Benzoic acid, 2-hydroxy-3(or 5)-[[4-[(1-hydroxy-5-sulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo]-, disodium salt
- русский язык имя
- английское имяBenzoic acid, 2-hydroxy-3(or 5)-[[4-[(1-hydroxy-5-sulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo]-, disodium salt
- CAS №8048-91-7
- CBNumberCB44783369
- мольный вес0
- EINECS617-087-1
- файл MolMol file
Benzoic acid, 2-hydroxy-3(or 5)-[[4-[(1-hydroxy-5-sulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo]-, disodium salt химические свойства, назначение, производство
Подготовка
3-Amino-2-hydroxybenzoic acid and 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 dark purple, right amount soluble in ethanol. In concentrated sulfuric acid to blue light green, dilution for shallow sauce red. Dye aqueous solution to join concentrated hydrochloric acid for sauce red; Join concentrated sodium hydroxide solution for navy blue.| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 5 | 5 | 4 | 4 | 4-5 | 5 | 5 |