Direct Red 63
Name:C.I.Direct Red 63
Molecular Structure: Double azo class
C.I.Direct Red 63,CAS 12217-66-2,774.67,C37H24N6Na2O9S
Molecular Formula:C37H24N6Na2O9S
Molecular Weight: 774.67
CAS Registry Number:12217-66-2
Manufacturing Methods : 4-Amino-N-(4-aminophenyl)benzamide double nitriding, first and 7-Benzamido-4-hydroxynaphthalene-2-sulfonic acid coupling, again with 2-Hydroxybenzoic acid coupling.
Properties and Applications: colourful red yellow light
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 5 | 4-5 | 3 | 4-5 | 3-4 | ||
| AATCC | 5 | 4 | 2-3 | 3 | 3-4 | ||
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