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Rubidium perchlorate, RbClO4, is the perchlorate of rubidium. It is an oxidizing agent, as are all perchlorates.

Rubidium perchlorate[1]
Rubidium perchlorate.png
Names
IUPAC name
Rubidium perchlorate
Other names
Perchloric acid rubidium salt,
Rubidium chlorate(VII), Rubidii perchloras (lat.)
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.033.476
EC Number
  • 236-840-1
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 (1,112 °F; 873 K) (decomposes)
see chart
Hazards
R-phrases (outdated) R8, R36/38
S-phrases (outdated) (S2), S46
NFPA 704
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

It has two polymorphs. 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
Solubility (g / 100 ml) 1.09 0.59 0.767 0.999 1.30 3.442 6.72 17.39

ReferencesEdit

  1. ^ a b c F. Brezina, J. Mollin, R. Pastorek, Z. Sindelar. Chemicke tabulky anorganickych sloucenin (Chemical tables of inorganic compounds). SNTL, 1986.

External linksEdit