Rubidium perchlorate
Appearance
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Names | |
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IUPAC name
Rubidium perchlorate
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Other names
Perchloric acid rubidium salt,
Rubidium chlorate(VII) | |
Identifiers | |
3D model (JSmol)
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ChemSpider | |
ECHA InfoCard | 100.033.476 |
EC Number |
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PubChem CID
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CompTox Dashboard (EPA)
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Properties | |
RbClO4 | |
Molar mass | 184.918 g/mol |
Appearance | Colorless crystals |
Density | 2.878 g/cm3 2.71 g/cm3 over 279 °C |
Melting point | 281 °C (538 °F; 554 K) |
Boiling point | 600 °C (decomp.) |
see chart | |
Hazards | |
NFPA 704 (fire diamond) | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Rubidium perchlorate, RbClO4, is the perchlorate of rubidium. It is an oxidizing agent, as are all perchlorates.
It has two allotropes. One, below 279 °C crystallizes in orthorhombic crystal system with lattice constants a = 0.927 nm, b = 0.581 nm, c = 0.753 nm. Over 279 °C, it has cubic structure with lattice constant a = 0.770 nm.[1]
Table of solubility in water:[1]
Temperature (°C) | 0 | 8.5 | 14 | 20 | 25 | 50 | 70 | 99 |
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Solubility (g / 100 ml) | 1.09 | 0.59 | 0.767 | 0.999 | 1.30 | 3.442 | 6.72 | 17.39 |