Mechanism of the interaction of concentrated sulfuric acid and glacial acetic acid

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Conclusions

  1. It was established by investigations of the IR spectra that the reaction between sulfuric and acetic acids proceeds in two steps: at the first step the H2SO4 and CH3COOH molecules interact in a 1∶2 ratio; at the second stage two more molecules of H2SO4 are added to the product obtained.

  2. The stoichiometric ratio of the acids in the final product is 3∶2.

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 6, pp. 1319–1322, June, 1969.