dye|World dye variety

Name:C.I.Acid Violet 50,C.I.50325

Molecular Structure: azine class

C.I.Acid Violet 50,C.I.50325,CAS 6837-46-3,624.62,C29H21N4NaO7S2,Xylene Milling Violet B

Molecular Formula:C₂₉H₂₁N₄NaO₇S₂

Molecular Weight: 624.62

CAS Registry Number:6837-46-3

Manufacturing Methods : 6,8-Bis(phenylamino)naphthalene-1-sulfonic acid and 2,5-Diamino-4-methoxybenzenesulfonic acid condensation, and then product (add) ammonia in the cuprous oxide catalyst for the air oxidation.

Properties and Applications: blue purple. Soluble in water and ethanol for red light purple. The strong sulfuric acid for green, purple for red after diluted. In water solution is a deep red to join sodium hydroxide, and precipitation.

List of Suppliers:

Xylene Milling Violet B ( Classic Dyestuffs Inc )