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

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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Q1: Is Huafeng Chemical a manufacturer or a trader?
A: We are a professional service provider specializing in chemical foreign trade. Rather than being limited to the products of a single factory, we leverage the chemical industry cluster in Shandong Province to integrate production resources from multiple high-quality manufacturers. This allows us to offer a wide range of sourcing options—covering various product categories and origins—instead of simply pushing a single product. Furthermore, our core competitiveness lies in our professional foreign trade services (covering documentation, logistics, and regulatory compliance), ensuring a smooth and worry-free procurement process for you.


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A: We strictly adhere to international trade rules (Incoterms® 2020) and accept various payment methods, such as Letters of Credit (L/C) and Telegraphic Transfers (T/T). For new clients, we support small-batch trial orders and can clearly define arbitration clauses and applicable laws within the contract. Additionally, we maintain a robust risk management system to help you mitigate common trade risks, such as exchange rate fluctuations, shipping delays, and document discrepancies.


Q3: Do you have experience serving clients in Russian-speaking regions?
A: Yes. We place great importance on the Russian-speaking market; our team includes Russian-speaking business professionals who are well-versed in the import regulations of Russia and the Eurasian Economic Union (EAEU). We understand the importance of EAC certification to clients in these regions and can assist with related compliance inquiries. We have established connections with chemical traders across various CIS countries and have gained valuable experience in specialized packaging and temperature-controlled shipping designed to withstand harsh local winter conditions.


Q4: How do you guarantee product quality?
A: We implement a strict supplier qualification and periodic audit system. A Certificate of Analysis (COA)—issued by the original manufacturer—is provided with every shipment. We also welcome pre-shipment inspections conducted by internationally recognized third-party agencies such as SGS, BV, or ITS. Should the test results fail to meet the standards specified in the contract, you have the right to reject the goods or request a replacement.

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