The product is a spray dried mineral to suplement Iron in the foods and dietary supplemnts; CAS No. : 7720-78-7 Molecular Formula: FeSO4·xH2 Molecular Weight: 151.91(anhydrous); Quality Standard: GB/FCC/USP/BP Product Code: RC.03.04.005763 Features It features as good flowing and high homogeniety at 100% passing through 60mesh from the spraying https://www.richen-nutritional.com/ferrous-sulfate-dried-food-use-for-modified-milk-powder-product/