Tetrabutylammonium bromide is used as a phase transfer catalyst and in applications like powder coatings, fluoroelastomers, herbicides, resins, pharmaceuticals, and zeolites. It can also be used as a surface-active agent, solvent, intermediate, and in products like conditioners, detergents, softeners, and pigment dispersants. Key players in the tetrabutylammonium bromide market include Albemarle Corporation, Chemtura Corporation, ICL Israel Chemicals Ltd, Jordan Bromine Company Limited, and Great Lakes Dredge & Dock Corporation.