Synonyms: Dipotassium hydrogenphosphate; Dipotassium phosphate; sec.-Potassium phosphate
Formula: K2HPO4
Formula Weight: 174.18
CAS No.: 7758-11-4
Purity: ≥98%
Packaging: 1, 2.5, 4 x 2.5 kg in poly bottle
Packaging: 100, 500 g in poly bottle
Anion Traces: chloride (Cl-): ≤0.003%
Assay: ≥98%
Cation Traces: Fe: ≤0.001%
Grade: ACS reagent
Impurities: ≤0.001% Nitrogen compounds (as N)
Loss: ≤1.0% loss on drying, 105°C
pH: 8.5-9.6 (25°C, 5% in solution)
pKa (25°C): (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)