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
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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