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Complexon I

    • Product Name Complexon I
    • Alias EDTA
    • Einecs 200-449-4
    • 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

    583540

    product_name Complexon I
    chemical_name Ethylenediaminetetraacetic acid disodium salt
    chemical_formula C10H14N2Na2O8·2H2O
    molar_mass 372.24 g/mol
    appearance White crystalline powder
    solubility_in_water Readily soluble
    cas_number 6381-92-6
    storage_temperature Room temperature
    ph_value Approximately 4.0 to 6.0 (1% solution)
    primary_use Chelating agent
    melting_point Approximately 252 °C (decomposes)
    synonyms EDTA disodium salt, Disodium EDTA
    stability Stable under recommended storage conditions

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

    Packing & Storage
    Packing Complexon I is packaged in a white, chemical-resistant plastic bottle with a blue screw cap, labeled 250 grams.
    Shipping Complexon I should be shipped in tightly sealed, appropriately labeled containers to prevent moisture absorption and contamination. It must be handled in accordance with standard chemical safety protocols, with protection from physical damage and extreme temperatures. Ensure compliance with relevant transportation regulations and include safety data documentation with each shipment.
    Storage **Complexon I** (ethylenediaminetetraacetic acid, EDTA) should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers and acids. Protect it from moisture and direct sunlight. Proper labeling is essential. Ensure storage conditions prevent contamination and degradation of the chemical.
    Application of Complexon I

    Applications of Complexon I in Industrial Manufacturing

    Complexon I serves as a critical chelating agent across several regulated industrial and manufacturing sectors. Our expertise as direct producers ensures strict traceability, precise composition, and technical support for downstream users requiring reliable raw material input for complexing metal ions and controlling trace contaminants. Below are key application scenarios with detailed technical and regulatory guidance.

    1. Water Treatment Chemicals for Industrial Cooling Towers

    Industrial water treatment processes depend on Complexon I to inhibit scale formation and control metal ion contamination in recirculated water systems. It effectively binds calcium, magnesium, iron, and other transition metals, safeguarding heat exchangers and piping from deposits and corrosion. The chemical maintains ionic stability at a wide pH range, improving water quality compliance for discharge and reuse. Proper integration into antiscalant and dispersant blends, followed by rigorous field monitoring, helps operators achieve water cycle efficiency and extend asset longevity.

    Industry compliance standards

    • US EPA Clean Water Act effluent guidelines (40 CFR 423, 455)
    • EN ISO 14001:2015 Environmental Management for water use
    • ASTM D5127-13 for high-purity water standards
    • China GB/T 50050-2017 (Industrial circulating cooling water treatment and reuse)

    Typical usage ratio

    • 0.5–5.0 mg/L as active chelant; dosage varies per metal ion load, water hardness, and process flow rates

    Downstream process integration

    • Added directly to automated water dosing systems in makeup water or recirculation lines
    • Mixed with polymeric dispersants and scale inhibitors
    • Checked via on-line metal ion residual analyzer and titration

    Final product types

    • Industrial antiscalant blends
    • Corrosion inhibitor formulations
    • Cooled process water for power plants
    • Reclaimed industrial effluents for reuse or discharge

    2. Analytical Reagents for Titrimetric Water Hardness Testing

    Analytical laboratories and industrial QC teams use Complexon I as the active ingredient in buffer and titrant preparations for precise water hardness measurement. The superior chelation ensures targeted interaction with Ca2+ and Mg2+ ions, delivering reliable endpoint detection using Eriochrome Black T or Calmagite indicators. Our quality-controlled grade produces clear titration curves, which are critical for monitoring process and product water specifications in regulated manufacturing sectors.

    Industry compliance standards

    • ISO 6059:1984 (Determination of hardness - Complexometric method)
    • US EPA Method 130.2 (Hardness by EDTA titration)
    • EU Drinking Water Directive 2020/2184
    • Standard Methods for the Examination of Water and Wastewater, APHA 2340 C

    Typical usage ratio

    • 0.01–0.04 M aqueous solution for titrant preparation; final amount depends on expected hardness equivalent

    Downstream process integration

    • Weighing and dissolving as titrant stock in laboratory glassware
    • Buffered with ammonium chloride/ammonia for pH control at 10
    • Dispensed via burettes or auto-titrators for endpoint analysis

    Final product types

    • Bottle-packaged titration reagents
    • Water hardness test kits
    • Analytical reagent standards for industrial lab supply

    3. Pharma-grade Chelation for Parenteral Solutions

    Pharmaceutical manufacturers apply Complexon I in injectable drug formulations to stabilize trace metal ions, enhancing the shelf life and safety of parenteral products. It acts as a metal scavenger, preventing oxidative degradation of active ingredients and minimizing particulate formation. Our pharma-certified grade conforms to critical monographs and is batch-tested for endotoxin and microbial purity, providing secure supply for high-stakes sterile manufacturing.

