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ChemicalBook CAS DataBase List Isophorone diisocyanate
4098-71-9

Isophorone diisocyanate synthesis

6synthesis methods
Isophorone diisocyanate (IPDI) is prepared by the phosgenation of isophorone diamine (l-amino-3-aminomethyl-3,5,5-trimethylcydohexane):

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Yield:4098-71-9 99.9%

Steps:

2 Example 2

Example 2 1.26 mol per hour of 1-amino-3,3,5-trimethyl-5-amino-methylcyclohexane were reacted with 5.91 mol per hour of phosgene under the process conditions of Example 1, using 1.25 mol per hour of nitrogen as diluent for the diamine. 1-isocyanato-3,3,5-trimethyl-5-isocyanatomethyl-cyclohexane was obtained in a yield of 99.9%.

References:

US4847408,1989,A

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