| Formula / Notation | Er |
|---|---|
| CAS Number | 7440-52-0 |
| Molecular Weight | 167.26 |
| Melting Point | 1529.0 |
| Boiling Point | 2868.0 |
| Density | 9.07 |
| Solubility | Insoluble in water |
| Appearance | Soft, silvery, malleable metal with pink tinge in compounds |
| Also Known As | Er, erbium metal |
| Category | Elements |
What is Erbium?
Erbium is a soft, silvery rare earth metal, atomic number 68. Produces characteristic pink/rose colour in glass and gemstones. Er-doped fibre amplifiers (EDFAs) are essential for long-distance optical fibre communications.
Formula & Notation
IUPAC Name: Erbium
Other Names / Synonyms: Er, erbium metal
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 1529.0 |
| Boiling Point | 2868.0 |
| Density | 9.07 |
| Molecular Weight | 167.26 |
| Solubility | Insoluble in water |
| Appearance | Soft, silvery, malleable metal with pink tinge in compounds |
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
Erbium is a soft, silvery rare earth metal, atomic number 68. Produces characteristic pink/rose colour in glass and gemstones. Er-doped fibre amplifiers (EDFAs) are essential for long-distance optical fibre communications.
Er-doped fibre amplifiers (EDFAs) - backbone of internet optical communications (amplifies 1550 nm signal). Er:YAG laser (2.94 micron - skin resurfacing, dental procedures). Pink/rose colourant in glass and gemstones. Infrared laser applications.
Erbium metal: combustible powder. Erbium compounds: low toxicity. Irritant. Er:YAG laser: powerful IR laser - serious eye and skin hazard. Erbium dust: respiratory irritant. Handle with standard precautions.
The formula or notation for Erbium is: Er