Ferrous sulfate wani abu ne na inorganic, crystalline hydrate ne heptahydrate a al'ada zazzabi, wanda aka fi sani da "kore alum", haske kore crystal, weathered a bushe iska, da surface hadawan abu da iskar shaka na asali baƙin ƙarfe sulfate a cikin m iska, a 56.6 ℃ ya zama. tetrahydrate, a 65 ℃ don zama monohydrate.Ferrous sulfate yana narkewa a cikin ruwa kuma kusan ba zai iya narkewa a cikin ethanol.Maganin sa mai ruwa da ruwa yana yin oxidize sannu a hankali a cikin iska lokacin sanyi, kuma yana saurin yin oxidize lokacin zafi.Ƙara alkali ko fallasa zuwa haske na iya hanzarta iskar oxygen.Matsakaicin dangi (d15) shine 1.897.