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Chlorine Dioxide

    • Product Name Chlorine Dioxide
    • Alias chlorinedioxide
    • Einecs 215-275-6
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    355186

    chemical_formula ClO2
    molar_mass 67.45 g/mol
    appearance Yellow-green gas
    odor Pungent, chlorine-like
    solubility_in_water Soluble
    melting_point -59°C
    boiling_point 11°C
    density 2.4 g/L (at 0°C, gas)
    oxidizing_agent Strong
    stability Unstable and decomposes in sunlight
    explosiveness Explosive at high concentrations
    CAS_number 10049-04-4

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

    Packing & Storage
    Packing The chlorine dioxide is packaged in a sealed 1-liter amber glass bottle, clearly labeled with hazard warnings and handling instructions.
    Shipping Chlorine Dioxide is shipped as a compressed gas or an aqueous solution in specialized, corrosion-resistant cylinders or containers. It is classified as a hazardous material and must be handled and transported according to strict regulations, ensuring temperature control, proper labeling, and secure containment to prevent leaks, decomposition, or exposure risks during transit.
    Storage Chlorine dioxide should be stored in tightly sealed, corrosion-resistant containers away from sunlight, heat, and sources of ignition. The storage area must be cool, dry, and well-ventilated, with proper labeling and restricted access. Chlorine dioxide is highly reactive and unstable; it should not be stored near combustible or organic materials to prevent hazardous reactions and potential explosions.
    Application of Chlorine Dioxide

    Applications of Chlorine Dioxide in Industrial Manufacturing

    Our facility produces high-purity chlorine dioxide for industrial processes, focusing on reliable, global-grade supply for stringent downstream applications. The following scenarios detail sector-specific usage, compliance, dosage methodology, production steps, and real-world finished goods integration.

    1. Potable Water Disinfection for Municipal Treatment Plants

    Chlorine dioxide delivers consistent microbial inactivation for large-scale municipal water treatment, targeting pathogens such as Giardia and Cryptosporidium where traditional chlorination shows limited efficacy. Utilities account for variations in organic load, water temperature, and contact time to manage taste, odor, and by-product regulations. Full-scale dosing involves automated generation systems delivering precise parts-per-million concentrations via in-line injection before distribution.

    Industry compliance standards

    • U.S. EPA Safe Drinking Water Act (SDWA) Section 1412, National Primary Drinking Water Regulations (NPDWR)
    • EN 12671:2009 (European Chemical Disinfectants and Antiseptics Standard)
    • WHO Guidelines for Drinking-water Quality
    • ANSI/AWWA Standard B302 for Generating Equipment

    Typical usage ratio

    • 0.2 – 2.0 mg/L, adjusted according to organic loading, contact time, and regulatory limits for chlorite and chlorate by-products

    Downstream process integration

    • Dosed continuously after coagulation/filtration with direct online monitoring; typically, metered pumps inject into final clear water before reservoir entry

    Final product types

    • Treated potable water distributed to residential, commercial, and food processing end-users

    2. Pulp and Paper Bleaching Operations

    High-purity chlorine dioxide functions as a key oxidizing agent in elemental chlorine-free bleaching sequences for kraft pulp production. It minimizes formation of organochlorine compounds in comparison to molecular chlorine. Mills configure bleach plant sequences (typically D0-EOP-D1, etc.) with stringent monitoring of residuals and chemical carryover. Product flow integrates via continuous or batch-generating units, often on-site, ensuring chemical inventory and environmental discharge control.

