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Acid Yellow 21

Name:C.I.Acid Yellow 21,C.I.14230

Molecular Structure: Single azo class

C.I.Acid Yellow 21,C.I.14230,CAS 6408-97-5,364.35,C17H13N2NaO4S,Acid Light Yellow JR

C.I.Acid Yellow 21,C.I.14230,CAS 6408-97-5,364.35,C17H13N2NaO4S,Acid Light Yellow JR

Molecular Formula:C17H13N2NaO4S

Molecular Weight: 364.35

CAS Registry Number:6408-97-5

Manufacturing Methods : 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

List of Suppliers:

Acid Light Yellow JR ( Francolor Pigments SA )


One Response to “Acid Yellow 21”

  1. […] Methods : C.I. Acid Yellow 121 (C.I. 18690) method: 2-Aminobenzoic acid diazo, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one  […]

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