Complex sentence: Sodium hydroxide, also known as lye and caustic soda, with the molecular formula NaOH is a highly caustic metallic base which is a white solid available in pellets, flakes, granules, and as a 50% saturated solution.
Split into simpler sentences: Sodium hydroxide, also known as lye or caustic soda, has the molecular formula NaOH and is a highly caustic metallic base. It is a white solid available in pellets, flakes, granules, and as a 50% saturated solution.