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ChemicalBook >> CAS DataBase List >>sodium 4-[[2,4-dihydroxy-3-(phenylazo)phenyl]azo]benzenesulphonate

sodium 4-[[2,4-dihydroxy-3-(phenylazo)phenyl]azo]benzenesulphonate

sodium 4-[[2,4-dihydroxy-3-(phenylazo)phenyl]azo]benzenesulphonate Structure
sodium 4-[[2,4-dihydroxy-3-(phenylazo)phenyl]azo]benzenesulphonate structure
CAS No.
5850-13-5
Chemical Name:
sodium 4-[[2,4-dihydroxy-3-(phenylazo)phenyl]azo]benzenesulphonate
Synonyms
Acid Orange 25;Acid orange 25 (C.I. 20160);C.I.Acid Orange 25:C.I.20160;sodium 4-[[2,4-dihydroxy-3-(phenylazo)phenyl]azo]benzenesulphonate;4-[(2E)-2-[(5Z)-4,6-dioxo-5-(phenylhydrazinylidene)cyclohex-2-en-1-ylidene]hydrazinyl]benzenesulfonate;sodium,4-[(2E)-2-[(5Z)-4,6-dioxo-5-(phenylhydrazinylidene)cyclohex-2-en-1-ylidene]hydrazinyl]benzenesulfonate
CBNumber:
CB9899454
Molecular Formula:
C18H14N4O5S.Na
Molecular Weight:
421.38
MDL Number:
MOL File:
5850-13-5.mol
Last updated:2026-05-28 04:40:26
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sodium 4-[[2,4-dihydroxy-3-(phenylazo)phenyl]azo]benzenesulphonate Properties

EPA Substance Registry System Benzenesulfonic acid, 4-[[2,4-dihydroxy-3-(phenylazo)phenyl]azo]-, monosodium salt (5850-13-5)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H319
Precautionary statements  P264-P280-P305+P351+P338-P337+P313P
TSCA  TSCA listed

sodium 4-[[2,4-dihydroxy-3-(phenylazo)phenyl]azo]benzenesulphonate Chemical Properties, Uses, Production

Preparation

4-Aminobenzenesulfonic acid diazo, Coupled with resorcinol, its product again with diazo of aniline coupling.

Properties and Applications

orange to red light orange. Used for wool, silk fiber dyeing etc, also used in leather dyeing.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 2-3 3 2 1 2-3

sodium 4-[[2,4-dihydroxy-3-(phenylazo)phenyl]azo]benzenesulphonate Preparation Products And Raw materials

Raw materials

Sulfanilic acid Resorcinol Aniline

Preparation Products

sodium 4-[[2,4-dihydroxy-3-(phenylazo)phenyl]azo]benzenesulphonate Suppliers

Global Suppliers ( 1)
Supplier Tel Email Country ProdList Advantage
Shaanxi Dideu Newmaterial Co., Ltd. 029-63373950 17392216152 1035@dideu.com China 9991 58
Supplier Advantage
Shaanxi Dideu Newmaterial Co., Ltd. 58

5850-13-5 (sodium 4-[[2,4-dihydroxy-3-(phenylazo)phenyl]azo]benzenesulphonate ) Related Search:

Acid Orange 33 Acid Orange 3 Benzenesulfonic acid, 2-[(1,2-dihydro-4-hydroxy-2-oxo-3-quinolinyl)azo]-5-[(4-sulfophenyl)azo]-, disodium salt disodium 8-[[4-(acetylcyclohexylamino)phenyl]azo]-7-hydroxynaphthalene-1,3-disulphonate sodium 5-[[3-(anilinosulphonyl)-4-methylphenyl]azo]naphthalene-2-sulphonate
7-Acetylamino-4-hydroxy-3-(2-sulfophenylazo)naphthalene-2-sulfonic acid disodium salt Acid Orange 24 2-Naphthalenesulfonic acid, 5-[2-(4-chlorophenyl)diazenyl]-6-hydroxy-, sodium salt (1:1) sodium 7-[(chloroacetyl)amino]-4-hydroxy-3-(phenylazo)naphthalene-2-sulphonate

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sodium 4-[[2,4-dihydroxy-3-(phenylazo)phenyl]azo]benzenesulphonate Acid orange 25 (C.I. 20160) sodium,4-[(2E)-2-[(5Z)-4,6-dioxo-5-(phenylhydrazinylidene)cyclohex-2-en-1-ylidene]hydrazinyl]benzenesulfonate 4-[(2E)-2-[(5Z)-4,6-dioxo-5-(phenylhydrazinylidene)cyclohex-2-en-1-ylidene]hydrazinyl]benzenesulfonate Acid Orange 25 C.I.Acid Orange 25:C.I.20160 5850-13-5 C18H13N4NaO5S