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HS Code |
491295 |
| Chemical Name | Sodium Chlorite Solution |
| Chemical Formula | NaClO2 |
| Appearance | Clear to pale yellow liquid |
| Available Chlorine | >5% |
| Odor | Faint chlorine-like odor |
| Solubility In Water | Completely soluble |
| Ph | Typically 10-11 |
| Boiling Point | 100°C (212°F) approximate |
| Density | Approximately 1.2 g/cm³ |
| Flammability | Non-flammable |
| Stability | Stable under recommended storage conditions |
| Corrosiveness | Corrosive to metals and tissue |
| Storage Temperature | Store at 5-30°C |
| Cas Number | 7758-19-2 |
| Un Number | UN 1908 |
As an accredited Sodium Chlorite Solution [Available Chlorine >5%] factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | A 25-liter blue HDPE drum with a sealed cap, hazard labels, and clear markings: "Sodium Chlorite Solution [Available Chlorine >5%]". |
| Shipping | Sodium Chlorite Solution (Available Chlorine >5%) should be shipped in tightly sealed, chemical-resistant containers. Transport must comply with relevant hazardous material regulations, ensuring protection from direct sunlight, heat, and incompatible substances. Proper labeling, documentation, and handling precautions are required to prevent leaks, spills, and accidental contact during transit. |
| Storage | Store Sodium Chlorite Solution [Available Chlorine >5%] in a cool, well-ventilated area, away from direct sunlight, heat sources, and incompatible materials such as acids, organic substances, and reducing agents. Keep containers tightly closed, properly labeled, and made of compatible materials (e.g., polyethylene). Avoid freezing temperatures and prevent container damage or leaks to ensure safety and maintain chemical stability. |
Applications of Sodium Chlorite Solution [Available Chlorine >5%] in Industrial ManufacturingSodium chlorite solution with more than 5% available chlorine serves as a key intermediate for oxidative and disinfection processes in various industrial manufacturing sectors. As a direct producer, we supply high-purity product for integration in regulated downstream operations requiring reliable chlorine dioxide generation and oxidation. 1. Drinking Water Disinfection and PotabilizationMunicipal water treatment plants apply sodium chlorite in on-site chlorine dioxide generation systems to meet stringent potable water standards. Operators use it to control microbial contamination, taste and odor compounds, and manganese/iron levels. Process engineers adjust dosage based on raw water characteristics, ClO2 demand, and system hydraulics. This application requires rigorous monitoring of residual disinfectant and by-product presence, and adherence to government-mandated safety protocols. Industry compliance standards
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2. Pulp and Paper Bleaching and DelignificationSodium chlorite solution is integral in pulp and paper industries for controlled pulp bleaching and delignification. Chlorine dioxide produced on-site with our solution selectively removes lignin while preserving cellulose, minimizing AOX formation compared to elemental chlorine-based bleaching. Plants follow precise process control to achieve required brightness, purity, and minimize effluent toxicity. The product integrates into multi-stage bleaching sequences where compliance with environmental discharge limits is compulsory. Industry compliance standards
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3. Textile Fiber Bleaching and PreparationTextile mills employ sodium chlorite solutions in continuous and batch bleaching of cellulosic fibers such as cotton, viscose, and linen. The solution is selected for its efficiency in color removal and low fiber damage compared to hypochlorite. Regulatory requirements for effluent quality, especially in export markets, drive careful process control to reduce chlorinated by-products. Technicians tailor the ratio and exposure time based on fabric type, pre-treatment status, and desired whiteness index, requiring inline QA and neutralization before discharge. Industry compliance standards
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4. Environmental and Process Disinfection in Food Processing FacilitiesFood processing plants use sodium chlorite solutions for on-site generation of chlorine dioxide, aimed at environmental hygiene control, CIP systems, and processing surface sanitation. The solution allows rapid pathogen control on conveyors, tanks, and critical surfaces, without significant residue formation. Plants maintain strict documentation of critical control points and real-time dosing logs, aligning with HACCP protocols and food safety law. Adjustment of feed rates ties directly to microbial load on surfaces and water. Industry compliance standards
