| Formula / Notation | Gd |
|---|---|
| CAS Number | 7440-54-2 |
| Molecular Weight | 157.25 |
| Melting Point | 1313.0 |
| Boiling Point | 3273.0 |
| Density | 7.9 |
| Solubility | Insoluble in water |
| Appearance | Silvery-white, lustrous metal |
| Also Known As | Gd, gadolinium metal |
| Category | Elements |
What is Gadolinium?
Gadolinium is a silvery-white rare earth metal, atomic number 64. Has the highest thermal neutron absorption cross-section of any stable element. Paramagnetic at room temperature with unique magnetic properties. Gd-based contrast agents are widely used in MRI.
Formula & Notation
IUPAC Name: Gadolinium
Other Names / Synonyms: Gd, gadolinium metal
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 1313.0 |
| Boiling Point | 3273.0 |
| Density | 7.9 |
| Molecular Weight | 157.25 |
| Solubility | Insoluble in water |
| Appearance | 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
Gadolinium is a silvery-white rare earth metal, atomic number 64. Has the highest thermal neutron absorption cross-section of any stable element. Paramagnetic at room temperature with unique magnetic properties. Gd-based contrast agents are widely used in MRI.
MRI contrast agents (gadolinium chelates - Gd-DTPA, Gd-DOTA). Neutron shielding and control rods (highest neutron absorption). Magnetocaloric refrigeration. Gadolinium gallium garnet (GGG) for lasers. Green phosphor in screens.
Free gadolinium ion (Gd3+): toxic. Gd-based MRI contrast agents: generally safe but cause nephrogenic systemic fibrosis (NSF) in patients with severe kidney disease. Gadolinium retention in brain tissue: long-term effects under investigation. Gd dust combustible.
The formula or notation for Gadolinium is: Gd