    Industry compliance standards

    • ISO 9001:2015 Quality Management Systems
    • EC BAT Reference Document for the Production of Pulp, Paper and Board (BREF)
    • U.S. EPA Cluster Rule (40 CFR Part 430, Pulp and Paper Effluent Guidelines)
    • Nordic Swan Ecolabelling Requirements

    Typical usage ratio

    • 5 – 30 kg chlorine dioxide per ton of air-dried pulp, with exact dosing based on kappa number of washed pulp and brightness targets

    Downstream process integration

    • Injected at bleach tower in first (D0) and subsequent (D1, D2) stages; precise dosage managed through automated chemical feed and residual analyzers

    Final product types

    • Elemental chlorine-free bleached kraft pulp, high-brightness specialty papers, hygiene and food-grade packaging materials

    3. Food and Beverage Processing Plant Sanitization

    Food processors utilize chlorine dioxide for surface, CIP system, and rinse water disinfection to eliminate pathogens while minimizing taste or odor residues. Facilities comply with restricted-use limits and monitor residual oxidants. Application ranges from raw produce washing, beverage bottling line sanitation, to equipment and tank cleaning. Integration requires closed-system generators or stable on-site solutions to maintain low, safe active thresholds aligned to food-contact regulations.

    Industry compliance standards

    • U.S. FDA 21 CFR 173.300 (Secondary direct food additives permitted in food for human consumption)
    • EU Regulation (EC) No 852/2004 on Food Hygiene
    • Codex Alimentarius CAC/RCP 53-2003 (Recommended International Code of Practice General Principles of Food Hygiene)
    • GFSI-Benchmarked Schemes (e.g., BRC, FSSC 22000)

    Typical usage ratio

    • 0.5 – 3.0 mg/L for produce washing and rinse water; up to 5 mg/L for CIP systems, strictly monitored so final food product residue remains non-detectable

    Downstream process integration

    • Blended into final rinse or wash water tanks at the point of use; dosed into spray, soak, or conveyor spray bars over produce, or circulated through pipework and tanks in automated CIP units

    Final product types

    • Washed and packaged fresh produce, ready-to-drink beverages, dairy products, prepared foods free of microbial contamination

    4. Industrial Cooling Water Systems Biofilm Control

    Chemical plants and power generation sites dose chlorine dioxide into recirculating cooling towers to target Legionella risk, suppress biofilm formation, and reduce microbiological-induced corrosion on heat exchangers. Automated on-site generators adjust real-time dosing based on bioburden, water pH, and temperature. Facilities integrate the dosing point after the main make-up water feed, while minimizing impact on ancillary water treatment chemicals such as antiscalants and corrosion inhibitors.

    Industry compliance standards

    • ASME STP-PT-009 (Guide for Control of Microbiologically Induced Corrosion in Cooling Water Systems)
    • EHEDG Guideline Doc 17 (Hygienic Design)
    • OSHA Technical Manual Section III: Chapter 7 - Legionnaires’ Disease
    • HSE Approved Code of Practice L8 for Control of Legionella (UK Only)

    Typical usage ratio

    • 0.5 – 1.5 mg/L, with shock dosing up to 5 mg/L during system cleaning or outbreak response; levels are maintained below local discharge permit thresholds

    Downstream process integration

    • Dosed continuously or intermittently into recirculating water basin employing automated ORP and residual analyzers for holding steady-state levels

    Final product types

    • Protected cooling water for industrial, power plant, and HVAC thermal systems ensuring reduced microbial corrosion and scale buildup

    5. Pharmaceutical API and Medical Device Manufacturing Water Systems

    Pharmaceutical and medical device plants employ chlorine dioxide for microbial control in purified water (PW) and water-for-injection (WFI) production loops. Systems require rigorous validation and documentation under cGMP to ensure complete oxidant removal before use in drug or device manufacture. Dosing typically targets pretreatment or routine sanitization of distribution rings and storage tanks, followed by neutralization or mechanical removal of residual oxidants before final water use in formulation or cleaning.

    Industry compliance standards

    • USP 43–NF 38: Water for Pharmaceutical Purposes
    • European Pharmacopoeia Monograph 0008 (Water for Injections)
    • ICH Q7 (Good Manufacturing Practice for Active Pharmaceutical Ingredients)
    • US FDA 21 CFR Parts 210, 211 (Current Good Manufacturing Practice)

    Typical usage ratio

    • 0.2 – 1.0 mg/L, tailored according to system volume, piping complexity, and targeted sanitization cycles; residue must reach non-detectable levels before critical water use

