Caustic Soda, also known as sodium hydroxide, is a highly alkaline chemical compound with the formula NaOH. It is a white, solid substance that is highly soluble in water, producing a strong alkaline solution. Caustic soda is commonly used in various industries, including the production of soap, paper, and textiles, as well as in water treatment processes. Due to its strong corrosive properties, caustic soda must be handled with care. It can cause severe burns and damage to tissues upon contact. Safety precautions, such as wearing protective gear, are essential when working with this chemical to prevent accidents and injuries.