It is in soarte fan anorganyske ferbining, ek bekend as caustic soda, caustic soda, caustic soda, natrium hydroxide hat sterke alkaline, ekstreem corrosive, kin brûkt wurde as acid neutralizer, mei maskering agent, precipitating agent, delslach maskering agent, kleur agent, saponification agent, peeling agent, detergent, ensfh, it gebrûk is hiel breed.