| Formula / Notation | Mo |
|---|---|
| CAS Number | 7439-98-7 |
| Molecular Weight | 95.96 |
| Melting Point | 2623.0 |
| Boiling Point | 4639.0 |
| Density | 10.28 |
| Solubility | Insoluble in water |
| Appearance | Silvery, hard metal with high melting point |
| Also Known As | Mo, molybdenum metal |
| Category | Elements |
What is Molybdenum?
Molybdenum is a silvery, hard transition metal, atomic number 42. Has the sixth-highest melting point of all elements. Essential trace element for most organisms (component of molybdoenzymes, including nitrogenase for nitrogen fixation). Main use is in steel alloys.
Formula & Notation
IUPAC Name: Molybdenum
Other Names / Synonyms: Mo, molybdenum metal
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 2623.0 |
| Boiling Point | 4639.0 |
| Density | 10.28 |
| Molecular Weight | 95.96 |
| Solubility | Insoluble in water |
| Appearance | Silvery, hard metal with high melting point |
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 is a silvery, hard transition metal, atomic number 42. Has the sixth-highest melting point of all elements. Essential trace element for most organisms (component of molybdoenzymes, including nitrogenase for nitrogen fixation). Main use is in steel alloys.
High-temperature steel alloys (turbine blades, gun barrels, nuclear reactors). Molybdenum disulfide (MoS2) dry lubricant. Fertiliser (essential plant micronutrient). Mo-99 (parent of Tc-99m) medical imaging. Catalyst in petroleum refining (hydrodesulfurisation).
Molybdenum metal: low acute toxicity. High doses of molybdenum compounds can cause gout-like symptoms (excess uric acid). MoO3 dust: mild respiratory irritant. Mo-99: radioactive parent nuclide - handle with radiation precautions.
The formula or notation for Molybdenum is: Mo