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Rubidium perchlorate

CAS number : 13510-42-4

Molecular weight :184.918

Molecular formula/chemical symbol :RbClO4

Description :

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Rubidium perchlorate[1]

IUPAC name[hide]

Rubidium perchlorate

Other names[hide]

Perchloric acid rubidium salt,
Rubidium chlorate(VII)

Identifiers

CAS number

13510-42-4

PubChem

166834

ChemSpider

145966 YesY

EC number

236-840-1

Jmol-3D images

Image 1

Properties

Molecular formula

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, 554 K, 538 °F

Boiling point

600 °C (decomp.)

Solubility in water

see chart

Hazards

R-phrases

R8, R36/38

S-phrases

(S2), S46

 YesY (verify) (what is: YesY/N?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

Infobox references

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

Solubility (g / 100 ml)

1.09

0.59

0.767

0.999

1.30

3.442

6.72

17.39

 

 

 

 

 

 

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