When it comes to chemical substances, indicators play an important role in determining the chemical properties of a solution. Phenol Red Sodium Salt is one such water-soluble indicator that has found its use in various scientific applications.
Formula and Chemical Composition
Phenol Red Sodium Salt is a derivative of Phenolsulfonphthalein and is represented by the formula C19H13NaO5S. The compound has a molecular weight of 376.36 and is available in the form of an aqueous solution with a concentration of 0.04%.
Properties of Phenol Red Sodium Salt
Phenol Red Sodium Salt is generally yellow in color when the pH of the solution is acidic, and turns red when the pH becomes alkaline. At pH 6.8, the solution is yellow, while at pH 8.4, it turns red. It is a suitable water-soluble indicator for use in educational laboratories as it can be used for qualitative analysis and not quantitative.
Applications of Phenol Red Sodium Salt
Phenol Red Sodium Salt finds its use in biochemical experiments as an indicator for the detection of the pH value of biological fluids. In the research field, it is used in various experiments that dictate the measurement of pH values in a solution. It is also used in various microbiology-based experiments that require the detection of alkalinity or acidity in the media.
Storage Conditions
Phenol Red Sodium Salt is available in 500 mL bottles and has a storage code of green, indicating that it can be stored under general chemical storage conditions. To maintain its optimal quality, the solution should be stored in a cool, dry place that is not subjected to any direct sources of heat or light.
Conclusion
Phenol Red Sodium Salt is a vital water-soluble indicator in chemistry, used for the detection of the pH value in various scientific applications. It is primarily used for qualitative analysis in educational laboratories as it has an intermediate degree of purity. Phenol Red Sodium Salt is a must-have for any scientific lab, as it provides accurate and reliable results in the detection of the pH value of a solution.
Keywords: Phenol Red, Sodium Salt, water-soluble, indicator, aqueous solution, biochemical experiments, microbiology, storage conditions.