Description
Specifications Table
Product Name – Dipotassium hydrogen phosphate
Quantity/Pack Size – 500 g
Form – Powder
Grade – Analytical Reagent (AR)
Application – Buffer preparation, biochemical assays, pH regulation
Product Overview
Dipotassium hydrogen phosphate, also known as potassium phosphate dibasic, is a highly versatile inorganic compound widely utilized in laboratory settings for its exceptional buffering capacity and solubility. This analytical reagent (AR) grade variant is meticulously processed to meet stringent purity standards, ensuring minimal impurities and consistent performance in critical applications. With a molecular formula of K₂HPO₄, it serves as a key component in the preparation of phosphate buffers, which are essential for maintaining stable pH levels in biochemical and molecular biology experiments. The compound exhibits excellent water solubility, making it ideal for creating aqueous solutions with precise concentrations. Its high purity and reliable composition make it indispensable in research environments where accuracy and reproducibility are paramount. Whether used in chromatography, electrophoresis, or cell culture media, this dipotassium hydrogen phosphate delivers dependable results, supporting the integrity of experimental outcomes. The product is packaged in a secure, airtight container to preserve its quality and prevent contamination during storage and handling.
FAQs
1. What is the solubility of dipotassium hydrogen phosphate in water?
Dipotassium hydrogen phosphate is highly soluble in water, with a solubility of approximately 167 g/L at 20°C, making it suitable for preparing concentrated solutions.
2. How should this compound be stored for long-term use?
Store the product in a cool, dry place, away from direct sunlight and moisture. Ensure the container is tightly sealed to prevent absorption of atmospheric humidity.
3. Is this grade compatible with cell culture applications?
Yes, the analytical reagent grade is suitable for cell culture applications due to its high purity and low levels of contaminants that could interfere with cell growth.
4. Can this be used as a substitute for monosodium phosphate in buffer systems?
While both are phosphate salts, dipotassium hydrogen phosphate has a different pH profile and buffering range, so direct substitution may require adjustments to achieve the desired pH.
5. What is the pH range for buffers prepared with this compound?
Buffers made with dipotassium hydrogen phosphate typically have an effective buffering range between pH 7.2 and 8.0, depending on the concentration and combination with other salts.










