Potassium Phosphate Dibasic, Reagent Grade, ≥98.0% - 500g

SKU: P8281-500G
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For laboratory, institutional, and professional use only. Not available for residential or personal purchase. Orders are subject to verification.

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Potassium phosphate dibasic (K₂HPO₄) is a reagent-grade inorganic salt supplied at ≥98.0% purity. It is widely used as a buffering agent, pH adjuster, and phosphate source in laboratory, analytical, environmental, agricultural, and formulation applications.

With well-defined solubility and pH characteristics, potassium phosphate dibasic is suitable for chromatography, media preparation, environmental studies, food testing, and general laboratory buffer systems requiring consistent reagent-grade quality.

Chemical Name: Potassium phosphate dibasic
Synonyms: Dipotassium hydrogen phosphate; Dipotassium phosphate; sec-Potassium phosphate
Linear Formula: K₂HPO₄
CAS Number: 7758-11-4
Molecular Weight: 174.18 g/mol
Grade: Reagent grade
Purity: ≥98.0%
Form: Powder
pH (50 g/L, 25 °C): 8.7–9.3
Solubility: Water 200 mg/mL; clear to slightly hazy, colorless
UNSPSC Code: 12161700
NACRES: NA.25
PubChem Substance ID: 24898739
EC Number: 231-834-5
MDL Number: MFCD00011383
InChI Key: ZPWVASYFFYYZEW-UHFFFAOYSA-L
Quality Level: 200

Specifications

Potassium Phosphate Dibasic, Reagent Grade

• Assay: ≥98.0%
• Form: Powder
• Grade: Reagent grade
• pH (50 g/L, 25 °C): 8.7–9.3
• Solubility: Water 200 mg/mL
• Suitable for buffer preparation and analytical applications
• Quality level: 200

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