Caustic soda flakes, used in papermaking, textile, printing, dyeing, pesticide, petrochemical. Caustic soda flakesCAS NO. : 1310-73-2EINECS NO. : 215-185-5UN ... : (g/cm3) ----2.12Melting point : --------318.4Boiling point : ---------1390 Supply Caustic Soda Flakes