    Downstream process integration

    • Dosed into pre-sanitization water tanks, loop recirculation lines or CIP circuits followed by dechlorination using activated carbon or chemical neutralizing agents (e.g., sodium thiosulfate)

    Final product types

    • API solutions, sterile injectables, contact lens solutions, medical device components assembled or rinsed with sanitization-validated water

    6. Oil and Gas Extraction Produced Water Treatment

    Oilfields apply chlorine dioxide for downhole and surface treatment of produced water, frac flowback, and drilling waste. The chemical rapidly oxidizes sulfides, controls algae and anaerobic bacteria, and prevents souring of reservoirs and pipeline systems. Operators deploy mobile or fixed generators to meet volatile water volumes and varying contaminant loads. Treatment records support regulatory compliance and enable safe water reuse or environmentally approved discharge.

    Industry compliance standards

    • API RP 38 (Recommended Practice for Biological Control in Oil and Gas Production)
    • U.S. EPA Effluent Guidelines for Oil and Gas Extraction (40 CFR Part 435)
    • OGUK Guidance on Produced Water Management
    • ISO 14001:2015 Environmental Management Systems

    Typical usage ratio

    • 10 – 100 mg/L, depending on produced water sulfur content, bacterial load, and required oxidation-reduction; on-site field analysis guides daily dosing adjustments

    Downstream process integration

    • Introduced at produced water surge tanks, prior to filtration or chemical precipitation; staged injection possible for high-sulfide flowback fluids

    Final product types

    • Treated produced water reused for enhanced recovery, environmentally compliant disposal waters, sour gas transmission lines
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    Certification & Compliance
    More Introduction

    Getting to Know Chlorine Dioxide: The Choice for Clean, Safe Water and Surfaces

    Understanding Chlorine Dioxide from the Manufacturer’s Perspective

    Every day, our team works hands-on on the production floor, ensuring each batch of chlorine dioxide meets clear, strict standards. Generations of chemists in our area have relied on this compound thanks to its proven power in water disinfection, food processing, and odor control. Unlike traders or third-party sellers who ship products with little understanding of what’s inside the drum, we’ve spent decades learning exactly how small process changes can impact stability, purity, or performance. Real knowledge grows in the places where people handle the raw materials directly, running real tests and troubleshooting challenges as they appear.

    In our facility, chlorine dioxide is produced under tightly monitored conditions. We blend quality assurance with transparent sourcing, using raw materials that meet benchmarks set by leading industry groups. Before shipment, each production run undergoes a full panel of testing—chlorite residuals, volatility, measurable oxidizing potential, and more. This focus on repeatability makes all the difference for municipal water engineers and food plant managers. They need confidence that a 25-kilogram sealed drum today matches what they ordered last year.

    How Chlorine Dioxide Differs from Common Chlorine Bleach

    Every week, we field questions about the difference between chlorine dioxide and regular sodium hypochlorite. Chlorine dioxide works through a distinct mechanism. While traditional bleach forms hypochlorous acid, which attacks a broad set of contaminants but leaves behind more taste and residuals, chlorine dioxide goes after microorganisms with a precise strike. This approach oxidizes selectively, targeting viruses, bacteria, and some protozoa with little formation of harmful chlorinated byproducts such as trihalomethanes. In food and beverage plants, this property keeps flavors clean and avoids bitterness. Municipal water managers value it for consistent disinfection even at lower dosages and broad temperature ranges.

    Our technicians have worked in cases where bleach fell short—especially with water that has high organic content. In those situations, traditional chlorine solutions form significant amounts of byproducts. Chlorine dioxide consistently delivers lower formation of chlorinated organics under similar operating conditions. After the initial switch, plant operators notice less odor, less corrosion on their steel infrastructure, and fewer customer complaints about taste in drinking water.

    Our Chlorine Dioxide Products—Models and Forms

    We manufacture chlorine dioxide solutions in both liquid and tablet forms. Liquids usually range in concentration from 0.2% to 2% by weight, supplied in sealed HDPE drums. This matches the dosing pumps and control panels in most automated systems. For maintenance crews who need portability, stabilized tablet models simplify transport and eliminate the risk of leaks. Each batch receives its own lot number and certificate of analysis, confirming purity and specification.

