Alkylpolyethoxy carboxylates (AEC) is a new type of multifunctional anionic-surfactants. AEC exhibit nonionic properties at low pH due to a poly-ethoxy group being inserted between the fatty chain and the carboxylic group of soaps. AEC can be used in a wide pH range. AEC shows Good detergency, emulsifying, dispersability and lime soap dispersability. It can produce stable foam with high foam power. It exhibits good properties: Acid and alkaline stability, hard-water tolerance, high temperature resistance, oxidants and reductants resistance, Compatibility with general surfactants and hydrotroping ability. It is non-toxic, non-irritating, and readily biodegradable.