Leuco Sulphur Blue 10
Name:C.I.Leuco Sulphur Blue 10,C.I.53470
Molecular Structure:
C.I.Leuco Sulphur Blue 10,C.I.53470,CAS 85940-07-4,Cassulfon Supra Blue FBL
CAS Registry Number:85940-07-4
Manufacturing Methods : 4-(4-Hydroxyanilino)diphenylamine-4,-sulfonic acid with Sodium polysulfide solution heating, in 105 ~ 106 ℃ under reflux 100 hours and then in the 70 ~ 80 ℃ blowing air, and add salt to make its precipitation. This indophenol by 4-(Phenylamino)benzenesulfonic acid and 4-Nitrosophenol of condensation product reduction, can also be used by hydrochloric acid Manganese dioxide oxidation 4-(Phenylamino)benzenesulfonic acid and where did 4-Aminophenol and the mixture.
Properties and Applications: blue. Blue powder. Slightly soluble in hot water, soluble in Sodium sulfide, almost colorless. In concentrated sulfuric acid for cobalt blue, dilution after blue precipitation, insoluble in other organic solvent. Used for cotton, viscose, linen fabric and vinylon/cotton blended fabric dyeing, also used in leather and paper dyeing.
List of Suppliers:
Cassulfon Supra Blue FBL( Cassella Farbwerke Mainkur AG )