Leuco Sulphur Blue 2

CAS No.
12262-24-7
Chemical Name:
Leuco Sulphur Blue 2
Synonyms
Sulphur Blue 2;Leuco Sulphur Blue 2;C.I.Sulphur Blue 2:C.I.53480;C.I.Leuco Sulphur Blue 2:C.I.53480
CBNumber:
CB59703413
Molecular Formula:
Molecular Weight:
0
MDL Number:
MOL File:
Mol file

Leuco Sulphur Blue 2 Chemical Properties,Uses,Production

Preparation

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

Leuco Sulphur Blue 2 Preparation Products And Raw materials

Sulphur Blue 2 Leuco Sulphur Blue 2 C.I.Leuco Sulphur Blue 2:C.I.53480 C.I.Sulphur Blue 2:C.I.53480 12262-24-7