| Formula / Notation | Eu |
|---|---|
| CAS Number | 7440-53-1 |
| Molecular Weight | 151.96 |
| Melting Point | 822.0 |
| Boiling Point | 1529.0 |
| Density | 5.24 |
| Solubility | Reacts slowly with water |
| Appearance | Soft, silvery metal, reactive in air |
| Also Known As | Eu, europium metal |
| Category | Elements |
What is Europium?
Europium is a soft, silvery rare earth metal, atomic number 63. The most reactive lanthanide - reacts readily with water and air. Famous for its bright red (Eu3+) and blue (Eu2+) luminescence, used in TV phosphors and LED phosphors.
Formula & Notation
IUPAC Name: Europium
Other Names / Synonyms: Eu, europium metal
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 822.0 |
| Boiling Point | 1529.0 |
| Density | 5.24 |
| Molecular Weight | 151.96 |
| Solubility | Reacts slowly with water |
| Appearance | Soft, silvery metal, reactive in air |
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
Europium is a soft, silvery rare earth metal, atomic number 63. The most reactive lanthanide - reacts readily with water and air. Famous for its bright red (Eu3+) and blue (Eu2+) luminescence, used in TV phosphors and LED phosphors.
Red phosphor in CRT and LED displays (Eu3+ - YVO4:Eu, Y2O3:Eu). Blue phosphor (Eu2+). Euro banknote security features (Eu fluorescence). Neutron absorber in nuclear reactors (Eu-151, Eu-153). Luminescent biological labels. White LED phosphors.
Europium metal: reactive, reacts slowly with water. Eu compounds: moderate toxicity. Skin and eye irritant. Europium dust: combustible. Handle with standard precautions. Limited occupational exposure data.
The formula or notation for Europium is: Eu