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Magnesium carbonate
- русский язык имя
- английское имяMagnesium carbonate
- CAS №13717-00-5
- CBNumberCB3146620
- ФормулаCMgO3
- мольный вес84.31
- EINECS208-915-9
- номер MDLMFCD00064632
- файл Mol13717-00-5.mol
химическое свойство
Температура плавления | 2200 °C |
плотность | 3.001 g/cm3 |
температура хранения | Hygroscopic, Room Temperature, under inert atmosphere |
форма | Solid |
цвет | White to Off-White |
Константа произведения растворимости (Ksp) | pKsp: 5.17 |
Стабильность | Hygroscopic |
InChI | InChI=1S/CH2O3.Mg/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2 |
ИнЧИКей | ZLNQQNXFFQJAID-UHFFFAOYSA-L |
SMILES | C([O-])([O-])=O.[Mg+2] |
FDA 21 CFR | 184.1425; 582.1425; 177.2600; 331.11 |
Справочник по базе данных CAS | 13717-00-5(CAS DataBase Reference) |
Рейтинг продуктов питания EWG | 1 |
FDA UNII | 0E53J927NA |
Код УВД | A02AA01,A06AD01 |
Система регистрации веществ EPA | Magnesite (13717-00-5) |
Информация о косметике | Magnesium Carbonate |
Magnesium carbonate химические свойства, назначение, производство
Описание
Magnesium carbonate has the molecular formula of MgCO3 and the molecular weight of 84.3145 g/mol.For the most part,Mg2+ forms several hydrated and basic carbonates that are stable and occur in nature.The calcite structure of magnesium carbonate has the form wherein Mg2+ is surrounded by six O2- atoms. The dihydrate composition has a triclinic structure, while the trihydrate has a monoclinic structure. References to “light” and “heavy” magnesium carbonates actually refer to the magnesium hydroxycarbonates. A space-filling structure of the anhydrous salt is seen in the above diagram where the triangular CO3 2- groups are clearly visible.
Химические свойства
Light, bulky, white powder. Soluble in acids; very slightly soluble in water; insoluble in alcohol. Noncombustible.Использование
Magnesium Carbonate is an anticaking agent and general purpose food additive. it is practically insoluble in water but is more soluble in water containing carbon dioxide. it imparts a slightly alkaline reaction to the water. it is used as an alkali in sour cream, butter, and canned peas. it is used as an anticaking agent in table salt and dry mixes. it assists in providing clarity in algin gels and functions as a filler in dental impression materials.Определение
The term magnesium carbonate is generally reserved for the synthetic, pure variety. The naturally occurring material is called magnesite.Magnesium carbonate запасные части и сырье
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Magnesium carbonate Обзор)
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