Liquid Caustic Soda 50% (Lye)

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    Liquid Caustic Soda 50% (Lye)
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    Liquid Caustic Soda 50% (Lye)

    $379.00

    Liquid Caustic Soda 50% (Lye) – High-Concentration Sodium Hydroxide Solution for Industrial Applications

    Introduction

    Liquid Caustic Soda 50%, also referred to as Sodium Hydroxide Solution 50% or Lye, is a highly alkaline, colorless, and odorless aqueous solution of sodium hydroxide (NaOH). With a concentration of 50% by weight, it is widely used in a variety of industrial, chemical, and environmental applications due to its powerful reactivity, neutralizing capabilities, and pH control.

    This concentrated form is favored in high-demand environments such as chemical processing, pulp and paper manufacturing, petroleum refining, food production, and water treatment facilities. Its ease of handling in liquid form offers significant advantages for dosing and mixing.

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    Description

    Chemical Identity

    • Chemical Name: Sodium Hydroxide

    • Common Name: Caustic Soda Lye 50%

    • Chemical Formula: NaOH

    • CAS Number: 1310-73-2

    • Appearance: Clear, colorless to slightly cloudy liquid

    • Odor: Odorless

    • pH (1% solution): >13

    • Solubility: Fully miscible in water (exothermic reaction)

    Specifications of Liquid Caustic Soda 50%

     

    Property Specification
    Sodium Hydroxide (NaOH) 50% ± 1%
    Sodium Carbonate (Na₂CO₃) ≤ 0.3%
    Sodium Chloride (NaCl) ≤ 0.1%
    Iron (Fe) ≤ 0.005%
    Specific Gravity (20°C) ~1.525 g/cm³
    Boiling Point ~143°C
    Freezing Point ~12°C

    Applications of Liquid Caustic Soda 50%

    🧪 Chemical Manufacturing

    A primary raw material in the production of chemicals such as sodium hypochlorite, sodium phosphate, surfactants, dyes, and detergents.

    📄 Pulp and Paper Industry

    Used extensively in the kraft pulping process, bleaching, and deinking of recycled paper.

    💧 Water and Wastewater Treatment

    Plays a vital role in neutralizing acidic wastewater, adjusting pH levels, and precipitating heavy metals in both municipal and industrial systems.

    🛢️ Petroleum and Gas Refining

    Used for neutralization of acidic crude, caustic scrubbing, and in the removal of sulfurous and phenolic compounds.

    🧼 Food and Beverage Industry

    Approved for regulated use in cleaning, peeling fruits and vegetables, and sanitizing equipment, when food-grade specifications are met.

    Handling and Storage

    • Corrosive Nature: Can cause severe burns upon contact. Use protective gear including gloves, goggles, and chemical-resistant clothing.

    • Storage: Store in tightly sealed, corrosion-resistant containers. Keep away from acids, organic materials, and incompatible substances.

    • Transport: Classified as a hazardous material; handle with care and according to local regulations.

    Conclusion

    Liquid Caustic Soda 50% (Lye) is a powerful and efficient chemical solution essential to countless industrial and environmental processes. Its high purity, strong alkalinity, and diverse applications make it a staple in industries ranging from chemical manufacturing and pulp processing to water treatment and petroleum refining. With proper handling and storage, it provides consistent and reliable results for demanding operational needs.

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