96% 99%flaskes,peral, used in metallurgy, petroleum,chemicals, textile,paper,printing and dyeing,soap industry. Caustic soda ,sodium hydroxide CAS: 1310-73- ... 2 Molecular formula: NaOH Molecular weight: 39.99707 Product: Caustic soda flakes 98. 5% MIN Specs: NaOH: 99%( 0 ... PP woven bags with two-layer PE inner linling Caustic soda;Sodium hydroxide