Sodium Hydroxide Sodium Hydroxide (NaOH): Properties, Applications, and Safety What is Sodium Hydroxide? Sodium hydroxide, commonly known as caustic soda or lye, is an inorganic compound with the chemical formula NaOH. It is a white crystalline solid that is highly caustic and can absorb moisture from the air. NaOH consists of sodium cations (Na⁺) and […]
