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Leuco Sulphur Blue 15
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Leuco Sulphur Blue 15 ??
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Leuco Sulphur Blue 15 C??? ??, ??, ??
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8-Amino-5-(4-hydroxyphenylamino)naphthalene-2-sulfonic acid?and aqueous Sodium polysulfide heating, in 107 ~ 108 ℃ under reflux 2 4 hours, will be part of the precipitation in the Sodium sulfide of dye solution, blowing air redeposition. This indophenol?is from?8-Amino-5-nitronaphthalene-2-sulfonic acid?and where did?5-Aminonaphthalene-2-sulfonic acid?and where did?4-Aminophenol?with Sodium hypochlorite oxidation of mixture, then use Sodium sulfide reduction and have to.Properties and Applications
green light blue. Yellow brown flow liquid, pH value is 12.8, density 1.248, viscosity 11* 10-3 pa s.; No fallout. In the Sodium sulfide solution good solubility, olive, In concentrated sulfuric acid for the dark,?diluted with dark blue.| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Fulling | Persperation Fastness | Soaping | |
| Moderate | Severe | ||||||
| ISO | 3-4 | 4 | 5-6 | 3-4 | (Alkali)4-5 | 4 | 2 |
| AATCC | 5 | 4 | 6 | 3 | 3 | ||
Leuco Sulphur Blue 15 ?? ?? ? ???
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Leuco Sulphur Blue 15 ?? ??
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| ??? | ?? | ??? | ?? | ?? ? | ?? |
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| Dynasty Colourants Co., Ltd. | -- |
info@dynasty-color.com | China | 3306 | 51 |
Leuco Sulphur Blue 15 ?? ??:
Leuco Sulphur Black 6
Leuco Sulphur Blue 3
Leuco polysulfided 4-[(2,4-dinitrophenyl)amino]phenol
Oxidized sulfurized aminophenols
Leuco Sulphur Blue 2
Phenol, 2,4-dinitro-, sulfurized, leuco derivs.
Benzenesulfonic acid, 4-[[4-[(4-hydroxyphenyl)amino]phenyl]amino]-, reaction products with sodium sulfide (Na2(Sx)), leuco derivs.
Leuco Sulphur Blue 1
Leuco sulfur black 2 (C.I. 53195)