A phthalic indicator dye that appears yellow-green in normal tear film and bright green in a more alkaline medium, such as the aqueous humor, and is used therapeutically as a diagnostic aid in corneal injuries and corneal trauma.

Grade: Laboratory Reagent

Appearance: Powder

Colour: Dark Red

Molecular Formula: C20H10Na2O5

Molecular Weight: 376.3

Capacity: 25 gm, 100 gm, 1 kg

Fluorescein Sodium