Tantalum(V) oxide, Spectrographic Grade, 99.5% (metals basis)

Product Code.	Quantity	unitSize
11354879	100 g	100g
11344879	25 g	25g

Product Code. 11354879 Supplier Thermo Scientific Alfa Aesar Supplier No. 073118.22

Description

CAS: 1314-61-0 | O5Ta2 | 441.89 g/mol

Tantalum(V) oxide is used in the production of capacitors, due to its high dielectric constant. These capacitors are used in automotive electronics, cell phones, thin film components, and electronic circuitry. In addition, tantalum(V) oxide has been utilized in the fabrication of the glass of photographic lenses. Due to its high biocompatibility and resistivity, it has attracted many biomedical applications. It is used in tantalum capacitors, resistive switching memories, high frequency CMOS (Complementary metal-oxide-semiconductors) integrated circuits, and high-k dielectric for DRAM (Dynamic random-access memory) capacitor applications. It has been shown to improve corrosion resistance and cytocompatibility of titanium substrates.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 1314-61-0
• Molecular Formula: O5Ta2
• Molecular Weight (g/mol): 441.89
• MDL Number: MFCD00011254
• InChI Key: PBCFLUZVCVVTBY-UHFFFAOYSA-N
• IUPAC Name: [(dioxotantalio)oxy]dioxotantalum
• SMILES: O=[Ta](=O)O[Ta](=O)=O

• Melting Point: 1800°C
• Physical Form: Powder
• Quantity: 100 g
• Merck Index: 14,9056
• Solubility Information: Insoluble in almost all organic solvents. Solubility is negligible in water.
• Formula Weight: 441.89
• Percent Purity: 99.5%
• Grade: Spectrographic
• Odor: Odorless
• Density: 8.2 g/mL
• Assay: (metals basis)
• Chemical Name or Material: Tantalum (V) oxide

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RUO – Research Use Only