Chemical Formula: Eu
Catalog Number: ST0014
CAS Number: 7440-53-1
Shape: Discs, Plates, Column Targets, Step Targets, Custom-made
Atomic Weight: 151.964
Atomic Number: 63
Color/Appearance: Silvery White, Metallic
Melting Point (°C): 822
Theoretical Density (g/cc): 5.26
Z Ratio: **1.00
UN Number: 2813
Comments: Low Ta solubility.
1. No bonding service is presently available for this material. 2. This material has high chemical activity when exposed to the environment. Oil packaging and clean procedure are required to prevent it from chemcial reactions.
Europium is a chemical element originated from Europe. It was first mentioned in 1896 and observed by E.-A. DemarÃ§ay. The isolation was later accomplished and announced by E.-A. DemarÃ§ay. “Eu” is the canonical chemical symbol of europium. Its atomic number in the periodic table of elements is 63 with location at Period 6 and Group 3, belonging to the f-block. The relative atomic mass of europium is 151.964(1) Dalton, the number in the brackets indicating the uncertainty.