Shin wani nau'i ne na kwayoyin halitta, samfurin rayuwa ne na kwayoyin halitta, acid binary, wanda aka rarraba a cikin tsire-tsire, dabbobi da fungi, kuma a cikin kwayoyin halitta daban-daban suna yin ayyuka daban-daban.An gano cewa oxalic acid yana da wadata a cikin nau'ikan tsire-tsire sama da 100, musamman alayyahu, amaranth, beet, purslane, taro, dankalin turawa da rhubarb.Saboda oxalic acid na iya rage bioavailability na abubuwan ma'adinai, ana la'akari da shi azaman antagonist don sha da amfani da abubuwan ma'adinai.Anhydride shi ne carbon sesquioxide.