Buy Phenol Red Free Acid (143-74-8) MF: C19H14O5S | MW: 354.38. Get High Quality Phenol Red Free Acid (143-74-8) from Tristains at Dawnscientific.com
Phenol Red Free Acid is a yellow to orange-colored compound that undergoes a pH-dependent color change. It is sparingly soluble in water and predominantly exists in its acidic form. Phenol Red is a member of the sulfonphthalein class of pH indicators.
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Applications :
Clinical & Diagnostic Applications: Phenol Red Free Acid may be used in clinical and diagnostic applications. It can be utilized in various tests and assays to monitor pH changes in biological samples or to assess metabolic activities and functions.pH Indicator: Phenol Red Free Acid is primarily used as a pH indicator due to its pH-sensitive color change. It transitions from yellow in acidic solutions (pH < 6.8) to red in alkaline solutions (pH > 8.2). The transition range typically lies between pH 6.8 and 8.2. It is commonly employed in laboratory settings to monitor pH changes in chemical reactions or to determine the acidity or alkalinity of various solutions.Cell Culture & Microbiology: Phenol Red Free Acid is widely used in cell culture media to monitor the pH of the growth medium. It serves as an indicator of the metabolic activity of cells, as changes in pH can indicate cell growth, viability, or metabolic status. In microbiology, it can be used as an indicator to differentiate between organisms based on their ability to ferment carbohydrates and produce acids.Educational & Demonstration Purposes: Phenol Red Free Acid is commonly used in educational laboratories and demonstrations to teach pH concepts, acid-base chemistry, and the principles of pH indicators. Its distinct color change and ease of use make it a valuable tool for visually illustrating pH changes in different solutions.Environmental & Water Quality Analysis: Phenol Red Free Acid can be used in environmental and water quality analysis. It is employed to measure pH levels in water samples, providing information on the acidity or alkalinity of the water. This information is important for assessing the quality and suitability of water for various purposes.
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