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Send EmailLanthanum Carbonate, Lanthanum Carbonate Hydrate, Lanthanum Tricarbonate, 54451-24-0
🔢 Lanthanum Carbonate
CAS No: 54451-24-0 Chemical Formula: La₂(CO₃)₃·xH₂O
A) Technical Properties
| Property | Value |
|---|---|
| Molecular Weight | ~457.84 g/mol (anhydrous) |
| Appearance | White, odorless, crystalline powder |
| Solubility | Insoluble in water, soluble in acids |
| pH (suspension) | Slightly basic |
| Purity | 99.0–99.9% (commercial grade) |
| Stability | Stable under normal conditions |
| Packaging | Moisture-proof containers |
B) Application Areas
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Medical Use: Acts as a phosphate binder in patients with chronic kidney disease (CKD) to reduce serum phosphate levels.
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Ceramics: Used as a high-temperature additive for structural and dielectric ceramics.
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Glass Manufacturing: Enhances UV absorption and color balance in specialty glass.
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Catalysis: Serves as a precursor or support material in refinery and chemical synthesis catalysts.
C) Alternatives
| Application Area | Alternatives | Notes |
|---|---|---|
| Phosphate Binding | Sevelamer, Calcium Acetate | Lanthanum carbonate is calcium-free |
| Ceramic Additive | Zirconium Carbonate, Alumina | Offers different thermal expansion profiles |
| Glass Additive | Cerium Oxide, Titanium Dioxide | Varies in UV filtering and color tone |
D) Production Process
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Source: Derived from lanthanum-containing ores such as monazite or bastnäsite.
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Extraction: Lanthanum chloride or nitrate is prepared via acid leaching.
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Carbonation: Reacted with sodium carbonate or ammonium carbonate to precipitate La₂(CO₃)₃.
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Filtration & Drying: The precipitate is filtered, washed, and dried at low temperature to yield powder form.
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Packaging: Stored in sealed containers to prevent moisture uptake.
E) Synonyms / Other Names
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Lanthanum(III) carbonate
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La₂(CO₃)₃
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Lanthanum carbonate hydrate
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Pharmaceutical-grade lanthanum carbonate
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CKD phosphate binder
