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Molecular formula : C16H18ClN3S2
MW : 639.69
CAS No. : 61-2-6252-6035-73-4
nature : the flashing red and gold or copper flashing light on the powder, soluble in water, soluble in alcohol is slightly blue; Case was concentrated sulfuric acid yellow green; Diluted blue; add NaOH aqueous solution after there was purple or dark purple precipitation.
Preparation : N, N-dimethylaniline for nitrosation, generated by the reduction of amino-dimethylaniline, reuse sodium dichromate, Sodium Thiosulfate for oxidation and sulfide and condensation, and then use the zinc chloride salt, salt precipitation, filtration and drying derived products. Raw material consumption (kg / t) N, N-dimethylaniline 790 sulfate sodium nitrite 250 hydrochloride 760 (31%) 500 sodium (95%) 1400 830 Sodium Thiosulfate refined copper sulfate aluminum sulfate 1060 372 52 Zinc Chloride uses iron 650
: can be used linen, silk fabrics, paper dyeing and bamboo, wood color. Also used in the manufacture of ink and color sediment and organisms, the bacteria staining and so on. It can be basic purple and yellow dextrin Dye to fight the ratio of 78:13:9 mix alkaline Pinla.
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