Orcein, synthetic is widely utilized in research focused on:

• Histology Staining: This compound is commonly used as a dye in histological studies, providing vivid coloration for tissue samples, particularly in identifying elastic fibers in connective tissues.
• Textile Industry: Orcein serves as a natural dye alternative, offering a sustainable option for coloring fabrics, especially in the production of high-quality textiles that require rich, vibrant hues.
• Biological Research: In microbiology, it is employed to stain microorganisms, aiding in the visualization and differentiation of various cell types under a microscope.
• Pharmaceutical Applications: The compound is explored for its potential in drug formulation, particularly in developing formulations that require specific color indicators for quality control.
• Environmental Monitoring: Orcein is used in assessing the quality of water bodies, as it can indicate the presence of certain pollutants through colorimetric changes.