dye|World dye variety

Name:C.I.Acid Violet 21,C.I.42580

Molecular Structure: triarylmethane class

C.I.Acid Violet 21,C.I.42580,CAS 5905-37-3,705.82,C37H36N3NaO6S2,Sumitomo Violet 4BL

Molecular Formula:C₃₇H₃₆N₃NaO₆S₂

Molecular Weight: 705.82

CAS Registry Number:5905-37-3

Manufacturing Methods : Bis (4 -(dimethylamino) phenyl) methanol and  N,N-bis(3-sulfobenzyl)aniline condensation, product with manganese dioxide or lamps in acetic acid in oxidation.

Properties and Applications: ed light purple. Soluble in water and ethanol is purple. The strong sulfuric acid for golden brown, diluted into light blue. In water solution to join, hydrogen oxidation is light blue.

List of Suppliers:

Sumitomo Violet 4BL( Kaseihin Kogyo Kyokai )