Molybdenum dioxide

Molybdenum dioxide
Names
IUPAC name
Molybdenum(IV) oxide
Other names
Molybdenum dioxide
Tugarinovite
Identifiers
ECHA InfoCard 100.038.746 Edit this at Wikidata
Properties
MoO2
Molar mass 127.94 g/mol
Appearance brownish-violet solid
Density 6.47 g/cm3
Melting point 1,100 °C (2,010 °F; 1,370 K) decomposes
insoluble
Solubility insoluble in alkalies, HCl, HF
slightly soluble in hot H2SO4
+41.0·10−6 cm3/mol
Structure
Distorted rutile (monoclinic)
Octahedral (MoIV); trigonal (O−II)
Hazards
Flash point Non-flammable
Related compounds
Other anions
Molybdenum disulfide
Other cations
Chromium(IV) oxide
Tungsten(IV) oxide
"Molybdenum blue"
Molybdenum trioxide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Molybdenum dioxide is the chemical compound with the formula MoO2. It is a violet-colored solid and is a metallic conductor. The mineralogical form of this compound is called tugarinovite, and is only very rarely found.