Magnesium carbonate
- CAS No.
- 13717-00-5
- Chemical Name:
- Magnesium carbonate
- Synonyms
- MAGNESITE;Magnesite (Mg(CO3));giobertite;heavycp2000;MAGGRAN(R) MC;MAGNESIA 81811;MAGNESIA 81010;Magnesite dust;MAGGRAN(R) MCPLUS;MAGNESIUM CARBONATE
- CBNumber:
- CB3146620
- Molecular Formula:
- CMgO3
- Molecular Weight:
- 84.31
- MOL File:
- 13717-00-5.mol
- Modify Date:
- 2024/5/29 16:45:47
| Melting point | 2200 °C |
|---|---|
| Density | 3.001 g/cm3 |
| storage temp. | Hygroscopic, Room Temperature, under inert atmosphere |
| form | Solid |
| color | White to Off-White |
| Solubility Product Constant (Ksp) | pKsp: 5.17 |
| Stability | Hygroscopic |
| CAS DataBase Reference | 13717-00-5(CAS DataBase Reference) |
| EPA Substance Registry System | Magnesite (13717-00-5) |
Magnesium carbonate Chemical Properties,Uses,Production
Description
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.
Chemical Properties
Light, bulky, white powder. Soluble in acids; very slightly soluble in water; insoluble in alcohol. Noncombustible.
Uses
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.
Definition
The term magnesium carbonate is generally reserved for the synthetic, pure variety. The naturally occurring material is called magnesite.
Magnesium carbonate Preparation Products And Raw materials
Raw materials
Preparation Products
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