All Photos(3)
Synonym(s):
Molybdenum(VI) oxide, Molybdenum trioxide
Linear Formula:
MoO3
CAS Number:
Molecular Weight:
143.94
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24
Recommended Products
grade
certified reference material
Quality Level
packaging
pkg of 1 pouch x 60 g
manufacturer/tradename
NIST®
technique(s)
XRF: suitable
mp
795 °C (lit.)
format
matrix material
SMILES string
O=[Mo](=O)=O
InChI
1S/Mo.3O
InChI key
JKQOBWVOAYFWKG-UHFFFAOYSA-N
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General description
This Standard Reference Material (SRM) is a molybdenum oxide (MoO3) concentrate from a commercial mining and refining process. SRM 423 is intended for use in the evaluation of chemical and instrumental methods of analysis. A unit of SRM 423 consists of one pouch containing approximately 60 g of powder. For more information, please refer to the COA and SDS.
SRM 423_cert
SRM 423_SDS
SRM 423_cert
SRM 423_SDS
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.
Other Notes
Certified for the analytes listed below.
Copper (Cu), Molybdenum (Mo)
Reference/Informational value is provided for the following analytes.
Iron (Fe), Lead (Pb), Acid-Insoluble Residue, Silver (Ag), Bismuth (Bi), Carbon (C), Calcium (Ca), Chromium (Cr), Magnesium (Mg), Manganese (Mn), Sodium (Na), Rhenium (Re), Sulfur (S), Antimony (Sb), Vanadium (V), Zinc (Zn)
See certificate for values and more details at nist.gov/SRM.
Copper (Cu), Molybdenum (Mo)
Reference/Informational value is provided for the following analytes.
Iron (Fe), Lead (Pb), Acid-Insoluble Residue, Silver (Ag), Bismuth (Bi), Carbon (C), Calcium (Ca), Chromium (Cr), Magnesium (Mg), Manganese (Mn), Sodium (Na), Rhenium (Re), Sulfur (S), Antimony (Sb), Vanadium (V), Zinc (Zn)
See certificate for values and more details at nist.gov/SRM.
Legal Information
NIST is a registered trademark of National Institute of Standards and Technology
SRM is a registered trademark of National Institute of Standards and Technology
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Carc. 2 - Eye Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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