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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

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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