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Home/Compounds/Dye & Pigment/Reactive Orange 4
C24H13Cl2N6Na3O10S3
781.5 g/mol
Dye & PigmentDanger

Reactive Orange 4

CAS70616-90-9EC274-701-7
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
Textile reactive dye

Reactive Orange 4 is a textile reactive dye used for coloring cellulosic fibers. It features a complex azo structure with sulfonate groups that enable covalent bonding with the substrate.

Dyeing of cotton and other cellulosic fibersTextile coloration in the reactive dyeing process

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 70616-90-9

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Related Compounds

StrongStructure SimilarSimilarity 0.89

Reactive Orange 13

CAS70616-89-6

Reactive dye for textiles

ReferenceSame Category

Acid Yellow 220

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acid dye for textiles

ReferenceSame Category

Acid Yellow 199

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acid dye for textiles

ReferenceSame Category

Cuprate(3-), (3-((5-(hydroxy-kappaO)-4-((1-(hydroxy-kappaO)-6-(phenylamino)-3-sulfo-2-naphthalenyl)azo-kappaN1)-2-methylphenyl)azo)-1,5-naphthalenedisulfonato(5-))-, trisodium

CAS70956-20-6

Direct dye for textile coloring

ReferenceSame Category

Fluorescent brightener 184

CAS7128-64-5

optical brightener

Safety Reference

Harmful
Harmful
Health Hazard
Health Hazard
Environmental Hazard
Environmental Hazard
Danger
H317May cause an allergic skin reaction
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H412Harmful to aquatic life with long lasting effects
Identifiers
IUPAC Name

trisodium;2-[[6-[(4,6-dichloro-1,3,5-triazin-2-yl)-methylamino]-1-hydroxy-3-sulfonatonaphthalen-2-yl]diazenyl]naphthalene-1,5-disulfonate

InChIKey

ARXWHYHTMGGNST-UHFFFAOYSA-K

SMILES

CN(C1=CC2=CC(=C(C(=C2C=C1)O)N=NC3=C(C4=C(C=C3)C(=CC=C4)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-])C5=NC(=NC(=N5)Cl)Cl.[Na+].[Na+].[Na+]

Synonyms (6)
  • C.I. Reactive Orange 4
  • Reactive Orange 4