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Send EmailLanthanum Hydroxide, Lanthanum (III) Hydroxide, 14507-19-8
🔢 Lanthanum Hydroxide
CAS No: 14507-19-8 Chemical Formula: La(OH)₃
A) Technical Properties
| Property | Value |
|---|---|
| Molecular Weight | 189.92 g/mol |
| Appearance | White amorphous or crystalline powder |
| Solubility | Poorly soluble in water; soluble in acids |
| pH (suspension) | Basic |
| Purity | ≥99.9% (high-purity commercial grade) |
| Thermal Stability | Stable up to ~400–500 °C |
| Hygroscopicity | Low |
| Packaging | PE bags, fiber drums, or glass bottles |
B) Application Areas
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Ceramics: Used as a high-temperature additive with dielectric properties.
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Catalysis: Serves as a basic-phase precursor or support in catalyst systems.
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Laboratory Reagent: Used in rare earth solution preparation.
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Sol-Gel Processes: Acts as a precursor in nanomaterial synthesis.
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Glass & Film Coatings: Enhances surface modification and optical properties.
C) Alternatives
| Application Area | Alternatives | Notes |
|---|---|---|
| Ceramic Additive | Lanthanum Oxide, Zirconium Hydroxide | Different dielectric and thermal profiles |
| Catalyst Support | Alumina, Magnesium Hydroxide | Selected based on acidic/basic character |
| Sol-Gel Precursor | Titania Sol, Cerium Hydroxide | Varies in optical and mechanical behavior |
D) Production Process
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Source: Typically prepared from lanthanum nitrate or chloride solutions.
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Precipitation: Reacted with sodium hydroxide or ammonium hydroxide to form La(OH)₃.
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Filtration & Drying: Precipitate is filtered, washed, and dried.
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Packaging: Delivered in standard moisture-resistant containers.
E) Synonyms / Other Names
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Lanthanum(III) hydroxide
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La(OH)₃
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Basic lanthanum salt
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Hydroxide form of rare earth compound
