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Direct Red 53

Name:C.I.Direct Red 53,C.I.22405

Molecular Structure: Double azo class

C.I.Direct Red 53,C.I.22405,CAS 6375-58-2,663.59,C28H19N5Na2O8S2,oxamine Brilliant Red B

C.I.Direct Red 53,C.I.22405,CAS 6375-58-2,663.59,C28H19N5Na2O8S2,oxamine Brilliant Red B

Molecular Formula:C28H19N5Na2O8S2

Molecular Weight: 663.59

CAS Registry Number:6375-58-2

Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, and 3-Hydroxybenzenesulfonic acid coupling.

Properties and Applications: colourful red blue light. Soluble in water for red, and adequate soluble in alcohol. The strong sulfuric acid for purple to blue, Red sauce for diluted. Dye with strong hydrochloric acid solution for the red light purple purple, precipitation; Add thick sodium hydroxide solution for big red, precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 3 2 1-2 1
AATCC 3 3-4 2 2 1

List of Suppliers:

Oxamine Brilliant Red B( Badische Anilin-und Soda Fabrik )


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