Potassium Phosphate Dibasic

Linear Formula: K₂HPO₄
CAS Number: 7758-11-4
Molecular Weight: 174.18
Grade: ACS reagent
Quality Segment: M-Clarity 200
Agency: Suitable for SM 5210
Assay: ≥98%
Form: Powder
Nitrogen Compounds (as N): ≤0.001%
Insoluble Matter: ≤0.01%
Loss on Drying: ≤1.0% (105 °C)
pH: 8.5–9.6 (25 °C, 5% solution)
Solubility in Water: Completely soluble
Chloride (Cl⁻): ≤0.003%
Sulfate (SO₄²⁻): ≤0.005%
Iron (Fe): ≤0.001%
Sodium (Na): ≤0.05%
Heavy Metals: ≤5 ppm (by ICP-OES)

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