caustic soda with good quality CAS No.1310-73-2Physicochemical PropertiesColorless, ... point :318.4,boiling point:1390, crispy. Pure solid caustic soda appear white, block ,flake, bead , easily soluble in water , ... 801.00NaCL %≤0.030.050.08Fe2O3 %≤0.0050.0080.010PackagingNet 25kg per bag of plastic woven bags lined with PP bag ... ,tough with acid, prevent from impact in transporting. Caustic Soda