Abstract
IN the nitration of 2 : 4-dinitrotoluene in homogeneous solution in 87–100 per cent sulphuric acid media1, the effective nitrating agent is the nitronium (NO2+) ion2. The velocity coefficient k2 of the equation (which is valid for fixed initial conditions only) has a maximum (first discovered by Martinsen3) in 92·0 per cent sulphuric acid at 90°.
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References
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BONNER, T., JAMES, M., LOWEN, A. et al. Nitration in Sulphuric Acid. Nature 163, 955 (1949). https://doi.org/10.1038/163955a0
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DOI: https://doi.org/10.1038/163955a0
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