The common name of sodium hydroxide is lye or caustic soda.
Sodium hydroxide is a highly caustic and alkaline compound with the chemical formula NaOH. It is commonly used in the production of soaps, detergents, and paper. It is also used in the manufacturing of various chemicals, including textiles, dyes, and plastics. Due to its corrosive nature, it can cause severe burns and must be handled with care.