news physical and chemical properties of 4,4′-diaminodiphenylmethane and its detection methods in the laboratory introduction to 4,4'-diaminodimethane 4,4′-diaminodiphenylmethane (4,4′-diaminodiphenylmethane, ref... 02/18874'-diaminodiphenylmethane and its detection methods in the laboratory Physical and chemical properties of 4