biodegradability of n,n-dimethylcyclohexylamine under various environmental conditions abstract n,n-dimethylcyclohexylamine (dmcha) is a widely used chemical in various industries, including as a catalyst, curing agent, and intermediate in the synthesis of other compounds. however, its environmental impact, particularly its biodegradability, has become a topic of increasing concern. this paper explores the biodegradability of dmcha under different...