    Teams who treat large municipal reservoirs often order our bulk liquid solutions to connect with their high-volume dosing rigs. A typical batch leaves our facility with active chlorine dioxide no less than 99.5% purity, measured by titration in line with the AWWA B303 standard. Laboratories in local public health agencies have verified that these materials provide predictable oxidation, even when storage is prolonged. Consistency in production—free from unexpected impurities—matters most for those overseeing safety for tens of thousands.

    In contrast, smaller facilities sometimes need less complexity. Our stabilized tablets can be dropped directly into storage tanks or applied in service lines. Their dissolving profile is carefully optimized by our process engineers to ensure a full release of active agent in under ten minutes. Field techs appreciate the limited exposure risks. There’s less chance of accidental spillage, and remaining tablets can be stored for months without significant loss of oxidizing activity. These portable formats offer great value to those running seasonal camps, food processing zones, or remote water stations.

    Applications: Trusted in Water Treatment, Food Sanitation, and More

    Municipal drinking water systems formed our earliest customer base. In this setting, process engineers look for predictable kill rates for pathogens like Cryptosporidium and Giardia. These protozoa can often resist typical chlorine, leading to major health scares. It’s clear from decades in the business that chlorine dioxide reduces incidents of these infections, owing to its rapid oxidative action. This mechanism interrupts the microorganism cell cycle before resistance or adaptation can occur. As a result, public health agencies in the US, Europe, and Asia have flagged it as an approved primary disinfectant.

    Food processors value chlorine dioxide for the same reason. Whether used during produce washing or equipment sanitizing, the compound provides robust antimicrobial power without leaving chemical residues that alter texture or flavor. Over the years, we’ve visited everything from regional apple packhouses to large poultry plants. Line workers regularly mention that conventional bleach left chicken skin sticky, or caused apples to brown in storage. After the transition to chlorine dioxide, consumer complaints dropped, and product shelf life increased.

    Industrial wastewater facilities also turn to chlorine dioxide solutions, especially for controlling persistent odors and oxidizing sulfides. Pulp and paper mills, often criticized for strong sulfurous emissions, use tailored dosages to break down malodors before effluent release. In these harsh processing environments, chlorine dioxide’s selective oxidation reduces the risk of asset corrosion and process upset.

    Benefits We Hear about from Direct Users

    End users often share feedback that shapes our ongoing manufacturing improvements. Drinking water supervisors often remark on the absence of “swimming pool” taste and the reduction of complaints about chlorine odor following a switch to our solution. Plant operators appreciate a lower demand for post-filtration carbon, since fewer organic byproducts need polishing. Industrial park managers pay attention to corrosion rates: many witnessed reductions in metal loss on valves and pumps after converting from standard bleach to chlorine dioxide dosing.

    Food safety officers have highlighted smoother batch production with our stabilized tablets. Those teams can sanitize equipment without extended downtime or need for additional rinsing. Over the long haul, line supervisors see lower staff turnover since the work environment has less harsh chemical smell and exposure is minimized. In critical care settings such as hospital dialysis units, infection control professionals note less downtime due to surface decontamination cycles. The absence of chlorine taste in hospital water and food service lines cuts back on patient complaints, creating tangible improvements in client experience.

    For years, we’ve tracked performance data from clients. Many report improved regulatory inspection outcomes and fewer exceedances of local byproduct limits. In particular, systems in the southern United States, where warm water and high organic content once taxed municipal plants, cut their total trihalomethane formation by a measurable margin. These kinds of statistics push us to maintain rigorous quality assurance every step along the way.

    The Importance of Responsible Manufacturing

    Every tank truck that leaves our site passes careful safety checks. Unlike some supply chains, we manage process parameters ourselves—from sourcing raw chemicals to final blending and packaging. Chlorine dioxide demands respect. Its volatility and strength can harm operators or the environment if handled carelessly. Years of hands-on experience have led our team to fine-tune containment, venting, and loading procedures. In our plant, monitoring systems stand ready for any deviation, and staff receive regular training from industry groups, not just in-house handbooks. Ongoing compliance keeps our product worthy of trust.

