4,8-Diamino-9,10-dihydro-1,5-dihydroxy-9,10-dioxoanthracen-2,6-disulfonsure

Solvent Blue 74 Chemische Eigenschaften,Einsatz,Produktion Methoden

• synthetische

  C.I. Acid Blue 45 (by (a) 1,5-Dihydroxyanthracene-9,10-dione sulfonation, again nitrifying generated disulfonic Acid, then use Sodium sulfide reduction; (b) using Sodium bisulfite treatment 2,4,6,8-Tetrabromo-1,5-dihydroxyanthracene-9,10-dione or 1,5-Dihydroxy-2,6-dichloro-4,8-dinitroanthraquinone; (C) in the presence of copper with ammonia treatment 2,4,6,8-Tetrabromo-1,5-dihydroxyanthracene-9,10-dione?or?1,5-Dihydroxy-2,6-dichloro-4,8-dinitroanthraquinone?with hydrochloric Acid acidification.

• Synthese

  4,8-Diamino-1,5-dihydroxyanthraquinone- 2,6-disulfonic acid is prepared from 1,5-dihydroxyanthraquinone by sulfonation, nitration, and reduction .

• Properties and Applications

  blue. Blue powder. In alkaline aqueous solution in have greater solubility. Light resistance, heat resisting fastness are high. Mainly used in high-grade adornment coloring.

Solvent Blue 74 Upstream-Materialien And Downstream Produkte

4,8-Diamino-9,10-dihydro-1,5-dihydroxy-9,10-dioxoanthracen-2,6-disulfonsure Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

Global(12)Suppliers

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