Description

Tantalum Oxide CAS NO 59763-75-6 is a high-purity inorganic compound, also known as tantalum pentoxide, valued for its exceptional chemical stability, high dielectric constant, and optical properties. It is a critical material in advanced electronics and specialized ceramics, where performance and reliability are paramount. This product is essential for manufacturers and R&D facilities in the semiconductor, optical coating, and high-performance catalyst industries seeking consistent quality and technical support.

Application

• Dielectric Layers in Semiconductors: Used in the fabrication of high-k dielectric films for dynamic random-access memory (DRAM) and advanced logic devices.
• Optical Coatings: Serves as a high-refractive-index material for anti-reflective coatings, interference filters, and optical waveguides.
• Specialty Ceramics & Glass: A key additive to enhance the thermal stability, mechanical strength, and chemical resistance of advanced ceramics and optical glasses.
• Catalysis: Employed as a support or active component in catalysts for organic synthesis and exhaust gas treatment due to its acid-base properties.
• Corrosion-Resistant Coatings: Used to create protective layers on metal substrates, particularly for harsh chemical environments.
• Electronic Components: Integral in the production of ceramic capacitors, piezoelectric devices, and other passive electronic components.

Basic Information

Product Name	Tantalum Oxide
CAS No.	59763-75-6
Molecular Formula	Ta2O5
Molecular Weight	441.89 g/mol
Synonyms	Tantalum(V) Oxide; Tantalum Pentoxide; Ditantalum Pentaoxide; Tantalic Anhydride; Tantalic Oxide; Niobium-free Tantalum Oxide; High Purity Ta2O5
EINECS	261-963-6

Quality Control

Our Tantalum Oxide is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, impurity profiling by ICP-MS, and physical characterization, to ensure it meets exacting industry and customer-specific standards. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong acids and strong reducing agents. The product is hygroscopic (moisture-sensitive); ensure containers are sealed after use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (as Ta2O5)	≥ 99.9%
Particle Size (D50)	Customizable (e.g., 0.5 - 5.0 µm)
Loss on Drying (LOD)	≤ 0.5%
Impurities (ICP-MS)
Niobium (Nb)	≤ 50 ppm
Iron (Fe)	≤ 10 ppm
Silicon (Si)	≤ 20 ppm
Other Metallic Impurities	≤ 5 ppm each

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.