... 96% 2.Properties: Flakes, Solid, Pearls 3.Used in chemical,metallurgy,textile,medicine,pesticid. Product name:Caustic Soda Flake/Solid/PearlCAS No.: 1310 ... -73-2Molecular Weight: 40.00 Molecular Formula: NaOHAppearance:White flakes,solid,pearl. ITEMSPECIFICATIONNaoh ... flake and pearl.200kg or 250kg drum for Solid. Caustic soda flakes/pearls/solid