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Direct Black 122

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

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.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
AATCC 4 3-4 6 3-4 4-5 4-5 5

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