Holmium bromide (III) is an inorganic compound, a salt of holmium and hydrobromic acid with the formula HoBr 3 , yellow crystals, dissolves in water, forms crystalline hydrate .
| Holmium bromide | |
|---|---|
| Are common | |
| Systematic name | Holmium bromide (III) |
| Traditional names | Holmium bromide, holmium tribromide |
| Chem. formula | Hobr 3 |
| Physical properties | |
| condition | yellow crystals |
| Molar mass | 404.66 g / mol |
| Density | 4.85 g / cm³ |
| Thermal properties | |
| T. melt. | 914; 917; 919 ° C |
| T. bale. | 1336; 1470 ° C |
| Like heat resistant. | 100 J / (mol · K) |
| Chemical properties | |
| Solubility in water | 88 g / 100 ml |
| Classification | |
| Reg. CAS number | 13825-76-8 |
| PubChem | |
| Reg. EINECS number | Br [Ho] (Br) Br |
| Smiles | |
| Inchi | |
| Reg. EC number | 237-524-6 |
| ChemSpider | |
Getting
- The action of gaseous hydrogen bromide on holmium sawdust:
- {\ displaystyle {\ mathsf {2Ho + 6HBr \ {\ xrightarrow {T}} \ 2HoBr_ {3} + 3H_ {2}}}}
- Bromination of metallic holmium:
Physical Properties
Holmium (III) bromide forms yellow, very hygroscopic crystals.
Forms a crystalline hydrate of the composition HoBr 3 • x H 2 O.
Literature
- Chemistry Handbook / Editorial: Nikolsky B.P. et al. - 3rd ed., rev. - L .: Chemistry, 1971. - T. 2. - 1168 p.
- Inorganic Synthesis Guide: 6 Vol. / Ed. Brower G. - M .: Mir, 1985 .-- T. 4 .-- 447 p.