Letter | Published:

Exchange Reactions of Iodine Compounds

Nature volume 139, pages 283284 (13 February 1937) | Download Citation



JULIUSBURGER, Topley and Weiss1 found by the artificial radioactive indicator method that an exchange takes place between sodium iodide (c. 0.5M) and methyl iodide (c. 2M) in alcoholic solution at room temperature ; the exchange is complete in a minute or two. Under similar conditions, allyl iodide exchanges with sodium iodide, but ethyl, propyl, isopropyl and methylene iodides do not ; nor does iodoform exchange in acetone solution. Further, Glückauf and Fay's2 successful concentration of active iodine from methyl iodide after neutron bombardment shows that no appreciable exchange occurs between iodine and methyl iodide in the absence of a solvent.

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  1. 1.

    J. Chem. Phys., 3, 437 (1935).

  2. 2.

    J. Chem. Soc., 390 (1936).

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  1. Institute of Theoretical Physics, Copenhagen. Jan. 23.

    • H. A. C. McKAY


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