Abstract
Some N-odd-numbered acyl-L-glutamic acids were prepared and these sodium salts were compared with the sodium salts of N-even-numbered acyl-L-glutamic acids with respect to the Krafft points, critical micelle concentrations (cmc), pH values, surface tensions, foaming powers, wetting powers and dishwashing detergencies. When the Krafft points of both odd and even monosodium salts were plotted against the carbon number of the acyl radical, a zigzag curve was obtained. As to the cmc and surface activities, this odd-even alternation was not observed.