Cas No.: 1310-73-2 Products Name: caustic soda - flakes & pearls Chemical name: sodium hydroixde Molecular formula : NaOH Molecular weight: 41.0045 Appereance: flakes & peals two type Package: 25kg/PP bags Application: widely used in metallurgy, petroleum, chemical industry, textile, paper making, printing and dyeing, soap, medicine and food, metal hardware and other industries. Soap is the oldest and most widely used caustic soda. Caustic soda is also used to produce various detergents.