The core description of sodium fluorescein CAS 518-47-8 highlights its remarkable properties as a highly fluorescent dye that emits a vivid green glow when exposed to light of a specific wavelength. This property is a result of its unique chemical structure and compact size, which greatly enhances its sensitivity and efficiency. Whether you are performing laboratory experiments, analyzing biological samples or developing cutting-edge diagnostic tools, this dye is an indispensable tool in your arsenal.