Sodium 1-methoxy-1-oxohexadecane-2-sulphonate is a chemical compound that is commonly used as a surfactant and detergent. Its molecular formula is C17H33NaO5S, and its molar mass is 388.5 g/mol. It is a water-soluble white powder with high surface activity and emulsification properties. The compound is synthesized by the reaction of 1-methoxyhexadecan-2-one with sulfur trioxide and then neutralizing the product with sodium hydroxide. It is widely used in various industries, including the production of personal care products, cosmetics, and surfactants for institutional and industrial cleaning.