Description: caustic soda
Appearance: white color; pearls, micropearls, prills or pellets
UN No.: 1823
CAS No.: 1310-73-2
HS code: 28151100
EINECS No.: 209-553-4
Pakcage: 25kg bag; 25kg steel drum; 500lb steel drum;1.2tons jumbo bag, customized package.
Secure maximum process efficiency and lower landed costs with premium-grade Caustic Soda Pearls (99% NaOH) direct from our state-of-the-art chlor-alkali production facility. Engineered for rapid dissolution and dust-free handling, our micro-spherical sodium hydroxide guarantees peak chemical reactivity across heavy industrial, mining, and manufacturing applications.
As a trusted global caustic soda supplier, we provide reliable bulk shipments (FCL) packaged specifically to withstand high-humidity transit and tropical storage conditions, ensuring zero caking and zero process downtime for your factory.


Key Technical Specifications
● Chemical Formula: NaOH (Sodium Hydroxide)
● Purity Assay: ≥ 99.0%
● Appearance: Smooth, uniform white micro-pearls / prills
● Bulk Density: ~1.15 g/cm³
● Solubility: Rapidly soluble in water with strong exothermic reaction
● Standard Packaging: 25 kg PP/PE moisture-proof woven bags or 1,000 kg FIBC jumbo bags
● Container Payload: Up to 28 Metric Tons per 20ft FCL
● Micro-Spherical Geometry: Uniform bead sizing increases liquid contact area, cutting batch mixing times, eliminating vessel residue, and boosting daily yield.
● Free-Flowing & Anti-Caking: Smooth prills feed effortlessly through automated hoppers and pneumatic dosing systems without clogs or bridge formation.
● Tropicalized Barrier Packaging: Double-layer heat-sealed bags insulate the product against ambient humidity, heat, and moisture during long ocean voyages.
● Factory-Direct Pricing: Eliminating intermediaries allows your procurement team to lock in competitive volume rates and lower landed costs per metric ton.


1. Commercial Soap & Detergent Manufacturing
Achieves complete saponification of fatty acids and tallow, producing dense, high-lather soap bars with smooth finishing and consistent structural integrity.
2. Hydrometallurgy & Gold Recovery
Acts as a precise pH regulator in gold cyanidation circuits, maintaining slurry stability and maximizing precious metal extraction efficiency.
3. Industrial Water Treatment & CIP Sanitation
Rapidly neutralizes acidic industrial effluents, strips heavy organic scaling, and sanitizes processing pipelines in food, beverage, and bottling facilities.
4. Textile Mercerization & Dye Processing
Increases cotton fiber tensile strength, improves luster, and enhances dye uptake for deep, uniform color application.



By choosing an experienced caustic soda supplier, you gain access to streamlined logistics and full compliance support. Every consignment departs our port facility with complete documentation, including:
● Certificate of Analysis (COA)
● Safety Data Sheet (SDS)
● Pre-shipment Inspection (SGS / Bureau Veritas available upon request)
Partner directly with the manufacturer to ensure continuous supply, strict quality control, and optimized shipping schedules to your destination port. Contact our export team today to receive a customized pricing proposal within 24 hours.