dye|World dye variety

Name:C.I.Direct Black 76,C.I.35865

Molecular Structure: Multi-azo class

C.I.Direct Black 76,C.I.35865,1193.99,C46H27N11Na4O15S4,Sirius Grey GB

Molecular Formula:C₄₆H₂₇N₁₁Na₄O₁₅S₄

Molecular Weight: 1193.99

CAS Registry Number:

Manufacturing Methods : 3-Aminonaphthalene-1,5-disulfonic acid diazo, and Naphthalen-1-amine coupling, again diazo, and 8-Aminonaphthalene-2-sulfonic acid coupling, product to diazo, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-1-sulfonic acid coupling, and then diazo, and 4-Nitrobenzene-1,3-diamine coupling.

Properties and Applications: brown light grey. Soluble in water for violet to violet black, soluble in ethanol. The strong sulfuric acid for gray and blue-ray gray, diluted gray light purple for. The dye solution to join strong hydrochloric acid for galleries to violet, precipitation; Add thick, hydrogen for violet solution oxidation to violet black, precipitation.

List of Suppliers:

Sirius Grey GB(  Bayer Group )