2-Hydroxy-5-[[4-[(1-hydroxy-5-sodiosulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo]benzoic acid sodium salt
- русский язык имя
- английское имя2-Hydroxy-5-[[4-[(1-hydroxy-5-sodiosulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo]benzoic acid sodium salt
- CAS №6406-50-4
- CBNumberCB62207892
- мольный вес0
- файл Mol6406-50-4.mol
2-Hydroxy-5-[[4-[(1-hydroxy-5-sodiosulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo]benzoic acid sodium salt химические свойства, назначение, производство
Подготовка
5-Amino-2-hydroxybenzoic acid diazotization, and Naphthalen-1-amine coupling, product to diazotization, and 5-Hydroxynaphthalene-1-sulfonic acid coupling.Свойства и приложения
black. Soluble in water for purple black, right amount soluble in ethanol for sauce red, slightly soluble in Acetone, insoluble in other organic solvent. In concentrated sulfuric acid for brilliant green, dilution after pale red light brown; In concentrated nitric acid for wine, and then into orange. Dye aqueous solution to join concentrated hydrochloric acid for pale red light brown; Join concentrated sodium hydroxide solution for purple black.| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 5 | 5 | 4 | 4 | 4-5 | 5 | 5 |