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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
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grade

ACS reagent

Quality Segment

200

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%

SMILES string

O=[Mo](=O)=O

InChI

1S/Mo.3O

InChI key

JKQOBWVOAYFWKG-UHFFFAOYSA-N

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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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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Class I Designated Chemical Substances

prtr

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

267856-500G:4.548173935058E12 + 267856-100G:4.548173935041E12

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