545007

Tantalum

powder, 99.99% trace metals basis

• Synonym(s): Ta
• Empirical Formula (Hill Notation): Ta
• CAS Number: 7440-25-7
• Molecular Weight: 180.95
• NACRES: NA.23
• PubChem Substance ID: 24878801
• UNSPSC Code: 12141741
• MDL number: MFCD00011252

Properties

• vapor pressure: <0.01 mmHg ( 537.2 °C)
• Quality Segment: 100
• assay: 99.99% trace metals basis
• form: powder
• autoignition temp.: 572 °F
• reaction suitability: core: tantalum
• resistivity: 13.5 μΩ-cm, 20°C
• bp: 5425 °C (lit.)
• mp: 2996 °C (lit.)
• density: 16.69 g/cm³ (lit.)
• application(s): metallization
• SMILES string: [Ta]
• InChI: 1S/Ta
• InChI key: GUVRBAGPIYLISA-UHFFFAOYSA-N

Description

Application

Tantalum powder, a semiconducting material, is used as a photocatalyst and shows high efficiency in the solar splitting of water. Its biocompatibility makes it useful in the development of medical devices and implants.

Safety Information

• pictograms: GHS02
• signalword: Danger
• hcodes: H228
• pcodes: P210 - P240 - P241 - P280 - P370 + P378
• Hazard Classifications: Flam. Sol. 1
• Storage Class: 4.1B - Flammable solid hazardous materials
• wgk: nwg
• flash_point_f: Not applicable
• flash_point_c: Not applicable