... Soda, Dry, Solid, FlakeSynonyms: Caustic Soda, Dry, Sodium Hydroxide, Flake NaOHChemical Formula: NAOHChemical Family: AlkaliLabeling: CorrosiveD.O.T. ... : This material reacts violently with acids. Reacts with aluminum, tin, zinc and generates flammable hydrogen gas.3. ... /Coatings: Steel, plastic, PE (when dry).Unsuitable: Aluminum or galvanized containers.Other Information: Keep containers sealed to ...