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

sodium 5-[(2-hydroxynaphthyl)azo]naphthalenesulphonate  Structure
sodium 5-[(2-hydroxynaphthyl)azo]naphthalenesulphonate
  • CAS No.5850-93-1
  • Chemical Name:sodium 5-[(2-hydroxynaphthyl)azo]naphthalenesulphonate
  • CBNumber:CB2909422
  • Molecular Formula:C20H13N2NaO4S
  • Formula Weight:400.38299
  • MOL File:5850-93-1.mol
sodium 5-[(2-hydroxynaphthyl)azo]naphthalenesulphonate Property
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal word
  • Hazard statements
  • Precautionary statements

sodium 5-[(2-hydroxynaphthyl)azo]naphthalenesulphonate Chemical Properties,Usage,Production

  • Preparation 5-Aminonaphthalene-1-sulfonic acid diazo, and Naphthalen-2-ol coupling.
  • Properties and Applications red. 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 materials
Preparation Products
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5850-93-1, sodium 5-[(2-hydroxynaphthyl)azo]naphthalenesulphonate Related Search:
  • sodium 5-[(2-hydroxynaphthyl)azo]naphthalenesulphonate
  • Acid Red 141
  • Red AR
  • 5-[(2-Hydroxy-1-naphthalenyl)azo]-1-naphthalenesulfonic acid sodium salt
  • C.I.15625
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  • sodium 5-[(2-hydroxynaphthyl)azo]naphthalenesulphonate ISO 9001:2015 REACH
  • C.I.Acid Red 141:C.I.15625
  • 5850-93-1