Sodium Hydroxide (Lye)
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Sodium Hydroxide Description
Sodium hydroxide is useful for its ability to alter fats. At room temperature, sodium hydroxide is a white crystalline odourless solid that absorbs moisture from the air. It is a manufactured substance. When dissolved in water or neutralized with acid it liberates substantial heat, which may be sufficient to ignite combustible materials.
Sodium hydroxide is very corrosive. It is generally used as a solid or a 50% solution. Sodium hydroxide is used to manufacture soaps, rayon, paper, explosives, dyestuffs, and petroleum products. It is also used in processing cotton fabric, laundering and bleaching, metal cleaning and processing, oxide coating, electroplating, and electrolytic extracting. It is commonly present in commercial drain and oven cleaners.