Nws yog hygroscopic. Nws yog yooj yim deteriorated nyob rau hauv kev sib cuag nrog oxides thiab muaj ib tug corrosive nyhuv. Cov tshuaj aqueous yog acidic thiab insoluble hauv cawv. Nws yog hygroscopic. Nws yog yooj yim deteriorated nyob rau hauv kev sib cuag nrog oxides thiab muaj ib tug corrosive nyhuv. Thaum nws siab tshaj 100 ℃, lub cev qhuav dej yuav ua rau tsis muaj dej. Nws yog soluble hauv dej, insoluble hauv cawv, thiab belongs rau monoclinic crystal system. Dej poob ntawm 100 ° C.