| Formula / Notation | Pr |
|---|---|
| CAS Number | 7440-10-0 |
| Molecular Weight | 140.91 |
| Melting Point | 931.0 |
| Boiling Point | 3520.0 |
| Density | 6.77 |
| Solubility | Insoluble in water |
| Appearance | Soft, silvery, yellowish metal |
| Also Known As | Pr, praseodymium metal |
| Category | Elements |
What is Praseodymium?
Praseodymium is a soft, silvery, yellowish rare earth metal, atomic number 59. Its name comes from Greek for green twin (prasios didymos) - it produces green compounds. Used in high-strength permanent magnets and as a yellow glass colourant.
Formula & Notation
IUPAC Name: Praseodymium
Other Names / Synonyms: Pr, praseodymium metal
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 931.0 |
| Boiling Point | 3520.0 |
| Density | 6.77 |
| Molecular Weight | 140.91 |
| Solubility | Insoluble in water |
| Appearance | Soft, silvery, yellowish 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
Praseodymium is a soft, silvery, yellowish rare earth metal, atomic number 59. Its name comes from Greek for green twin (prasios didymos) - it produces green compounds. Used in high-strength permanent magnets and as a yellow glass colourant.
NdFeB permanent magnets component (improves corrosion resistance). Didymium glass (welding and glassblowing goggles - Pr gives protective green colour). Yellow pigment for ceramics and glass. Alloyed with magnesium for aerospace. Praseodymium oxide in catalysts.
Praseodymium metal: reactive, tarnishes in air. Compounds: low to moderate toxicity. Irritant to skin and eyes. Dust: respiratory irritant. Limited occupational exposure data. Handle with standard precautions.
The formula or notation for Praseodymium is: Pr