Solubility greater than or equal to 100 mg/mL at 68 °F (NTP, 1992)
Mol. Weight
376.30
CAS #
518-47-8
State
Fluorescein, disodium salt is an orange-red to dark red powder. Water-soluble form of fluorescein. Odorless and almost tasteless. pH (5% solution) 7.8. May be sensitive to prolonged exposure to light