Description

Magnesium Hydroxycarbonate is a high-purity, inorganic compound with versatile industrial applications. It serves as a crucial source of magnesium and carbonate ions, valued for its stability and reactivity. This product is essential for manufacturers in the pharmaceutical, personal care, and specialty chemical industries seeking a reliable and consistent raw material.

Application

• Pharmaceuticals: Used as an antacid and as a source of magnesium in mineral supplements and tablet formulations.
• Personal Care: Acts as an opacifying agent, viscosity modifier, and neutralizer in creams, lotions, and deodorants.
• Polymer & Rubber Industry: Functions as a flame retardant filler and smoke suppressant in PVC, polyolefins, and elastomers.
• Specialty Chemicals: Serves as a precursor for high-purity magnesium oxide and other magnesium salts.
• Environmental Applications: Utilized in wastewater treatment for pH adjustment and heavy metal precipitation.
• Food Industry: Employed as a processing aid and a nutrient source in food fortification (subject to appropriate grade availability).
• Coatings & Paints: Used as a functional filler to improve whiteness, opacity, and rheological properties.

Basic Information

Product Name	Magnesium Hydroxycarbonate
CAS No.	16509-24-3
Molecular Formula	Typically represented as xMgCO₃·yMg(OH)₂·zH₂O
Molecular Weight	Variable (based on hydration and composition)
Synonyms	Basic Magnesium Carbonate; Hydromagnesite; Magnesium Carbonate Hydroxide; Magnesium Hydrogen Carbonate; Magnesium Subcarbonate; Light Magnesium Carbonate; CAS 16509-24-3
EINECS	240-597-9

Quality Control

Our Magnesium Hydroxycarbonate is produced under a rigorous quality management system. Each batch is tested to ensure it meets stringent specifications for purity, heavy metal content, and physical properties. Certificates of Analysis (COA) are provided with every shipment, and we can supply material compliant with relevant standards such as USP, FCC, or Ph. Eur. upon request.

Storage

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

Specification

Item	Specification
Appearance	White, fine powder
Identification (IR)	Conforms
Assay (as MgO)	40.0 - 45.0 %
Loss on Ignition	50.0 - 57.0 %
Acid Insoluble Substances	≤ 0.05 %
Chloride (Cl)	≤ 0.01 %
Sulfate (SO₄)	≤ 0.02 %
Heavy Metals (as Pb)	≤ 10 ppm
Arsenic (As)	≤ 2 ppm
Calcium (Ca)	≤ 0.10 %
Iron (Fe)	≤ 0.005 %

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