|
HS Code |
932740 |
| Chemical Name | Sodium Hydroxide |
| Common Names | Caustic Soda, Lye |
| Chemical Formula | NaOH |
| Purity | 99% |
| Physical Form | Granulated Solid |
| Color | White |
| Odor | Odorless |
| Molar Mass | 40.00 g/mol |
| Melting Point | 318°C |
| Boiling Point | 1388°C |
| Solubility In Water | Highly soluble |
| Density | 2.13 g/cm³ |
| Ph Of Solution | Approximately 13 (1% solution) |
| Cas Number | 1310-73-2 |
| Hazard Classification | Corrosive |
As an accredited 99% Granulated Sodium Hydroxide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for 25kg 99% Granulated Sodium Hydroxide features a sturdy, sealed white plastic sack with printed safety and handling instructions. |
| Container Loading (20′ FCL) | 20’ FCL contains securely packed 99% Granulated Sodium Hydroxide in moisture-proof bags, loaded on pallets, complying with safety regulations. |
| Shipping | 99% Granulated Sodium Hydroxide is shipped in tightly sealed, corrosion-resistant containers such as high-density polyethylene drums or bags. Packaging ensures protection from moisture and contamination. Proper labels indicating caustic hazard are affixed. During transportation, it is kept upright and secure, complying with regulations for dangerous goods handling and storage. |
| Storage | 99% Granulated Sodium Hydroxide should be stored in a cool, dry, and well-ventilated area, away from moisture, acids, and incompatible materials. Use tightly sealed, corrosion-resistant containers. Keep away from heat sources and flammable substances. Clearly label storage areas and ensure access is restricted to trained personnel. Regularly inspect containers for leaks or damage, and use appropriate secondary containment. |
| Shelf Life | 99% granulated sodium hydroxide typically has an indefinite shelf life if stored properly in a tightly sealed container, away from moisture. |
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Purity 99%: 99% Granulated Sodium Hydroxide with purity 99% is used in pulp and paper manufacturing, where efficient lignin removal enhances paper brightness and quality. Particle Size 1-3 mm: 99% Granulated Sodium Hydroxide with particle size 1-3 mm is used in textiles processing, where rapid dissolution accelerates mercerization for improved fiber strength. Melting Point 318°C: 99% Granulated Sodium Hydroxide with a melting point of 318°C is used in chemical synthesis, where stable high-temperature performance ensures consistent reagent activity. Low Moisture Content: 99% Granulated Sodium Hydroxide with low moisture content is used in biodiesel production, where minimized water contamination increases reaction yield and product purity. Storage Stability: 99% Granulated Sodium Hydroxide with high storage stability is used in detergent manufacturing, where extended shelf life maintains alkali strength for optimal cleaning efficiency. Flowability: 99% Granulated Sodium Hydroxide with superior flowability is used in water treatment plants, where uniform dosing improves pH control accuracy and process consistency. High Reactivity: 99% Granulated Sodium Hydroxide with high reactivity is used in soap production, where rapid saponification reduces batch times and boosts throughput. Bulk Density 1.2 g/cm³: 99% Granulated Sodium Hydroxide with bulk density 1.2 g/cm³ is used in chemical reactors, where optimal packing reduces dust formation and exposure risk. Thermal Stability: 99% Granulated Sodium Hydroxide with enhanced thermal stability is used in oil refining, where resistance to decomposition ensures reliability under variable process temperatures. |
Competitive 99% Granulated Sodium Hydroxide prices that fit your budget—flexible terms and customized quotes for every order.
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Working every day inside a sodium hydroxide plant, I’ve dealt with a full range of questions, product testing, and even the occasional late-night call about delivery and performance. Over the years, the nature of requests hasn’t changed much—engineers, formulators, and operators want consistency and reliability, especially when they turn to 99% granulated sodium hydroxide for their operations. From where we stand at the heart of production, it’s not just chemistry and process control, but also decades of field use and industry history shaping the product you see today.
The first thing you’ll notice about the 99% granulated grade is its density and purity. Granules handle differently from flakes or pearls—lighter in dust, easier to feed into dosing systems, and safer to store for extended periods. Companies that need volume find the granulated grade gives a more predictable measure. Handling bulk storage bins or simple drums, workers appreciate that granules are far less likely to cake or clump compared with their flake cousins, especially in more humid regions. Temperature swings and the challenge of keeping things dry impact everyone, but less so with granulated form.
Experience has shown that the purity level matters most in applications where even small impurities create downstream trouble: food manufacturing, pharmaceuticals, and high-end cleaners. We field frequent requests from soap makers, resin manufacturers, and operators of water treatment plants who ask for tight controls around iron, heavy metal, and carbonate content. The 99% rating means not just more sodium hydroxide doing its job, but also less interference from unwanted traces that could spoil reactions or affect regulatory compliance.
