Products

Sodium Hypochlorite

    • Product Name: Sodium Hypochlorite
    • Alias: NaOCl
    • Einecs: 231-668-3
    • Mininmum Order: 1 g
    • Factroy Site: Wusu, Tacheng Prefecture, Xinjiang, China
    • Price Inquiry: sales7@bouling-chem.com
    • Manufacturer: Bouling Chemical Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    129945

    Chemical Name Sodium Hypochlorite
    Chemical Formula NaOCl
    Molecular Weight 74.44 g/mol
    Appearance Pale greenish-yellow liquid
    Odor Chlorine-like
    Melting Point -6 °C (decomposes)
    Boiling Point Decomposes before boiling
    Solubility In Water Highly soluble
    Ph 11-13 (for typical solutions)
    Density 1.11 g/cm³ (5% solution)
    Cas Number 7681-52-9
    Stability Unstable in sunlight
    Flammability Non-flammable
    Uses Disinfectant, bleaching agent
    Storage Conditions Cool, well-ventilated area

    As an accredited Sodium Hypochlorite factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Sodium Hypochlorite is packaged in a sturdy, blue HDPE drum, labeled with hazard warnings and contains 25 liters of solution.
    Shipping Sodium Hypochlorite should be shipped in tightly sealed, corrosion-resistant containers, clearly labeled as a hazardous material. It must be kept upright to prevent leaks and stored away from acids, flammable substances, and direct sunlight. Transport should comply with applicable regulations, utilizing vehicles equipped for handling corrosive liquids.
    Storage Sodium hypochlorite should be stored in a cool, well-ventilated area, away from direct sunlight and heat sources. Keep it in tightly closed, corrosion-resistant containers, separate from acids, organic substances, and ammonia. Ensure proper labeling and secondary containment to prevent leaks or spills. Storage areas should have appropriate spill control and emergency washing facilities. Avoid contact with metals and incompatible materials.
    Application of Sodium Hypochlorite

    Applications of Sodium Hypochlorite in Industrial Manufacturing

    As a direct manufacturer, we supply sodium hypochlorite to a range of industries, supporting downstream producers in regulated, process-driven applications. Below we detail its main industrial uses, including real-world compliance, formulation practices, and product integration workflows. All information reflects actual commercial manufacturing environments.

    1. Municipal Water Treatment and Disinfection

    City water treatment plants utilize sodium hypochlorite as a primary disinfectant to control microbial contamination in drinking water and wastewater streams. Operators inject this raw material at the water intake or at final stages based on required residual chlorine levels. Usage aligns with municipal and environmental standards on disinfection by-products and water safety, demanding careful monitoring and precise dosing controls with automated equipment. Continuous dosing ensures consistent water quality before delivery to public distribution networks.

    Industry compliance standards

    • World Health Organization (WHO) Guidelines for Drinking-water Quality
    • United States EPA 40 CFR Parts 141 and 142 (National Primary Drinking Water Regulations)
    • EN 901:2013 Chemicals used for treatment of water intended for human consumption – Sodium hypochlorite
    • ISO 14001 Environmental Management System (for water plants)

    Typical usage ratio

    • Injected to achieve free chlorine residuals of 0.5–2.0 mg/L in potable water
    • Dosage may be 1–15 mL/L for wastewater, adjusted by water quality, pH, and contamination load

    Downstream process integration

    • Dosed into rapid mix tanks post-coagulation or prior to filtered water storage
    • Integrated with online chlorine analyzers and SCADA-controlled dosing pumps
    • Routine sampling and titration verify effective chlorine levels prior to distribution

    Final product types

    • Municipal drinking water distributed to residential and business consumers
    • Treated effluent discharged or reused from wastewater plants
    • Emergency potable water in storage tanks

    2. Industrial Cleaning and CIP Operations

    Food, beverage, and dairy processors depend on sodium hypochlorite for clean-in-place (CIP) systems and plant sanitation. It targets microbial biofilms and organic residues inside tanks, conveyors, bottling lines, and piping. CIP processes involve controlled recirculation through production lines, followed by validated rinsing. Dosing aligns with food safety standards, and operators monitor residual levels to meet regulatory thresholds before production restart. The selection of compatible grades and handling tools prevents corrosion and cross-contamination.

