C44H32N13Na3O11S3
1084 g/mol
Dye & PigmentWarning
Direct black 22
CAS6473-13-8EC229-326-3
Category
Dye & Pigment
Compound Class
Other
Primary Use
Direct dye for textiles
Direct black 22 is a direct dye primarily used in the textile industry for coloring materials such as cotton and rayon. It features a complex aromatic structure with multiple sulfonate groups, enhancing its water solubility and affinity for cellulose fibers.
Dye for textilesColoring agent for cotton and rayon
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.
Sourcing or supplying this compound?
List your inventory or post a purchase request
CAS 6473-13-8
Related Compounds
SimilarStructure SimilarSimilarity 0.80
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
ApplicationSame Use
Direct Yellow 44
CAS8005-52-5
Direct dye for textiles
ApplicationSame Use
Direct Orange S
CAS3626-36-6
Direct dye for textiles
ApplicationSame Use
Direct Violet 51
CAS5489-77-0
Direct dye for textiles
ReferenceSame Category
2-[(E)-(4-Chloro-2-nitrophényl)diazényl]-N-(2-chlorophényl)-3-oxobutanamide
CAS6486-23-3
yellow pigment for industrial use
ReferenceSame Category
2-[(E)-(4-Methoxy-2-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
CAS6528-34-3
Pigment for inks and coatings
ReferenceSame Category
Pigment red 112
CAS6535-46-2
Pigment for plastics and inks
Safety Reference
Warning
H319Causes serious eye irritation
Identifiers
IUPAC Name
trisodium;6-[(2,4-diaminophenyl)diazenyl]-3-[[4-[4-[[7-[(2,4-diaminophenyl)diazenyl]-1-hydroxy-3-sulfonatonaphthalen-2-yl]diazenyl]-2-sulfonatoanilino]phenyl]diazenyl]-4-hydroxynaphthalene-2-sulfonate
InChIKey
QTFHTNFVUCUDIR-UHFFFAOYSA-K
SMILES
C1=CC(=CC=C1NC2=C(C=C(C=C2)N=NC3=C(C=C4C=CC(=CC4=C3O)N=NC5=C(C=C(C=C5)N)N)S(=O)(=O)[O-])S(=O)(=O)[O-])N=NC6=C(C=C7C=CC(=CC7=C6O)N=NC8=C(C=C(C=C8)N)N)S(=O)(=O)[O-].[Na+].[Na+].[Na+]
Synonyms (12)
- C.I. DIRECT BLACK 22
- Direct Black 22, tech.
- Direct black 22
- Formal Fast Black B