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Hazard Predictions

• Explosive: Reaction products may be explosive or sensitive to shock or friction
• Flammable: Reaction products may be flammable
• Generates heat: Exothermic reaction at ambient temperatures (releases heat)
• Intense or explosive reaction: Reaction may be particularly intense, violent, or explosive

Magnesium reacts violently with metal nitrates, phosphates, sulfates, and carbonates. The alkali metals, especially lithium, often react similarly to magnesium and other alkaline earth metals (Bretherick, L. Bretherick's Handbook of Reactive Chemical Hazards, 4th Edition. Oxford: Butterworth-Heinemann. p. 1657; Mellor, J. 1940. Mellor's Comprehensive Treatise on Inorganic and Theoretical Chemistry. Vol. 4, p. 272; Vol. 8, Supp. 2, p. 545. Longmans, Green and Co Ltd.; Pieters, H.A.J. 1957, Safety in the Chemical Laboratory, London: Academic Press, 2nd ed. p. 30).

Above 700C, sodium carbonate and sodium metal react to form sodium carbide (Na2C2) (Eggeman, T. and Updated by Staff 2007. Sodium and Sodium Alloys. Kirk-Othmer Encyclopedia of Chemical Technology. (Online)).