Rhenium(IV) oxide

Rhenium(IV) oxide
	; Re O
Names
	IUPAC name Rhenium(IV) oxide
	Other names Rhenium dioxide
Identifiers
CAS Number	12036-09-8 ;
3D model (JSmol)	Interactive image;
ECHA InfoCard	100.031.659
EC Number	234-839-0;
PubChem CID	82847;
CompTox Dashboard (EPA)	DTXSID5065192 ;
	InChI InChI=1S/2O.Re;
	SMILES O=[Re]=O;
Properties
Chemical formula	ReO2
Molar mass	218.206 g/mol
Appearance	gray orthorhombic crystals
Density	11.4 g/cm3
Melting point	decomposes at 1000 °C
Solubility in water	insoluble
Solubility in alkali	insoluble
Magnetic susceptibility (χ)	+44.0·10−6 cm3/mol
Structure
Crystal structure	Orthorohmbic, oP12
Space group	Pbcn, No. 60
Hazards
NFPA 704 (fire diamond)	1 0 0
Safety data sheet (SDS)	Aldrich MSDS
Related compounds
Other anions	Rhenium(VII) oxide; Rhenium(III) oxide; Rhenium(III) chloride
Other cations	manganese(IV) oxide; Technetium(IV) oxide
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Rhenium(IV) oxide or rhenium dioxide is the inorganic compound with the formula ReO₂. This gray to black crystalline solid is a laboratory reagent that can be used as a catalyst. It adopts the rutile structure.

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