4-(p-Dimethylaminophenylazo)-benzenearsonic acid hydrochloride 73688-85-4 Arsonic acid, [4-[[4-(dimethylamino)phenyl]azo]phenyl]-, monohydrochloride Benzenearsonic acid, 4-(p-dimethylaminophenylazo)-, hydrochloride NSC148368 WLN: Q-AS-QO&R DNUNR DN1&1 &GH [4-[[4-(DIMETHYLAMINO)PHENYL]AZO]PHENYL]ARSONIC ACID, MONOHYDROCHLORIDE