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Leuco Sulphur Brown 23

Leuco Sulphur Brown 23 Structure
CAS No.
12262-31-6
Chemical Name:
Leuco Sulphur Brown 23
Synonyms
Leuco Sulphur Brown 23;C.I.Leuco Sulphur Brown 23:C.I.53075
CBNumber:
CB39703419
Molecular Formula:
Molecular Weight:
0
MOL File:
Mol file
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Leuco Sulphur Brown 23 Chemical Properties,Uses,Production

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

Leuco Sulphur Brown 23 Preparation Products And Raw materials

Raw materials

2,4-Diaminotoluene 4-Nitroaniline p-Phenylenediamine

Preparation Products

12262-31-6(Leuco Sulphur Brown 23)Related Search:

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.
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Leuco Sulphur Brown 23 C.I.Leuco Sulphur Brown 23:C.I.53075 12262-31-6