| Identification | |
| Properties | |
| Melting Point: | 1630 deg C |
| Solubility: | Insol in water Insol in alcohol, or cold acids; slowly sol in hot concentrated potassium or sodium hydroxide soln Sol in concentrated sulfuric acid, hydrochloric acid |
| Color: | White, tetrahedral crystals White or slightly gray powder. |
| Safety Data | |
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