dye|World dye variety

Name:C.I.Direct Black 122,C.I.36250

Molecular Structure: Multi-azo class

C.I.Direct Black 122,C.I.36250,CAS 16894-32-9,1614.17,C58H34N15Na7O24S4

Molecular Formula:C₅₈H₃₄N₁₅Na₇O₂₄S₄

Molecular Weight: 1614.17

CAS Registry Number:16894-32-9

Manufacturing Methods : 2-Methoxy-4-nitrobenzenamine and 5-Amino-2-hydroxybenzoic acid diazo, in alkaline conditions in turn and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid matches, will the nitro reduction, then double nitriding, and 3-Amino-2-hydroxybenzoic acid diazo, In acidic conditions with 7-Amino-4-hydroxynaphthalene-2-sulfonic acid  coupling the product obtained(2 Moore) coupled.

Properties and Applications: blue grey. Blue-black powder. Soluble in water for red light black. Use in cotton, viscose and their blended fabric dyeing, can be in viscose cotton or directly on printing or discharge printing.

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