    Industry compliance standards

    • FDA 21 CFR Part 173 – Secondary Direct Food Additives Permitted in Food for Human Consumption
    • EU Regulation (EC) No 852/2004 on the hygiene of foodstuffs
    • NSF/ANSI 60 Drinking Water Treatment Chemicals – Health Effects (for indirect additive use)
    • Codex Alimentarius General Principles of Food Hygiene (CXC 1-1969)

    Typical usage ratio

    • 0.02–0.08% (200–800 ppm) in CIP circulation for dairy and beverage lines
    • Spray and soak applications between 100–1000 ppm active chlorine, based on residue type and process

    Downstream process integration

    • Pumped via metering systems into closed-loop CIP skids for tanks, pipes, and fillers
    • Monitored using oxidation-reduction potential (ORP) meters and titration kits
    • Final rinse cycles ensure no chlorine carryover before product contact

    Final product types

    • Pasteurized milk and fresh dairy beverages
    • Soft drinks and mineral water bottles
    • Packaged ready-to-eat food and juice products

    3. Pulp and Paper Manufacturing

    The pulp and paper sector uses sodium hypochlorite in bleaching sequences for paper and tissue production, especially for recycled pulps. Mills add this material after initial pulping to brighten fibers and remove chromophores, balancing yield and chemical demand. Operations must control pH and temperature during application to minimize chlorinated organics formation. Adjustments depend on pulp source, final whiteness specification, and environmental discharge requirements. Inline sensors and real-time process controls manage the introduction and neutralization cycles.

    Industry compliance standards

    • ISO 14001 Environmental Management (integrated pulp and paper mills)
    • CEPI guidelines for bleaching chemical management
    • European Industrial Emissions Directive (IED 2010/75/EU)
    • EPA Best Available Techniques (BAT) for large combustion plants

    Typical usage ratio

    • 5–15 kg of available chlorine per air-dried ton (ADT) of pulp
    • Actual charge depends on incoming lignin content and target brightness

    Downstream process integration

    • Added to pulp washing towers or dedicated bleach reactors
    • Integrated with sodium hydroxide or hydrogen peroxide in multi-stage ECF bleaching lines
    • Effluent streams treated for AOX (adsorbable organic halides) removal

    Final product types

    • Printing and writing papers
    • Tissue and toweling products
    • Corrugated packaging and board grades

    4. Textile Industry – Cotton and Cellulose Bleaching

    Textile finishers utilize sodium hypochlorite for bleaching cotton and regenerated cellulose fibers before dyeing or final finishing. It removes natural pigments and prepares fabrics for uniform color uptake, involving precision-controlled batch or continuous flow systems. Processing teams monitor temperature, solution pH, and exposure time to achieve required whiteness while preventing cellulose degradation or gas emissions. Full compliance with EU REACH, ZDHC standards, and wastewater regulation is necessary due to worker safety and effluent restrictions in export-oriented plants.

    Industry compliance standards

    • Textile Exchange – OEKO-TEX® Standard 100 (Chemical Restrictions)
    • EU REACH Annex XVII – Restrictions on manufacturing, placing on the market, and use of certain dangerous substances
    • ZDHC MRSL v3.1 – Manufacturing Restricted Substances List
    • ISO 9001:2015 (process control and documentation)

    Typical usage ratio

    • 1–3 g/L active chlorine for continuous or batch bleaching processes
    • Specific dosage depends on incoming fabric color and desizing requirements

    Downstream process integration

    • Injected to pad-batch bleaching lines or jet dyeing machines before water rinse and neutralization
    • pH regulated by simultaneous sodium hydroxide dosing and temperature monitoring
    • Effluent neutralization prior to discharge to comply with chemical oxygen demand (COD) limits

    Final product types

    • White cotton bed linens and towels
    • Bleached textile yarns for garment weaving/knitting
    • Medical cotton and gauzes

    5. Chemical Synthesis – Organic and Pharmaceutical Production

    Reactors in fine chemical and pharmaceutical plants dose sodium hypochlorite as an oxidizing agent for synthesis of intermediates such as chloramines, hydantoins, and sulfonamides. Chemists select grades to minimize trace metals, and rely on controlled feed rates, pressure, and temperature to prevent by-product formation. Regulatory standards dictate impurity thresholds and validation requirements for synthesis used in APIs (active pharmaceutical ingredients). Hazard analysis and GMP cleanroom protocols apply to all product-contact areas.

