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TANTALUM PENTOXIDE |
| Synonyms. Tantalum pentoxide; Ditantalum pentaoxide; Tantalic acid anhydride; Tantalum penta oxide; Tantalum (V) Oxide; |
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| PRODUCT IDENTIFICATION | |
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CAS RN |
1314-61-0 |
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EINECS RN |
215-238-2 |
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FORMULA |
Ta2O5 |
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MOLE WEIGHT |
441.85 |
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H.S CODE |
2825.90.9000 |
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SMILES |
O=[Ta](=O)O[Ta](=O)=O |
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CLASSIFICATION |
Tantalum compound |
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EXTRA NOTES |
Other RN: 12653-86-0, 53095-18-4, 184226-71-9 |
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| PHYSICAL AND CHEMICAL PROPERTIES | |
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PHYSICAL STATE |
white to beige powder |
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MELTING POINT |
1872 C |
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BOILING POINT |
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DENSITY |
8.2 g/ml |
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SOLUBILITY IN WATER |
Insoluble |
| SOLVENT SOLUBILITY |
Insoluble in organic solvents and most mineral acids, reacts with HF |
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VAPOR DENSITY |
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log P(octanol-water) |
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VAPOR PRESSURE |
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AUTOIGNITION TEMP |
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| pK |
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REFRACTIVE INDEX |
2.16 at 550 nm |
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FLASH POINT |
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| STABILITY AND REACTIVITY | |
| STABILITY | Stable under normal conditions. |
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INCOMPATIBLE MATERIALS |
Strong oxidizing agents. |
| POLYMERIZATION |
Has not been reported |
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NFPA RATINGS |
Health: 1, Flammability: 1, Reactivity: 0 |
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| EXTERNAL LINKS & GENERAL DESCRIPTION |
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USA.gov - Tantalum pentoxide Wikipedia Linking - Tantalum pentoxide Google Scholar Search - Tantalum pentoxide PubChem Compound Summary - Tantalum pentoxide NCBI (http://www.ncbi.nlm.nih.gov/) - Tantalum pentoxide EPA - Substance Registry Services - Tantalum pentoxide |
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| SALES SPECIFICATION | |
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APPEARANCE |
white to grey granule |
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ASSAY |
99.99% min (on dry metals basis) |
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TRACE IMPURITY |
Nb 5, Na 3, Ni 0.5, Ca 1, Cl 5, Co 0.1, Cr 1, Cu 1, Fe 1, F 15, K 1, Mg 1, Mn 0.5, Mo 0.5, B 1, Bi 0.5, Al 1, As 0.1, Pb 0.5, Sb 3, Si 3, Sn 1, Ti 1, V 0.5, W 0.2, Zr 0.5, LOI 1000 (ppm max) |
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| TRANSPORT & REGULATORY INFORMATION | |
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UN NO. |
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| HAZARD CLASS |
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| PACKING GROUP | |
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| SAFETY INFORMATION | |
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HAZARD OVERVIEW |
GHS (Globally Harmonised System) Classification: Not a dangerous substance. Potential Health Effects: Eyes - May cause eye irritation. Skin - May be harmful if absorbed through skin May cause skin irritation. Inhalation - May be harmful if inhaled. May cause respiratory tract irritation. Ingestion - May be harmful if swallowed. |
| HAZARD CODES |
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RISK PHRASES |
36/37/38 |
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SAFETY PHRASES |
26-37/39 |
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| PACKING |
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Preserved in light-resistant and well-closed bottles |
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