disodium 7-hydroxy-8-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate
- русский язык имя
- английское имяdisodium 7-hydroxy-8-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate
- CAS №6226-74-0
- CBNumberCB2918367
- ФормулаC22H14N4Na2O7S2
- мольный вес556.4787
- EINECS228-317-1
- файл Mol6226-74-0.mol
disodium 7-hydroxy-8-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate химические свойства, назначение, производство
Подготовка
4-((4-Aminophenyl)diazenyl)benzenesulfonic acid diazo, and 7-Hydroxynaphthalene-1-sulfonic acid coupling.Свойства и приложения
colourful yellow red. Soluble in water and ethanol to the red orange. The strong sulfuric acid in blue, diluted into pink. In water solution to join strong hydrochloric acid is palm orange; Add thick sodium hydroxide solution for dark purple.| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 4 | 2-3 | 1-2 | 2 | 2 | 1-2 | ||