    Industry compliance standards

    • ICH Q7 – Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • 21 CFR Parts 210 & 211 – FDA cGMP for finished pharmaceuticals
    • European Pharmacopoeia monographs (Ph. Eur.)
    • ISO 14644-1 Cleanroom classification and process validation

    Typical usage ratio

    • Stoichiometric addition calculated based on desired halo-derivative concentration
    • Typical process range: 1.1–3.0 molar equivalents, adjusted for reaction yield and impurity control

    Downstream process integration

    • Fed into jacketed glass-lined or stainless steel batch reactors
    • Controlled addition with continuous monitoring for exothermic reactions
    • Post-reaction quenching and washing to remove excess reagents and by-products

    Final product types

    • Bulk pharmaceutical intermediates (e.g., chloramine-T, betadiene precursors)
    • Agrochemical intermediates and pesticides
    • Pharmaceutical APIs for human and veterinary medicines

    6. Swimming Pool and Recreational Water Treatment

    Operators of public and private pools rely on sodium hypochlorite for ongoing chlorination, algae control, and bather safety. Facility teams manage continuous dosing through automated controllers, balancing pH and free chlorine to recommended ranges and compensating for load fluctuations. Strict adherence to regional health and safety codes, as well as reliable supply of stabilized grades, remains essential for safe recreational water environments.

    Industry compliance standards

    • ANSI/APSP-11 American National Standard for Water Quality in Public Pools and Spas
    • WHO Guidelines for Safe Recreational Water Environments
    • EN 15288-2:2018 Swimming pools – Safety requirements for operation
    • Local department of health regulations (regional requirements)

    Typical usage ratio

    • Maintain 1–3 mg/L free chlorine in pool water under normal bather load
    • Shock chlorination doses at 10–20 mg/L for superchlorination events

    Downstream process integration

    • Injected into recirculating water loops via automated dosing pumps and ORP monitors
    • Monitored daily by onsite personnel and checked against digital test strips
    • Adjusted in response to weather, bather volume, and pool water chemistry changes

    Final product types

    • Treated public swimming pools and splash pads
    • Private residential pool water
    • Spa and aquatic rehabilitation facilities
    Free Quote

    Competitive Sodium Hypochlorite prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please contact us at +8615371019725 or mail to sales7@bouling-chem.com.

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    Tel: +8615371019725

    Email: sales7@bouling-chem.com

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    Certification & Compliance
    More Introduction

    Sodium Hypochlorite: A Trusted Solution from Direct Production

    Direct from the Source: Sodium Hypochlorite in Modern Industry

    We've been producing Sodium Hypochlorite for years, shaping everything from industrial cleaning processes to water treatment standards across the region. Ask anyone managing a waterworks plant or a municipal pool, and they'll tell you this chemical quietly keeps facilities running and public health protected. Whether you’re sanitizing, removing stains, or treating environmental effluent, Sodium Hypochlorite works at the heart of daily operations. Decades in our plants have shown that what seems like a simple yellow-green liquid holds steady as regulations and customer expectations evolve.

    Consistency in Every Batch: Our Standard

    Stability matters in chemical production. Each batch coming off our lines matches tight controls for concentration, clarity, and purity. We run regular checks to ensure the sodium hypochlorite concentration holds at the 10% to 15% solution standard preferred in most industrial and sanitation settings. This range delivers enough oxidizing power to tackle tough contamination while avoiding the hazards that come with higher-strength, unstable solutions. Clear, stabilized, and reliably formulated, our Sodium Hypochlorite avoids the common pitfalls that plague lesser makes—such as unexpected degradation or mineral residue.

    What Sets Sodium Hypochlorite Apart

    Some newcomers look at a chemical catalog, see options like calcium hypochlorite and chlorine gas, and wonder if all disinfectants are created equal. In practice, ready-liquid Sodium Hypochlorite brings unique strengths. Calcium hypochlorite often prompts concerns about undissolved solids and dust, leading to handling headaches and equipment clogs. Chlorine gas may be effective, but it brings complex storage demands and clear safety risks at every handling stage.

    We keep Sodium Hypochlorite in robust, sealed drums or bulk tanks, streamlining storage and feed. Maintenance teams and plant operators appreciate skipping the challenging handling not just for safety, but for the time it saves day after day. There's no need for special pressurized systems or complex dosing calculations common to gas systems. Our operators and field teams agree: easier startup, predictable dosing, and less specialized training make a real difference on the job.

    Diverse Manufacturing Applications

    Customers in water treatment rely on Sodium Hypochlorite to keep drinking water safe, breaking down bacteria and neutralizing harmful contaminants. It works indoors and out, from treating city tap supply to pool sanitation at recreation centers. Sometimes the annual cycle at a bottling plant can’t run without tanks filled and ready for cleaning every week. Food processors control pathogens with it; textile dye-houses remove excess color; paper mills trust it with delicate pulping steps. Each industry draws on the same base: reliable oxidization, fast action, and traceable safety data that come from a consistent production process.

