Storage TempStore in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Flash Point232.6ºC
Stability-
AppearanceFluorescein, 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 and to heat.