| Identification | |
| Properties | |
| Solubility: | 0.000033 G/100 CC WATER @ 18 DEG C. Insoluble in water, ethanol, dilute acids and alkaline solutions Virtually insoluble in water, but soluble in alkali cyanides and in aqueous ammonia solution with complex ion formation |
| Color: | Black powder or lumps Black hexagonal crystals |
| Safety Data | |
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