Product Name ; Trisodium Citrate Formula ; C6H5Na3O7.2(H2O) CAS Nos. : 6132-04-3 Molecular Weight : 294.12 Appearance ; Colorless Crystalline Powder Assay ; 99.00 % ( +/-1) pH ; 8.0 Free Alkali (as NAOH) : NMT 0.05 % Chloride : NMT 0.005 % Sulphates ; NMT 0.005 % Heavy Metals ( as PB ) ; NMT 0.002 %