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Leuco Sulphur Brown 23

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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
MF:
MW:0
EINECS:
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Mol File:Mol File
Leuco Sulphur Brown 23 Structure
Leuco Sulphur Brown 23 Chemical Properties
Safety Information
MSDS Information
Leuco Sulphur Brown 23 Usage And Synthesis
Preparation75 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 Applicationsbrown 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
Leuco Sulphur Brown 23 Preparation Products And Raw materials
Raw materials2,4-Diaminotoluene-->4-Nitroaniline-->p-Phenylenediamine
Tag: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. Leuco Sulphur Brown 5 Leuco Sulphur Brown 8 Leuco Sulphur Brown 46 Leuco Sulphur Brown 52 Leuco Sulphur Brown 4 Leuco Sulphur Brown 51 Leuco Sulphur Brown 21 2-Naphthalenol, sulfurized, leuco deriv.