Quick Details Classification: Caustic Soda CAS No.: 1310-73-2 Other Names: sodium hydroxide MF: NaOH EINECS No.: 231-659-4 Place of Origin: China Grade Standard: Industrial Grade Purity: 99% Appearance: flakes,pearls,solid Application: Detergent Brand Name: Sino Model Number: Caustic Soda Pearl Colour: White UN No: 1823 Density: 1.515 g/mL at 20 Molecular Weight: 40.000 Dangerous Class: 8 NaOH: 99% Min. Na2CO3: 0.4% Max. NaCl: 0.015% Max. Fe2O3: 0.001% Max Commodity: Caustic Soda Pearl