2-Naphthalenesulfonic acid, 3,3'-[carbonylbis(imino-3,1-phenyleneazo)]bis[7-amino-4-hydroxy-, disodium salt
- русский язык имя
- английское имя2-Naphthalenesulfonic acid, 3,3'-[carbonylbis(imino-3,1-phenyleneazo)]bis[7-amino-4-hydroxy-, disodium salt
- CAS №6391-27-1
- CBNumberCB44781754
- ФормулаC33H27N8NaO9S2
- мольный вес766.74
- EINECS613-398-1
- файл Mol6391-27-1.mol
2-Naphthalenesulfonic acid, 3,3'-[carbonylbis(imino-3,1-phenyleneazo)]bis[7-amino-4-hydroxy-, disodium salt химические свойства, назначение, производство
Подготовка
N,N’-bis(3-aminophenyl)urea double nitriding, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid (2 Moore) coupled.Свойства и приложения
Claret. Soluble in water for orange brown, soluble in ethanol for orange. In the strong sulfuric acid to red, shallow orange for diluted. The dye solution to join strong hydrochloric acid for red orange brown, have precipitation; Add thick sodium hydroxide solution for orange brown, have precipitation; Add 10% sodium hydroxide solution color micro become yellow.| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 4 | 5 | 1 | 4 | 3-4 | ||
| AATCC | 5 | 5 | 1-2 | 3 | 4 | ||