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Home/Compounds/Dye & Pigment/Direct black 19
C34H27N13Na2O7S2
839.8 g/mol
Dye & Pigment

C.I. Direct Black 19, disodium salt

CAS6428-31-5EC229-208-1
Category
Dye & Pigment
Compound Class
Amine
Primary Use
Direct dye for textiles

C. I.

Direct dye for textiles

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

StrongStructure SimilarSimilarity 0.87

Direct Black 38

CAS1937-37-7

direct dye for textiles

SimilarStructure SimilarSimilarity 0.76

Acid Black 234

CAS157577-99-6

acid dye for textiles

ApplicationSame Use

Direct Blue 6

CAS2602-46-2

Direct dye for textiles

ApplicationSame Use

Direct Black 22

CAS6473-13-8

Direct dye for textiles

ApplicationSame Use

C.I. Direct Black 32

CAS6428-38-2

Direct dye for textiles

ApplicationSame Use

Trisodium 4-((1-hydroxy-6-((((5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl)amino)carbonyl)amino)-3-sulphonato-2-naphthyl)azo)benzoate

CAS6598-63-6

Direct dye for textiles

ReferenceSame Category

Rhodamine 101

CAS64339-18-0

fluorescent dye

ReferenceSame Category

P-Anisidine-2-sulfonic acid

CAS6470-17-3

Intermediates for specialty dyes

Identifiers
IUPAC Name

disodium;4-amino-3,6-bis[[4-[(2,4-diaminophenyl)diazenyl]phenyl]diazenyl]-5-hydroxynaphthalene-2,7-disulfonate

InChIKey

UZZFFIUHUDOYPS-UHFFFAOYSA-L

SMILES

C1=CC(=CC=C1N=NC2=C(C=C(C=C2)N)N)N=NC3=C(C4=C(C(=C(C=C4C=C3S(=O)(=O)[O-])S(=O)(=O)[O-])N=NC5=CC=C(C=C5)N=NC6=C(C=C(C=C6)N)N)N)O.[Na+].[Na+]

Synonyms (64)
  • Artificial Silk Black G
  • Artificial Silk Black GN
  • Artificial Silk Black GR
  • BALI Viscose Black G
  • BALI Viscose Black N
  • Bencidal Fast Black G
  • Benzanil Fast Black G
  • Benzo Fast Black G
  • Benzoform Black RRA-CF
  • C.I. Direct Black 19
  • C.I. Direct Black 19 (VAN)
  • CERN prima 19
  • CERN prima 19 [Czech]
  • Chlorazol Viscose Black B
  • Chrome Leather Black GNA
  • Columbia Fast Black G
  • Columbia Fast Black GB
  • Coranil Direct Black B
  • Cutamin Black CG
  • DIRECT BLACK 19
  • Daiwa Black 320H
  • Diamine Fast Black B
  • Diaphtamine Fast Black KG
  • Direct Fast Black G
  • Direct Fast Black GU
  • Direct Fast Black SA
  • Direct Rayon Black KSG
  • Direct Rayon Black KSQ
  • Fenamin Black GR
  • Formal Fast Black 2B
  • Hispamin Fast Black CG
  • Indoblack GR
  • Kayarus Black G
  • Kayarus Black G conc.
  • Orient P 200
  • Orient Water Black 100L
  • Orient Water Black 200L
  • 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 200L
  • Water Black P 200