Potassium Phosphate Monobasic Reagent Lab Grade – Essential Buffering Agent for Laboratory Applications 

In every research and analytical laboratory, maintaining precise pH conditions and reliable chemical reactions is essential for accurate results. One of the most widely used lab reagents for this purpose is Potassium Phosphate Monobasic (KH₂PO₄) — a high-purity reagent that plays a key role in preparing buffer solutions, biochemical assays, and analytical processes.

The Potassium Phosphate Monobasic Reagent Lab Grade is specifically formulated to deliver superior performance, consistency, and accuracy in laboratory and research environments.  

What is Potassium Phosphate Monobasic Reagent?

Potassium Phosphate Monobasic (chemical formula KH₂PO₄) is a white crystalline solid that serves as a source of both potassium and phosphate ions. It is highly soluble in water and commonly used as a lab chemical for preparing phosphate buffer systems, controlling pH levels, and supporting biochemical reactions.

As a reagent, it is vital in various biological and chemical research applications — from enzyme studies to chromatography — ensuring precision and reproducibility in experimental results.  

Specifications of Potassium Phosphate Monobasic Reagent 

Pack Size: 500gm 
Brand: Merck, Germany or India 
CAS Number: 7778-77-0 
Molecular Formula: KH2PO4 
Formula Weight: 136.09 
Assay (KH2PO4) : 98.0-100.5% 
Loss on Drying: 1.0% 
Insoluble Substances: 0.2%
Assay: ≥99.5% dry basis (alkalimetric)
               99.5-100.5% (alkalimetric)
Grade: Reagent grade
Form: Solid

Key Features of Potassium Phosphate Monobasic Reagent Lab Grade

⚗️ High Purity Laboratory Grade – Manufactured to meet analytical and research-grade quality standards.

💧 Excellent Water Solubility – Dissolves easily to form clear, stable buffer solutions.

🔬 Accurate pH Control – Widely used in biological and chemical experiments requiring precise pH regulation.

📦 Secure & Moisture-Proof Packaging – Prevents contamination and preserves product integrity.

🌡️ Consistent Composition – Ensures reliable performance across multiple laboratory applications. 

Benefits of Using Potassium Phosphate Monobasic Reagent

• Reliable pH Buffering Capacity: Acts as an effective component in phosphate buffer systems, maintaining stable pH conditions in biochemical and analytical reactions.
• Versatile Laboratory Applications: Suitable for use in biochemistry, analytical chemistry, and molecular biology for enzyme assays, nutrient media, and reagent preparation.
• Enhanced Research Accuracy: Its consistent purity minimizes experimental variations and ensures reproducible data in laboratory testing.
• Safe and Easy to Handle: Comes in a convenient lab-grade formulation ideal for research, academic, and industrial laboratories.
• Compatible with Other Reagents: Works effectively with various lab chemicals and buffers used in advanced analytical and diagnostic applications. 

Applications of Potassium Phosphate Monobasic in Laboratories

• Buffer Preparation: Used in combination with disodium phosphate to create phosphate buffer solutions.
• Biochemical Assays: Essential in enzyme reactions, protein purification, and molecular biology experiments.
• Chromatography: Applied in mobile phase solutions for maintaining pH stability.
• Cell Culture Media: Provides phosphate and potassium ions necessary for biological growth systems.
• Analytical Testing: Commonly used in titration and chemical standardization procedures. 

Conclusion

The Potassium Phosphate Monobasic Reagent Lab Grade is a cornerstone chemical for laboratories focused on accuracy, consistency, and reliability. Its superior buffering capacity, high purity, and wide compatibility make it an indispensable lab reagent across chemical, biological, and industrial research fields.

For scientists and professionals who demand quality and performance, Potassium Phosphate Monobasic is the trusted choice among premium lab chemicals — ensuring precision in every experiment.