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Disproportionation kinetics of N Cl‐ n ‐propylamine and N Cl‐isopropylamine
Author(s) -
Antelo Juan M.,
Arce Florencio,
Parajo Mercedes,
Rodriguez Pilar,
Varela Angel
Publication year - 1992
Publication title -
international journal of chemical kinetics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.341
H-Index - 68
eISSN - 1097-4601
pISSN - 0538-8066
DOI - 10.1002/kin.550241109
Subject(s) - isopropylamine , chemistry , disproportionation , chloramine , propylamine , protonation , kinetics , catalysis , ionic strength , amine gas treating , inorganic chemistry , medicinal chemistry , organic chemistry , aqueous solution , ion , physics , chlorine , quantum mechanics
The kinetics of the disproportionation of N Cl‐ n ‐propylamine and N – Cl‐isopropylamine to the corresponding N, N ‐dichloramines were found to be a second order with respect to the N ‐chloramine. The influence of amine concentration, pH, buffers, ionic strength, and temperature were also studied. The observed influence of pH supports a reaction mechanism which allowed estimation of the protonation constants of the chloramines studied. The influence of buffers, which was studied for both the above chloramines and N Cl‐3‐aminopropanol, reflects general acid catalysis, for which a mechanism is proposed. Bronsted's equation was fitted to the catalytic constants obtained therefrom so as to estimate the values of the parameter α for these three N ‐chloramines. © John Wiley & Sons, Inc.
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