Fluorescein Water Soluble C.I. 45350

Fluorescein sodium salt is a disodium salt of fluorescein and a noted pH sensitive fluorophore. Fluorescein sodium salt has been utilized in studies as a drug model, as a penetrating dye and also as a fluorescein tracer. Fluorescein sodium salt has also been used in vitro to quantify root dentin demineralization. Additional reported uses include microscopy, as a gain medium in dye laser use and to detect latent blood stains in vitro.

Assay: 90.0-1002.0%
M.F.: C20H10O5Na2
M.W.: 376.27
Loss on drying: <17%
Lambda Max: 491nm in water

Cas Number: 518-47-8

Einecs Number: 208-253-0

HS Code / Commodity Code: 32041211

Hazard Phrases: H0001