| Formula / Notation | Mg |
|---|---|
| CAS Number | 7439-95-4 |
| Molecular Weight | 24.3 |
| Melting Point | 650.0 |
| Boiling Point | 1091.0 |
| Density | 1.74 |
| Solubility | Slightly soluble (reacts with water slowly) |
| Appearance | Shiny, light grey metal |
| Also Known As | Mg, magnesium metal |
| Category | Elements |
What is Magnesium?
Magnesium is a shiny grey alkaline earth metal, atomic number 12. Eighth most abundant element in Earth crust. Essential for life - central atom in chlorophyll. Burns with intensely bright white flame. Lightest structural metal.
Formula & Notation
IUPAC Name: Magnesium
Other Names / Synonyms: Mg, magnesium metal
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 650.0 |
| Boiling Point | 1091.0 |
| Density | 1.74 |
| Molecular Weight | 24.3 |
| Solubility | Slightly soluble (reacts with water slowly) |
| Appearance | Shiny, light grey 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
Magnesium is a shiny grey alkaline earth metal, atomic number 12. Eighth most abundant element in Earth crust. Essential for life - central atom in chlorophyll. Burns with intensely bright white flame. Lightest structural metal.
Lightweight structural alloys (aircraft, cars, laptops). Magnesium oxide refractory. Antacids and laxatives (Mg(OH)2). Epsom salts (MgSO4). Fireworks and flares (white flame). Ti and Zr production. Dietary supplement.
Magnesium powder and ribbon: fire hazard - burns intensely (3100 C flame). Water and CO2 extinguishers ineffective - use dry sand. Mg fires very difficult to extinguish. Fine powder: dust explosion risk. Reacts with water when finely divided.
The formula or notation for Magnesium is: Mg