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Sodium Hydroxide Caustic Soda Lye

Sodium Hydroxide (Caustic Soda / Lye)

Level 7 Chemical supplies sodium hydroxide in solid bead form and liquid solution for industrial, water treatment, food processing, and soap making applications. No minimums. Fast shipping from Conway, Arkansas.

CAS: 1310-73-2  |  Formula: NaOH  |  pH (1% solution): ~13  |  Also known as: Caustic soda, lye, white caustic, soda lye

Forms / Types We Carry

  • Sodium Hydroxide Beads (Solid) — Small free-flowing white spheres, 99% purity, less dusty and easier to handle than flakes. Best for soap making, batch processing, food applications, and general industrial use. Available in 50 lb bags and 500 lb drums.
  • Liquid Caustic Soda (25% and 50% Solution) — Pre-dissolved, ready to dose. Ideal for water treatment dosing systems, CIP cleaning lines, and continuous industrial processes. Available in drums.

Need pallet or truckload quantities? Request a bulk quote.

Grades

Grade Purity Suitable For
Technical Grade 99%+ Water treatment, industrial cleaning, chemical processing, pH adjustment, biodiesel, pulp & paper
Food Grade (FCC) 99%+ Food processing, soap for food-contact surfaces, brewing, any application requiring FCC documentation

Common Applications

  • Water Treatment — Raises and controls pH in drinking water, wastewater, and industrial process water. Prevents pipe corrosion and improves chlorine disinfection effectiveness.
  • Soap Making — Essential ingredient in bar soap via saponification. NaOH for bar soap; KOH for liquid soap. One of our most popular customer segments.
  • Food Processing — Used in pretzel lye baths, olive curing, hominy/masa, and ramen noodle production. FCC grade and COA required.
  • Industrial Cleaning — Active ingredient in degreasers, oven cleaners, drain openers, and CIP cleaning compounds. Breaks down fats, oils, and proteins.
  • Biodiesel, Pulp & Paper, Chemical Manufacturing, Pool pH — See our full sodium hydroxide guide for detailed application information.

Safety Basics

Caustic soda causes severe burns. Always wear chemical splash goggles and chemical-resistant gloves. When dissolving solid NaOH, add it slowly to water — never water to solid. Store sealed and dry. Full SDS available on request. We carry gloves, goggles, and face shields if you need PPE alongside your order.

Why Level 7 Chemical?

  • No minimums — one bag to truckload
  • Net Terms may be available to qualified companies - apply via Resolve Pay
  • Fast shipping — most U.S. deliveries in 2–5 business days
  • COA available — documentation for quality-sensitive applications
  • Questions? Call (888) 893-1172 or email help@level7chemical.com

Related: Potassium Hydroxide (KOH)  |  Soda Ash  |  Sodium Percarbonate  |  Safety & PPE