Caustic soda, chemically known as sodium hydroxide, is one of the most widely used inorganic bases in industry. Its ability to neutralize acids, break down organic material, and drive complex reactions makes it foundational across chemicals, water treatment, alumina refining, pulp and paper, textiles, and detergents.

High-purity sodium hydroxide flakes are sourced globally by manufacturers running these processes, and dependable supply has become as much about logistics and compliance as it is about chemistry. Caustic soda (CAS 1310-73-2) is listed on the US TSCA Chemical Substance Inventory, meeting federal import and commercial use requirements for US-bound shipments.

Industrial buyers placing bulk orders also keep a close eye on caustic soda pricing, since contract rates feed directly into the cost of everything they produce downstream.

Manufacturing Process of NaOH Flakes

Caustic soda is produced through the electrolysis of purified brine, a saltwater solution that yields sodium hydroxide, chlorine, and hydrogen as co-products. Modern producers use membrane cell technology to keep purity high, impurities low, and energy use efficient. Typical output runs to ≥99% NaOH.

The sodium hydroxide solution is then evaporated and solidified into flakes that are easy to handle, transport, and dissolve.

Every shipment Elchemy supplies is tested for heavy metals, chloride, and moisture before dispatch, with a Certificate of Analysis travelling alongside each order.

Caustic Soda Flakes Price: Bulk Pricing for Industrial Buyers

If you're looking for current caustic soda flakes pricing for bulk procurement, Elchemy provides quotes based on your specific requirements. Fill out the quote request form with the required details, such as volume, destination, and any other relevant information about your procurement, and our team will revert with a detailed offer within 24 to 48 hours.

The reason pricing works on a quote basis rather than a published rate is that caustic soda is a chlor-alkali commodity, so the rate any buyer pays moves with global demand for chlorine and sodium hydroxide rather than tracking a fixed list.

Beyond that core driver, several factors layer in to shape the final number: regional power tariffs (electrolysis is energy-intensive), freight, Incoterm choice (FOB, CIF, or DDP), and applicable import duty (HTS 2815.11 for US-bound shipments).

For an approximate read on where the market sits, procurement teams often reference the caustic soda price index alongside chlor-alkali demand signals, which together give a sense of how regional rates are moving.

Trade publications also report the caustic soda flakes price per kg as a unit-level benchmark, useful for spotting short-term regional shifts even on large industrial orders.

At the bulk procurement scale, however, the caustic soda price per ton is the most relevant commercial unit, since contracts are typically negotiated and committed at that level.

For an exact rate, none of these references replace a direct quote. The actual price depends on your contract structure, destination, committed volume, and timing of dispatch, which is why a quote from our team will always be the most accurate number for your specific procurement.

Packaging & Logistics

Caustic soda flakes ship in 25 kg (55 lb) and 50 kg (110 lb) PP/PE bags or 1 MT (2,205 lb) FIBC jumbo bags, supplied as per buyer requirements. A typical 20' container holds about 25 MT (~55,000 lb).

For US-bound orders, domestic stock from our US warehouses supports faster fulfillment. If chemical sourcing is required from India or other origin countries, transit times typically run 24 to 28 days to the US East Coast and 18 to 22 days to the West Coast. Elchemy offers FOB, CIF US port, and DDP terms, depending on how your procurement team prefers to handle landed cost and customs.

Material should be stored in a cool, dry, well-ventilated area, kept clear of moisture, acids, and incompatible substances. Standard dispatch follows agreed contract terms, with expedited timelines available where needed.

Why Choose Elchemy as a Trusted Caustic Soda Flakes Supplier?

Elchemy makes caustic soda procurement straightforward for industrial buyers. That means high-purity material across Technical, Food (FDA 21 CFR), and Pharmaceutical grades, with other grades sourced on request, and a Certificate of Analysis for every batch.

For US buyers, domestic stock from our New Jersey and Houston warehouses cuts lead time when timelines are tight. Caustic soda is TSCA-listed and ships with a GHS-aligned SDS (OSHA HazCom 2012). NSF/ANSI 60 certified material is also available on request. Flexible Incoterms (FOB, CIF, or DDP) give your procurement team room to structure the deal the way it works best.

Beyond the US, Elchemy ships into 40+ countries with samples available for qualification before any bulk order and competitive pricing tailored to volume, destination, and contract terms.

Safety & Handling

Caustic soda flakes are highly corrosive and need careful handling at every stage. The material causes severe burns on skin and eye contact and is classified as a hazardous industrial chemical under OSHA HazCom 2012 (GHS). For US transport, it falls under DOT Hazmat Class 8 (Corrosive), UN1823.

Handlers should wear chemical-resistant gloves, splash goggles or a face shield, closed footwear, and chemical-resistant clothing. If contact occurs, flush the affected area with water for at least 15 minutes and seek medical attention.

Store the material in tightly sealed bags in a cool, dry, well-ventilated space, kept clear of acids, aluminum, zinc, moisture, and other incompatible substances. Contain spills with a dry inert absorbent rather than water, since concentrated material reacts exothermically with water.

The full 16-section GHS-aligned SDS is available alongside material orders.

• Typical purity ≥99% NaOH
• Low heavy-metal impurities (iron, lead, copper, nickel)
• Mercury-free and eco-compliant production
• High solubility and consistent flake size
• Easy handling and cost-effective transportation
• Sourced from facilities using advanced Bertram (Switzerland) technology
• 2-year shelf life in sealed packaging under recommended storage