Fluorescein sodium is a fluorescent tracer. It is a red-brown powder, odorless and hygroscopic. It is soluble in water, and its solution exhibits a strong yellow-green fluorescence. The structure of sodium fluorescein is as follows.
Basic Information
| Items | Information |
| Product Name | Fluorescein sodium |
| Catalog Number | FT518478 |
| Synonyms | Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate); C.I. Acid yellow 73 |
| CAS | 518-47-8 |
| InChIKey | RGPLGPBQJOQFJS-UHFFFAOYSA-L |
| Molecular Formula | C20H10Na2O5 |
| Molecular Weight | 376.3 |
Specification
Alfa Chemistry offers customers fluorescein sodium in powder form, and their specification are as follows.
| Test Items | Quality Index |
| Appearance | Orange-red to dark red powder |
| Solubility | Soluble in water |
| Fluorescence | λex 419 nm; λem 514 nm (0.1 M Tris, pH 9.0) |
| Storage | Dry storage at room temperature |
Applications
- Due to its high detection sensitivity and low tendency to adsorb, fluorescein sodium is widely used for mapping underground watercourses, checking hydraulic connections, transit and flow time studies, river flow measurements, infiltration water path studies, layer waterproofing checks, simulating the spreading of liquid substances, etc.
- Sodium fluorescein is also utilized for various network and pipe diagnostics, leak detection on roofs and terraces, industrial penetrant testing, behavioral studies of insects and animals, aquatic decoration, damage surveys, and as a colorimetric marker in maritime safety.
Our Vision
- Alfa Chemistry pays full attention to customers' needs now and in the future. In addition to providing fluorescent tracer products, we also provide product customization services and water treatment system solutions.
- Alfa Chemistry is passionate about providing customers with the highest quality products and services in the shortest time at the lowest price.
- Alfa Chemistry looks forward to building trusting relationships with partners, striving to be the end-to-end problem and add leverage to the success of our customers.
