Product Name : Di - Sodium Phosphate Dihydrate (Pure Grade) Formula : Na2HPO42H2O CAS Nos. ; 10028-24-7 Molecular Weight ; 178.00 Appearance : White Crystals Assay : Min. 98.0 % pH (5% Solution) ; 8.7-9.3 Chloride : NMT 0.01 % Sulphates : NMT 0.02 % Loss On Drying (130° C) ; 19.5-21.5 Other Names : Disodium Phosphate Dihydrate / Sodium Phosphate Dibasic / Di Sodium Hydrogen Phosphate / Di Sodium Orthophosphate