Sodium n-dodecyl sulfate 20% aq. solution is used as an anionic surfactant. It is also used as fat emulsifier, a wetting agent, a detergent in cosmetics, pharmaceuticals and toothpastes. It also serves as a research tool in protein biochemistry. It is mainly used in detergents for laundry with many cleaning applications. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.