dye|World dye variety

Name:C.I.Acid Orange 31,C.I.15995

Molecular Structure: Single azo class

C.I.Acid Orange 31,C.I.15995,CAS 5858-89-9,384.77,C16H10ClN2NaO4S

Molecular Formula:C₁₆H₁₀ClN₂NaO₄S

Molecular Weight: 384.77

CAS Registry Number:5858-89-9

Manufacturing Methods : 4-Chlorobenzenamine diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications: bright orange. Soluble in water and ethanol for red orange, easily soluble in soluble fiber element. In the strong sulfuric acid to orange for yellow orange after diluted. The dye solution to join 10% sulfuric acid as orange; Add 10% sodium hydroxide solution for orange brown. Used for wool, silk fiber dyeing, etc.

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