It is a kind of inorganic compound, also known as caustic soda, caustic soda, caustic soda, sodium hydroxide has strong alkaline, extremely corrosive, can be used as acid neutralizer, with masking agent, precipitating agent, precipitation masking agent, color agent, сабындау агенті, пилинг агенті, жуғыш зат және т.б., қолдану өте кең.