sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonate

CAS NO.：3058-98-8
Empirical Formula: C23H20N3NaO6S2
Molecular Weight: 521.54
MDL number: MFCD03096205
EINECS: 221-298-0
Update Date: 2025-12-31 14:38:37

What is sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonate?

Preparation

5-Amino-2-methyl-N-phenylbenzenesulfonamide?diazo, coupled with the 4-Hydroxynaphthalene-1-sulfonic acid.

Properties and Applications

red light orange. Soluble in water for palm orange, slightly soluble in ethanol and acetone, insoluble in other organic solvents. The strong sulfuric acid for purple, orange and brown after diluted to appear red purple precipitation. In water solution to join strong hydrochloric acid for orange brown; Add thick sodium hydroxide solution in red. Copper, iron ion in color shade darker. This product used for wool, silk, polyamide fiber and its blended fabric dyeing and printing, also can be used for leather color.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
Standard	Light Fastness	Fading	Stain	Persperation Fastness	Fading	Stain	Fading	Stain
ISO	4-5	3	2	3	1	2	3	3
AATCC	4	2	2	2-3	1	1	3	3

Properties of sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonate

EPA Substance Registry System

1-Naphthalenesulfonic acid, 4-hydroxy-3-[[4-methyl-3-[(phenylamino)sulfonyl]phenyl]azo]-, monosodium salt (3058-98-8)

Safety information for sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonate

Computed Descriptors for sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonate

New Products

Cyclobutanone (R)-(-)-2-Amino-1-propanol Fmoc-OSu 5-bromo-4-fluoro-2-nitrobenzaldehyde 2-Amino-2-(4-methylphenyl)acetic acid 1-(2-Chloroethyl)pyrrolidine Hydrochloride 2,4-Dihydroxybenzaldehyde Obidoxime hydrochloride API Pyrrolo[1,2-a]pyrimidine-6-carboxylic acid, 4,6,7,8-tetrahydro-4-oxo-, sodium salt (1:1), (6S) Dipropyl disulfide N-Vinylformamide 4 pentyn 1 ol Methacrylate-PEG-Methacrylate, Mn:35000 2,4-Dihydroxyacetophenone 2-Chloro 5-Fluoro Pyridine Vasicinone 2-Chloroisonicotinic Acid Tween 80 or Polysorbate 80 2-Butyn-1-oL N-(4-fluoro-2-methoxy-5-nitrophenyl)-4-(1-methyl-1H-indol-3-yl)pyrimidin-2-amine Pirtobrutinib intd. 2-Pentyn-1-oL 4-Nitrobenzotrifluoride N-(4-Cyano-3-(trifluoromethyl)phenyl)-2-methyloxirane-2-carboxamide

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