Potassium Phosphate Monobasic 500g

Potassium Phosphate Monobasic 500g Potassium phosphate monobasic has been used in the preparation of phosphate buffer and phosphate buffered saline (PBS). It has also been used in the preparation of PEG1000 (poly ethylene glycol)/potassium phosphate aqueous two-phase systems. grade ACS reagent assay ≥99.0% impurities ≤0.01% Insoluble matter loss ≤0.2% loss on drying, 105°C pH 4.1-4.5 (25 °C, 5%) pKa (25 °C) (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid) mp 252.6 °C (lit.) density 2.338 g/mL at 25 °C (lit.) anion traces chloride (Cl–): ≤0.001% sulfate (SO42-): ≤0.003% cation traces Fe: ≤0.002% Na: ≤0.005% heavy metals: ≤0.001% (by ICP-OES) SMILES string [K+].OP(O)([O-])=O InChI 1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1 InChI key GNSKLFRGEWLPPA-UHFFFAOYSA-M Potassium Phosphate Monobasic 500g