    Industry compliance standards

    • USP-NF EDTA Disodium for Parenteral Use
    • European Pharmacopoeia (Ph. Eur.) Monograph 0232
    • ICH Q7 GMP guidelines for APIs
    • 21 CFR Part 211 – cGMP for Finished Pharmaceuticals

    Typical usage ratio

    • 10–200 ppm in finished injectable formulation; dosage determined by chelation demand of API and trace metals from excipients

    Downstream process integration

    • Pre-dissolved in WFI (Water for Injection)
    • Integrated prior to sterile filtration and aseptic filling
    • Microbial and endotoxin testing pre-release

    Final product types

    • Antibiotic injectables (e.g., cephalosporins)
    • Biological product injectables
    • IV nutrient admixtures
    • Diagnostic injectable preparations

    4. Food Additive for Metal Ion Stabilization in Processed Foods

    Food processors use Complexon I (approved forms such as Disodium EDTA) as a sequestrant to inhibit metal-catalyzed oxidative reactions that compromise flavor, color, and shelf life in dressings, mayonnaise, and canned beverages. Careful dosing ensures residuals comply with food safety limits while maintaining product sensory qualities. We manufacture and audit under strict HACCP and FSSC 22000 systems to meet the food chain's continuous safety demand, providing full traceability and allergen status documentation.

    Industry compliance standards

    • US FDA 21 CFR 172.135 (EDTA in food)
    • EFSA E386 – Maximum permitted levels for EU foods
    • Codex Alimentarius GSFA (CODEX STAN 192-1995)
    • China GB 2760-2024 (National food safety standard for use of food additives)

    Typical usage ratio

    • 25–75 mg/kg of final product as allowed by region and food type; adjusted to achieve minimum effective metal sequestration without exceeding permitted limits

    Downstream process integration

    • Dry blending with salts, or aqueous pre-dissolution with liquid ingredients
    • Added during emulsion or beverage preparation, before pasteurization or UHT treatment
    • Documented through batch record and HACCP traceability sheets

    Final product types

    • Salad dressings and mayonnaise
    • Soft drinks (canned and bottled)
    • Processed canned legumes and seafood
    • Liquid egg products

    5. Detergent and Cleaning Formulations for Industrial and Institutional Use

    Large-scale detergent manufacturers rely on Complexon I to bind waterborne metal ions that cause detergent precipitation and reduce wash efficiency. The controlled addition improves foam performance, protects heating elements from scaling, and reduces equipment downtime. Our supply guarantees batch-wise quality and consistent chelating capacity, which is vital for achieving regulatory-compliant, phosphate-free cleaning power and aligning with eco-label requirements for professional maintenance products.

    Industry compliance standards

    • EU Detergent Regulation (EC) No 648/2004
    • US EPA Safer Choice Standard for institutional cleaners
    • China GB/T 13174-2019 (Industrial and Institutional Cleaning Agents)
    • ISO 14024, Type I Environmental labeling

    Typical usage ratio

    • 0.2–2.0% wt/wt of finished detergent; ratio based on total hardness, application (laundry, dishwashing, CIP), and targeted soil load

    Downstream process integration

    • Added during compounding with surfactants and builder salts in mixing vessels
    • Homogenized prior to spray drying or liquid charging
    • Monitored by batch traceability and routine chelation index assays

    Final product types

    • Industrial laundry detergents
    • Food-industry alkaline CIP (clean-in-place) solutions
    • Institutional dishwashing agents
    • Automated carwash cleaning concentrates

    6. Electroplating Bath Additive for Surface Finishing

    Surface finishing and electronics plating operations depend on high-purity Complexon I to control free metal ion activity in electroplating baths, especially for nickel, silver, and copper processes. The chelant stabilizes bath chemistry, prevents unwanted precipitation, and improves deposit uniformity, which is essential for meeting fine-feature tolerance in electronics, precision tools, and decorative finishes. We deliver with technical support for bath make-up, replenishment, and waste stream management.

    Industry compliance standards

    • ISO 4527:2014 (Electroplated coatings - Nickel)
    • RoHS Directive 2011/65/EU (limit of heavy metal residues)
    • China GB/T 20599-2012 (Electroplating process control)
    • ASTM B700 – 15 (Silver plating requirements)

    Typical usage ratio

    • 5–20 g/L in electroplating bath; adjusted based on bath volume, metal concentration, and cycle time

    Downstream process integration

    • Dissolved with metal salts in bath make-up
    • Continuous bath monitoring using ion selective electrodes
    • Periodically replenished to maintain target chelation capacity and avoid metal salt precipitation

    Final product types

    • Nickel-plated electronic parts
    • Copper and silver-plated connectors
    • Decorative hardware with electroplated finish
    • Precision machine tool components
    Free Quote

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

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    Certification & Compliance
    More Introduction

    Introducing Complexon I: A Trusted Chelating Agent Direct from Our Factory Floor

    Our team has spent many years refining the production of chelating agents, and Complexon I is the result of applied experience across demanding industries. Produced at our site with strict attention to quality, Complexon I performs reliably in both laboratory and industrial settings. Known chemically as EDTA (Ethylenediaminetetraacetic acid) and referenced as our Model: Complexon I, this agent supports stable, consistent processes wherever precise metal ion control plays a role in the workflow. We find regular application for Complexon I in fields ranging from water treatment and industrial cleaning to textile processing and laboratory analysis.

