dye|World dye variety

Name:C.I.Acid Violet 3,C.I.16580

Molecular Structure: Single azo class

C.I.Acid Violet 3,C.I.16580,CAS 1681-60-3,483.39,C16H11N3Na2O8S2,Acid 4BS

Molecular Formula:C₁₆H₁₁N₃Na₂O₈S₂

Molecular Weight: 483.39

CAS Registry Number:1681-60-3

Manufacturing Methods : (a) 4-Nitrobenzenamine diazo, and 4,5-Dihydroxynaphthalene-2,7-disulfonic acid coupling (C.I.Acid Red 176, C.I. 16575), then will the nitro reduction; (b) N-(4-aminophenyl)acetamide diazo, and 4,5-Dihydroxynaphthalene-2,7-disulfonic acidcoupling (C.I.Acid Violet 6, C.I.16600), then acetyl hydrolysis.

Properties and Applications: blue purple. Soluble in water for blue purple, hardly soluble in ethanol and soluble fiber element. The strong sulfuric acid for blue-ray in red, for wine red after diluted. In nitric acid solution for wine red, in strong hydrochloric acid for chestnut solution; In 10% of sodium hydroxide solution for chestnut solution. In water solution to join hydrochloric acid for red; Join gas oxidation sodium for red orange brown.

List of Suppliers:

ABCOL Violet 4 BA ( Abbey Color Inc. )

Acid 4BS( Global Colors Inc. )

Akacid Violet 4BS 200%(Aakash Chemicals & Dyestuffs Inc)

Victoria Violet 4BS Pdr l25%(Classic Dyestuffs Inc)