    With more facilities now shifting their old systems over to fully automated dosing, they've found that the flow characteristics of our Sodium Hypochlorite fit better than powdered or granular options. Liquid dispensing units, already well understood across a broad array of industries, pair easily with the solution’s predictable viscosity. We see this adoption up close, and feedback often points to less downtime, together with fewer maintenance calls or operator mishaps along the way.

    What Our Manufacturing Experience Reveals

    Reliability doesn’t just start at the tap; it begins with raw materials and precise reaction conditions. We’ve invested extensively in closed reactor systems—years ago, before it became a regulatory expectation. Airborne chlorine release gets contained, and we keep staff and communities safe. Routine monitoring, along with careful adjustments according to seasonal weather and changes in source material quality, helps us guarantee every shipment aligns with the volume and strength buyers expect.

    Sometimes, problems surface not from the production floor but later in the supply chain. Exposing Sodium Hypochlorite to direct sunlight or leaving it for extended periods in warm storage erodes solution strength significantly. Storage and shelf-life education remain a big part of our ongoing technical support for buyers. Over the years we’ve learned that working directly with end users—helping them improve their storage environments—means less product loss and higher safety compliance all around. Even minor shifts, such as fitting light-blocking tank covers or adjusting reorder policies, have made measurable impacts on waste reduction.

    Real-World Safety, Everyday Use

    Direct plant experience reinforces why clear labeling and robust packaging matter, even for seasoned operators. We design containers to handle daily transport and on-site movement, keeping staff from accidental splashes or fume exposure. Training staff on handling Sodium Hypochlorite, using proper personal protective equipment, has become second nature in most facilities. Still, reminders surface often—especially if a less obvious risk appears, such as incompatibility with acids or certain metals. Our site safety teams don’t take shortcuts in instruction, and customers value having updated materials and direct lines for technical questions.

    Safety means more than response plans. Our in-house teams ask: How can we prevent spill scenarios, instead of fixing them after the fact? We always return to strong labeling, reliable packaging, and transparent safety sheets paired with customer check-ins. Adoption of closed-loop systems—piping Sodium Hypochlorite directly from containers into delivery lines—continues to remove risk from manual handling, a lesson drawn straight from years on the shop floor.

    Improving Quality with Feedback Loops

    Attentive manufacturing doesn’t end when a product leaves the gate. Technical feedback, field reports, and even complaints get tracked and reviewed closely. Sometimes, a minor shift in water conditions at a customer’s site changes effectiveness, or new corrosion in piping prompts a discussion on compatible materials. We listen, and that input shapes our recipes. Over the years, adjusting concentrations or finetuning stabilizer levels has prevented product breakdown under harsh conditions.

    We don’t cut corners—process changes pass through testing phases before reaching scale. Research partners help us verify that every formulation matches emerging needs, especially as regulatory guidance on water disinfection and industrial cleaning changes. Customers trust us for the discipline in our updates and our careful communication about any shifts in supply.

    Why Sodium Hypochlorite Keeps its Place in Essential Operations

    Watch a public works crew at work or a commercial cleaning shift in action, and you’ll see the real test: minimal product handling, few interruptions, and controlled dosing yield stable, sanitary results. Our Sodium Hypochlorite supports thousands of these routines each day. In facility audits, the focus often lands on how seamlessly teams can switch between cleaning, disinfecting, and flushing cycles using the same solution. Our clients never have to wrestle with retooling or recalibrating machinery mid-shift—a practical advantage in busy production environments.

    Regulations continue pushing for higher disinfection standards and stricter control on by-product formation. We’ve always held transparency in reporting and batch analysis as non-negotiable parts of our manufacturing. Regulators ask for additional testing or proof of performance, and our team stands ready with clear data, batch records, and supporting analyses. That’s a trust that gets renewed every year, both by long-time municipal buyers and new clients managing fast-scaling industrial parks.

    The Environmental Expectation

    Reducing environmental footprint remains central to current manufacturing. Years ago, waste streams from the production process presented larger operational challenges. Through on-site treatment, water recycling, and closed-loop scrubbers, today’s runs not only meet but outpace the regulatory requirements. As sustainability pressure grows, our ongoing investment in energy-efficient processes, by-product reclamation, and safe neutralization means we can assure clients they’re partnering with a responsible source.

    Customers regularly ask about shelf life, breakdown products, and risk of chlorinated by-products in water discharge. Open communication and routine environmental monitoring have made relationships stronger, building real-world trust rather than resting on certificates alone. From the earliest stages, our manufacturing staff participates in these conversations; their day-to-day familiarity with process controls turns into practical recommendations that buyers can implement at their own facilities.

