Sodium phosphate dibasic

Linear Formula: Na2HPO4
CAS Number: 7558-79-4
Molecular Weight: 141.96
Quality Segment: 200
Product Line: ReagentPlus®
Assay: ≥99.0%
Form: Powder or crystals
pH: 8.9-9.2 (25 °C, 50 g/L in water)
pKa (25 °C): (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
Solubility: Water, soluble 100 mg/mL

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