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Magnesium Carbonate CAS#546-93-0

High-Purity Source – Although naturally occurring as magnesite, the magnesium carbonate used is synthetically manufactured to ensure consistent quality.

Versatile Production Methods – Available as natural mineral–derived or prepared as trihydrate salt via controlled chemical reactions.

Reliable Manufacturing – Produced by mixing magnesium and carbonate ions in the presence of carbon dioxide, ensuring reproducible composition.

Widely Recognized Compound – An important magnesium compound with established applications across industries.

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Product Description

Products Description of Magnesium Carbonate CAS#546-93-0

Magnesium carbonate (MgCO3, pKso = 7.5–8.2) is an important magnesium compound that occurs naturally as the mineral magnesite. However, the magnesium carbonate used in the United States is predominantly synthetically manufactured.

It is mainly obtained through the mining of natural magnesite. The trihydrate form, MgCO3·3H2O, is prepared by mixing magnesium and carbonate ion solutions in the presence of carbon dioxide.

Product Application of Magnesium Carbonate CAS#546-93-0

Magnesium carbonate has a wide range of applications across multiple industries. It is used in flooring materials, fireproofing, and fire-extinguishing compositions; as a filler and smoke suppressant in plastics; as a reinforcing agent in neoprene rubber; and as a drying agent and color-retention additive in foods and cosmetics.

In medicine, magnesium carbonate serves as an antacid and is also added to table salt. Additionally, it is an important starting material for the production of various magnesium compounds.

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Product Information

Parameters

Melting point	990°C
density	3.05
refractive index	1.717
solubility	Practically insoluble in water. It dissolves in dilute acids with effervescence.
form	Solid
color	White
Odor	at 100.00?%. odorless
Water Solubility	g MgCO3/100g solution at CO2 pressure, kPa, 18°C: 3.5 (203), 4.28 (405), 5.90 (1010), 7.49 (1820), 7.49 (5670); at 0°C 8.58 (3445), at 60°C 5.56 (3445); soluble acids; insoluble alcohol [HAW93] [KIR81]
Stability:	Hygroscopic
InChI	InChI=1S/CH2O3.Mg/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2
InChIKey	ZLNQQNXFFQJAID-UHFFFAOYSA-L
SMILES	[Mg+2].C([O-])(=O)[O-]
LogP	-0.809 (est)
CAS DataBase Reference	546-93-0(CAS DataBase Reference)
NIST Chemistry Reference	Magnesium carbonate(546-93-0)
EPA Substance Registry System	Magnesium carbonate (546-93-0)