Nws yog dawb thiab qab zib lub zog nrog lub ntiajteb txawj nqus ntawm 7.1 thiab melting point 820 ℃ Nws tuaj yeem yaj hauv nitric acid. kub concentrated sulfuric acid, ammonium acetate thiab sodium acetate, tab sis tsis nyob rau hauv dej.Nws tig mus rau vellow thaum poob cov siv lead ua dej ntawm 135 ℃.Nws kuj tig mus daj nyob rau hauv tshav ntuj tshwj xeeb tshaj yog nyob rau hauv ntub dej.