... 8,EINECS:231-847-6 Small Blue And Clean Crystal Feed Grade Copper Sulphate 1. Product IntroductionCopper Sulphate Pentahydrate is ... 013% MaxPH3.5-4.5Water Insoluble0.05% MaxItemsCopper Sulfate Pentahydrate Feed Grade 98.5%Purity98.5% MinCu25.06% MinPb0.001% ... and moisture during storage and transportation, not with food, seed, feed mix, carrying, gently, to prevent the packaging is damaged, workers ...