2-Naphthalenesulfonic acid, 6-[(2-hydroxy-5-methylphenyl)azo]-, monosodium salt

Product Name
2-Naphthalenesulfonic acid, 6-[(2-hydroxy-5-methylphenyl)azo]-, monosodium salt
CAS No.
6408-97-5
Chemical Name
2-Naphthalenesulfonic acid, 6-[(2-hydroxy-5-methylphenyl)azo]-, monosodium salt
Synonyms
Acid Yellow 21;C.I.Acid Yellow 21:C.I.14230;2-Naphthalenesulfonic acid, 6-[(2-hydroxy-5-methylphenyl)azo]-, monosodium salt
CBNumber
CB84769181
Molecular Formula
C17H13N2NaO4S
Formula Weight
364.35089
MOL File
6408-97-5.mol
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Hazard and Precautionary Statements (GHS)

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2-Naphthalenesulfonic acid, 6-[(2-hydroxy-5-methylphenyl)azo]-, monosodium salt Chemical Properties,Usage,Production

Preparation

6-Aminonaphthalene-2-sulfonic acid diazo, and p-Cresol coupling.

Properties and Applications

red light yellow. For yellow is soluble in water, soluble in ethanol and acetone, slightly soluble in benzene. The strong sulfuric acid to red. Used for wool, silk, vinegar fiber dyeing and printing directly. The metal salt can be used as organic pigments.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 5-6 2-3 3 2-3

2-Naphthalenesulfonic acid, 6-[(2-hydroxy-5-methylphenyl)azo]-, monosodium salt Preparation Products And Raw materials

Raw materials

Preparation Products

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2-Naphthalenesulfonic acid, 6-[(2-hydroxy-5-methylphenyl)azo]-, monosodium salt Suppliers

6408-97-5, 2-Naphthalenesulfonic acid, 6-[(2-hydroxy-5-methylphenyl)azo]-, monosodium saltRelated Search:


  • 2-Naphthalenesulfonic acid, 6-[(2-hydroxy-5-methylphenyl)azo]-, monosodium salt
  • Acid Yellow 21
  • C.I.Acid Yellow 21:C.I.14230
  • 6408-97-5