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Home/Compounds/Dye & Pigment/Direct blue 15
C34H24N6Na4O16S4
992.8 g/mol
Dye & Pigment

DIRECT BLUE 15

CAS2429-74-5EC219-385-3
Category
Dye & Pigment
Compound Class
Amine
Primary Use
substantive dye for cotton

Direct Blue 15 is an organic compound belonging to the azo dye class. It is a dark blue, water-soluble solid and serves as a substantive dye, meaning it is directly effective for coloring cotton and other cellulosic fibers.

dyeing cottondyeing cellulosic materials

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

SimilarStructure SimilarSimilarity 0.77

Trypan blue sodium

CAS72-57-1

biological stain and dye

SimilarStructure SimilarSimilarity 0.76

Direct blue 218

CAS28407-37-6

Direct dye for cellulose and textiles

ReferenceSame Category

Malachite green oxalate (2:3)

CAS2437-29-8

Dye for textiles and biological stain

ReferenceSame Category

Disodium 8-oxido-6-sulfonaphthalene-2-sulfonate

CAS24402-46-8

dye intermediate

ReferenceSame Category

Auramine hydrochloride

CAS2465-27-2

dye for textiles and paper

ReferenceSame Category

5,5',7,7'-tetrabromoindigo

CAS2475-31-2

Vat dye for textiles

Referencesame scaffold

Direct Blue 6

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Direct dye for textiles

Referencesame scaffold

Evans blue

CAS314-13-6

biological stain dye

Identifiers
IUPAC Name

tetrasodium;5-amino-3-[[4-[4-[(8-amino-1-hydroxy-3,6-disulfonatonaphthalen-2-yl)diazenyl]-3-methoxyphenyl]-2-methoxyphenyl]diazenyl]-4-hydroxynaphthalene-2,7-disulfonate

InChIKey

OLSOUGWNONTDCK-UHFFFAOYSA-J

SMILES

COC1=C(C=CC(=C1)C2=CC(=C(C=C2)N=NC3=C(C4=C(C=C(C=C4C=C3S(=O)(=O)[O-])S(=O)(=O)[O-])N)O)OC)N=NC5=C(C6=C(C=C(C=C6C=C5S(=O)(=O)[O-])S(=O)(=O)[O-])N)O.[Na+].[Na+].[Na+].[Na+]

Synonyms (76)
  • Airedale Blue D
  • Aizen Direct Sky Blue 5B
  • Aizen Direct Sky Blue 5BH
  • Amanil Sky Blue
  • Atlantic Sky Blue A
  • Atul Direct Sky Blue
  • Azine Sky Blue 5B
  • Belamine Sky Blue A
  • Benzanil Sky Blue
  • Benzo Sky Blue A-CF
  • Benzo Sky Blue S
  • CI Direct Blue 15
  • Cartalsol Blue 2GF
  • Cartasol Blue 2GF
  • Chicago blue 4B
  • Chloramine Sky Blue 4B
  • Chloramine Sky Blue A
  • Chrome Leather Pure Blue
  • Cresotine Pure Blue
  • DIRECT BLUE 15
  • Diacotton Sky Blue 5B
  • Diamine Blue 6B
  • Diamine Sky Blue
  • Diamine Sky Blue CI
  • Diaphtamine Pure Blue
  • Diazol Pure Blue 4B
  • Diphenyl Brilliant Blue
  • Diphenyl Sky Blue 6B
  • Direct Blue 10G
  • Direct Blue HH
  • Direct Pure Blue
  • Direct Pure Blue M
  • Direct Pure Blue N
  • Direct Sky Blue
  • Direct Sky Blue 5B
  • Direct Sky Blue A
  • Enianil Pure Blue AN
  • Fenamin Sky Blue
  • Hispamin Sky Blue 3B
  • Kayafect Blue Y
  • Kayaku Direct SKH Blue 5B
  • Kayaku Direct Sky Blue 5B
  • Mitsui Direct Sky Blue 5B
  • Modr Prima 15
  • Modr Prima 15 [Czech]
  • NCI C61290
  • Naphtamine Blue 10G
  • Niagara Blue 4B
  • Niagara Sky Blue
  • Nippon Direct Sky Blue
  • Nippon Sky Blue
  • Nitsui Direct Sky Blue 5B
  • Nitto Direct Sky Blue 5B
  • Oxamine Sky Blue 5B
  • Paper Blue S
  • Phenamine Sky Blue A
  • Pontacyl Sky Blue 4BX
  • Pontamine Sky Blue 5BX
  • Pontamine sky blue 5B
  • Shikiso Direct Sky Blue 5B
  • Sky Blue 4B
  • Sky Blue 5B
  • Tertrodirect Blue F
  • Vondacel Blue HH