HomeSODIUM NAPHTHIONATE 98% EXTRAPURESODIUM NAPHTHIONATE 98% EXTRAPURE Product CodeB-02456GradeEXTRAPUREPurity98 %BrandBio-ChemMolecular FormulaC10H8NNaO3SCAS No.130-13-2Molecular Weight245.23H.S.Code2921.45160Shelf Life60 Months COAs MSDS Physical Properties Physical state at 20 °CSolidColourWhite to off whiteOdourOdorless Packaging Specification AppearanceBrownish gray color crystalsAssay (GC area %)Min 98%Water (H2O)Max 3.0%Safety Information and Hazard Symbols Symbol: GHS02 , GHS03, GHS05 ,GHS08Signal Word: Danger