Селенид натрия
Селенид натрия атрибут
| Температура плавления: |
>875°C |
| плотность: |
2.625 |
| RTECS: |
WE0350000 |
| растворимость: |
Soluble in ethanol and liquid ammonia. Slightly soluble tetrahydrofuran. |
| форма: |
Сушка под аргоном |
| цвет: |
От серого до розового |
| Растворимость в воде: |
разлагается в H2O [MER06] |
| Чувствительный: |
Moisture Sensitive |
| Мерк: |
14,8672 |
| Пределы воздействия: |
ACGIH: TWA 0.2 mg/m3
NIOSH: IDLH 1 mg/m3; TWA 0.2 mg/m3 |
| Рейтинг продуктов питания EWG: |
1 |
| FDA UNII: |
1FEK1K7WCE |
| Система регистрации веществ EPA: |
Sodium selenide (Na2Se) (1313-85-5) |
Селенид натрия химические свойства, назначение, производство
Химические свойства
-60 mesh, dry under argon with 99.9% purity; amorphous cryst: deliquescent; becomes red if exposed to the atmospheric; decahydrate: needles, becomes red, then brown in air; hexadecahydrate: prisms; decomposes in air to Na2CO3, Se and some Na2Se [MER06] [CER91]
Использование
Sodium selenide is used in paper and pulp industry, for kraft process followed by photographic industry to prevent developer solutions. It finds application as a bleaching agent in textile industry, sulfur dyes and detergents. It is also used to impart color to glass, glazes and enamels. Further, it acts as a decolorizer of glass due to neutralization of greenish tint produced by iron (ferrous) compounds. It plays an important role to prepare organoselenium compounds by reacting with alkyl halides.
Определение
ChEBI: An inorganic sodium salt having selenide as the counterion.
Профиль безопасности
Poison by intraperitoneal route. Mutation data reported. When heated to decomposition it emits toxic fumes of Se and Na2O. See also SELENIUM COMPOUNDS.
Селенид натрия препаратная продукция и сырье
сырьё
препарат
Селенид натрия поставщик
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1313-85-5(Селенид натрия)подобный поиск: