银白色有光泽金属，质软，有延展性。在空气中比较稳定，能缓慢地跟水反应，能溶于稀酸。氧化镥呈白色，镥盐无色。
密度: 9.84
熔点: 1663℃
沸点: 3395℃

高纯金属镥: 
TREM (%,Min)                             99.5 
Lu/TREM (%,Min)                       99.99 
稀土杂质Rare Earth lmpurities (%,Max) 
Eu                                    0.0001 
Gd                                    0.002 
Dy                                    0.003 
Ho                                    0.0002 
Y                                     0.001 
非稀土杂质Non-RE lmpurities (%,Max)  
Fe                                    0.01 
Si                                     0.003 
Ca                                    0.002  
Mg                                    0.0008  
Al                                      0.002 
Ti                                      0.008 
C                                       0.01 
O                                       0.06 
 

用于电子工业和科学研究等。
干燥保存