dye|World dye variety

Name:C.I.Solvent Violet 23,C.I.50325

Molecular Structure: azine class

C.I.Solvent Violet 23,C.I.50325,CAS 71839-03-7,624.62,C29H21N4NaO7S2,Irisol Fast Violet BBN

Molecular Formula:C₂₉H₂₁N₄NaO₇S₂

Molecular Weight: 624.62

CAS Registry Number:71839-03-7

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

Properties and Applications:blue light purple. Soluble in water and ethanol for red purple. In concentrated sulfuric acid for green, red purple after diluted. Dye aqueous solution to join sodium hydroxide amaranth, accompanied by precipitation. Used for acetate fiber of protoplasm coloring.

List of Suppliers:

Irisol Fast Violet BBN(Bayer Group)