2-Mercaptoethanol, wanda kuma aka sani da β-mercaptoethanol, 2-hydroxyethanethiol, da 2-ME, wani fili ne na kwayoyin halitta tare da tsarin kwayoyin C2H6OS.Yana bayyana a matsayin ruwa mara launi, bayyananne kuma yana da ƙaƙƙarfan wari.Sauƙi mai narkewa a cikin ruwa kuma mai ɓarna tare da ethanol, ether da benzene a kowane rabo.2-Mercaptoethanol wani muhimmin nau'in nau'in sinadari mai kyau ne, wanda za'a iya amfani dashi sosai a cikin magungunan kashe qwari, magunguna, rini, sunadarai, roba, robobi, yadi da sauran fannoni.
2-Mercaptoethanol yana da aikace-aikace masu yawa.Ana iya amfani da shi azaman tsaka-tsakin haɗin gwiwar ƙwayoyin cuta a cikin yanayin samar da magungunan kashe qwari kamar maganin kashe kwari da ciyawa;ana iya amfani da shi azaman kayan taimako da hotuna a cikin roba, yadi, filastik, da yanayin samar da shafi;ana iya amfani da shi azaman telomer Agents, masu kwantar da zafi, da kuma abubuwan haɗin giciye ana amfani da su a cikin haɗin kayan aikin polymer kamar polyvinyl chloride, polyacrylonitrile, polystyrene, da polyacrylate;za a iya amfani dashi azaman antioxidants a cikin gwaje-gwajen nazarin halittu;Ana iya amfani dashi azaman albarkatun ƙasa tare da aldehydes ko ana amfani da amsawar Ketone a cikin yanayin samarwa na mahaɗan oxygen-sulfur heterocyclic.