Fluorescein Sodium Salt, identified by its CAS number 518-47-8, stands as a significant compound in both the pharmaceutical and chemical industries. This vibrant orange powder is widely recognized for its intense fluorescent properties when dissolved in water, making it an indispensable tool across various applications.

Chemically, Fluorescein Sodium Salt is the disodium salt of fluorescein. Its molecular formula is C20H10Na2O5, with a molecular weight of approximately 376.28. As an Active Pharmaceutical Ingredient (API) and a key chemical reagent, its purity and quality are paramount for reliable performance in sensitive applications. Typical specifications confirm its high assay, often exceeding 99%, ensuring its effectiveness.

One of the primary uses of Fluorescein Sodium Salt leverages its powerful fluorescence. It is widely employed as a biological stain and a diagnostic tool, particularly in ophthalmology for diagnosing corneal abrasions, ulcers, and evaluating tear film dynamics. Its application in angiography allows visualization of blood vessels in the retina and iris, aiding in the diagnosis of various eye conditions. Beyond medical uses, its fluorescent nature makes it excellent for water tracing, leak detection in plumbing systems, and as a dye marker in environmental studies.

In the realm of analytical chemistry, Fluorescein Sodium Salt functions as a versatile indicator. It serves as an adsorption indicator in titration methods, particularly for halides. It is also a redox indicator and a fluorescence photometric reagent utilized for the determination of various ions, including chlorine, bromine, iodine, and sulfur. Its sensitivity to bromine is a notable property that underscores its utility in specific chemical tests and titrations.

The typical properties of Fluorescein Sodium Salt, such as its ready solubility in water and high purity (99% min), ensure its suitability for demanding laboratory and industrial processes. While sensitivity tests and water content specifications are important quality control parameters, the most striking characteristic remains its ability to emit bright green fluorescence under blue or ultraviolet light, a property central to most of its applications.

Packaging for this material typically involves secure drums, such as 25KG drums, designed to protect the integrity of the powder during transport and storage. Proper storage involves keeping the material in a ventilated warehouse, away from sources of ignition and high temperatures, and segregated from oxidizing agents and acids to maintain stability and safety.

The multifaceted nature of Fluorescein Sodium Salt (CAS 518-47-8), from its vital role as an API in ophthalmic diagnostics to its extensive use as a chemical indicator and tracer dye, highlights its importance across numerous sectors. Its bright fluorescent signal provides a visual or measurable output that is critical for detection, analysis, and diagnosis.

For industries and laboratories requiring high-quality Fluorescein Sodium Salt powder, sourcing from a reliable manufacturer and supplier is essential. Ensuring consistent purity and adherence to technical specifications is key for successful implementation in pharmaceutical formulations, diagnostic kits, environmental tracing, or analytical procedures. Inquiries regarding price, technical specifications, and how to buy or purchase bulk quantities of this versatile orange powder are welcome.

This report is composed by NINGBO INNO PHARMCHEM CO.,LTD., a dedicated supplier of fine chemicals and pharmaceutical intermediates.