Description

Tetra[Carbonato(2-)]Dihydroxypentamagnesium is a high-purity inorganic magnesium compound, also known as basic magnesium carbonate. This material is valued for its role as a high-performance source of magnesium and carbonate ions in various industrial processes. It is primarily sought after by manufacturers in the pharmaceutical, personal care, and specialty chemical industries for its functional properties and consistent quality.

Application

• Pharmaceutical Excipient: Used as an antacid and as a source of magnesium in tablet and powder formulations.
• Personal Care & Cosmetics: Acts as an opacifying agent, absorbent, and viscosity modifier in products like face powders, creams, and deodorants.
• Food Additive (FCC Grade): Employed as an anti-caking agent, acidity regulator, and nutrient supplement in food processing.
• Rubber & Polymer Industry: Serves as a filler and reinforcing agent to improve mechanical properties and processing.
• Specialty Chemicals: Used as a precursor or intermediate in the synthesis of other magnesium compounds and catalysts.
• Flame Retardant Additive: Incorporated into polymers and coatings to enhance fire resistance.
• Environmental Remediation: Utilized in wastewater treatment for pH adjustment and heavy metal precipitation.

Basic Information

Product Name	Tetra[Carbonato(2-)]Dihydroxypentamagnesium
CAS No.	7760-50-1
Molecular Formula	Mg5(CO3)4(OH)2·xH2O
Molecular Weight	485.65 (Anhydrous basis)
Synonyms	Basic Magnesium Carbonate; Magnesium Carbonate Hydroxide; Magnesium Hydroxide Carbonate; Hydromagnesite; Magnesium Carbonate, Basic; CAS 7760-50-1; Magnesium Carbonate (4:1); Pentamagnesium Dicarbonate Tetrahydroxide
EINECS	231-851-8

Quality Control

Our Tetra[Carbonato(2-)]Dihydroxypentamagnesium is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets the required specifications for purity, identity, and physical properties. Certificates of Analysis (COA) are provided with every shipment. We can supply grades compliant with USP, FCC, and industrial standards to meet diverse application needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture and carbon dioxide.

Specification

Item	Specification
Appearance	White, light powder
Identification (IR)	Conforms
Assay (as MgO)	40.0 - 45.0 %
Loss on Drying	≤ 2.0 %
Acid Insoluble Substances	≤ 0.05 %
Chloride (Cl)	≤ 0.01 %
Sulfate (SO4)	≤ 0.02 %
Calcium (Ca)	≤ 0.10 %
Heavy Metals (as Pb)	≤ 10 ppm
Arsenic (As)	≤ 3 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.