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Terbium Sulfate (Tb₂(SO₄)₃·8H₂O) is a white crystalline compound renowned for its role as a critical precursor for terbium-based materials and an efficient catalyst in organic transformations. With a CAS number of 10361-84-9 and a molecular weight of 736.02 g/mol (hydrated form), this compound offers purity levels of 99.9%-99.99% (4N), featuring excellent solubility in water and dilute acids. Its stable trivalent terbium ions (Tb³+) make it indispensable for synthesizing phosphors, magnetic materials, and advanced catalysts, while its low toxicity and thermal stability enhance its utility in both laboratory and industrial settings.
High Purity & Low Impurities: Stringent purification processes ensure transition metal contaminants (Fe, Cu, Ni) are <10ppm, critical for maintaining catalytic activity and material homogeneity.
Solubility Control: Readily dissolves in water (25 g/100 mL at 20°C) to form clear solutions, enabling precise control over Tb³+ ion concentration in sol-gel and hydrothermal synthesis.
Thermal Decomposition Behavior: Releases water of crystallization at 100-200°C and decomposes to Tb₄O₇ above 800°C, serving as a predictable precursor for oxide-basednanomaterials.
Lewis Acid Catalysis: Facilitates esterification, transesterification, and C-C bond formation reactions with high turnover rates, reducing reliance on corrosive mineral acids.
Hygroscopic Stability: The octahydrate form maintains flowability in ambient humidity (<60% RH), minimizing clumping during storage and handling.
Catalyst Production: Terbium(III) compounds are extensively used in synthesizing heterogeneous catalysts for biomass conversion processes. Leveraging the strong Lewis acidity of Tb³⁺ ions, these catalysts efficiently activate cellulose and other polysaccharides, promoting their transformation into high-value chemicals such as furfural, which is critical for sustainable bio-based chemical production.
Phosphor Synthesis: Tb³+-doped aluminosilicate phosphors serve as essential components in advanced LED lighting and display technologies. These phosphors emit vivid green light at 545 nm, providing excellent color rendering (CRI > 92) and long-term stability, ensuring superior brightness and color quality in modern solid-state lighting solutions.
Magnetic Materials: Incorporating Tb³⁺ ions into ferrite and other magnetic matrices significantly enhances magnetocrystalline anisotropy, making them ideal for high-frequency inductors in 5G communication devices. These materials reduce signal loss, increase operational efficiency, and support miniaturized electronics, meeting the stringent performance requirements of next-generation wireless technology.
Pharmaceutical Intermediates: Terbium(III) compounds act as effective catalysts in chiral and asymmetric synthesis reactions, including Diels-Alder cycloadditions. This capability enables the production of enantiomerically pure anti-cancer and antiviral pharmaceuticals, supporting the development of safer, high-efficacy drugs while improving yields and selectivity in modern medicinal chemistry.
Research & Development: Tb³⁺ compounds are valuable reference materials for analytical techniques like X-ray diffraction (XRD) and inductively coupled plasma (ICP) analysis. Additionally, they are employed as dopants in glass-ceramic composites, enhancing optical sensing performance and enabling precision measurement applications in scientific research and advanced material development.
Q: Is the anhydrous form of Terbium Sulfate available?
A: Yes, we offer both hydrated (octahydrate) and anhydrous forms; the anhydrous version is recommended for high-temperature sintering processes to avoid moisture-related defects.
Q: What is the optimal temperature for thermal decomposition into Tb₄O₇?
A: Complete decomposition occurs at 850-900°C under air, yielding a fine Tb₄O₇ powder with high surface area (15-20 m²/g) suitable for ceramic doping.
Q: Can Terbium Sulfate be used in electroplating baths?
A: Yes, its water-soluble nature allows integration into electrolyte formulations for depositing terbium-containing alloy coatings with improved corrosion resistance for aerospace fasteners.
Q: Does this product comply with REACH and RoHS regulations?
A: Absolutely, all batches undergo rigorous testing to ensure compliance with international standards for restricted substances (e.g., Pb, Cd, Hg < 1ppm).
Q: What packaging options are available for large-scale orders?
A: We provide 1kg, 5kg, and 25kg packages in moisture-resistant polyethylene bags inside cardboard drums, with custom packaging available for bulk quantities.
