1,3-Naphthalenedisulfonic acid, 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis[7-hydroxy-, tetrasodium salt
- русский язык имя
- английское имя1,3-Naphthalenedisulfonic acid, 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis[7-hydroxy-, tetrasodium salt
- CAS №6426-72-8
- CBNumberCB24747785
- ФормулаC32H23N4NaO14S4
- мольный вес838.78
- EINECS613-544-4
- файл Mol6426-72-8.mol
1,3-Naphthalenedisulfonic acid, 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis[7-hydroxy-, tetrasodium salt химические свойства, назначение, производство
Подготовка
4-(4-Aminophenyl)benzenamine double nitriding, and 7-Hydroxynaphthalene-1,3-disulfonic acid (2 Moore) coupled.Свойства и приложения
purple. Soluble in water. The strong sulfuric acid for purple, diluted for red jade; In nitric acid solution for orange. The dye solution to join strong sodium hydroxide solution in red.| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 4-5 | 4 | 2 | 1-2 | 1-2 | ||