| Formula / Notation | MoO3 |
|---|---|
| CAS Number | 1313-27-5 |
| Molecular Weight | 143.95 |
| Melting Point | 1463 °F (NTP, 1992) |
| Boiling Point | 2111 °F at 760 mmHg (Sublimes) (NTP, 1992) |
| Density | 4.69 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Solubility | less than 1 mg/mL at 75 °F (NTP, 1992) |
| Appearance | Molybdenum trioxide appears as colorless to white or yellow odorless solid. Sinks in water. (USCG, 1999) |
| Also Known As | trioxomolybdenum; 1313-27-5; Molybdenum(VI) oxide; Molybdic anhydride; Molybdenum oxide (MoO3); Molybdic trioxide; Molybdena; MoO3; Molybdic acid anhydride; Molybdic oxide |
| Category | Inorganic Compounds |
What is Molybdenum trioxide?
Molybdenum Trioxide can cause cancer according to California Labor Code and the World Health Organization's International Agency for Research on Cancer (IARC).
Formula & Notation
IUPAC Name: trioxomolybdenum
Other Names / Synonyms: trioxomolybdenum; 1313-27-5; Molybdenum(VI) oxide; Molybdic anhydride; Molybdenum oxide (MoO3); Molybdic trioxide; Molybdena; MoO3; Molybdic acid anhydride; Molybdic oxide
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 1463 °F (NTP, 1992) |
| Boiling Point | 2111 °F at 760 mmHg (Sublimes) (NTP, 1992) |
| Density | 4.69 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Molecular Weight | 143.95 |
| Solubility | less than 1 mg/mL at 75 °F (NTP, 1992) |
| Appearance | Molybdenum trioxide appears as colorless to white or yellow odorless solid. Sinks in water. (USCG, 1999) |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Molybdenum Trioxide can cause cancer according to California Labor Code and the World Health Organization's International Agency for Research on Cancer (IARC).
Used in industrial processes, materials science, semiconductor manufacture, ceramics, or as a catalyst.
May be corrosive, toxic, or an oxidising agent. Handle in well-ventilated area. Consult SDS before use.
The formula or notation for Molybdenum trioxide is: MoO3