Molybdenum dioxide
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.
| Names | |
|---|---|
| IUPAC name
Molybdenum(IV) oxide | |
| Other names
Molybdenum dioxide Tugarinovite | |
| Identifiers | |
| ECHA InfoCard | 100.038.746 |
PubChem CID |
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CompTox Dashboard (EPA) |
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| 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 |
Related molybdenum oxides |
"Molybdenum blue" Molybdenum trioxide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |
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