Leuco Sulphur Brown 23
Leuco Sulphur Brown 23 Basic information
- Product Name:
- Leuco Sulphur Brown 23
- Synonyms:
-
- Leuco Sulphur Brown 23
- C.I.Leuco Sulphur Brown 23:C.I.53075
- CAS:
- 12262-31-6
- MW:
- 0
- Mol File:
- Mol File
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Leuco Sulphur Brown 23 Usage And Synthesis
Preparation
75 parts of??4-Methylbenzene-1,3-diamine?,?62.5 parts of??4-Nitrobenzenamine, 16.2 parts of??Benzene-1,4-diamine?and 287 parts of mixture of sulfur in the 220 ~ 240 ℃ calcination 10 hours, and its products in the Sodium sulfide solution in 90 ~ 95 ℃ processing, sifting. Garnish with sulfuric acid precipitation. Use different number of the following example intermediates, in a similar way, get more partial brown color of dye: 93.5 parts of?4-Methylbenzene-1,3-diamine?, ?47 parts of?4-Nitrobenzenamine, 40 parts of ?Benzene-1,4-diamine, 380 parts of?sulphur.
Properties and Applications
brown light olive. In the Sodium sulfide solution solubility good, for yellow brown; In concentrated sulfuric acid for yellow brown, dilution after yellow brown precipitation.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Fulling | Persperation Fastness | Soaping | |
| Moderate | Severe | ||||||
| ISO | 3-4 | 4 | 4 | 4-5 | 4-5 | 3-4 | |
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Leuco Sulphur Brown 23(12262-31-6)Related Product Information
- Formamide, N,N'-1,4-phenylenebis-, reaction products with 4-methyl-1,3-benzenediamine and sulfur, leuco derivs.
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- Leuco Sulphur Brown 8
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- 2-Naphthalenol, sulfurized, leuco deriv.