Ruthenium(IV) oxide

Ruthenium(IV) oxide
Names
	IUPAC name Ruthenium(IV) oxide
	Other names Ruthenium dioxide
Identifiers
CAS Number	12036-10-1 ;
3D model (JSmol)	Interactive image;
ECHA InfoCard	100.031.660
EC Number	234-840-6;
PubChem CID	82848;
CompTox Dashboard (EPA)	DTXSID0065193 ;
	InChI InChI=1S/2O.Ru;
	SMILES O=[Ru]=O;
Properties
Chemical formula	RuO2
Molar mass	133.0688 g/mol
Appearance	blue-black solid
Density	6.97 g/cm3
Boiling point	1,200 °C (2,190 °F; 1,470 K) sublimates
Solubility in water	insoluble
Magnetic susceptibility (χ)	+162.0·10−6 cm3/mol
Structure
Crystal structure	Rutile (tetragonal), tP6
Space group	P42/mnm, No. 136
Coordination geometry	Octahedral (RuIV); trigonal planar (O2−)
Hazards
Flash point	Non-flammable
Related compounds
Other anions	Ruthenium disulfide
Other cations	Osmium(IV) oxide
Related ruthenium oxides	Ruthenium tetroxide
Supplementary data page
	Ruthenium(IV) oxide (data page)
	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

Ruthenium(IV) oxide is the inorganic compound with the formula Ru O₂. This black solid is the most common oxide of ruthenium. It is widely used as an electrocatalyst for producing chlorine, chlorine oxides, and O₂. Like many dioxides, RuO₂ adopts the rutile structure.

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