Other CatalystsVideodimethylcyclohexylamine/dmcha-cas: 98-94-22024-03-20by adminn,n-dimethylcyclohexylamine(nt cat pc-8) is a tertiary amine used primarily to promote the urethane (polyol-isocyanate) reaction in a wide range of rigid foam applications.n,n-dimethylcyclohexylamine is recommended for evaluation in a broad range of rigid foams.a major application is insulation foams, including spray, slabstock, board laminate, and refrigeration formulations.n,n-dimethylcyclohexylamine is also used in rigid foam furniture frame and decorative parts manufacturing. it can be batched with the polyol or metered as a separate stream.