Bromophenol blue sodium salt is widely utilized in research focused on:

• pH Indicator: This compound is commonly used in laboratories as a pH indicator due to its clear color change from yellow to blue, making it ideal for visualizing pH levels in various solutions.
• Protein Electrophoresis: It serves as a tracking dye in gel electrophoresis, allowing researchers to monitor the progress of protein separation, which is crucial in biochemistry and molecular biology.
• Medical Diagnostics: In clinical laboratories, it is employed in assays to detect the presence of certain biomolecules, aiding in the diagnosis of various diseases.
• Environmental Testing: The compound can be used in environmental studies to assess the acidity of water samples, contributing to water quality monitoring and management.
• Educational Purposes: It is frequently used in educational settings for teaching purposes, helping students understand concepts related to pH and chemical reactions through hands-on experiments.