YTTERBIUM OXIDE CAS 1314-37-0

Chemical formula Yb2O3. The molecular weight is 394.08. The pure product is colorless powder, light brown or yellow when it contains thulium oxide. Slightly hygroscopic, absorb carbon dioxide from the air. The proportion is 9.2. Melting point 2,346°C. It is the weakest in the yttrium group except lutetium oxide. Insoluble in water and cold acid, soluble in hot dilute acid.