Leuco Sulphur Blue 9
Name:C.I.Leuco Sulphur Blue 9,C.I.53430
Molecular Structure:
C.I.Leuco Sulphur Blue 9,C.I.53430,CAS 12262-25-8
CAS Registry Number:12262-25-8
Manufacturing Methods : 4-(4-Dimethylaminoanilino)phenol in ethanol Sodium polysulfide solution heating, and in 84 ℃ next return 165 ~ 170 hours, then blowing air to precipitation, garnish with hydrochloric acid part neutralization. This indophenol is by N1,N1-dimethylbenzene-1,4-diamine and phenol and condensation.
Properties and Applications: brilliant blue. In general the solubility of sodium sulfide solution.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Fulling | Persperation Fastness | Soaping | |
| Moderate | Severe | ||||||
| ISO | 4-5 | 5 | 4-5 | 3-4 | 4-5 | 3 | |
| AATCC | 5 | 4-5 | 4-5 | 4 | 4 | 2-3 | |
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