Leuco Sulphur Blue 2
Name:C.I.Leuco Sulphur Blue 2,C.I.53480
Molecular Structure:
C.I.Leuco Sulphur Blue 2,C.I.53480,CAS 12262-24-7,Immedial Leuco Blue FGL
CAS Registry Number:12262-24-7
Manufacturing Methods : N-[p-(p-hydroxyanilino)phenyl]anthranilic acid in Sodium polysulfide solution in return 105 ~ 106 ° C heating 65 hours, then add salt from Sodium sulfide solution precipitation dye crude products, in the cold dilute Sodium hydroxide solution air oxidation. This Indophenol is by N-Phenylanthranilic acid and 4-Nitrosophenol condensation, product with Sodium hydrosulfide and reduction.
Properties and Applications: blue.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Fulling | Persperation Fastness | Soaping | |
| Moderate | Severe | ||||||
| ISO | 3 | 4 | 4-5 | 3 | 3 | 2-3 | |
List of Suppliers:
Immedial Leuco Blue FGL( Cassella Farbwerke Mainkur AG )