Barium carbonate, dabarar sinadarai BaCO3, nauyin kwayoyin 197.336. Farin foda. Insoluble a cikin ruwa, yawa 4.43g/cm3, narkewar batu 881 ℃. Rushewa a 1450 ° C yana sakin carbon dioxide. Dan kadan mai narkewa a cikin ruwa mai dauke da carbon dioxide, amma kuma mai narkewa a cikin ammonium chloride ko ammonium nitrate bayani don samar da hadaddun, mai narkewa a cikin hydrochloric acid, nitric acid don sakin carbon dioxide. Mai guba. Ana amfani dashi a cikin kayan lantarki, kayan aiki, masana'antar ƙarfe. Shirye-shiryen wasan wuta, samar da harsashi na sigina, suturar yumbu, kayan haɗin gilashin gani. Hakanan ana amfani dashi azaman rodenticide, mai bayyana ruwa da filler.
Barium carbonate wani muhimmin fili ne na inorganic tare da dabarar sinadarai BaCO3. Farin foda ne wanda ba ya narkewa a cikin ruwa amma cikin sauƙin narkewa a cikin acid mai ƙarfi. Ana amfani da wannan fili mai yawa a cikin masana'antu daban-daban saboda abubuwan da ya dace.
Nauyin kwayoyin barium carbonate shine 197.336. Farin foda ne mai kyau mai yawa 4.43g/cm3. Yana da wurin narkewa na 881°C kuma yana rubewa a 1450°C, yana sakin carbon dioxide. Duk da rashin narkewa cikin ruwa, yana nuna ɗan narkewa cikin ruwa mai ɗauke da carbon dioxide. Hakanan zai iya samar da hadaddun, mai narkewa a cikin ammonium chloride ko maganin ammonium nitrate. Bugu da ƙari, yana da sauƙin narkewa a cikin hydrochloric acid da nitric acid, yana sakin carbon dioxide.