Octadecylsulfuric acid. Properties of the acid, amine salts, and salts of amino acids

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Abstract
Summary: Octadecanol, hexadecanol, tetradecanol, and dodecanol were sulfated with chlorosulfonic acid, and the corresponding alkylsulfuric acids were isolated in a pure state as white crystalline solids with definite melting points.Octadecylsulfuric acid resembles sodium octadecyl sulfate in detergent and surface‐active properties and in stability to hydrolysis at equal concentrations of hydrogen ion. It is more soluble in water than sodium octadecyl sulfate and readily soluble in organic solvents. The critical micelle concentration (0.0387 millimoles/I.) is only about one‐third that of the sodium salt.Isolation of octadecylsulfuric acid as a useful chemical intermediate made possible the preparation of a number of salts with amines and amino acids and their rapid screening for useful properties.

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