Safranin is a red dye commonly used in biological staining techniques. It is particularly useful in microscopy to highlight cellular structures, making it easier to observe and identify different types of cells. Safranin binds to certain cellular components, allowing scientists to visualize them under a microscope. In addition to its role in microscopy, safranin is also used in various industries, including textiles and food. It is derived from the saffron plant and is known for its vibrant color. However, it is important to note that safranin can be toxic in high concentrations, so safety precautions are necessary when handling it.