... % 99%flaskes,peral, used in metallurgy, petroleum,chemicals, textile,paper,printing and dyeing,soap industry. Caustic soda ,sodium hydroxide CAS: 1310- ... -2 Molecular formula: NaOH Molecular weight: 39.99707 Product: Caustic soda flakes 98. 5% MIN Specs: NaOH: 99%( 0. 5 ... Baisc chemical raw material, widely used in chemical industry 1. Used in water softening, In the soap and refined oil line,refining ...