packing:25kg/bag cas :7789-77-7 feed additives Character: A king of grayish white irregular power, non-toxic, no smell, and melting point is 1670.It slightly dissolves in water, easily dissolves in acid and cant dissolve in alcohol. Usage: It is a kind of feed addictive and the important Calcium, Phosphate additive for poultry fertilizer, It can help preserve the fertilizer for a long time, ...