2,7-Naphthalenedisulfonic acid, 4-amino-3-((4'-((2,4-diamino-5-methylphenyl)azo)(1,1'-biphenyl)-4-yl)azo)-5-hydroxy-6-(phenylazo)-, disodium salt 2,7-Naphthalenedisulfonic acid, 4-amino-3-((4'-((2,4-diamino-5-methylphenyl)azo)(1,1'-biphenyl)-4-yl)azo)-5-hydroxy-6-(pheylazo)-, disodium salt 2429-83-6 27177-63-5 Ahco Direct Black RW Airedale Black RWD Atlantic Black RW Azine Deep Black 3RL Azocard Black RW Bencidal Black RW Benzanil Black RW Benzo Deep Black RW Benzo Leather Black RW Black 3EMBL C.I. 30245 C.I. Direct Black 4 C.I. Direct Black 4 (VAN) C.I. Direct Black 4, disodium salt (8CI) CI 30245 CI DIRECT BLACK 4 CI Direct Black 4, disodium salt Carbide Black ER Carbide Black FC Chloramine Black E2B Chloramine Black W Chlorazol Black LF Chlorazol Black LFA Chrome Leather Black ER Chrome Leather