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Send EmailLanthanum Sulfate, Lanthanum(III) Sulfate, 10099-60-2
🔢 Lanthanum Sulfate
CAS No: 10099-60-2 Chemical Formula: La₂(SO₄)₃
A) Technical Properties
| Property | Value |
|---|---|
| Molecular Weight | 548.06 g/mol |
| Appearance | White crystalline or powder form |
| Solubility | Soluble in water |
| pH (1% solution) | Slightly acidic |
| Purity | 99.0–99.99% (high-purity commercial) |
| Hygroscopicity | Moderate |
| Thermal Stability | Stable up to ~600 °C |
| Packaging | PE bags, fiber drums, or glass bottles |
B) Application Areas
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Pigment Production: Used as a white pigment additive.
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Catalysis: Acts as a carrier or active phase in refinery and chemical synthesis catalysts.
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Laboratory Reagent: Used in rare earth solution preparation.
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Ceramics & Glass: Provides ionic conductivity and thermal stability.
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Electroplating: Used in ionic bath formulations for metal surface treatments.
C) Alternatives
| Application Area | Alternatives | Notes |
|---|---|---|
| Pigment Additive | Titanium Dioxide, Zinc Oxide | Varies in opacity and whiteness |
| Catalyst Support | Alumina, Zirconium Sulfate | Different surface area and acidity |
| Lab Solutions | Lanthanum Nitrate, Lanthanum Chloride | Varying solubility and ionic behavior |
D) Production Process
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Source: Typically derived from lanthanum oxide (La₂O₃) or carbonate.
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Reaction: Dissolved in sulfuric acid to form La₂(SO₄)₃ solution.
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Crystallization: Evaporation yields solid sulfate form.
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Filtration & Drying: Crystals are filtered, washed, and dried.
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Packaging: Delivered in moisture-resistant containers due to moderate hygroscopicity.
E) Synonyms / Other Names
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Lanthanum(III) sulfate
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Lanthanum sulfate
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La₂(SO₄)₃
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Rare earth sulfate
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Sulfate form of lanthanum salt
