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Magnesium Carbonate CAS#546-93-0

Magnesium Carbonate CAS#546-93-0

Basic Information

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

Product 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.


Product Information

Parameters


Melting point990°C
density3.05
refractive index1.717
solubilityPractically insoluble in water. It dissolves in dilute acids with effervescence.
formSolid
colorWhite
Odorat 100.00?%. odorless
Water Solubilityg 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
InChIInChI=1S/CH2O3.Mg/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2
InChIKeyZLNQQNXFFQJAID-UHFFFAOYSA-L
SMILES[Mg+2].C([O-])(=O)[O-]
LogP-0.809 (est)
CAS DataBase Reference546-93-0(CAS DataBase Reference)
NIST Chemistry ReferenceMagnesium carbonate(546-93-0)
EPA Substance Registry SystemMagnesium carbonate (546-93-0)


Safety Information


Safety Statements24/25-22
OEBB
OELTWA: 10 mg/m3 (total)
RTECSOM2470000
HS Code28369910
Hazardous Substances Data546-93-0(Hazardous Substances Data)


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