69850
Molybdenum(VI) oxide
puriss. p.a., 99.5%
Synonym(s):
Molybdenum trioxide
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About This Item
Linear Formula:
MoO3
CAS Number:
Molecular Weight:
143.94
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352303
EC Number:
215-204-7
MDL number:
Assay:
99.5%
Form:
powder
grade
puriss. p.a.
Quality Level
assay
99.5%
form
powder
mp
795 °C (lit.)
anion traces
chloride (Cl-): ≤20 mg/kg, sulfate (SO42-): ≤50 mg/kg
cation traces
Ca: ≤20 mg/kg, Cd: ≤10 mg/kg, Co: ≤20 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤20 mg/kg, K: ≤50 mg/kg, Mg: ≤5 mg/kg, Mn: ≤10 mg/kg, NH4+: ≤50 mg/kg, Na: ≤50 mg/kg, Ni: ≤20 mg/kg, Pb: ≤20 mg/kg, Zn: ≤20 mg/kg
SMILES string
O=[Mo](=O)=O
InChI
1S/Mo.3O
InChI key
JKQOBWVOAYFWKG-UHFFFAOYSA-N
General description
Molybdenum(VI) oxide (MoO3) is an acidic metal(VI) oxide. It is widely employed in selective oxidation reactions. Its temperature-programmed reduction has been reported. Kinetics and mechanism of its reduction in the presence of hydrogen, propene, butene-1 and CO has been investigated. It is reduced to metal upon reaction with hydrogen at high temperatures.
Application
Molybdenum(VI) oxide (MoO3) has been used as a starting material for the deposition of Mo (Molybdenum) over the MgO-330 and MgO-500 supports by employing methanol as solvent.
Precursor to LAMOX fast ion conductors and superconductors.
Used in the solid state synthesis of a remarkable ternary, reduced molybdenum oxide, Pr4Mo9O18, whose structure contains previously unknown Mo7, Mo13 and Mo19 clusters. The new cluster product is a small band gap semiconductor.
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Warning
hcodes
Hazard Classifications
Carc. 2 - Eye Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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Kinetics and mechanism of molybdenum (VI) oxide reduction.
Sloczynski J.
Journal of Solid State Chemistry, 118(1), 84-92 (1995)
Temperature-programed reduction of molybdenum (VI) oxide and molybdenum (IV) oxide.
Arnoldy P, et al.
The Journal of Physical Chemistry, 89(21), 4517-4526 (1985)
Eagleson M.
Concise Encyclopedia Chemistry, 509-509 (1994)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 69850-100G | 04061835563470 |