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Solvent Blue 8

Solvent Blue 8 Structure
CAS No.
12262-49-6
Chemical Name:
Solvent Blue 8
Synonyms
Solvent Blue 8;basic lake blue;bleu de methylene;C.I.Solvent Blue 8;Basic turquoise BB;aizen methylene blue fz;aizen methylene blue bh;C.I.Solvent Blue 8:C.I.52015;Solvent Blue 8 ISO 9001:2015 REACH;7-(dimethylamino)-3-(methylimino)-3h-phenothiazin 3-methochloride
CBNumber:
CB1874891
Molecular Formula:
C16H18ClN3S
Molecular Weight:
319.85222
MOL File:
12262-49-6.mol
Modify Date:
2023/5/4 17:34:32

Solvent Blue 8 Chemical Properties,Uses,Production

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.

Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%)
Melting point Stable
ISO Poor Poor

Solvent Blue 8 Preparation Products And Raw materials

Raw materials

Preparation Products

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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 Solvent Blue 8 ISO 9001:2015 REACH C.I.Solvent Blue 8:C.I.52015 12262-49-6 Solvent Dyestuff