Zinc Sulfate Heptahydrate occurs as a white crystalline granules. It loses water at temperatures above 238°C. Its solutions are acid to litmus. The monohydrate is soluble in water and practically insoluble in alcohol. Zinc Sulphate Heptahydrate Ingredient:ZINC SULPHATE HEPTAHYDRATE Product Code：RC.03.04.005758 Features 1.Drived from high quality mineral resource. 2.Physical https://www.richen-nutritional.com/zinc-sulphate-heptahydrate-rc-03-04-005758-product/