Fluorescein Sodium Injection

**Semantic type:** Indicator, Reagent, or Diagnostic Aid|Organic Chemical

**Definition:** An injectable form of the sodium salt of the fluorophore fluorescein. Fluorescein responds to electromagnetic radiation between the wavelengths of 465-490 nm and fluoresces, emitting light at wavelengths of 520-530 nm that can be detected visually.

**Synonyms:** - AK-Fluor - Fluorescite