Product name:Zinc Gluconate CAS No.:4468-02-4 Molecular Formula:C12H22ZnO14 Molecular weight: 55.68 (anhydrous) 509.73 (trihydrate) Characteristics: anhydrous or trihydrate, white or almost white powder or crystalline granule. The shelf time is 2 years. The product is a good nutrient fortifier. It is able to increase the human immunity to improve taste and appetite and sexual function as well, and to promote the growth of infants and teenagers. This is one of trace elements necessary to human body.