Caustic soda lye


Caustic soda lye is a solution of sodium hydroxide (NaOH) in water. It is a strong base with a wide range of applications in different industries. Caustic soda lye is a transparent, viscous and odorless solution which crystallizes at lower temperatures. It is a stable product that does not degenerate when exposed to light, heat or other factors. For more information on Caustic Soda Lye, please download our Application Guide or Product Data Sheet.

  • Product name

    Caustic soda lye
  • Brand

  • Chemical family

    Chlor Alkali
  • CAS number

  • Physical form

  • Chemical Formula

  • Regional availability

  • Chemical name

    Sodium hydroxide
  • Molecular Weight

  • Concentration

    20 to 50 % w/w

Market Segments

Chemical intermediates


  • Alkaline Cleaners and Degreasers,
  • Neutralizer,
  • pH Control,
  • Pulp and paper production,
  • Intermediate,
  • Softener,
  • Textile Auxiliary,
  • Water Softener,
  • Water treatment,
  • Bleaching Agent,
  • Caustic Lye,
  • Caustic Soda Lye,
  • Caustic Stable Cleaner,
  • Chemical Reagent,
  • Degreaser,
  • Disinfectant,
  • Electro Polishing,
  • Etching Agent,
  • Food Industry Cleaning,
  • All Purpose Cleaner,
  • Soaps,
  • Solvent,
  • Stackgas purification


  • Electropolishing,
  • Farming,
  • Gasworks,
  • Household Detergents,
  • Organic Synthesis,
  • Pickling Liquors,
  • Pigments,
  • Cellulose gum,
  • Hair care
Read more

Pulp and paper

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Get in touch!

For more information about Caustic soda lye, please contact our technical experts. We look forward to hearing from you.

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