2,7-NAPHTHALENEDISULFONIC ACID, 3-AMINO-4-((4'-((4-(((4-METHYLPHENYL)SULFONYL)OX 2,7-Naphthalenedisulfonic acid, 3-amino-4-((4'-((4-(((4-methylphenyl)sulfonyl)oxy)phenyl)azo)(1,1'-biphenyl)-4-yl)azo)-, disodium salt 2429-80-3 Acid Leather Orange BZR Acid Orange 45 Benzyl Fast Orange 2RN Benzyl Orange 2R Benzyl orange Brown 5R Bucacid Orange R C.I. 22195 C.I. Acid Orange 45 C.I. Acid Orange 45, disodium salt Disodium 3-amino-4-((4'-((4-(((p-tolyl)sulphonyl)oxy)phenyl)azo)(1,1'-biphenyl)-4-yl)azo)naphthalene-2,7-disulphonate EINECS 219-389-5 Elite Fast Orange R Fenafor Orange R Kca Silk Orange R Macid Milling Orange Propyl Midlon Orange Propyl Milling Fast Orange 2R Milling Fast Orange R Milling Orange R Polar Orange R Sulfonine Orange R Sulphonol Orange R Supranol Orange RA