| Formula / Notation | Mn |
|---|---|
| CAS Number | 7439-96-5 |
| Molecular Weight | 54.94 |
| Melting Point | 1246.0 |
| Boiling Point | 2061.0 |
| Density | 7.43 |
| Solubility | Insoluble in water |
| Appearance | Hard, brittle, greyish-white metal |
| Also Known As | Mn, manganese metal |
| Category | Elements |
What is Manganese?
Manganese is a hard, brittle grey-white transition metal, atomic number 25. Essential trace element for all known living organisms. Important in steel production and as an oxidant in permanganate form. Found in manganese nodules on ocean floors.
Formula & Notation
IUPAC Name: Manganese
Other Names / Synonyms: Mn, manganese metal
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 1246.0 |
| Boiling Point | 2061.0 |
| Density | 7.43 |
| Molecular Weight | 54.94 |
| Solubility | Insoluble in water |
| Appearance | Hard, brittle, greyish-white metal |
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
Manganese is a hard, brittle grey-white transition metal, atomic number 25. Essential trace element for all known living organisms. Important in steel production and as an oxidant in permanganate form. Found in manganese nodules on ocean floors.
Steel alloys (prevents brittleness, deoxidises, desulfurises). Dry cell batteries (MnO2 cathode). KMnO4 oxidant and disinfectant. Mn alloys with Al and Cu. Pigments (MnO2 black, Mn3O4 brown). Dietary essential (enzymes, bone formation).
Manganese dust/fumes: chronic exposure causes manganism (neurological disorder resembling Parkinson disease). OSHA PEL: 0.2 mg/m3 (ceiling 5 mg/m3). KMnO4: strong oxidiser, corrosive. Manganese compounds: moderate toxicity if ingested.
The formula or notation for Manganese is: Mn