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Merck
CN

267856

Molybdenum(VI) oxide

ACS reagent, ≥99.5%

Synonym(s):

Molybdenum trioxide

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About This Item

Linear Formula:
MoO3
CAS Number:
1313-27-5
Molecular Weight:
143.94
NACRES:
NA.21
PubChem Substance ID:
329752884
UNSPSC Code:
12352303
EC Number:
215-204-7
MDL number:
MFCD00003469
Assay:
≥99.5%
Grade:
ACS reagent
Form:
powder

Key Documents

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Product Name

Molybdenum(VI) oxide, ACS reagent, ≥99.5%

InChI key

JKQOBWVOAYFWKG-UHFFFAOYSA-N

InChI

1S/Mo.3O

SMILES string

O=[Mo](=O)=O

grade

ACS reagent

assay

≥99.5%

form

powder

reaction suitability

reagent type: catalyst
core: molybdenum

impurities

≤0.01% insol. dil. NH4OH

mp

795 °C (lit.)

anion traces

AsO43-, PO43- and SiO2: ≤0.001%
chloride (Cl-): ≤0.002%
nitrate (NO3-): passes test
phosphate (PO43-): ≤5 ppm
sulfate (SO42-): ≤0.02%

cation traces

NH4+: ≤0.002%
heavy metals (as Pb): ≤0.005%

Quality Level

200

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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.

pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Warning

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

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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ6059
MKCX6949
MKCW5995
MKCV3400
MKCT0747

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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, 224-224 (1994)
Eagleson M.
Concise Encyclopedia Chemistry, 509-509 (1994)
High-activity MgO-supported CoMo hydrodesulfurization catalysts prepared by non-aqueous impregnation.
Kaluza L, et al.
Applied Catalysis. B, Environmental, 162, 430-436 (2015)
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