Sodium karubone (Na2CO3), uburemere bwa molekile 105.99.Ubuziranenge bwimiti burenga 99.2% (igice kinini), nanone bita ivu rya soda, ariko ibyiciro nibyumunyu, ntabwo ari alkali.Azwi kandi nka soda cyangwa ivu rya alkali mubucuruzi mpuzamahanga.Nibikoresho byingenzi byimiti mvaruganda, bikoreshwa cyane mugukora ibirahuri binini, ibirahuri hamwe na glazike ceramic.Ikoreshwa kandi mugukaraba, kutabogama aside no gutunganya ibiryo.