Sodium hydroxide (NaOH) is an inorganic compound that is a highly versatile substance used in a variety of manufacturing processes. It is a white, odorless solid that can react violently with strong acids and with water. Sodium hydroxide is corrosive and can cause harm to the eyes, skin, and inner membranes. It is commonly known as caustic soda or lye and is used in the production of various products such as paper, aluminum, soaps, detergents, and pharmaceuticals. It is also used in cleaning and disinfectant products, as well as in the energy sector for fuel cell production