Magnesium carbonate is a white, odorless, and fine-grained inorganic compound with the chemical formula MgCO₃. It is used in various industries, including pharmaceuticals, personal care, food, and industrial applications. Magnesium carbonate has antacid properties, is a popular drying agent, and can be used as a filler or bulking agent in various products.
Benefits of Magnesium Carbonate
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Antacid Properties: Magnesium carbonate can neutralize stomach acid, making it useful in antacid formulations.
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Drying Agent: It is an effective moisture absorber, often used to keep products dry and prevent clumping.
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Filler and Bulking Agent: Magnesium carbonate can act as a filler in various products, providing structure and bulk.
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Abrasion Resistance: Its fine texture makes it useful in chalk and other applications where abrasion resistance is needed.
Common Uses of Magnesium Carbonate
Pharmaceuticals
Magnesium carbonate is used in pharmaceuticals for its antacid properties and as a filler. Common applications include:
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Antacid Tablets and Liquids: To neutralize stomach acid
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Medications: As a filler or bulking agent
Personal Care and Cosmetics
Magnesium carbonate is used in personal care and cosmetics for its drying and stabilizing properties. It is often found in:
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Cosmetics and Makeup: As a filler or bulking agent
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Deodorants: To absorb moisture and control odor
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Dry Shampoos: To absorb excess oil from hair
Food and Beverages
Magnesium carbonate is used in food products for various purposes. Common applications include:
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Anti-Caking Agent: To prevent clumping and keep products dry
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Carbonated Beverages: To add carbonation when combined with acids
Industrial Applications
Magnesium carbonate has various industrial uses, often related to its abrasive and moisture-absorbing properties. Common applications include:
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Climbing and Gym Chalk: To provide grip and absorb moisture from hands
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Ceramics and Glass: As a raw material for production
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Rubber and Plastics: As a filler or reinforcing agent
Product Specifications
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Chemical Formula: MgCO₃
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CAS No: 546-93-0
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Form: White powder
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Color: White
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Product Type: Inorganic compound
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Usage: Pharmaceuticals, personal care, food, industrial
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Purity: Typically 95–99%
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Shelf Life: 2 years or more, depending on storage conditions
Storage and Handling
Store magnesium carbonate in a cool, dry place, in a sealed container to prevent contamination and moisture absorption. Keep away from direct sunlight to maintain quality and consistency.