introduction n,n-dimethylcyclohexylamine (dmcha), also known as n,n-dimethylcyclohexanamine, is a tertiary amine characterized by a cyclohexane ring substituted with two methyl groups on the nitrogen atom. this compound serves as a versatile chemical intermediate in various industrial applications, notably as a catalyst in polyurethane foam production, a reagent in organic synthesis, and an additive in lubricating...