dye|World dye variety

Name:C.I.Acid Red 176,C.I.16575

Molecular Structure: Single azo class

C.I.Acid Red 176,C.I.16575,CAS 548-80-1,513.37,C16H9N3Na2O10S2

Molecular Formula:C₁₆H₉N₃Na₂O₁₀S₂

Molecular Weight: 513.37

CAS Registry Number:548-80-1

Manufacturing Methods :  4-Nitrobenzenamine diazo, and 4,5-Dihydroxynaphthalene-2,7-disulfonic acid coupling.

Properties and Applications: blue-ray red. Soluble in water for yellow light red, not soluble in alcohol. The strong sulfuric acid for dark purple, diluted into yellow light red solution. In water solution to join hydrochloric acid solution to become yellow, add sodium hydroxide for blue-ray red.

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