Benzopurpurin 4B is widely utilized in research focused on:

• Dyeing Textiles: This compound is commonly used in the textile industry for dyeing fabrics, providing vibrant colors and excellent lightfastness. It is particularly favored for its ability to produce deep shades on cotton and synthetic fibers.
• Biological Staining: In laboratories, Benzopurpurin 4B serves as a biological stain, helping researchers visualize cellular structures under a microscope. Its effectiveness in highlighting specific components makes it invaluable in histology and cytology.
• Analytical Chemistry: The compound is employed in analytical methods, such as spectrophotometry, to quantify various substances. Its distinct absorption characteristics allow for precise measurements in chemical analyses.
• Art and Craft: Artists and hobbyists use Benzopurpurin 4B for creating vibrant artworks and crafts. Its compatibility with various mediums, including watercolors and acrylics, makes it a popular choice for color mixing.
• Environmental Monitoring: This chemical is also applied in environmental science for monitoring pollutants. Its sensitivity to certain compounds allows researchers to detect and quantify contaminants in water samples.