Other grades of this product :
| Solvent Blue 8 Basic information |
| Product Name: | Solvent Blue 8 | | Synonyms: | Solvent Blue 8;7-(dimethylamino)-3-(methylimino)-3h-phenothiazin 3-methochloride;aizen methylene blue bh;aizen methylene blue fz;basic lake blue;Basic turquoise BB;bleu de methylene;C.I.Solvent Blue 8 | | CAS: | 12262-49-6 | | MF: | C16H18ClN3S | | MW: | 319.85222 | | EINECS: | | Product Categories: | Solvent Dyestuff | | Mol File: | 12262-49-6.mol |
| Solvent Blue 8 Chemical Properties |
| Solvent Blue 8 Usage And Synthesis |
| Preparation | 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 Preparation Products And Raw materials |
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