1.NaOH 99% min flakes. 2.Sodium hydroxide. 3.C.A.S. No.: 1310-73-2 4.23MT/ ... -2Trade Name: Caustic Soda, Dry, Solid, FlakeSynonyms: Caustic Soda, Dry, Sodium Hydroxide, Flake NaOHChemical Formula: NAOHChemical Family: AlkaliLabeling: CorrosiveD.O.T. Packing Group ... 1823D.O.T. Hazard Guide: #154D.O.T. Shipping Name: Sodium Hydroxide, Dry, Solid, FlakeD.O.T. Hazard Class: 8Placard: UN 18232 ...