1937-37-7 2,7-Naphthalenedisulfonic acid, 4-amino-3-((4'-((2,4-diaminophenyl)azo)(1,1'-biphenyl)-4-yl)azo)-5-hydroxy-6-(phenylazo)-, disodium salt 4-Amino-3-((4'-((2,4-diaminophenyl)azo)-4- biphenylyl)azo)-5-hydroxy-6-(phenylazo)-2,7- naphthalenedisulfonic acid, disodium salt 61701-15-3 ATul Direct Black E Ahco Direct Black GX Airedale Black ED Aizen Direct Deep Black EH Aizen Direct Deep Black GH Aizen Direct Deep Black RH Amanil Black GL Amanil Black WD Apomine Black GK Apomine Black GX Atlantic Black BD Atlantic Black C Atlantic Black E Atlantic Black EA Atlantic Black GAC Atlantic Black GG Atlantic Black GXCW Atlantic Black GXOO Atlantic Black SD Azine Deep Black EW Azocard Black EW Azomine Black EWO Belamine Black GX Bencidal Black E Benzamil Black E Benzanil Black