Rhenium(IV) oxide

Rhenium(IV) oxide
IUPAC name Rhenium(IV) oxide
Other names Rhenium dioxide
Identifiers
CAS number	12036-09-8
PubChem	82847
	EC number	234-839-0
Jmol-3D images	{{#if:O=[Re]=O|Image 1
SMILES O=[Re]=O
InChI InChI=1S/2O.Re
Properties
Molecular formula	ReO2
Molar mass	218.206 g/mol
Appearance	gray orthorhombic crystals
Density	11.4 g/cm³[1]
Melting point	decomposes at 1000°C[2]
Solubility in water	insoluble
Solubility in alkali	insoluble
Structure
Crystal structure	Orthorohmbic, oP12
Space group	Pbcn, No. 60
Hazards
MSDS	Aldrich MSDS
NFPA 704	0 1 0
Related compounds
Other anions	Rhenium(VII) oxide Rhenium(III) oxide Rhenium(III) chloride
Other cations	manganese(IV) oxide Technetium(IV) oxide
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Rhenium(IV) oxide or rhenium dioxide is the chemical compound composed of rhenium and oxygen with the formula ReO₂. This gray to black crystalline solid is a laboratory reagent that can be used as a catalyst. It form perrhenates with alkaline hydrogen peroxide and oxidizing acids.^[3] It disproportionates when heated.^[4]

References