Terbium Sulfate (Tb₂(SO₄)₃·8H₂O) is a white crystalline compound renowned for its role as a critical precursor for terbium-based materials and an efficient catalyst in organic transformations. With a CAS number of 10361-84-9 and a molecular weight of 736.02 g/mol (hydrated form), this compound offers purity levels of 99.9%-99.99% (4N), featuring excellent solubility in water and dilute acids. Its stable trivalent terbium ions (Tb³+) make it indispensable for synthesizing phosphors, magnetic materials, and advanced catalysts, while its low toxicity and thermal stability enhance its utility in both laboratory and industrial settings.
High Purity & Low Impurities: Stringent purification processes ensure transition metal contaminants (Fe, Cu, Ni) are <10ppm, critical for maintaining catalytic activity and material homogeneity.
Solubility Control: Readily dissolves in water (25 g/100 mL at 20°C) to form clear solutions, enabling precise control over Tb³+ ion concentration in sol-gel and hydrothermal synthesis.
Thermal Decomposition Behavior: Releases water of crystallization at 100-200°C and decomposes to Tb₄O₇ above 800°C, serving as a predictable precursor for oxide-basednanomaterials.
Lewis Acid Catalysis: Facilitates esterification, transesterification, and C-C bond formation reactions with high turnover rates, reducing reliance on corrosive mineral acids.
Hygroscopic Stability: The octahydrate form maintains flowability in ambient humidity (<60% RH), minimizing clumping during storage and handling.
Catalyst Production: Terbium(III) compounds are extensively used in synthesizing heterogeneous catalysts for biomass conversion processes. Leveraging the strong Lewis acidity of Tb³⁺ ions, these catalysts efficiently activate cellulose and other polysaccharides, promoting their transformation into high-value chemicals such as furfural, which is critical for sustainable bio-based chemical production.
Phosphor Synthesis: Tb³+-doped aluminosilicate phosphors serve as essential components in advanced LED lighting and display technologies. These phosphors emit vivid green light at 545 nm, providing excellent color rendering (CRI > 92) and long-term stability, ensuring superior brightness and color quality in modern solid-state lighting solutions.
Magnetic Materials: Incorporating Tb³⁺ ions into ferrite and other magnetic matrices significantly enhances magnetocrystalline anisotropy, making them ideal for high-frequency inductors in 5G communication devices. These materials reduce signal loss, increase operational efficiency, and support miniaturized electronics, meeting the stringent performance requirements of next-generation wireless technology.
Pharmaceutical Intermediates: Terbium(III) compounds act as effective catalysts in chiral and asymmetric synthesis reactions, including Diels-Alder cycloadditions. This capability enables the production of enantiomerically pure anti-cancer and antiviral pharmaceuticals, supporting the development of safer, high-efficacy drugs while improving yields and selectivity in modern medicinal chemistry.
Research & Development: Tb³⁺ compounds are valuable reference materials for analytical techniques like X-ray diffraction (XRD) and inductively coupled plasma (ICP) analysis. Additionally, they are employed as dopants in glass-ceramic composites, enhancing optical sensing performance and enabling precision measurement applications in scientific research and advanced material development.
Q: Is the anhydrous form of Terbium Sulfate available?
A: Yes, we offer both hydrated (octahydrate) and anhydrous forms; the anhydrous version is recommended for high-temperature sintering processes to avoid moisture-related defects.
Q: What is the optimal temperature for thermal decomposition into Tb₄O₇?
A: Complete decomposition occurs at 850-900°C under air, yielding a fine Tb₄O₇ powder with high surface area (15-20 m²/g) suitable for ceramic doping.
Q: Can Terbium Sulfate be used in electroplating baths?
A: Yes, its water-soluble nature allows integration into electrolyte formulations for depositing terbium-containing alloy coatings with improved corrosion resistance for aerospace fasteners.
Q: Does this product comply with REACH and RoHS regulations?
A: Absolutely, all batches undergo rigorous testing to ensure compliance with international standards for restricted substances (e.g., Pb, Cd, Hg < 1ppm).
Q: What packaging options are available for large-scale orders?
A: We provide 1kg, 5kg, and 25kg packages in moisture-resistant polyethylene bags inside cardboard drums, with custom packaging available for bulk quantities.
