sodium hydroxide/Caustic Soda Flake: 1. CAS NO.:1310-73-2 2. HS Code:28151100 3. ISO9001,COA,MSDS 4. accept SGS CAUSITC SODA (GB209-2006)Caustic soda use rich natural gas resources and its strategic of liquid alkali procurement, storage, transport conditions, gradually formed transportation and sale of liquid alkali, production and sales base and external processing of flake caustic, solid ...