203815
Molybdenum(VI) oxide
99.97% trace metals basis
Synonym(s):
Molybdena, Molybdic anhydride, Molybdenum trioxide
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About This Item
Linear Formula:
MoO3
CAS Number:
Molecular Weight:
143.94
PubChem Substance ID:
eCl@ss:
38180807
UNSPSC Code:
12352303
NACRES:
NA.23
EC Number:
215-204-7
MDL number:
Quality Segment
assay
99.97% trace metals basis
form
powder
composition
MoO₃
reaction suitability
core: molybdenum
mp
795 °C (lit.)
application(s)
battery manufacturing
SMILES string
O=[Mo](=O)=O
InChI
1S/Mo.3O
InChI key
JKQOBWVOAYFWKG-UHFFFAOYSA-N
General description
Molybdenum(VI) oxide, also known as molybdenum trioxide, is a compound of molybdenum and oxygen with the approximate chemical formula of MoO3. Typically, it a white or light yellow powder, although molybdenum(VI) oxide can adopt a high concentration of defects including oxygen vacancies that impart a bluish or greenish color. Molybdenum(VI) oxide has a high melting point of 2,620 °C. Chemically, molybdenum(VI) oxide is a strong oxidizing agent and has a high work function. Consequently, it is used as a catalyst in chemical reactions and as a starting material to produce other molybdenum compounds. In addition, it is added to pigments, glasses, lubricants, and plastics.
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.
Used in the solid state synthesis of a remarkable ternary, reduced molybdenum oxide, Pr4Mo9O18, whose structure contains previously unknown Mo7, Mo13and 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
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
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