CAS: 6428-31-5 - Direct Black 19

Formula: C₃₄H₂₉N₁₃O₇S₂·2Na

InChI: InChI=1S/C34H29N13O7S2.2Na/c35-18-1-11-26(24(37)15-18)44-40-20-3-7-22(8-4-20)42-46-32-28(55(49,50)51)13-17-14-29(56(52,53)54)33(34(48)30(17)31(32)39)47-43-23-9-5-21(6-10-23)41-45-27-12-2-19(36)16-25(27)38;;/h1-16,48H,35-39H2,(H,49,50,51)(H,52,53,54);;

InChI key: InChIKey=JUXVLJKHWACNJB-UHFFFAOYSA-N

SMILES: [Na].O=S(=O)(O)C1=CC2=CC(=C(N=NC3=CC=C(N=NC4=CC=C(N)C=C4N)C=C3)C(N)=C2C(O)=C1N=NC5=CC=C(N=NC6=CC=C(N)C=C6N)C=C5)S(=O)(=O)O

Synonyms:

• (3E)-5-amino-6-[(E)-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}diazenyl]-3-(2-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}hydrazinylidene)-4-oxo-3,4-dihydronaphthalene-2,7-disulfonic acid
• 2,7-Naphthalenedisulfonic acid, 4-amino-3,6-bis[2-[4-[2-(2,4-diaminophenyl)diazenyl]phenyl]diazenyl]-5-hydroxy-, sodium salt (1:2)
• 2,7-Naphthalenedisulfonic acid, 4-amino-3,6-bis[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxy-, disodium salt
• Artificial Silk Black G
• Artificial Silk Black GN
• Artificial Silk Black GR
• Atlantic Artificial Silk Black G
• Bali Viscose Black G
• Bali Viscose Black N
• Bencidal Fast Black G
• Benzanil Fast Black G
• Benzo Fast Black G
• Benzoform Black RRA-CF
• Bonjet Black 891L
• Chlorazol Viscose Black B
• Chrome Leather Black GNA
• Cibafix Direct Black 19
• Columbia Fast Black G
• Columbia Fast Black GB
• Coranil Direct Black B
• Cutamin Black CG
• Daiwa Black 320H
• Diamine Fast Black B
• Diaphtamine Fast Black KG
• Direct Artificial Silk Black G
• Direct Black G
• Direct Black L 3BG
• Direct Fast Black G
• Direct Fast Black GU
• Direct Fast Black SA
• Direct Lightfast Black G
• Direct Rayon Black KSG
• Fenamin Black GR
• Formal Fast Black 2B
• Hispamin Fast Black CG
• Indoblack GR
• Kayafect Black LW
• Kayarus Black G
• Kayarus Black G Conc.
• Orient P 200
• Orient Water Black 100L
• Orient Water Black 108L
• Orient Water Black 200L
• Orient Water Black 7
• Orient Water Black L 200
• Phenamine Viscose Black RR
• Pyrazol Fast Black GS
• Rayon Black G
• Rayon Black GSN
• Rayon Black M
• Rayon Fast Black B
• Solar Black G
• Sumilight Black G
• Tertrodirect Black V
• Tetrazo Deep Black GC Extra
• Visco Black N
• Viscose Black G
• Viscose Black GNA
• Viscose Black J
• Viscose Black N
• Viscose Black NG
• Vondacel Black VG
• Vondacel Black VN
• Water Black 100
• Water Black 100L
• Water Black 108L
• Water Black 200L
• Water Black 7
• Water Black L 200
• Water Black P 200
• disodium (3E)-5-amino-6-[(E)-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}diazenyl]-3-(2-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}hydrazinylidene)-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate
• C.I. Direct Black 19, disodium salt
• C.I. 35255

2,7-Naphthalenedisulfonic acid,4-amino-3,6-bis[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxy-,disodium salt

CAS: 6428-31-5

• Formula: C₃₄H₂₉N₁₃NaO₇S₂
• Purity: 98%
• Molecular weight: 818.7967

Direct Black 19

CAS: 6428-31-5

Direct Black 19 is a polymer that is a reactive dye. It is a cationic …

• Formula: C₃₄H₂₇N₁₃O₇S₂•Na₂
• Purity: Min. 95%
• Molecular weight: 839.77 g/mol