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8-Amino-7-methylphenazin-2-oland sodium polysulphideaqueous solution in return in 115 ~ 116 ℃ heating 30 hours, then dilution, through the air and add salt to the precipitation. This is Pyridine by 4-Methylbenzene-1,3-diamineand 4-Aminophenol or 4-Nitrosophenol generated Indophenoloxidation and become.Properties and Applications
bordeaux. Puce powder. Part of the soluble in water. In the sodium sulfide solution solubility is good, for the red light brown to brown; In concentrated sulfuric acid for dark blue purple, dilution after brown precipitation. Mainly used for cotton, hemp, viscose and vinylon/cotton blended fabric dyeing, suitable for dye corduroy, also used in leather dyeing.| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Fulling | Persperation Fastness | Soaping | |
| Moderate | Severe | ||||||
| ISO | 4 | 2 | 3-4 | 2-3 | 2-3 | 3-4 | 2-3 |
| AATCC | 4-5 | 2 | 5 | 2 | 3 | ||
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Leuco Sulphur Red 4
C.I. Leuco Sulfur Red 10
Leuco Sulphur Red 1
Formamide, N-(5-amino-2-methylphenyl)-, reaction products with aniline and sulfur, leuco derivs.
Leuco Sulphur Violet 3
Leuco Sulphur Orange 1
Leuco Sulphur Red 5
N-(2,4-diamino-5-(4-oxocyclohexa-2,5-dienylideneamino)phenyl)acetamide
[1,1'-Biphenyl]-4,4'-diamine, reaction products with 4-methyl-1,3-benzenediamine and sulfur