From our point of view as producers, the story starts with caustic soda’s birth in the cell room. Precise salt, controlled electricity, and careful monitoring create a base liquor—a world away from the clean white granules that leave our finishing hall. Evaporation and granulation demand constant vigilance; too much moisture leads to sticky product, too dry can cause dusting and handling issues. Granulating instead of flaking involves extra steps. The end result is a pellet that resists air humidity and holds its shape during shipping. It’s easy to recognize batches by their brightness and absence of fines, a matter of pride for our finishing crews.
The difference between granulated and flaked or pearl grades often goes unmentioned yet pops up every day at receiving docks and mixing tanks. Granulated sodium hydroxide pours more like sugar than like a mineral powder. Staff in chemical plants deal with fewer tears in bags, lower container residue, and far less product loss. This difference saves time and money, especially when crews blend large quantities into batch tanks or need split shipments for multi-site operations.
The volume of orders from pulp and paper plants alone tells half the story. The strong base action of caustic attacks lignin, brightens fibers, and enables yields that would otherwise underperform. In water treatment, the focus is on neutralization, pH adjustment, and transforming heavy metal pollution into manageable precipitate. Both sectors demand high purity and granule form—blockage, clumping, or variable purity invite expensive downtime. In detergents and cleaning chemicals, our product stirs in quickly, reacts predictably, and eases the job for line operators who don’t need to handle sticky residues or spend extra time on equipment cleaning.
One less familiar area of use comes from clients in biodiesel production. Each process step depends on consistent caustic quality, especially when converting triglycerides into methyl esters under tight schedules. Similar discipline shows in laboratories and semiconductor washing stations, where no one tolerates iron contamination or unexplained test results. Food and beverage producers prize the same purity for making caramel, pretzels, or cocoa. The product’s granule structure speeds dissolving, which means higher process throughput.
Anyone running a chemical manufacturing site knows daily risks. The same caustic action that makes sodium hydroxide valuable also creates strict attention to personal protective equipment and air handling. Shrinking the dust load ranks as a top goal. We made the shift from flakes to granulated lines years ago after seeing a real reduction in worker exposure and product loss. Bagging equipment stays cleaner, and transfer lines avoid powder jams. Safety teams comment that spill cleanup drops with granulated product, and training new operators gets simpler.
Caking presents another issue for sodium hydroxide, especially for customers in regions with wet or salty air. Once caustic starts absorbing atmospheric water, it agglomerates and becomes a brick inside its bag or silo. This sparks shovel work, lost product, and eventual maintenance headaches. It's not an academic problem—one rainstorm during unloading can spell disaster for an entire shipment. To counteract this, we invest heavily in moisture monitoring during production and use packaging with reinforced linings plus desiccant controls. Even with these measures, granulated sodium hydroxide still wins on storage and shelf life compared to flakes and pearls, delaying the fight against hardening and giving end users more breathing room to run their inventories down.
Those running older plants often ask if they should switch to granulated from flake or even stick with liquid caustic soda. Each format has a time and place. Liquid sodium hydroxide, typically at concentrations of 32–50%, ships in bulk tankers and suits large, constant-use operations. Its main drawbacks show up in transport hazards, tank maintenance, and temperature demands—liquid caustic loses its value if it solidifies in a line or corrodes seals. Flake caustic soda, the previous industry favorite, handles easily and fits into processes where fine powder is needed, but it brings high dust levels, more operator exposure, and faster moisture pickup. Pearl grades, with rounded beads, fall between flake and granule but don’t quite address dust and caking as thoroughly.
In practice, granulated 99% caustic soda often serves as the best balance: high concentration, safer handling, and resistance to the humidity and clumping that create headaches. Finishing quality means that even after months in warehouse storage, a bag of granules can be scooped and poured—no sledgehammer or forced vibration needed. Process teams see a difference at the front line, not just on lab reports or purchasing forms.
Every batch speaks directly to our record as a manufacturer, and the scrutiny never lets up. Automated sample points and manual spot tests, reviewed shift by shift, keep contaminant levels below the limits set for food, cosmetics, and reagent use. Customers want transparency, so we invest in regular third-party audits, traceability programs, and waste reduction initiatives. These aren’t window dressing—some of our oldest contracts depend on years of smooth, reliable supply with no changes in composition or ease of use. Our line workers see it as a matter of professional pride that a bag leaving the plant today matches the specs shipped seasons ago.
Technology in granulation continues to move, albeit slower than headline-grabbing fields like materials science or pharmaceuticals. Investments in process automation, automatic bag sealers, and AI-based cameras for surface inspection have quietly made the product more consistent year over year. Mixing and granulation steps need precise thermal management, or else quality slips—something you can spot just by the way granules feel between thumb and forefinger. We keep an open channel with equipment vendors for upgrades and run pilot trials before committing to any large-scale change that could impact end users.
