Ethyl Radical nau'in sinadari ne mai nau'in sinadari C2H5, wanda ya ƙunshi ƙwayoyin carbon guda biyu da atom ɗin hydrogen biyar. Wani nau'i ne na tsattsauran ra'ayi, wanda ke nufin cewa yana da ƙarfin gaske kuma yana iya shiga cikin nau'ikan halayen sinadarai. A cikin sinadarai na halitta, ana amfani da ethyl radical a matsayin kayan farawa don haɗa abubuwa daban-daban, gami da alcohols, esters, da sauran kwayoyin halitta.