Acid Blue 20
Name:C.I.Acid Blue 20,C.I.50405
Molecular Structure: azine class
Molecular Formula:
Molecular Weight:
CAS Registry Number:8004-99-7
Manufacturing Methods : will all Alcohol indole Turin ( Solvent Blue 7, C.I. 50400) stlfonation, its product again into sodium salt.
Properties and Applications: navy blue. Soluble in water for blue purple, in ethanol for blue. The strong sulfuric acid for blue, blue or purple for diluted, with blue precipitation. Sodium hydroxide solution in aqueous solution to join a red light purple precipitation.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 4 | 4 | 3 | 4 |
List of Suppliers:
ABCOL Induline Blue B X( Abbey Color Inc. )
Fast Blue O water soluble( Farbwerke vorm. Meister Lucius &Brtining )
National Induline BB(Classic Dyestuffs Inc)