... : Ca(NO3)2·4H2O Molecular weight: 236.15Properties:Calcium Nitrate is colorless and transparent monoclinic crystal. It easily dissolve in water , methyl alcohol ... from rain and insolation.Key Words:Calcium Nitrate, Calcium Nitrate Tetrahydrate, Nitric acid, Calcium (II) Salt; Calcium II Nitrate, Tetrahydrate (1:2:4); Calcium Nitrate, 4-Hydrate; Calcium Dinitrate CALCIUM NITRATE TETRAHYDRATE