Crystal Violet (Gentian Violet) is a synthetic dye and biological stain widely used in microbiology, histology, and medicine. It is a cationic triphenylmethane dye with strong affinity for cell walls, making it essential in Gram staining procedures.
Applications
• Microbiology: Primary stain in Gram staining to differentiate Gram-positive and Gram-negative bacteria.
• Histology: Stains cell nuclei and other tissue structures.
• Medical use: Historically used as an antiseptic and antifungal agent.
• Industrial use: Dyeing textiles, inks, and paper.