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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
(R)-(-)-1-(1-Naphthyl)ethyl isocyanateStructure of (R)-(-)-1-(1-Naphthyl)ethyl isocyanate[42340-98-7]GEO-01991
2-Naphthyl isocyanateStructure of 2-Naphthyl isocyanate[2243-54-1]GEO-01993
3-Nitrophenyl isocyanateStructure of 3-Nitrophenyl isocyanate[3320-87-4]GEO-02022
4-Nitrophenyl isocyanateStructure of 4-Nitrophenyl isocyanate[100-28-7]GEO-03995
2-Nitrophenyl isocyanateStructure of 2-Nitrophenyl isocyanate[3320-86-3]GEO-02021
2-Nitro-4-(trifluoromethyl)phenylisocyanateStructure of 2-Nitro-4-(trifluoromethyl)phenylisocyanate[16588-70-8]GEO-03944
1-Octadecyl isocyanateStructure of 1-Octadecyl isocyanate[112-96-9]GEO-02054
4-(Octyloxy)phenyl isocyanateStructure of 4-(Octyloxy)phenyl isocyanate[32223-72-6]GEO-02065
1,5-Pentane diisocyanateStructure of 1,5-Pentane diisocyanate[4538-42-5]GEO-03739
1-Pentyl isocyanateStructure of 1-Pentyl isocyanate[3954-13-0]GEO-02093
4-Phenoxyphenyl isocyanateStructure of 4-Phenoxyphenyl isocyanate[59377-19-4]GEO-02103
2-Phenoxyphenyl isocyanateStructure of 2-Phenoxyphenyl isocyanate[59377-20-7]GEO-02102
3-Phenylpropyl isocyanateStructure of 3-Phenylpropyl isocyanate[68664-23-3]GEO-02872
2-n-Propylphenyl isocyanateStructure of 2-n-Propylphenyl isocyanate[190774-57-3]GEO-02170
Pyridine-2-isocyanateStructure of Pyridine-2-isocyanate[4737-19-3]GEO-02188
Pyridine-3-isocyanateStructure of Pyridine-3-isocyanate[15268-31-2]GEO-02189
1-Tetradecyl isocyanateStructure of 1-Tetradecyl isocyanate[4877-14-9]GEO-02243
New2-(2-Thienyl)ethyl isocyanateStructure of 2-(2-Thienyl)ethyl isocyanate[58749-51-2]GEO-04830
Toluene-2,6-diisocyanateStructure of Toluene-2,6-diisocyanate[91-08-7]GEO-02330
o-Toluenesulfonyl isocyanateStructure of o-Toluenesulfonyl isocyanate[32324-19-9]GEO-03973