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  • *CORECHEM is a single location distributor shipping primarily in the Eastern United States. Higher freight costs may be incurred for North American shipments outside of this area. We are not able to competitively service overseas chemical requirements. Thank you!*

Sodium Hydroxide 25% Solution

25% Sodium Hydroxide, Caustic Soda 25%, 25% NaOH, Caustic, Lye, Liquid Caustic
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Sodium Hydroxide 25% Solution is a clear to hazy white liquid. It has no odor.

Caustic Soda 25% is produced with Membrane Grade Caustic Soda and contains 24 – 26% NaOH by weight. See our blog Sodium Hydroxide: Membrane vs Diaphragm Grade for more information on grades. It is a highly caustic base and alkali with inherent hazards that must be respected by those that handle it. This product is also available in higher concentrations and as NSF.

Product Data SheetSafety Data Sheet

Caustic Soda 25% Market Update


Chemical formula

Sodium Hydroxide Solution is used in a broad range of applications, including: pulp and paper, detergent, chemical manufacture, water treatment, agricultural chemicals, paint removers, pigments, soap, surfactants, rayon, cellulose film, petroleum refining, reclaiming rubber, ore flotation and processing, ion-exchange resin regeneration, fruit and vegetable peeling, lab reagent, etching and electroplating, and pH adjustment.

This product is corrosive and causes severe skin burns and eye damage. Do not get in eyes, on skin, or on clothing. Wear appropriate personal protective equipment when handling this product. Do not taste or swallow. Do not breathe mist or vapor. Use only with adequate ventilation. Use caution when combining with water; DO NOT add water to caustic, ALWAYS add caustic to water while stirring to minimize heat generation. Always observe good industrial hygiene practices. Do not mix with other chemicals. Please see Sodium Hydroxide 25% Solution Safety Data Sheet for full safety and compatibility information.


UN1824, Sodium Hydroxide Solution, 8, PG II

Sodium Hydroxide 25% Solution is available in 4X1 gallon cases, 5-gallon carboys, 55-gallon drums, 275 or 330-gallon totes, and full bulk tank trucks.