[Definition]
Chloro-auric acid is also known as "gold chloride" and "gold chloride tetrahydrate". The chemical formula is HAuCl4 4H2O. Molecular weight 411.85. Yellow acicular crystal. It's poisonous! It's corrosive. Soluble in water, soluble in ethanol, ether, slightly soluble in trichloromethane. Anhydrous chlorauric acid can be crystallized from ethanol solution |
[Appearance]
Golden yellow or yellow-red crystal |
[Melting point ]
30°C |
[density ]
3.9 g/mL at 25 °C |
[storage temp. ]
2-8°C |
[solubility ]
H2O: 20 mg/mL, soluble
|
[form ]
liquid |
[color ]
yellow |
[Odor]
Odorless |
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