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Leuco Sulphur Brown 8

Leuco Sulphur Brown 8 Structure
Leuco Sulphur Brown 8 structure
CAS No.
Chemical Name:
Leuco Sulphur Brown 8
Synonyms
Leuco Sulphur Brown 8;C.I.Leuco Sulphur Brown 8:C.I.53020
CBNumber:
CB69703425
Molecular Formula:
Molecular Weight:
0
MDL Number:
MOL File:
Mol file
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Leuco Sulphur Brown 8 Chemical Properties,Uses,Production

Preparation

1-Methyl-2,4-dinitrobenzene and Sodium polysulfide in 220 ~ 230 ℃ calcination 15 ~ 20 hours, with Sodium hydroxide product processing.

Properties and Applications

brown. Brown powder. In the water partly dissolved, for brown. In the Sodium sulfide solution solubility is good, for yellow to red orange; In concentrated sulfuric acid partly dissolved, for orange brown, dilution have orange brown precipitation. In acetic acid or metal chromium, copper red, dark. In the basic insurance powder solution is almost invariant color; In Sodium hypochlorite solution for light yellow, join concentrated sulfuric acid turn yellow. Used for cotton, hemp, viscose fabric dyeing.

Standard Acid Resistance Alkali Resistance Light Fastness Fulling Persperation Fastness Soaping
Moderate Severe
ISO 3-4 3-4 3-4 5 5 4-5

Leuco Sulphur Brown 8 Preparation Products And Raw materials

Raw materials

2,4-Dinitrotoluene

Preparation Products

(Leuco Sulphur Brown 8)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 46 Leuco Sulphur Brown 52 Leuco Sulphur Brown 23
Leuco Sulphur Brown 4 Leuco Sulphur Brown 51 Leuco Sulphur Brown 21 2-Naphthalenol, sulfurized, leuco deriv.

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Leuco Sulphur Brown 8 C.I.Leuco Sulphur Brown 8:C.I.53020