本品为灰色粉末，密度：0.716g/cm。常温常压下稳定，与水发生强烈反应，避免与潮湿空气、酸等接触，常温密闭避光通风干燥惰性气体下保存。

This poroduct is grey-white powder,density:0.716g/cm.It is stable at room temperature and pressure ,and reacts strongly with water .Avoid contact with moist air and acid .It should be storaged in no light and inert gas environment at room temperature.