Specification Product Name FLUORESCEIN DIACETATE CAS NO. 596-09-08 Molecular Formula C24H16O7 Formula Weight 416.4 Appearance Yellow Crystal Powder Structure     Tests    Limits Solubility (Chloroform / Methylene dichloride) - Clear Solution Absorptivity 1%/1cm, (Alkaline Ethanol, at A Max.499.0nm - 3378 Loss on Drying at 110°C (1hr) - (<0.5%) Melting Point - (203°-206°C)         REVISED: 1-1-2012