#64 GadoliniumGadolinium contrast media (sometimes called a MRI contrast media, agents or 'dyes') are chemical substances used in magnetic resonance imaging (MRI) scans. When injected into the body, gadolinium contrast medium enhances and improves the quality of the MRI images (or pictures). Atomic mass:157.25 amu Melting point:1311.0 C (1584.15 K, 2391.8 F) Boiling point:3233.0 C (3506.15 K, 5851.4 F) Density:293 K:293 K: 7.895 g/cm3 |