The chemical properties of 4,4′-diaminodimethane and its importance in the dye industry 4,4′-diaminodiphenylmethane (MDA for short, English name is 4,4′-Diaminodiphenylmethane), is an important organic compound with the chemical formula C13H14N2. It is connected by two rings through a methylene group, and each ring has an amino (-NH2) substituent. The molecular structure of MDA imparts its...