Pyrophosphate yana nufin wani sinadari wanda ya ƙunshi ƙungiyoyin phosphate guda biyu waɗanda aka haɗa su a cikin kwayar halitta. Prefix "pyro" yana nuna cewa ƙungiyoyin phosphate guda biyu suna haɗuwa da haɗin gwiwa mai ƙarfi wanda za'a iya karyawa cikin sauƙi don sakin makamashi. Ana amfani da Pyrophosphates a cikin halayen biochemical azaman tushen kuzari ko azaman mai sarrafa ayyukan enzymatic. Inorganic pyrophosphate (PPi) misali ne na fili na pyrophosphate wanda ke da mahimmanci a yawancin hanyoyin nazarin halittu, irin su DNA kira, ma'adinan kashi, da makamashi metabolism.