Aniline Blue Chemical is a high-quality powder used to measure the purity of pancreatic islet preparations for transplantation into humans. With a purity of 85%, this chemical is perfect for ensuring the safety of the transplantation process. Its solubility allows for easy use and application. Aniline Blue is a reliable and effective chemical that has been used in the medical industry for years. It is a must-have for any medical facility looking to ensure the highest level of safety for their patients.