dye|World dye variety

Name:C.I.Acid Brown 146,C.I.26531

Molecular Structure: Double azo,Metal Complexes

C.I.Acid Brown 146,C.I.26531,CAS 10127-33-0,704.46,C24H12N4Na4O12S2,Erganil Red Brown C

Molecular Formula:C₂₄H₁₂N₄Na₄O₁₂S₂

Molecular Weight: 704.46

CAS Registry Number: 10127-33-0

Manufacturing Methods :   Method: 3-Amino-2-hydroxy-5-sulfobenzoic acid diazo, and 5-Aminonaphthalene-2-sulfonic acid acidcoupling, product diazo, again with 2-Hydroxybenzoic acid coupling, and then will product (C.I.Mordant Brown 51, C.I. 26530) and water cut formic acid chromium heating (85 ~ 90 ℃), each 2-Hydroxybenzoic acid introduce a chrome atoms.

Properties and Applications: Claret

List of Suppliers:

Erganil Red Brown C( IG Farbenindustrie AG )