Copper sulfate wani sinadari ne da ya hada da jan karfe, sulfur, da oxygen. Yana da dabarar sinadarai CuSO4 kuma an san shi da cupric sulfate ko blue vitriol. Yana da kauri mai launin shuɗi wanda ke narkewa cikin ruwa kuma ana amfani da shi azaman maganin kashe kwari, herbicide, fungicide, da algaecide. Ana kuma amfani da ita wajen sarrafa wutar lantarki, a matsayin mai canza launi a cikin yumbu, a matsayin mordant a rini na yadi, da kera sinadarai iri-iri. Bugu da kari, jan karfe sulfate yana da sinadarin magani kuma ana amfani da shi wajen magance cututtuka daban-daban, kamar cututtukan fata, raunuka, da ciwon ido.