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Send EmailLanthanum Chloride, Lanthanum Chloride Heptahydrate, Lanthanum (III) Chloride, 10025-84-0
🔢 Lanthanum Chloride
CAS No: 10025-84-0 Chemical Formula: LaCl₃·7H₂O
A) Technical Properties
| Property | Value |
|---|---|
| Molecular Weight | 371.37 g/mol (heptahydrate) |
| Appearance | White crystalline, hygroscopic solid |
| Solubility | Soluble in water and alcohol |
| pH (1% solution) | Slightly acidic |
| Purity | ≥99.9% (high-purity commercial grade) |
| Density | ~2.6 g/cm³ |
| Stability | Sensitive to moisture |
| Packaging | Vacuum-sealed or desiccant-protected |
B) Application Areas
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Laboratory Reagent: Used in rare earth solution preparation and complex synthesis.
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Catalysis: Functions as a Lewis acid in organic reactions.
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Optical Coatings: Contributes to refractive index and clarity in thin films.
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Ceramics: Enhances ionic conductivity and thermal resistance.
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Electronics: Used in dielectric layers and ionic solutions for advanced materials.
C) Alternatives
| Application Area | Alternatives | Notes |
|---|---|---|
| Catalysis | Cerium Chloride, Yttrium Chloride | Similar Lewis acid behavior |
| Coating Systems | Lanthanum Acetate, Lanthanum Nitrate | Varying solubility and deposition profiles |
| Lab Solutions | Lanthanum Nitrate, Lanthanum Oxide | Different ionic forms and reactivity |
D) Production Process
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Source: Typically derived from lanthanum oxide (La₂O₃) or carbonate.
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Reaction: Dissolved in hydrochloric acid to form LaCl₃ solution.
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Crystallization: Evaporation yields the heptahydrate crystal form.
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Drying & Packaging: Delivered in moisture-proof containers due to hygroscopic nature.
E) Synonyms / Other Names
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Lanthanum(III) chloride
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Lanthanum chloride heptahydrate
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LaCl₃·7H₂O
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Rare earth chloride
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Chloride form of lanthanum salt