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5. Industrial Wastewater Oxidation and Odor ControlChemical plants, refineries, and wastewater treatment facilities dose sodium chlorite to generate chlorine dioxide for oxidation of difficult-to-treat contaminants. This process reduces phenols, cyanides, hydrogen sulfide, and other odor/contributing species in effluents. Operators scale dosage based on influent loading and target removal efficiency. Compliance with local discharge limits and environmental protection authority mandates strict process measurement and QA on residual oxidant and resulting by-products. Industry compliance standards
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6. Pharmaceutical Intermediate Synthesis and API OxidationGMP-regulated pharmaceutical plants utilize sodium chlorite solutions as mild, selective oxidants in several synthetic pathways, especially for hydroxylation, epoxidation, and decolorization steps in intermediary and API stages. Chemists introduce the solution under tightly controlled stoichiometry for impurities removal or conversion to target groups, minimizing side reactions. Final drug substance grades are tested for chloride, chlorate, and process residuals per pharmacopoeial monographs, and batch documentation remains critical for audit trails. Industry compliance standards
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Working in the chemical industry as a direct manufacturer provides an up-close look at what really matters when it comes to sodium chlorite solutions. We have always committed ourselves to producing a product that delivers consistent results and meets the tough standards demanded by water treatment facilities, textile bleaching professionals, and food processing companies. Sodium chlorite solution, with an available chlorine content exceeding 5%, stands out from weaker formulations on the market for one simple reason: reliability in critical applications.
Over years of operation, we have seen various market offerings claim high concentration and stable quality, yet often fall short in batch consistency or purity. Maintaining an available chlorine level above 5% doesn't sound like a remarkable achievement until you've spent time controlling every variable in the process—from raw sodium chlorite quality right through to the finished product leaving the filling line. Small inconsistencies in pH control, raw material impurities, or even shipping and storage conditions can have a big impact on the composition and effectiveness of this product. By managing production in-house, we address these factors using real-world experience rather than relying on assumptions.
Sodium chlorite solutions play a central role in generating chlorine dioxide on-site. Water treatment plants trust sodium chlorite to react predictably during disinfection, a process influenced by the precise level of available chlorine in the solution. With lesser concentrations or inconsistent formulation, the result is not just a less active chemical—it’s lost time, wasted reagents, and in some cases, regulatory headaches. After years in manufacturing and dealing directly with plant operators, we know that every percentage point of available chlorine above the minimum threshold makes calculations more accurate and disinfection more dependable.
We keep available chlorine concentration tightly controlled above 5%. Some suppliers market weaker or fluctuating concentrations that require operators to adjust processes every time they switch batches or suppliers—costing valuable time and inviting mistakes. Our customers have asked us for specific, repeatable concentrations so they can streamline process calculations and avoid the constant recalibration that comes with less reliable products. We designed our solution to answer that demand.
The manufacturing model for our sodium chlorite solution grew out of continuous process improvement. Starting with premium-grade sodium chlorite raw materials, we blend and stabilize the solution using only purified water and food-grade stabilizers. Quality assurance includes not just chemical analysis, but also storage stability studies and on-site batch retention for traceability. No part of our process is outsourced. That way, from packaging integrity to pH adjustment and trace heavy metal testing, we keep our hands on every lever.
Our standard production tends to volumes between 200 liters and 1000 liters per batch, with availability for both bulk tank supply and smaller drum sizes. This flexibility didn’t happen by accident. Early on, some industries asked for lower-volume, tightly sealed packaging because of storage limitations or special application requirements. Others, particularly municipal clients, found value in direct tanker delivery for high-volume daily dosing. The difference lies not in what the product claims, but in how the packaging and transport are managed to protect product integrity. Even small exposure to air can reduce active chlorine content, so we use inert gas blanketing during large-scale filling, and heavy-duty, chemical-resistant drums for smaller packaging.
