Actinium (III) bromide - AcBr 3 , inorganic binary compound , actinium salt of hydrobromic acid . Colorless hexagonal crystals , soluble in water. Sublimation temperature 800 ° C.
| Actinium bromide | |
|---|---|
| Are common | |
| Systematic name | Actinium bromide (III) |
| Traditional names | Actinium bromide |
| Chem. formula | Acbr 3 |
| Rac formula | Acbr 3 |
| Physical properties | |
| condition | solid |
| Molar mass | 466.76 g / mol |
| Density | 5.85 g / cm³ |
| Thermal properties | |
| T. melt. | 827 ° C |
| T. Kip. | 1597 ° C |
| Classification | |
| Reg. CAS number | 33689-81-5 |
It was first obtained in 1950 by heating oxide or oxalate actinium with aluminum bromide at 750 ° C [1] :
Notes
- ↑ Sherman Fried, French Hagemann, WH Zachariasen. The Actinium Compounds ( Preparation ), The Journal of The American Chemical Society. - 1950. - Vol. 72 , no. 2 - P. 771-775 .