Rubidium perchlorate
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| Rubidium perchlorate[1] | |
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| IUPAC name | Rubidium perchlorate |
| Other names | Perchloric acid rubidium salt, Rubidium chlorate (VII) |
| Identifiers | |
| CAS number | [13510-42-4] |
| PubChem | |
| EINECS number | |
| Properties | |
| Molecular formula | RbClO4 |
| Molar mass | 184.92 g.mol-1 |
| Appearance | Cololress crystals |
| Density | 2.878 g.cm-3
2.71 g.cm-3 over 279 °C |
| Melting point |
281 °C, 554 K, 538 °F |
| Boiling point |
600 °C (decomp.) |
| Hazards | |
| NFPA 704 |
 0
2
0
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| R-phrases | R8, R36/38 |
| S-phrases | (S2), S46 |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
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Rubidium perchlorate, RbClO4, is a perchlorate of rubidium.
It has two allotropes. One, below 279 °C crystalizes in orthorhombic crystal system with lattice constants a = 9.27, b = 5.81, c = 7.53 (.10-1 nm). Over 279 °C, it has cubic structure with lattice constant a = 7.70 .10-1 nm[1].
Table of solubility in water[1]:
| Temperature (°C) | 0 | 8.5 | 14 | 20 | 25 | 50 | 70 | 99 |
|---|---|---|---|---|---|---|---|---|
| Solubility (g / 100 ml) | 1.09 | 0.59 | 0.767 | 0.999 | 1.30 | 3.442 | 6.72 | 17.39 |
[edit] References
- ^ a b c F. Brezina, J. Mollin, R. Pastorek, Z. Sindelar. Chemicke tabulky anorganickych sloucenin (Chemical tables of inorganic compounds). SNTL, 1986.
[edit] External links
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