    As new regulations emerge around byproduct formation and environmental release, we adjust our methods rather than cut corners. For instance, after a recent set of updates to water disinfection guidelines in Europe, our lab spent several months trialing new stabilizer blends. Our model range expanded to include lower-chlorite residual formulations, which responded to both legal changes and client feedback. Making those changes in-house—on our equipment with our quality team—meant we could guarantee performance while staying transparent about the source and stability of every ingredient.

    Challenges in Transportation and Storage: The Real Logistics

    Shipping chlorine dioxide presents a host of logistical challenges. As a manufacturer, we take direct responsibility for safe containment and proper documentation. Regulations govern every step of the journey, from labeling to manifested delivery. Many clients express concern about risks in storage or transfer. To answer those worries, we invest in robust drum designs and inspect every shipment for seal integrity. Drivers receive product-specific handling and emergency response training. When customers run inventory, they find clear batch numbers and supporting test data to cross-check against their own records.

    Long-term stability stands as another real-world issue. Some producers economize with low-grade intermediates, which can dramatically reduce solution shelf life. In our facility, we keep detailed logs on every blend, matching storage recommendations with climate and exposure history. Our stabilized products remain active for months in a warehouse, which cuts wastage and decreases surprise failures in field applications. End users who experienced loss of disinfectant strength with off-brand material have seen much better consistency after switching to our lines.

    Supporting Clients after Delivery: Field Problems, Real Solutions

    Many buyers expect more than just a drum or a box at the loading dock. Our relationship with clients doesn’t stop at the invoice. Plant teams sometimes face seasonal water changes, upstream contamination, or persistent microbial issues resistant to routine doses. Our technical group collaborates with operators, running bench-top tests against actual process water—not just laboratory standards. Whether it’s tuning up a dosing pump, troubleshooting pH drift, or confirming kill rates for a new organism in a food facility, we stay engaged long after shipping.

    For municipal clients preparing for regulatory audits, our team assists directly with paperwork audits, data reconciliation, and performance documentation. By providing technical notes based on real field results, not marketing gloss, we help operators pass state or federal reviews more easily. Over the years, this approach has strengthened trust and cut down on rework or disputes over performance claims.

    Continuous Improvement: Meeting Industry Needs with Practical Solutions

    Modern disinfection faces tough challenges from new pathogens and rising water quality standards. As manufacturers, our responsibility extends beyond supply. We invest in research and development—trialing changes to pH stabilization, enhancing packaging safety, and automating fill and batch verification. We also hold regular roundtables with water engineers, food plant maintenance, and academic chemists to share failures and successes. These open lines help us adapt quickly to real problems, not just theoretical threats.

    Production efficiency allows us to keep pricing stable, even as raw input markets fluctuate. Our team monitors equipment wear, batch loss statistics, and downtime in real time. These direct metrics allow us to keep every order as cost-effective as possible while upholding quality. Over the past five years, our energy use per finished drum has dropped, translating directly into both lower manufacturing cost and reduced environmental footprint.

    Looking Ahead—Responsible Chemistry for Sustainable Progress

    Chlorine dioxide remains a crucial solution for modern sanitation and disinfection—both at major public facilities and in the smallest local businesses. Its ability to destroy pathogens without burdening downstream environments with organochlorine byproducts has made it a responsible choice, shaping the way water and food are protected worldwide. Our ongoing mission focuses on keeping chemistry safe and reliable, always learning from the real-life experience of those who rely on us.

    By working closely with our clients, staying transparent about sourcing and practices, and never sacrificing safety, we help them meet standards that protect families, communities, and industries. As rules and expectations change, so will our methods and products—anchored in real-world evidence and decades of practical expertise. We know many rely on the science and integrity behind every batch of chlorine dioxide we ship, just as much as they rely on the technical advice and support we provide. This trust guides every part of our operation, from the sourcing floor to packaged delivery, and onward into every community that our products reach.