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Chromate(3-),bis[4-(hydroxy-kO)-3-[[2- (hydroxy-kO)-1-naphthalenyl]azo-kN1]-5- nitrobenzenesulfonato(3-)]-,disodium hydrogen
- русский язык имя
- английское имяChromate(3-),bis[4-(hydroxy-kO)-3-[[2- (hydroxy-kO)-1-naphthalenyl]azo-kN1]-5- nitrobenzenesulfonato(3-)]-,disodium hydrogen
- CAS №6370-16-7
- CBNumberCB73246561
- ФормулаC32H17CrN6NaO14S2-
- мольный вес848.62
- файл Mol6370-16-7.mol
Chromate(3-),bis[4-(hydroxy-kO)-3-[[2- (hydroxy-kO)-1-naphthalenyl]azo-kN1]-5- nitrobenzenesulfonato(3-)]-,disodium hydrogen химические свойства, назначение, производство
Подготовка
3-Amino-4-hydroxy-5-nitrobenzenesulfonic acid diazo, and Naphthalen-2-ol coupling, and then with aqueous acid chromium heating together, and in 100 ℃ keep 3 ~ 5 hours, make all of its formation chromium complex (1 to 2 Moore single atoms chromium azo dyes).Свойства и приложения
red light black. Soluble in water for black purple. The strong sulfuric acid for green light black; After diluted for purple brown precipitation. In water solution to join hydrochloric acid is palm orange; With strong sodium hydroxide solution for wine red to deep red wine.Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 7-8 | 3-4 | 3-4 | 4-5 | 3 | 4-5 |