| Formula / Notation | Pd |
|---|---|
| CAS Number | 7440-05-3 |
| Molecular Weight | 106.42 |
| Melting Point | 1555.0 |
| Boiling Point | 2963.0 |
| Density | 12.02 |
| Solubility | Insoluble in water |
| Appearance | Soft, silvery-white, lustrous metal |
| Also Known As | Pd, palladium metal |
| Category | Elements |
What is Palladium?
Palladium is a soft, silvery-white platinum group metal, atomic number 46. Notable for its ability to absorb large volumes of hydrogen (up to 900 times its own volume). Key catalyst for cross-coupling reactions in organic synthesis. Important in catalytic converters.
Formula & Notation
IUPAC Name: Palladium
Other Names / Synonyms: Pd, palladium metal
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 1555.0 |
| Boiling Point | 2963.0 |
| Density | 12.02 |
| Molecular Weight | 106.42 |
| 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
Palladium is a soft, silvery-white platinum group metal, atomic number 46. Notable for its ability to absorb large volumes of hydrogen (up to 900 times its own volume). Key catalyst for cross-coupling reactions in organic synthesis. Important in catalytic converters.
Catalytic converters (oxidises CO and hydrocarbons). Cross-coupling catalysis (Suzuki, Heck, Negishi - used in pharma synthesis). Hydrogen purification membranes. Dental alloys. Electronics (multilayer capacitors). Hydrogen storage research. Jewellery.
Palladium metal: low acute toxicity. Palladium chloride: irritant, potential sensitiser. Finely divided palladium: fire hazard when hydrogen-loaded (pyrophoric). Palladium compounds in some jewellery can cause contact allergy.
The formula or notation for Palladium is: Pd