chemical compound From Wikipedia, the free encyclopedia
Telluric acid is a chemical compound. It is an acid. Its chemical formula is H6TeO6. It contains hydrogen and tellurate ions. It contains the TeO66- form of the tellurate ion.
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| Names | |
|---|---|
| IUPAC name
Hexahydroxidotellurium | |
| Other names
Orthotelluric acid | |
| Identifiers | |
3D model (JSmol) |
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| ChEBI | |
| ChemSpider | |
| ECHA InfoCard | 100.029.334 |
PubChem CID |
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CompTox Dashboard (EPA) |
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SMILES
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| Properties | |
| H6O6Te | |
| Molar mass | 229.64 g/mol |
| Appearance | White monoclinic crystals |
| Density | 3.07 g/cm3 |
| Melting point | 136°C (409.15 K) |
| 50.1 g/100 ml at 30°C[1] | |
| Acidity (pKa) | 7.68, 11.0 at 18°C[1] |
| Structure | |
| octahedral | |
| 0 D | |
| Hazards | |
| Main hazards | corrosive |
| Related compounds | |
| Other anions | {{{value}}} |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
Telluric acid is a weak acid. It reacts with strong bases to make tellurates. It is a powerful oxidizing agents. It can be dehydrated to make tellurium trioxide. The metatelluric acid, H2TeO4, does not exist.
Telluric acid can be made by reacting tellurium dioxide with chromium trioxide or hydrogen peroxide.
It is used to make other tellurates such as sodium tellurate.
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