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Hazard Predictions

• No known hazardous reaction

Solid sodium metal does not react with aromatic hydrocarbons (Pascal, P. 1966. Nouveau Trait茅 de Chimie Min茅rale. Vol. 2, Part 1, p. 224. Masson et Cie.).

Alkali metals do not react with benzene, toluene, or xylene in the absence of proton sources (such as water, alcohols, or ammonium salts) (E. M. Kaiser, Synthesis, 1972, (8), p. 391-415; C. B. Wooster, K. L. Godfrey, J. Am. Chem. Soc., 1937, (59), p 596-597).

Alkali metals dissolved in ammonia perform stepwise one-electron reductions of aromatic hydrocarbons in the presence of proton sources (inc. alcohols, water, or ammonium salts). The reaction produces 1,4-cyclohexadienes (Birch reduction) or cyclohexenes (Benkeser reduction) (A. A. Akhrem, I. G. Reshetova, Y. A. Titov: Birch Reductions of Aromatic Compounds, IFI/Plenum, New York, 1972; E. M. Kaiser, Synthesis, 1972, (8), p. 391-415).