Eosin Y (disodium) is a soluble acid red dye molecule. Eosin Y has a wide application in organic synthesis as a photoredox catalyst^[1].

691.85

Solid

C₂₀H₆Br₄Na₂O₅

17372-87-1

Room temperature in continental US; may vary elsewhere.

4°C, protect from light, stored under nitrogen

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light, stored under nitrogen)