Description
Specifications Table
Product Name – Sodium phosphate, tribasic dodecahydrate, 98%, for analysis
Quantity/Pack Size – 1KG, 2.5KG, 25KG
Form – Crystalline powder
Grade – For analysis
Application – Buffering agent, pH regulator, biochemical research
Product Overview
Sodium phosphate tribasic dodecahydrate (98% purity) is a highly refined, water-soluble crystalline compound designed for analytical applications requiring precision and consistency. This analysis-grade reagent serves as a reliable buffering agent, maintaining stable pH levels in laboratory solutions, particularly in biological and chemical research. Its dodecahydrate form ensures optimal solubility and ease of dissolution, making it suitable for preparing phosphate buffers, media formulations, and calibration standards. The compound’s high purity minimizes interference in sensitive assays, ensuring accurate and reproducible results. Commonly used in conjunction with other phosphate salts, it supports the creation of balanced ionic solutions critical for enzymatic reactions, protein studies, and molecular biology protocols. The product adheres to strict quality control measures, guaranteeing low levels of impurities such as heavy metals, chlorides, and sulfates. Its stability under standard lab conditions and compatibility with most aqueous systems make it a staple in research and diagnostic laboratories. Whether for routine pH adjustments or specialized biochemical applications, this tribasic sodium phosphate delivers performance you can trust.
FAQs
1. What is the solubility of tribasic sodium phosphate dodecahydrate in water?
It is highly soluble in water, typically dissolving at a rate of approximately 150 g/L at 20°C, forming a clear, colorless solution.
2. Can this product be used for preparing phosphate-buffered saline (PBS)?
Yes, it is commonly combined with sodium chloride and other phosphate salts to formulate PBS for cell culture and biochemical assays.
3. How should this chemical be stored to maintain its stability?
Store in a tightly sealed container at room temperature, away from moisture and incompatible substances like strong acids or oxidizing agents.
4. Is this grade suitable for food or pharmaceutical applications?
No, this is an analysis-grade reagent intended for laboratory use only and is not certified for food, pharmaceutical, or clinical applications.
5. What alternatives exist if a lower hydration form is required?
Sodium phosphate tribasic anhydrous or monobasic/dibasic sodium phosphate can be used depending on the specific hydration and pH requirements of the experiment.










