dye|World dye variety

Name:C.I.Acid Black 70,C.I.30355

Molecular Structure: trisazo class

C.I.Acid Black 70,C.I.30355,CAS 8005-88-7,964.85,C39H27N8Na3O12S3,Chrome Leather Fast Black V

Molecular Formula:C₃₉H₂₇N₈Na₃O₁₂S₃

Molecular Weight: 964.85

CAS Registry Number:8005-88-7

Manufacturing Methods : 4-(4-Aminophenyl)benzenamine (70%) and 4-(4-Amino-2-methylphenyl)-3-methylbenzenamine double nitriding, in acid conditions coupled with 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid, 2-Aminobenzenesulfonic acid diazo, in alkaline conditions and the above the products of coupling, and then and Quinoline-2,4-diol coupling.

Properties and Applications: green and black. Soluble in water for violet and grey or black. The strong sulfuric acid for navy, for violet after diluted. The dye solution to join strong hydrochloric acid purple ash brown precipitation; With strong sodium hydroxide solution have dark precipitation.

List of Suppliers:

Chrome Leather Fast Black V ( IG Farbenindustrie AG )