Direct Blue 306
Name:C.I.Direct Blue 306,C.I.24203
Molecular Structure: Double azo class
Molecular Formula:C34H25N5Na2O10S2
Molecular Weight: 773.7
CAS Registry Number:
Manufacturing Methods : 3,3′-Dimethoxylbenzidine double nitriding, respectively with the 5-Hydroxynaphthalene-1-sulfonic acid and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications: red light navy
Standard(cotton) | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 4 | 4 | 4-5 | 4 | 5 |
List of Suppliers:
Direct Blue ( Joint Stock Company ‘Coioros’ )
Sakoton Blue ( Sivashdky Dye Plant )
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