4,8-Diamino-9,10-dihydro-1,5-dihydroxy-9,10-dioxoanthracen-2,6-disulfonsure 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.
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.
4,8-Diamino-9,10-dihydro-1,5-dihydroxy-9,10-dioxoanthracen-2,6-disulfonsure Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Dinatrium-4,8-diamino-1,5-dihydroxy-9,10-dioxoanthracen-2,6-disulfonat
1,5-dihydroxy-2,6-dichloro-4,8-dinitroanthraquinone
2,4,6,8-tetrabromo-1,5-dihydroxyanthracene-9,10-dione
1,5-DIHYDROXYANTHRAQUINONE
Downstream Produkte