End users rely on sodium chlorite to accomplish a very specific task, often one tied tightly to regulatory output or product quality. No one wants to gamble with disinfection, food safety, or textile brightness. We refine our manufacturing process repeatedly, targeting not only the main component—sodium chlorite—but also tightly managing impurities such as sodium chloride, sodium chlorate, or metallic contaminants that can disrupt certain reactions. In our early days, a customer flagged inconsistent color development in bleaching applications. This triggered a root-cause analysis, leading us to fine-tune our water quality and implement double-stage filtration before final bottling. That experience shaped the way we monitor each step.
Regular monitoring remains integral. High-performance liquid chromatography and titration analytics allow full visibility into concentration and by-product formation. By keeping sodium chlorate below minimal thresholds and adjusting for trace iron, we ensure a cleaner reaction profile. These steps may sound academic, but the results show up every day: stronger bleaching, less downtime spent cleaning tanks, and far lower rates of process rejections in finished textiles and food-processing environments.
Operators in municipal and industrial water plants call sodium chlorite solution the backbone of their chlorine dioxide generation systems. A stable, greater-than-5% solution lets them maximize disinfection efficacy for drinking water, cooling towers, and wastewater effluent—topics that directly influence public health and environmental compliance. In practice, every faulty batch can result in hundreds of thousands of liters of improperly disinfected water, triggering alarms and massive manual intervention.
Our direct relationships with water plant superintendents, as well as on-site troubleshooting, taught us the variables that matter most: pump calibration (too dilute, and dosing spikes), risk of precipitation, degradation on standing, reactivity to ingredient impurities, and the chain reaction this causes through the entire process train. Larger available chlorine contents in our solution minimize the problems seen with underperforming batches, where operators struggle to meet target chlorine dioxide levels, even as pumps work overtime. Addressing real-world headaches is what shapes our work—not just lab numbers.
Textile manufacturers seeking to enhance fabric brightness without subjecting fibers to excessive chlorine find sodium chlorite solution an answer to their problems. We work directly with plant managers to customize feed routines, and based on direct feedback have aligned production scheduling to supply fresher batches with reduced transit times. Shorter delivery intervals mean less time on the road, so available chlorine content remains above specification on arrival. Some mills have even reduced wastewater chlorine load, since our solution’s higher purity lowers carry-over by-products. Many competitors bundle this up as a marketing story, but we simply focus on delivering every time—not making promises.
Food processors and packaging plants use sodium chlorite as an antimicrobial treatment. Our understanding is shaped by walking through lines, not just ticking off compliance tables. These companies face audits that leave no room for error if a misformulated batch leads to a recall or out-of-spec results. Our solution enables repeatable dosing for produce washes and sanitation cycles, because every order is filled against a certificate of analysis reflecting the real content at the time of dispatch.
Experience shows that the sodium chlorite market contains many options—powder, tablet, low-percentage, buffered slurry, or stabilized liquid. Our solution’s selling point is its honest available chlorine content and proven stability during shipping and storage. We’ve benchmarked competitor samples and often found variance between stated and delivered concentrations.
Traditional powders require on-site dissolution, introducing risk of operator error, incomplete mixing, or atmospheric contamination, especially in facilities with challenging climate or infrastructure. By offering a stabilized, ready-to-use liquid solution, we take on the mixing and quality risk ourselves. There are no surprises or hidden costs when an operator opens a drum, and users report more dependable performance with far less downtime.
Lower-percentage solutions may look tempting if the upfront cost per drum is a few dollars less, but once actual available chlorine is factored in, users often pay more for inconsistent bleaching, wasted additive, or off-spec water disinfection. Overdosing to compensate for low concentration leads to process instability and environmental non-compliance—a lesson borne out over decades for those of us embedded in production and plant management. Higher concentration cuts total chemical handled, so operators move less liquid and generate less chemical waste packaging downstream.
