Synonyms:
victoria violet ; c.i.acid violet 3 ; ci 16580 ; violet 49 ; disodium 3-[(4-aminophenyl)azo]-4,5-dihydroxynaphthalene-2,7-disulphonate ; cobalt ammonium phosphate (pigment grade) ; pontacylviolet ; acid violet ; pontacyl violet 4bsn ; acid violet 4bs