Details of Caustic Soda high purity good quality NaOH Sodium Hydroxide 99%1.PropertiesAppearance: White SolidOdor: OdorlessBoiling point: 1390° ... body is white with lightSodium Hydroxide, %≥1.0% max99.4Sodium carbonate, %≤1.30.27Sodium chloride, %≤2.70.010Ferric oxide, %≤0. ... alkali content(Counted with NaOH), %98.0-100.599.7Sodium carbonate(Na2CO3) content, %≤2.00.4Arshen (As) content, %≤0.0003< ...