    Understanding What’s Inside

    Our Sodium Hypochlorite comes as a clear, slightly yellow solution with a faintly pungent odor recognizable in most plant rooms. We keep the available chlorine content high enough to deliver quick and predictable results, but not so strong as to cause rapid decomposition or excess off-gassing. By focusing on this narrow range, we avoid some of the instabilities that used to cause headaches for buyers: clumping, loss of strength, or accidental by-product formation.

    Each shipment passes quality checkpoints for pH, free alkali, and clarity. In a practical sense, these aren’t just checkboxes—they directly link to end-use performance. One missed specification means a dosing pump could fail or a storage tank could build scale. Our staff keeps tight records on every batch, and shared learnings from years on the production line get built back into standard operating procedures.

    Simple Storage, Better Results

    Storage and transport shape more than logistics—they impact what the end user receives. Sodium Hypochlorite’s nature requires cool, shaded spaces, lined containers, and airtight vessels. We see customers who skip these steps facing rapid degradation, leaving them scrambling for extra product mid-cycle. Our team helps guide site upgrades and sets reminders about avoiding metal fittings or incompatible plastics—knowledge that often only comes from long engagement in the industry.

    Iron contamination, sunlight, and excessive heat remain common culprits behind premature breakdown. By working closely with handlers and maintenance crews, we help extend usable life and cut unnecessary reorders. It’s a practical give-and-take: as we stay attuned to how real-world conditions change, so too does our advice, allowing for simple but crucial storage adjustments that mean fewer headaches downstream.

    Clear Differences from Other Choices

    Sodium Hypochlorite stands out from older alternatives in more ways than just chemistry. Take calcium hypochlorite—powder or tablet forms clog feeders and leave behind insoluble calcium residue, particularly in older dosing equipment. The dust can easily end up outside controlled zones, complicating on-site hygiene and ventilation requirements. With granular alternatives, operators often fight uneven mixing, risking spotty disinfection or wasted product.

    Chlorine gas once drew buyers with its low raw material cost, but handling complexity and risk outweigh supposed gains. We’ve watched more facilities retire gas systems as new safety rules and litigation threats drive up insurance and maintenance costs. The ease of switching to a stabilized Sodium Hypochlorite solution means local teams need less retraining, and the upgrade fits cleanly into existing infrastructure.

    Adapting to Growing Industry Needs

    Manufacturing does more than keep shelves stocked—it advances with demands from large-scale water plants, food processors, and municipal service providers. We’ve expanded capacity and invested in better reactor control over the years, informed by regular customer feedback and trends in end-user automation. Responding quickly to shifts in usage patterns, scaling up secondary containment, and ramping up emergency supply capabilities illustrate the commitment our production team brings each day.

    Challenges never disappear entirely. Periodic supply chain hiccups—like sourcing sodium hydroxide with consistent purity—set our team into motion auditing, qualifying alternatives, and testing new raw material sources well ahead of customer impact. This attention to continuity comes from experience, and our long-serving team members bring their decades of commitment to every run, batch, and shipment.

    A Foundation in User Safety

    Operator protection remains as critical today as ever. Through years in manufacturing, we've seen complacency lead to incidents when protocols slip. That's why we reinforce PPE guidelines, routine equipment inspection, and clear signage with every batch shipped out. Direct connections to our field service techs help keep customer staff up to date, and regular refresher visits and workshops ensure no question ever goes unasked. Equipped with practical, relevant know-how, users keep incidents at bay and operations on schedule.

    We’ve also played a role in creating response kits and updated procedure protocols, tailored to situation reports from real facilities. Our own field teams have lent direct support following unexpected spills or exposure events, guiding site personnel through mitigation steps with honest, evidence-backed advice that draws on thousands of similar runs in our own plants.

    Future Outlook: Continuous Improvement for Meaningful Results

    Markets change, standards move, and demands become tougher with each passing year. Our role as producers stays tied to those on the front line—facility managers, safety coordinators, environmental officers, and municipal operators who depend on consistent product quality and fast, accurate information. By focusing on feedback, investing in staff, and refining our methods, we remain ahead of regulatory shifts and new customer demands.

    From the first tank shipment to ongoing technical support in the field, our commitment sits in more than a business transaction: it lives in quality, consistency, and a practical approach to risk management. Sodium Hypochlorite, properly produced and handled, will continue to be a reliable backbone for disinfection and cleaning applications across countless industries. From our factory floors to your finished product, the connection remains constant—real-world safety, lasting partnerships, and a spirit of accountability at every step.

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