M2277
Molybdenum(VI) oxide
ACS reagent, ≥99.5%
Synonym(s):
Molybdenum trioxide
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About This Item
Linear Formula:
MoO3
CAS Number:
Molecular Weight:
143.94
EC Number:
215-204-7
UNSPSC Code:
12352300
MDL number:
InChI key
JKQOBWVOAYFWKG-UHFFFAOYSA-N
InChI
1S/Mo.3O
SMILES string
O=[Mo](=O)=O
grade
ACS reagent
assay
≥99.5%
mp
795 °C (lit.)
anion traces
arsenate, phosphate, and silicate (as SiO2): ≤0.001%, chloride (Cl-): ≤0.002%, nitrate (NO3-): passes test (limit about 0.003%), phosphate (PO43-): ≤5 ppm, sulfate (SO42-): ≤0.02%
cation traces
NH4+: ≤0.002%, heavy metals (as Pb): ≤0.005%
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Application
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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