dye|World dye variety

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

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.

List of Suppliers:

Acid Light Yellow JR ( Francolor Pigments SA )