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Lanthanum Acetate (La(OOCCH₃)₃·nH₂O) is a white, highly soluble compound valued for its role in producing homogeneous lanthanum-based materials and as an efficient catalyst in organic synthesis. With a CAS number of 6107-85-3 and a molecular weight of 310.03 g/mol (anhydrous), this compound offers purity levels of 99.9%-99.99% (4N), featuring excellent solubility in water (55 g/100 mL at 20°C) and organic solvents like ethanol and acetone. Its low melting point and controlled hydrolysis make it ideal for solution-based manufacturing processes.
1. High Solubility: Enables precise control over La³+ ion concentration in sol-gel, hydrothermal, and electrospinning processes, critical for nanomaterial synthesis.
2. Low Residue Thermal Decomposition: Releases acetic acid at 200-300°C, leaving pure La₂O₃ with <0.1% carbon residue, suitable for electronic and optical applications.
3. Chelation Ability: Forms stable complexes with organic ligands, improving the dispersion of lanthanum in polymer matrices and composite materials.
4. pH Stability: Maintains solution clarity across a wide pH range (4-9), supporting its use in both acidic and basic synthesis environments.
5. Ultra-Pure Grade Availability: 5N-grade products (99.999%) offer transition metal impurities <1 ppm, meeting the stringent requirements of semiconductor industries.
• Sol-Gel Coatings: Used to deposit lanthanum-doped titania films on solar panels, enhancing light absorption and reducing charge recombination losses.
• Catalyst Precursors: Forms active sites in zeolite-based catalysts for methanol-to-olefin (MTO) reactions, increasing propylene selectivity by 10% compared to chloride-based precursors.
• Electronics: Provides La³+ ions for dielectric materials in MLCCs, improving capacitance-temperature stability in high-reliability electronic devices.
• Biomedical Materials: Used in the synthesis of lanthanum-doped hydroxyapatite for bone graft substitutes, promoting osteoblast adhesion and mineralization.
• Research & Development: Serves as a reagent in atomic layer deposition (ALD) for growing La-based thin films with Angstrom-level thickness control.
Q: What is the difference between hydrated and anhydrous Lanthanum Acetate?
A: Hydrated forms (typically trihydrate) contain 3-5 water molecules, while anhydrous is preferred for high-temperature processes to avoid steam-induced defects.
Q: Can it be used in food contact applications?
A: Yes, as a stabilizer in food packaging polymers, with FDA approval for indirect food contact (21 CFR 178.3297).
Q: How does acetate counterion affect material properties?
A: Acetate promotes homogeneous mixing in organic solvents, reducing the need for harsh mineral acids and enabling eco-friendly synthesis routes.
Q: What is the shelf life under standard storage conditions?
A: Sealed at <25°C and <50% RH, the shelf life is 3 years; once opened, store in a desiccator to prevent moisture absorption.
Q: Is it compatible with other rare-earth acetates for co-doping?
A: Yes, it can be blended with yttrium, neodymium, or erbium acetates to create multi-doped precursor solutions for complex oxide systems.
Lanthanum Acetate (La(OOCCH₃)₃·nH₂O) is a white, highly soluble compound valued for its role in producing homogeneous lanthanum-based materials and as an efficient catalyst in organic synthesis. With a CAS number of 6107-85-3 and a molecular weight of 310.03 g/mol (anhydrous), this compound offers purity levels of 99.9%-99.99% (4N), featuring excellent solubility in water (55 g/100 mL at 20°C) and organic solvents like ethanol and acetone. Its low melting point and controlled hydrolysis make it ideal for solution-based manufacturing processes.
1. High Solubility: Enables precise control over La³+ ion concentration in sol-gel, hydrothermal, and electrospinning processes, critical for nanomaterial synthesis.
2. Low Residue Thermal Decomposition: Releases acetic acid at 200-300°C, leaving pure La₂O₃ with <0.1% carbon residue, suitable for electronic and optical applications.
3. Chelation Ability: Forms stable complexes with organic ligands, improving the dispersion of lanthanum in polymer matrices and composite materials.
4. pH Stability: Maintains solution clarity across a wide pH range (4-9), supporting its use in both acidic and basic synthesis environments.
5. Ultra-Pure Grade Availability: 5N-grade products (99.999%) offer transition metal impurities <1 ppm, meeting the stringent requirements of semiconductor industries.
• Sol-Gel Coatings: Used to deposit lanthanum-doped titania films on solar panels, enhancing light absorption and reducing charge recombination losses.
• Catalyst Precursors: Forms active sites in zeolite-based catalysts for methanol-to-olefin (MTO) reactions, increasing propylene selectivity by 10% compared to chloride-based precursors.
• Electronics: Provides La³+ ions for dielectric materials in MLCCs, improving capacitance-temperature stability in high-reliability electronic devices.
• Biomedical Materials: Used in the synthesis of lanthanum-doped hydroxyapatite for bone graft substitutes, promoting osteoblast adhesion and mineralization.
• Research & Development: Serves as a reagent in atomic layer deposition (ALD) for growing La-based thin films with Angstrom-level thickness control.
Q: What is the difference between hydrated and anhydrous Lanthanum Acetate?
A: Hydrated forms (typically trihydrate) contain 3-5 water molecules, while anhydrous is preferred for high-temperature processes to avoid steam-induced defects.
Q: Can it be used in food contact applications?
A: Yes, as a stabilizer in food packaging polymers, with FDA approval for indirect food contact (21 CFR 178.3297).
Q: How does acetate counterion affect material properties?
A: Acetate promotes homogeneous mixing in organic solvents, reducing the need for harsh mineral acids and enabling eco-friendly synthesis routes.
Q: What is the shelf life under standard storage conditions?
A: Sealed at <25°C and <50% RH, the shelf life is 3 years; once opened, store in a desiccator to prevent moisture absorption.
Q: Is it compatible with other rare-earth acetates for co-doping?
A: Yes, it can be blended with yttrium, neodymium, or erbium acetates to create multi-doped precursor solutions for complex oxide systems.
