C33H22N6Na2O9S2
756.7 g/mol
Dye & PigmentWarning
Direct Orange S
CAS3626-36-6EC222-838-8
Category
Dye & Pigment
Compound Class
Other
Primary Use
Direct dye for textiles
Direct Orange S is a direct dye used primarily for coloring textiles. It is characterized by its azo and sulfonate groups, which contribute to its water solubility and affinity for cellulosic fibers.
textile dyeingcoloring cellulosic fibers
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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CAS 3626-36-6
Related Compounds
StrongStructure SimilarSimilarity 0.88
Trisodium 4-((1-hydroxy-6-((((5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl)amino)carbonyl)amino)-3-sulphonato-2-naphthyl)azo)benzoate
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Direct dye for textiles
StrongStructure SimilarSimilarity 0.88
Direct red 23
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direct dye for textiles
SimilarStructure SimilarSimilarity 0.83
Direct Red 31
CAS5001-72-9
Direct dye for textiles
SimilarStructure SimilarSimilarity 0.77
Direct red 81
CAS2610-11-9
direct dye for textiles
ApplicationSame Use
Direct Violet 51
CAS5489-77-0
Direct dye for textiles
ApplicationSame Use
C.I. Direct Violet 35
CAS6227-20-9
Direct dye for textiles
ApplicationSame Use
C.I. Direct Black 32
CAS6428-38-2
Direct dye for textiles
ApplicationSame Use
Direct Black 22
CAS6473-13-8
Direct dye for textiles
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
Identifiers
IUPAC Name
disodium;4-hydroxy-7-[(5-hydroxy-6-phenyldiazenyl-7-sulfonatonaphthalen-2-yl)carbamoylamino]-3-phenyldiazenylnaphthalene-2-sulfonate
InChIKey
DSARWKALPGYFTA-UHFFFAOYSA-L
SMILES
C1=CC=C(C=C1)N=NC2=C(C=C3C=C(C=CC3=C2O)NC(=O)NC4=CC5=CC(=C(C(=C5C=C4)O)N=NC6=CC=CC=C6)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]
Synonyms (58)
- Airedale Orange SED
- Aizen Primula Orange SH
- Atlantic Fast Orange S
- Benzanil Fast Orange SE
- Benzo Fast Orange S
- Benzo Orange S
- Benzo Viscose Orange RL
- Brillant Orange
- Brilliant Direct Orange
- Brilliant Direct Orange A-CF
- C.I. Direct Orange 26
- C.I. Direct Orange 26 (VAN)
- Calcomine Fast Orange 2R
- Chloramine Fast Orange S
- Chloramine Fast Orange SE
- Chlorazol Fast Orange R
- Chrome Leather Orange SE
- Diacotton Fast Orange S
- Diamine Fast Orange S
- Diaphtamine Fast Orange S
- Diazol Fast Orange S
- Diazol Fast Orange SS
- Diphenyl Fast Orange SE
- Diphenyl Orange SE
- Direct Brilliant Orange
- Direct Fast Orange MS
- Direct Fast Orange S
- Direct Fast Orange SE
- Direct Fast Orange SN
- Direct Orange 26
- Direct Orange 26, tech.
- Direct Orange A
- Direct Orange S
- Enianil Brilliant Orange S
- Erie Fast Orange A
- Fast Orange S
- Fast Paper Orange SO
- Fenamin Orange A
- Hispamin Fast Orange S
- Kayaku Direct Fast Orange S
- Mitsui Direct Fast Orange S
- Nippon Fast Orange S
- Nyanza Fast Orange S
- Paramine Fast Orange S Extra
- Paramine Fast Orange S New
- Phenamine Brilliant Orange A
- Pheno Fast Orange 2RS
- Pontamine Fast Orange S
- Tertrodirect Orange S
- Vondacel Orange SN