Molybdenum trioxide
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Description
A white powder that melts to a yellow liquid then solidifies to form pale yellow crystals. Molybdenum trioxide is used as a pigment in ceramic glazes and enamels.
Synonyms and Related Terms
molybdenum anhydride; molybdic oxide; molybdic acid hydride
Risks
- Toxic by inhalation and ingestion.
- Contact causes irritation.
- ThermoFisher: SDS
Physical and Chemical Properties
Soluble in concentrated mineral acids and alkalis. Slightly soluble in water.
| Composition | MoO3 |
|---|---|
| CAS | 1313-27-5 |
| Melting Point | 795 C |
| Density | 4.69 g/ml |
| Molecular Weight | mol. wt. = 143.94 |
| Boiling Point | 1150 C |
Resources and Citations
- The Merck Index, Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 Comment: entry 6321
- Robert Fournier, Illustrated Dictionary of Practical Pottery, Chilton Book Company, Radnor, PA, 1992
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993