[1,1'-Biphenyl]-3,3'-disulfonic acid, 4,4'-bis[[1-hydroxy-6-[(5-hydroxy-7-sulfo-2-naphthalenyl)amino]-3-sulfo-2-naphthalenyl]azo]-, hexasodium salt Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
4,4′-Diamino-3,3′-Biphenyldisulfonic acid double nitriding, and Bis(4-hydroxy-2-sulfonaphthalene-7-yl)amine (2 Moore) coupled.
Properties and Applications
dark blue light red. Soluble in water for deep purple, slightly soluble in alcohol. The strong sulfuric acid for blue, for purple diluted. Dye with strong hydrochloric acid solution for dark, precipitation; Add thick sodium hydroxide solution for the navy, precipitation.
[1,1'-Biphenyl]-3,3'-disulfonic acid, 4,4'-bis[[1-hydroxy-6-[(5-hydroxy-7-sulfo-2-naphthalenyl)amino]-3-sulfo-2-naphthalenyl]azo]-, hexasodium salt Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte