UV-326為淡黃色細小結晶，作為光穩定劑，可有效地吸收波長為270nm～380nmdeziwaixian，zaigaowenshiyoudihuifaxing
，duirejiangjieyougaodikangxing
，yinci，kezaijuxitingjuhehemoyachengxingguochengzhongfenjiesunshijianxiao，zaijuzhishuzhizhongshiyongziwaibaohu，erzaishuzhiderehuaguochengzhongbenpinbuhuixingchengjinshuyouseyanlei。