Rubidium perchlorate

Rubidium perchlorate
IUPAC name Rubidium perchlorate
Other names Perchloric acid rubidium salt, Rubidium chlorate(VII)
Identifiers
CAS number	13510-42-4
PubChem	166834
ChemSpider	145966 Y
EC number	236-840-1
Jmol-3D images	Image 1
SMILES [Rb+].[O-]Cl(=O)(=O)=O
InChI InChI=1S/ClHO4.Rb/c2-1(3,4)5;/h(H,2,3,4,5);/q;+1/p-1 Y Key: NQYGGOOZLKJKPS-UHFFFAOYSA-M Y InChI=1/ClHO4.Rb/c2-1(3,4)5;/h(H,2,3,4,5);/q;+1/p-1 Key: NQYGGOOZLKJKPS-REWHXWOFAS
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
NFPA 704	0 2 0 OX
Y (verify) (what is: Y/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.

Table of solubility in water:

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

External links

• MSDS at Science Lab