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.
An affidavit is required for the purpose of dangerous chemicals, clearly stating the intended use of the chemical.
• 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
• ACS reagent grade
• ≥99.0% assay
• ≤0.01% Insoluble matter
• ≤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.)
