Premium Sodium Hydroxide Prills High Purity Caustic Soda

High-Purity Sodium Hydroxide Prills for Superior Industrial Efficiency

Product Overview and Quality Standard Sodium Hydroxide Prills (NaOH, CAS No. 1310-73-2) represent a premium solid form of caustic soda engineered for modern automated chemical processes. Synthesized via advanced membrane cell electrolysis technology, our prills feature a minimum purity of 99.0%, ensuring negligible impurities such as sodium carbonate (Na2CO3), heavy metals, and chloride content. Unlike irregular flakes, prills are uniform, smooth spheres designed to optimize pneumatic conveying, automated hopper feeding, and precise batch metering.

Key Features and Operational Advantages

(1) Superior Flowability and Low Dust Formulation: The spherical shape prevents mechanical bridging, rat-holing, and clogging in feeders, hoppers, and silos. This free-flowing characteristic vastly reduces airborne particulate dust during bulk discharge, creating a cleaner, safer work environment for personnel while minimizing hazardous exposure risks.

(2) Rapid and Uniform Dissolution Rate: With a high ratio of surface area to volume, Sodium Hydroxide Prills dissolve faster and more uniformly in aqueous solutions compared to dense block forms or uneven flakes. This accelerates batch mixing times, saves energy, and reduces agitation overhead in large tanks.

(3) Reduced Caking and Extended Storage Stability: Prills present a significantly lower contact surface for inter-particle friction and moisture absorption. Combined with protective heavy-duty moisture-barrier packaging (25 kg bags or 1000 kg super sacks), our prills resist caking during long-distance ocean transit and extended warehouse storage.

(4) High Chemical Reactivity: High chemical purity guarantees reliable stoichiometric calculations during neutralization, saponification, and extraction reactions, eliminating unexpected process variations or unwanted byproduct formation.

Primary Industrial Applications

(1) Water Treatment and Environmental Engineering: Used extensively for pH neutralization of industrial wastewater, municipal effluent balancing, and boiler water alkalinity maintenance. Caustic soda prills effectively precipitate heavy metal ions and assist in water softening routines.

(2) Soaps, Detergents, and Cleaning Compounds: As a core saponification catalyst, Sodium Hydroxide Prills react with animal fats and vegetable oils to produce hard soaps. They are also crucial components in industrial degreasers, CIP (Clean-In-Place) sanitation chemicals, and commercial drain cleansers.

(3)Chemical Manufacturing and Catalysis: Acts as a basic reagent and raw material for synthesizing sodium salts, polycarbonates, epoxy resins, sodium hypochlorite, and pharmaceutical intermediates.

(4) Textile Processing and Dyeing: Applied during the mercerization process of cotton fibers to increase tensile strength, fabric luster, and dye absorption capacity, as well as in scouring operations to remove natural waxes.

(5) Pulp and Paper Industry: Employed in the Kraft pulping process for wood digestion, lignin extraction, and bleaching stages to yield high-strength paper stock.

(6) Alumina and Metallurgy: Essential for extracting pure alumina from bauxite ore via the Bayer Process, dissolving aluminum oxides while leaving insoluble residues behind.

Technical Specifications

• Chemical Formula: NaOH

• Molecular Weight: 40.00 g/mol

• CAS Registry Number: 1310-73-2

• Appearance: White, free-flowing spherical granules

• Purity (NaOH): Greater than or equal to 99.0%

• Sodium Carbonate (Na2CO3): Less than or equal to 0.4%

• Sodium Chloride (NaCl): Less than or equal to 0.03%

• Iron (Fe): Less than or equal to 10 ppm

Handling, Storage, and Packaging

(1) Safety Protocols: Sodium Hydroxide is a strongly alkaline, highly corrosive chemical substance. Always utilize personal protective equipment (PPE), including chemical-resistant suits, neoprene gloves, face shields, and vapor/dust respirators. In case of skin or eye contact, flush immediately with copious amounts of water for at least 15 minutes and seek emergency medical aid.

(2) Storage Environment: Store in a cool, dry, well-ventilated dedicated warehouse area away from incompatible substances such as strong acids, reactive metals (aluminum, zinc, tin), and organic peroxides. Keep containers tightly sealed to block ambient humidity and carbon dioxide absorption.

(3) Packaging Solutions: Standard offerings include 25 kg PP/PE woven bags with internal sealed polyethylene liners, 25 kg multi-wall kraft paper bags, or 1000 kg UV-resistant bulk bags (FIBCs) secured on ISPM-15 compliant heat-treated wooden pallets. Custom OEM labeling and specialized bulk sizing options are available upon request for international distributors.