The chemical Diclofenac diethylamine has a designated molecular formula of C18H22Cl2N2O2 and a molecular weight of 369.286 g/mol. Synonyms may include: 2-((2,6-Dichlorophenyl)amino)benzeneacetic acid, compd. with N-ethylethanamine, UNII-6TGQ35Z71K, Diclofenac diethylammonium salt (ChemID).