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Hazard Predictions

• Corrosive: Reaction products may be corrosive
• Flammable: Reaction products may be flammable
• Generates gas: Reaction liberates gaseous products and may cause pressurization

No evidence found for hazardous reactions at ambient conditions. However, hazardous reactions have been documented at elevated temperatures:

At 300C, sodium reacts with sodium hydroxide to form sodium oxide, sodium hydride, and hydrogen gas (Eggeman, T. and Updated by Staff 2007. Sodium and Sodium Alloys. Kirk-Othmer Encyclopedia of Chemical Technology. (Online); Klemm, A., Hartmann, G. and Lange, L. 2000. Sodium and Sodium Alloys. Ullmann's Encyclopedia of Industrial Chemistry. (Online); Pascal, P. 1966. Nouveau Trait茅 de Chimie Min茅rale. Vol. 2, Part 1, p. 262. Masson et Cie.).

Sodium and potassium hydroxide react reversibly at 400C to form potassium metal and sodium hydroxide (Eggeman, T. and Updated by Staff 2007. Sodium and Sodium Alloys. Kirk-Othmer Encyclopedia of Chemical Technology. (Online); Pascal, P. 1966. Nouveau Trait茅 de Chimie Min茅rale. Vol. 2, Part 2, p. 58. Masson et Cie.).

Potassium reduces oxides and hydroxides of many heavy metals to the metallic state (Burkhardt, E. R. 2006. Potassium and Potassium Alloys. Ullmann's Encyclopedia of Industrial Chemistry. (Online)).

Potential Gas Byproducts

• Hydrogen (H2)