Synthesis, physicochemical properties, and detergency of disodium 2‐alkyl‐1,3‐propanediyl bissulfates

Abstract

Abstract In this paper we describe the synthesis and the physicochemical properties of a series of highly calcium‐tolerant anionic surfactants. Detergency tests for one of the surfactants, disodium 2‐ n ‐hexadecyl‐1,3‐propanediyl bissulfate 3d , in formulations with and without builder are reported. These tests were performed using a robot‐Terg‐O‐tometer. The results of these tests are compared to the results of detergency tests of standard surfactants: LAS 113, a linear alkylbenzenesulfonate, PAS 45, a linear alkylsulfate, and PAES 23‐2S, an alkylethersulfate, representing standard commercial anionic surfactants of which the last is calcium‐tolerant, i.e., it does not precipitate from its aqueous solution in the presence of calcium ions. The detergency performance of bissulfate 3d was similar to that of PAES 23‐2S, with and without builder.