
3-Cyanophenyl isocyanateStructure of 3-Cyanophenyl isocyanate[16413-26-6]GEO-00847
Cycloheptyl isocyanateStructure of Cycloheptyl isocyanate[4747-68-6]GEO-03217
trans-1,4-Cyclohexane diisocyanateStructure of trans-1,4-Cyclohexane diisocyanate[7517-76-2]GEO-03382
Decyl isocyanateStructure of Decyl isocyanate[1191-69-1]GEO-03778
2,4-Dibromophenyl isocyanateStructure of 2,4-Dibromophenyl isocyanate[55076-90-9]GEO-00966
3,4-Dichlorobenzyl isocyanateStructure of 3,4-Dichlorobenzyl isocyanate[19752-09-1]GEO-03254
3,4-Dichlorophenyl isocyanateStructure of 3,4-Dichlorophenyl isocyanate[102-36-3]GEO-01006
4-(Difluoromethoxy)phenyl isocyanateStructure of 4-(Difluoromethoxy)phenyl isocyanate[58417-15-5]GEO-01054
3,4-Difluorophenyl isocyanateStructure of 3,4-Difluorophenyl isocyanate[42601-04-7]GEO-01057
3,5-Difluorophenyl isocyanateStructure of 3,5-Difluorophenyl isocyanate[83594-83-6]GEO-01060
2,6-Difluorophenyl isocyanateStructure of 2,6-Difluorophenyl isocyanate[65295-69-4]GEO-01058
1,8-DiisocyanatooctaneStructure of 1,8-Diisocyanatooctane[10124-86-4]GEO-01114
1,3-DiisocyanatopropaneStructure of 1,3-Diisocyanatopropane[3753-93-3]GEO-04540
3,5-Dimethoxyphenyl isothiocyanateStructure of 3,5-Dimethoxyphenyl isothiocyanate[104968-58-3]GEO-03791
4-(Dimethylamino)phenyl isocyanateStructure of 4-(Dimethylamino)phenyl isocyanate[16315-59-6]GEO-01150
2,5-Dimethylphenyl isocyanateStructure of 2,5-Dimethylphenyl isocyanate[40397-98-6]GEO-01212