Tergitol TMN 3 is widely used as a nonionic surfactant in various industrial and household applications. It is particularly effective in cleaning formulations, where it helps to reduce surface tension and enhance the removal of dirt and grease. This makes it a common ingredient in detergents, dishwashing liquids, and all-purpose cleaners.

In industrial settings, it is utilized as a wetting agent and emulsifier in processes such as textile manufacturing, metal cleaning, and agricultural chemical formulations. Its ability to stabilize emulsions and improve the spreadability of liquids makes it valuable in coatings, paints, and personal care products like shampoos and lotions.

Additionally, Tergitol TMN 3 is employed in oilfield applications, where it aids in the recovery of crude oil by improving the efficiency of water flooding techniques. Its versatility and effectiveness in various roles make it a key component in many formulations across different industries.