We have found that end-users expect transparency above all. That’s why our certificates state the available chlorine, not just the nominal sodium chlorite content, and include pH, density, and impurity values from real batch data. Some suppliers mislabel content, leading to confusion during on-site compliance checks. Our deliveries always match the paperwork. If there’s ever a deviation—which is rare, given our closed-loop feedback processes—we bring it into the open and take direct, corrective action.
Making a high-content sodium chlorite solution is simple on paper. In practice, materials sourcing, contamination control, and environmental compliance quickly turn it into a science of continual improvement. We worked through equipment upgrades, water purification systems, and process automation to control every factor influencing the end product. Early in our operation, a single tank with minor pH fluctuation resulted in a full batch falling short of chlorine target. After that, we installed redundant inline sensors, so nothing leaves our site without two independent checks.
Controlling by-product formation is another daily focus. Even minute increases in sodium chlorate content can ruin a finished product batch for food processors. We fine-tuned temperature, mixing rates, and stabilization additives to keep side reactions in check. By working as both developer and end-user, we understand how stray chemicals impact real processes on site.
While many see packaging as a minor detail, long-term storage and transport tell a different story. Metal leaching, container incompatibility, exposure to light or air can all degrade the solution, even after leaving our hands. Our decision to exclusively use high-grade, inert drums with UV-resistant linings came after repeated studies tracking batch stability across seasons and transportation distances. Heavy-duty closures keep the contents sealed and product active, even in less-than-ideal warehouse environments.
Strict regulations cover every step, from hazardous materials storage rules to handling and effluent limits. Both local authorities and industry clients demand full transparency on trace impurities, batch origin, and compliance with disposal standards. We maintain active records for each shipment lot, reflecting not only raw test numbers but also real performance reports from customers in the field. Our direct-to-client delivery system cuts out intermediaries who may mishandle storage or resell near-expiry stock.
For every major client, we facilitate on-site audits, sample draws, and batch verification. Any deviation from expected standards spurs an investigation, typically resulting in process refinement or supplier review. Our responsibility doesn’t end at the loading bay. Waste minimization strategies include optimized dilution rates and reusable packaging trials aimed at large-volume clients.
We find true improvement rarely grows from theory alone. Regular cooperation with application technicians and client operators gives us real-world feedback on how product variants perform when delivered and used on-site. Several years ago, a major textile processor pointed out interaction between trace metals and brightening agents at their facility. The fix, involving a tweak in our raw water treatment stage, led to higher customer satisfaction across the segment. These collaborative corrections set the standard for our ongoing product development.
Adaptation is part of our story. Shifting regulations around disinfection by-products, increased focus on heavy metal contamination, and demand for lower environmental footprint push us toward cleaner, leaner production techniques. As new compliance standards emerge—especially around food and beverage applications—we review and improve our products, not just to meet today’s requirements, but to anticipate tomorrow’s.
Feedback from process engineers informs how we approach the entire lifecycle of sodium chlorite, from formulation stability to compatibility with site-specific pumps and metering equipment. This hands-on approach to customer collaboration means each innovation comes from challenges faced in the real world—not theoretical wish lists or marketing claims.
A decade spent refining sodium chlorite solution has proven that consistency is more valuable than innovation for its own sake. Our focus stays on prioritizing available chlorine content above 5%, optimizing purity, and maintaining robust service around reliable production and delivery. We share direct responsibility for every batch that affects public health, food safety, or manufacturing reliability. By putting resources into monitoring, product improvement, and transparent partnership with clients, we hope to set higher standards for the entire chemical supply chain.
Changes in end-user industries will keep presenting new challenges. We adapt by staying engaged in plant trials, continuing audit programs, and benchmarking competitor products to ensure we deliver something real and valuable—not just another commodity chemical. Through lessons learned and customer feedback, our sodium chlorite solution remains engineered for reliability, not simply compliance—a difference felt by those who work with it every day.