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Direct Red 6

Name:C.I.Direct Red 6,C.I.27130

Molecular Structure: Double azo class

C.I.Direct Red 6,C.I.27130,CAS 6226-71-7,738.66,C33H20N6Na2O8S2,Diamine Fast Scarlet GG

C.I.Direct Red 6,C.I.27130,CAS 6226-71-7,738.66,C33H20N6Na2O8S2,Diamine Fast Scarlet GG

Molecular Formula:C33H20N6Na2O8S2

Molecular Weight: 738.66

CAS Registry Number:6226-71-7

Manufacturing Methods : aniline diazo, and 2-(3-Aminophenyl)-6-hydroxynaphtho[2,1-d]thiazole-8-sulfonic acid coupling, its product to diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications: yellow light red. Soluble in water for orange red to big red, soluble in ethanol for subtle stitching red light, insoluble in other organic solvents. The strong sulfuric acid in red for quality, to orange diluted. The dye solution is to add strong hydrochloric acid for orange red, precipitation; Add thick sodium hydroxide solution for orange brown.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 5 5 3 1 2

List of Suppliers:

Diamine Fast Scarlet GG( Carbotex Consultants )


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