ChemAbout
© 2026 ChemAbout
Insights|Privacy Policy|Terms of Service|[email protected]
Home/Compounds/Dye & Pigment/Acid Orange 56
C32H22N6Na2O8S2
728.7 g/mol
Dye & Pigment

Acid Orange 56

CAS6470-20-8EC229-294-0
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
acid dye for textiles

Acid Orange 56 is a synthetic azo dye primarily used as an acid dye for textiles. It features a complex structure with multiple aromatic rings and sulfonate groups, typically supplied as a sodium salt.

acid 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.

Sourcing or supplying this compound?

List your inventory or post a purchase request

CAS 6470-20-8

List This Product
Sign in to publish supply information
Request This Product
Submit a request without registering

Related Compounds

SimilarStructure SimilarSimilarity 0.75

Acid Yellow 42

CAS6375-55-9

Acid dye for textile coloring

ApplicationSame Use

Acid Blue 277

CAS25797-81-3

acid dye for textiles

ApplicationSame Use

Acid blue 113

CAS3351-05-1

acid dye for textiles

ApplicationSame Use

Acid orange 7

CAS633-96-5

acid dye for textiles

ApplicationSame Use

Acid blue 158

CAS6370-08-7

acid dye for textiles

ReferenceSame Category

4-amino-5-methoxy-2-toluenesulfonic acid

CAS6471-78-9

intermediate for specialty dyes

ReferenceSame Category

Direct Black 22

CAS6473-13-8

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

Identifiers
IUPAC Name

disodium;2-[4-[(2-hydroxynaphthalen-1-yl)diazenyl]-2-sulfonatophenyl]-5-[(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)diazenyl]benzenesulfonate

InChIKey

JCGDEGCAEZOBSD-UHFFFAOYSA-L

SMILES

CC1=NN(C(=O)C1N=NC2=CC(=C(C=C2)C3=C(C=C(C=C3)N=NC4=C(C=CC5=CC=CC=C54)O)S(=O)(=O)[O-])S(=O)(=O)[O-])C6=CC=CC=C6.[Na+].[Na+]

Synonyms (6)
  • Acid Orange 56
  • C.I. Acid Orange 56