| Chemistry name: | gold tribromide acid |
| M Formula: | HAuBr4•5H2O |
| Properties: | |
| Dark, red-brown, needle crystals or granular masses; odorless; metallic and acidic taste. Mp 27C. Stable in air if pure, but deliquescent if chloride is present. Soluble in water and alcohol. | |
| Derivation: | |
| By dissolving auric bromide in hydrobromic acid, concentration, and crystallization. | |