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sodium 5-[(2-hydroxynaphthyl)azo]naphthalenesulphonate

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sodium 5-[(2-hydroxynaphthyl)azo]naphthalenesulphonate Basic information
Product Name:sodium 5-[(2-hydroxynaphthyl)azo]naphthalenesulphonate
Synonyms:sodium 5-[(2-hydroxynaphthyl)azo]naphthalenesulphonate;Red AR;5-[(2-Hydroxy-1-naphthalenyl)azo]-1-naphthalenesulfonic acid sodium salt;C.I.15625;C.I.Acid Red 141;sodium 5-[(2-hydroxynaphthyl)azo]naphthalenesulphonate ISO 9001：2015 REACH;C.I.Acid Red 141:C.I.15625;Acid Red 141
CAS:5850-93-1
MF:C20H14N2O4S.Na
MW:401.39
EINECS:227-460-7
Product Categories:
Mol File:5850-93-1.mol
sodium 5-[(2-hydroxynaphthyl)azo]naphthalenesulphonate Structure
sodium 5-[(2-hydroxynaphthyl)azo]naphthalenesulphonate Chemical Properties
EPA Substance Registry System1-Naphthalenesulfonic acid, 5-[(2-hydroxy-1-naphthalenyl)azo]-, monosodium salt (5850-93-1)
Safety Information
TSCA TSCA listed
MSDS Information
sodium 5-[(2-hydroxynaphthyl)azo]naphthalenesulphonate Usage And Synthesis
Preparation5-Aminonaphthalene-1-sulfonic acid diazo, and Naphthalen-2-ol coupling.
Properties and Applicationsred. Soluble in hot water for red, slightly soluble in cold water and ethanol. The strong sulfuric acid to red light purple, diluted precipitation is brown; In nitric acid solution for yellow brown; In a dilute sodium hydroxide solution for yellow brown solution. In water solution to join hydrochloric acid with brown precipitation; Add sodium hydroxide solution to become yellow.
Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 2-3 2 1 3 1 1 2 3
sodium 5-[(2-hydroxynaphthyl)azo]naphthalenesulphonate Preparation Products And Raw materials
Raw materials5-Amino-1-naphthalenesulfonic acid-->2-Naphthol
Tag:sodium 5-[(2-hydroxynaphthyl)azo]naphthalenesulphonate(5850-93-1) Related Product Information
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