Di-Potassium Hydrogen Phosphate Merck

Di-Potassium Hydrogen Phosphate Merck – Cat. No. 105104 (K₂HPO₄, anhydrous)

A white, odorless inorganic salt composed of potassium and phosphate, supplied anhydrous.

🔹 Physical and Chemical Properties:

• Chemical formula: K₂HPO₄
• Molar mass: 174.18 g/mol
• Appearance: White crystalline powder
• Solubility: High in water (>1600 g/L)
• pH of 5% solution: ~8.7–9.3
• Density: ~2.44 g/cm³
• Stability: Stable under normal conditions

🔹 Uses:

• Alkaline buffer in biochemical and microbiological experiments
• Adjusting pH in phosphate buffer solutions (PBS)
• Cell culture, analytical, and chemical experiments
• Used in food and pharmaceutical industries for pH adjustment

⚠️ Safety Notes:

• Generally safe, avoid eye and skin contact
• Wear gloves and safety goggles
• Store in dry, room temperature conditions