D-calcium pantothenate is a white powder, no smelly odor, tastes a little bitter, has hydroscopic property. Its aqueous solution shows neutrality or slightly alkaline, easy to dissolve in water, slightly solvable in ethanol, almost can not dissolve in chloroform or aether. Item Index Authentication Positive reaction Calcium content ,(Ca) %(weight on dry product) 8.2-8.6 Nitrogen content ,(N)%(weight on dry product) 5.7-6.0 specific optical rotation, ([a]D20)%(weight on dry product) +25�°-+27.5�° Heavy metal (count on Pb),% â?¤0.002 Loss on drying,% â?¤5.0 Uses:feed additive, food additive, pharmaceutical USP28/BP2003 Packing:25kg/Carton, 25kg/drum Storage:store in cool,shady and dry place. Period of validity:3 years, use it as quickly as possible after unseal