disodium 4,4'-[[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]bis(azo)]bisnaphthalene-1-sulphonate
- русский язык имя
- английское имяdisodium 4,4'-[[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]bis(azo)]bisnaphthalene-1-sulphonate
- CAS №4553-89-3
- CBNumberCB9890981
- ФормулаC27H18N4Na2O9S2
- мольный вес652.56276
- EINECS224-924-0
- номер MDLMFCD01747711
- файл Mol4553-89-3.mol
химическое свойство
| Температура плавления | >300o C |
| плотность | 0.816[at 20℃] |
| давление пара | 0Pa at 25℃ |
| температура хранения | Hygroscopic, Refrigerator, Under inert atmosphere |
| растворимость | DMSO (Slightly, Heated, Sonicated), Methanol (Slightly) |
| форма | Solid |
| цвет | Pale Brown to Black |
| Растворимость в воде | 99.418g/L at 25℃ |
| Стабильность | Hygroscopic |
| LogP | 4.496 at 25℃ |
| FDA UNII | 067L3J47ID |
disodium 4,4'-[[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]bis(azo)]bisnaphthalene-1-sulphonate химические свойства, назначение, производство
Использование
Chocolate Brown HT (CAS# 4553-89-3) is a synthetic organic food colourant, and a long-term carcinogen.Подготовка
4-Hydroxynaphthalene-1-sulfonic acid (2 Moore) diazo, and 4-(Hydroxymethyl)benzene-1,3-diol?coupled.Свойства и приложения
red light brown. Soluble in water for brown. The strong sulfuric acid for red purple, diluted chocolate brown for red precipitate to brown precipitation and the solution. Its water solution and strong hydrochloric acid for dark chocolate brown precipitation and the solution; Add sodium hydroxide solution for product red.disodium 4,4'-[[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]bis(azo)]bisnaphthalene-1-sulphonate запасные части и сырье
disodium 4,4'-[[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]bis(azo)]bisnaphthalene-1-sulphonate поставщик
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