Solvent Blue 8 化学特性,用途語,生産方法
製造方法
N1,N1-dimethylbenzene-1,4-diamine in Sodium thiosulfate (had better have with Aluminium sulfate) exist, the Dichromate treatment into sulfur generation sulfonic acid (2 – amino – 5 – dimethylaminobenzene thiosulfate), this product then through Dichromate and N,N-dimethylaniline processing, Into indamine – thio acid, then use Dichromate and Copper sulfate monohydrate (or MnO2) cyclization and oxidation, and finally to Zinc chloride double salt out (2C116H18N3SC1,ZnC1.H2O).
Properties and Applications
green ash. Soluble in water, slightly soluble in ethanol for blue. In concentrated sulfuric acid for yellow green, dilution for blue. Dye aqueous solution to join sodium hydroxide is purple, with dark purple precipitation.
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Standard
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Light Fastness
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Heat-resistant(℃)
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water
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Sodium Carbonate(5%)
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Hydrochloric acid(5%)
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Melting point
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Stable
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ISO
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Poor
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Poor
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Solvent Blue 8 上流と下流の製品情報
原材料
準備製品