Direct Brown 186 Chemische Eigenschaften,Einsatz,Produktion Methoden

synthetische

2-Amino-5-(4-amino-3-barboxyphenyl)benzoic aciddouble nitriding, first coupled with 2-Hydroxybenzoic acid, again in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

black light brown. Soluble in water for purplish red, slightly soluble in alcohol. The strong sulfuric acid for purple, diluted for Light red orange time The dye solution to join strong hydrochloric acid for red sauce, precipitation; Add thick sodium hydroxide solution for orange brown..

Direct Brown 186 Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte

Direct Brown 186 Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

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• Direct Brown 186
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