Productú¦caustic soda / sodium hydroxide Cas no.: 1310-73-2 Molecular formula: naoh Properties: colorless crystaline with the shape of flakesú¼solid and pearls íú Specifications: Items standard Naoh content (%) í² 99.00 98.00 96.00 Fe2o3 (%) ín 0.004 0.008 0.008 Na2co3(%) ín 0.7 1.00 1.30 Nacl(%) ín 0.1 0.3 2.7 It is the main raw materials for the production of soap; in the papermaking industry, it can dissolve the impurity of the wood pulp, so that the pure fibre can be available the papermaking; in textile industry it can be used in the production of the fabric ;in oil refining industry, it is used to remove the acids in the oil and improve the smell and color of the oil & petroleum products . 25kg/pp bag