Direct Black 19

disodium 4-amino-3,6-bis[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate Black G Atul Direct Black VG Benzo Fast Black G Condires Black AN Kayarus Black G Sumilight Black G Tertrodirect Viscose Black GTN Vicorect Black FB. Direct Black 19 2,7-Naphthalenedisulfonic acid, 4-amino-3,6-bis4-(2,4-diaminophenyl)azophenylazo-5-hydroxy-, disodium salt RIFAZOLBLACKGR Direct black 19 (C.I. 35255) 1-Hydroxy-8-amino-2,7-bis[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-3,6-naphthalenedisulfonic acid disodium salt 4-Amino-3,6-bis[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulfonic acid disodium salt C.I.35255 C.I.Direct Black 19:C.I.35255 Direct Fast Black G (C.I. Direct Black 19) Direct Black 19 ISO 9001：2015 REACH DIRECT BLACK 19 LIQUID 2,7-Naphthalenedisulfonic acid, 4-amino-3,6-bis[2-[4-[2-(2,4-d iaminophenyl)diazenyl]phenyl]diazenyl]-5 -hydroxy-, sodium salt (1:2) Direct black RN Direct Black 19, DIrect Fast Black G 4-Amino-3,6-bis((4-((2,4-diaminophenyl)diazenyl)phenyl)diazenyl)-5-hydroxynaphthalene-2,7-disulfonic acid, sodium salt 6428-31-5 C34H27Na2O7S2 C34H27N13Na2O7S2 C34H27N13O7S22Na C34H27N13Na2S2O7 Organics Dyes and Pigments