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Direct Violet 28

Name:C.I.Direct Violet 28,C.I.23685

Molecular Structure: Double azo class

C.I.Direct Violet 28,C.I.23685,CAS 6420-06-0,726.69,C34H24N4Na2O8S2,Azo Blue

C.I.Direct Violet 28,C.I.23685,CAS 6420-06-0,726.69,C34H24N4Na2O8S2,Azo Blue

Molecular Formula:C34H24N4Na2O8S2

Molecular Weight: 726.69

CAS Registry Number:6420-06-0

Manufacturing Methods :  3,3′-Dimethylbenzidine  double nitriding, and 4-Hydroxynaphthalene-1-sulfonic acid (1 Moore) and 5-Hydroxynaphthalene-1-sulfonic acid (1 Moore) coupled.

Properties and Applications: dark blue purple.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4 1 1 2

List of Suppliers:

Azo Blue( IG Farbenindustrie AG )


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