End users prioritize track record as much as spec sheets. Many of our customers, especially in regulated industries, want full documentation showing each shipment’s route through production, testing, and shipping. Traceability isn’t a paper exercise—it’s part of the risk management process that auditors and compliance teams check without notice. We invested in digital batch tracking, and offer plant visit days for customers’ technical staff who want to watch production firsthand. Mistakes or deviations, rare as they are, get noticed right away. Cutting corners never yields real savings in this field, and the added transparency builds trust with partners thinking long term.
One area where customers see growing importance is in sustainability, from energy use in electrolysis to emissions control in drying and packaging. We run closed-cycle water systems, monitor effluent, and look for ways to recover process heat. In places where regulators or downstream buyers mandate audited supply chains, it’s often our 99% granulated output that meets both the letter and the spirit of those rules. Documentation travels with every truck, container, and bag, helping users show their own customers and inspectors that every step meets modern standards.
Beyond theory, market fluctuations and unexpected supply hiccups can rattle even the best-run operations. For 99% sodium hydroxide, demand spikes happen quickly—crop failures push up edible oil processing, new regulations affect effluent treatment, or a region faces sudden contamination in its water supply. Our approach leans on buffer inventories, multi-modal transportation contracts, and networked warehousing. We keep contingency plans active, ready to adjust output or divert supply where it’s needed most, and stay in constant contact with users under contract to anticipate their needs.
Customers sometimes ask about supply security in a world of shifting tariffs, plant maintenance schedules, and weather disruptions. Rather than waiting for issues to balloon, we rely on early warning from our logistics team and maintain good working relationships with local inspectors and regional carriers. We’ve learned that direct communication saves more batches, keeps plants running smoothly, and reduces the urge to hoard product when rumors hit the market.
Over the years, we have received stories from customers across industries who see value far beyond the laboratory numbers. A large regional water utility described how the switch to granulated sodium hydroxide made winter unloading simpler, cutting freeze-related downtime in half. In a soap factory, plant supervisors reported that the tighter control on dust during raw material transfer trimmed lost product and made regulatory inspections less stressful. At a mid-sized brewery experimenting with recovery systems, the consistent purity ensured that batch testing never had to pause due to trace contaminants—critical for products entering the premium segment.
One unusual benefit reported by users of our granulated grade concerns troubleshooting. Process issues sometimes trace back to raw materials, but with a well-documented supply and tight quality control, engineers quickly rule out sodium hydroxide as the cause. This shaves hours or days off maintenance and lets teams focus on real root causes. Supply chain staff appreciate that routine shipment checks almost always pass without drama, even during periods of increased humidity, because the granulated style holds up under less-than-ideal conditions.
Safety trainers and plant managers give regular feedback that granulated sodium hydroxide transforms employee orientation. New operators adapt to the bag handling and dosing expectations more quickly, since product flow stays predictable and bags don’t burst or vent clouds at inopportune moments. Cleanup remains an ongoing challenge with any caustic material, but the thicker granules stick to transfer lines and scoops, producing less airborne residue. Many sites update their safety manuals to reflect this difference, and recorded incident rates have confirmed the switch as worthwhile.
Accidents can happen anywhere if attention lapses, but years of use show that switching to the granulated grade reduces both immediate risk and long-term exposure. We continue to share best-practice guides for storage, handling, and first aid—lessons learned over decades spent not just in the lab or office, but on the shop floor, walking lines, and tracing spills with crews during routine maintenance days.
Customers increasingly care about origin and process just as much as about price and composition. We expect more demand for direct-from-manufacturer product, as transparency, energy efficiency, and responsible chemical management move up the industry agenda. Granulated 99% sodium hydroxide fits this direction: it’s easier to manage inventory, reduces environmental risk through better containment, and matches strict quality specifications. Investments in packaging, automated blending, and employee training all pay off in cleaner supply chains.
As end users face tougher rules for emissions and product purity, the granulated grade provides a path toward compliance without sacrificing throughput or safety. Plant design teams—including our own technical advisors—recommend using this form to streamline dosing, lower loss rates, and create safer working conditions.
Having spent years hearing both praise and complaints firsthand, I see the continued evolution of granulated sodium hydroxide as both a technical and customer-driven process. Every new plant addition or process upgrade ties back to feedback from people operating reactors, mixers, and pipelines daily. We run pilots inside the main plant before committing to a change, putting every tweak under the eye of quality control. Outside consultants weigh in, but real value comes from relationship-building and openness to iterative improvement.
For those working with sodium hydroxide on site, granulated 99% isn’t just another choice on a spec sheet. It reflects efforts across production, distribution, and support teams to match product with practical need—reliability, safety, and verifiable purity in every delivery. We continue to listen to the field, share lessons learned, and adapt as technology and expectations move forward, always aiming to meet the direct needs of industrial users counting on caustic soda as a daily staple in complex operations.