Synonyms: sec-Sodium phosphate; Disodium hydrogen phosphate; Disodium phosphate; Sodium hydrogenphosphate
Formula: Na2HPO4
Formula Weight: 141.96
CAS No.: 7558-79-4
Purity: ≥98.5% (titration)
Anion Traces: chloride (Cl-): ≤40 ppm
Assay: ≥98.5% (titration)
Cation Traces: Fe: ≤20 ppm
Foreign Activity: DNase, RNase and protease, none detected
Grade: for molecular biology
pKa (25°C): (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
Quality Level: PREMIUM
Solubility: H2O: soluble100 mg/mL