Phenol, 4-[[4-(dimethylamino)phenyl]azo]-, reaction products with sodium sulfide (Na2(Sx)), leuco derivs.
- CAS NO.：12262-25-8
- Molecular Weight: 0
- EINECS: 235-517-2
- Update Date: 2026-05-12 09:20:59
What is Phenol, 4-[[4-(dimethylamino)phenyl]azo]-, reaction products with sodium sulfide (Na2(Sx)), leuco derivs.?
Preparation
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.
Flammability and Explosibility
Not classified
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 | |
Properties of Phenol, 4-[[4-(dimethylamino)phenyl]azo]-, reaction products with sodium sulfide (Na2(Sx)), leuco derivs.
| Density | 1.5[at 20℃] |
| Water Solubility | 650μg/L at 20℃ |
| EPA Substance Registry System | C.I. Leuco Sulphur Blue 9 (12262-25-8) |
Safety information for Phenol, 4-[[4-(dimethylamino)phenyl]azo]-, reaction products with sodium sulfide (Na2(Sx)), leuco derivs.
Computed Descriptors for Phenol, 4-[[4-(dimethylamino)phenyl]azo]-, reaction products with sodium sulfide (Na2(Sx)), leuco derivs.
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