| Formula / Notation | Dy |
|---|---|
| CAS Number | 7429-91-6 |
| Molecular Weight | 162.5 |
| Melting Point | 1412.0 |
| Boiling Point | 2567.0 |
| Density | 8.54 |
| Solubility | Insoluble in water |
| Appearance | Silvery-white metal |
| Also Known As | Dy, dysprosium metal |
| Category | Elements |
What is Dysprosium?
Dysprosium is a silvery rare earth metal, atomic number 66. Second only to holmium in magnetic moment per atom. Critical component of high-performance NdFeB magnets where Dy additions improve high-temperature performance in EV motors.
Formula & Notation
IUPAC Name: Dysprosium
Other Names / Synonyms: Dy, dysprosium metal
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 1412.0 |
| Boiling Point | 2567.0 |
| Density | 8.54 |
| Molecular Weight | 162.5 |
| Solubility | Insoluble in water |
| Appearance | Silvery-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
Dysprosium is a silvery rare earth metal, atomic number 66. Second only to holmium in magnetic moment per atom. Critical component of high-performance NdFeB magnets where Dy additions improve high-temperature performance in EV motors.
NdFeB magnet additive (improves thermal stability for EV motors - critical material). Terfenol-D component. Control rods in nuclear reactors. Dy3+ in orange fluorescent labels. High-intensity lighting (DyI3). Data storage magnetics.
Dysprosium metal: reactive powder, combustible. Dy compounds: low to moderate toxicity. Irritant. Limited data. Handle with standard precautions. Dysprosium dust: respiratory irritant.
The formula or notation for Dysprosium is: Dy