| Formula / Notation | Tb |
|---|---|
| CAS Number | 7440-27-9 |
| Molecular Weight | 158.93 |
| Melting Point | 1356.0 |
| Boiling Point | 3230.0 |
| Density | 8.23 |
| Solubility | Insoluble in water |
| Appearance | Soft, silvery-white, lustrous metal |
| Also Known As | Tb, terbium metal |
| Category | Elements |
What is Terbium?
Terbium is a soft, silvery-white rare earth metal, atomic number 65. Used in green phosphors for energy-efficient lighting and displays. Terfenol-D (TbDyFe) is a highly magnetostrictive alloy - changes shape when magnetised.
Formula & Notation
IUPAC Name: Terbium
Other Names / Synonyms: Tb, terbium metal
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 1356.0 |
| Boiling Point | 3230.0 |
| Density | 8.23 |
| Molecular Weight | 158.93 |
| Solubility | Insoluble in water |
| Appearance | Soft, silvery-white, lustrous 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
Terbium is a soft, silvery-white rare earth metal, atomic number 65. Used in green phosphors for energy-efficient lighting and displays. Terfenol-D (TbDyFe) is a highly magnetostrictive alloy - changes shape when magnetised.
Green phosphor in trichromatic fluorescent lamps and LED displays (Tb3+ doped yttrium aluminium garnet). Terfenol-D magnetostrictive alloy (sonar, actuators). Magneto-optical data storage. Fuel cell stabiliser (TbO with ZrO2).
Terbium metal: reactive powder, combustible. Terbium compounds: low to moderate toxicity. Irritant. Limited occupational exposure data. Handle dust with respiratory protection.
The formula or notation for Terbium is: Tb