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Acid Blue 61

Name:C.I.Acid Blue 61,C.I.50330

Molecular Structure: azine class

C.I.Acid Blue 61,C.I.50330,CAS 6837-47-4,699.73,C35H26N5NaO6S2,Blue FGG,Wool Fast Blue FGG

C.I.Acid Blue 61,C.I.50330,CAS 6837-47-4,699.73,C35H26N5NaO6S2,Blue FGG,Wool Fast Blue FGG

Molecular Formula:C35H26N5NaO6S2

Molecular Weight: 699.73

CAS Registry Number:6837-47-4

Manufacturing Methods : 6,8-Bis(phenylamino)naphthalene-1-sulfonic acid and 4,4′-Diamino-3′-methyldiphenylamine-2-sulfonic acid condensation, its product to (add) ammonia of cuprous oxide as the catalyst for air oxidation.

Properties and Applications: blue. Soluble in water for chrysanthemum blue, soluble in ethanol is pure blue. The strong sulfuric acid for green, diluted into red purple. Add sodium hydroxide in aqueous solution is a deep red, and accompanied by precipitation.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 4 3 2 4 3 1 4 3
AATCC 4-5 4 4 4-5 1 1 4-5 4-5

List of Suppliers:

Royal Blue FGG (Classic Dyestuffs Inc)

Wool Fast Blue FFG( Bayer Group )

Wool Fast Blue FGG(Classic Dyestuffs Inc)


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