Disodium phosphate 12-hydrate p.a. 100 g +/-5% Sodium phosphate dibasic dodecahydrate Synonym(s): sec-Sodium phosphate, Disodium hydrogen phosphate dodecahydrate, Disodium phosphate, di-Sodium hydrogen phosphate dodecahydrate Linear Formula: Na2HPO4 x 12H2O CAS No.: 10039-32-4 Molecular Weight: 358.14 EC No.: 231-448-7 Analysis report: - Na2HPO4x12H2O - 99.64% - Insolubles in water - 0.003% - Nitrogen in total - less than 0.002% - Sulfates as SO4 - less than 0.005% - Chlorides as Cl - less than 0.001% - Iron as Fe - less than 0.0005% - Potassium as K - less than 0.01% - Arsenic as As - less than 0.0005% - Heavy metals as Pb - less than 0.0005% - pH solution - 9.17