Synonyms: 1,3-Benzenediol,4,6-diamino-, dihydrochloride (9CI); Resorcinol, 4,6-diamino-, dihydrochloride(8CI); 1,3-Diamino-4,6-dihydroxybenzene dihydrochloride;4,6-Diamino-1,3-benzenediol dihydrochloride; 4,6-Diaminoresorcindihydrochloride; 4,6-Diaminoresorcinol dihydrochloride;6-Dihydroxy-m-phenylenediamine dihydrochloride