HomeSODIUM HYDROXIDE 0.25M (0.25N) STANDARDIZED SOLUTION: LIQUID D. 1.01 SODIUM HYDROXIDE 0.25 M (0.25 N) STANDARDIZED: LIQUID D. 1.01 Product Code B-02427 BRAND Bio-Chem CAS No 1310-73-2 Purity 98.5 % Molecular Formula NaOH Molecular Weight 40.00 H.S.Code 2815.1110 Shelf Life 60 Months COAs MSDS Physical Properties Physical state at 20 °C Liquid Colour Clear Colorless Density [g/cm3] 1 Boiling point [°C] 100 °C Packaging Specification AppearanceA clear colorless Liquid.Normality0.25 N +/-0.1% Safety Information and Hazard Symbols Symbol : GHS02 , GHS05 , GHS07Signal Word : Danger