Sodium astatide
Inorganic compound of sodium and astatine
From Wikipedia, the free encyclopedia
Sodium astatide is a binary inorganic compound, a salt of sodium and astatine with the chemical formula NaAt.[3][4]
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| Names | |||
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| Preferred IUPAC name
Sodium astatide | |||
| Identifiers | |||
3D model (JSmol) |
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PubChem CID |
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| Properties | |||
| NaAt | |||
| Molar mass | 233 g·mol−1 | ||
| Melting point | 518 °C (964 °F; 791 K) calculated[1] | ||
| Thermochemistry | |||
Std enthalpy of formation (ΔfH⦵298) |
−257 kJ/mol (estimated)[2] | ||
| Related compounds | |||
Related compounds |
Magnesium astatide | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Synthesis
Sodium astatide solution has been prepared by distilling astatine from the bismuth alpha-ray target where it was prepared, dissolving in sodium bicarbonate solution, and reducing At+ and At3+ ions with ascorbic acid.[5]
Uses
Sodium astatide has been proposed for use in radiation therapy to replace 131I.[6][5]