    Why Complexon I Has Earned Its Place in Real-World Applications

    Through years of scaling and batch operation, we have learned that chelators are not all created equal. The actual working environment makes a difference. Complexon I has built up a reputation for stability, dissolving with ease in water at neutral and slightly alkaline pH values. We ship fine crystalline powder, bright and free of clumps, aiding handling and reducing downtime at our customers’ sites. Unlike formulas that clump or show inconsistent solubility, our Complexon I provides clear solutions with minimal agitation.

    Inside water treatment plants, our customers often face fluctuating levels of hardness or trace metals. Complexon I steps up in these challenges by binding calcium, magnesium, iron and other metal ions reliably. Colleagues report faster filtration cycles and reduced fouling after integrating our chelator. In industrial cleaning, residues come loose faster and deposits rarely return. Plant operators tell us that cleaner system internals have sharpened long-term productivity. Whether for scaling prevention in boilers or for tank cleaning runs, customers reach out to reorder Complexon I because it gets the job done without frequent adjustments.

    Technical Specifications Informed by Factory and Field

    Complexon I rolls out from our reactors with high purity, generally not falling below 99.0% on anhydrous basis, as confirmed by laboratory titration and spectrometry. We control moisture content closely, keeping it within the recommended range for storage stability. Each output batch is checked for residue loss on ignition as well as for nearly absent heavy metal content, following the best practice we have honed over decades. Bulk density sits in a manageable range so that technicians can measure and blend without dust clouds or unexpected bridging.

    The product’s pH in aqueous solution lands in a mildly acidic spectrum, typically between 2.5 and 3.5, which fits for most complexing tasks while avoiding corrosion risk to equipment. We have found that this pH range supports fast dissolution in recycling tanks and mixing vessels. Customers who previously dealt with slow-dissolving or variable-grade alternatives remarked on easier dosing and improved workflow continuity. Thanks to our strict impurity controls, even trace amounts of iron and heavy metals sit below detection thresholds for many laboratory methods—a point valued by those in analytical labs or process-critical steps.

    Experience from Water Plant, Factory, and Laboratory

    We have worked alongside water treatment operators long enough to see the impact of consistent EDTA supply chains. Downtime cuts into output, and switching between different sources always brings risk. Sourcing direct from our plant offers a continuity that reduces headaches during compliance checks or process audits. Years of quarterly testing show that our output seldom drifts outside customer-requested tolerances. As one long-term partner put it, receiving Complexon I means “knowing what to expect every time.”

    Customers running dyeing or textile wet processes report that Complexon I keeps colors faithful and avoids precipitate stains. In these lines, even a small contaminant can mar production. Our low-impurity manufacturing steps mean we do not introduce stray ions, which could cause batch failures or inconsistent shades. Colleagues in the paper and pulp sector tell us pulp brightness improves and fiber integrity persists longer. Analytical chemists reference our material in standard methods for both calibration and sample prep, where confidence in background levels makes or breaks an experiment.

    Differences That Matter: Our Plant, Our Process, Your Results

    There’s no substitute for in-house quality oversight, and this sets Complexon I apart from “white bag” products or blends purchased sight unseen. We select only certified raw materials whose provenance we can verify. Regular review of reactors and filter stations keeps contamination risk to a minimum. Technicians remove any substandard batch before bagging. Dust content, particle distribution, and flowability all get checked with calibrated equipment. Our packaging line uses tightly sealed bags impervious to outside moisture. Many of our customers store their annual stocks on-site, and we want them to find the powder as fresh at year’s end as it was straight off the line.

    Feedback from partners switching over from bulk-imported chelators usually centers on predictability. They tell us feed dosing routines no longer need on-the-fly adjustments, which used to tax their operators. Some competitors cut costs by blending in fill materials or lowering purity. Testing side-by-side with our material, these shortcuts typically result in more frequent maintenance, unpredictable precipitates, or lower yields in subsequent processes. We heard from a beverage bottling plant where inconsistent chelators once led to filter blockages—after changing to Complexon I, cleaning intervals extended and replacement costs dropped. No “universal” or opportunistic substitute in the market matches this record.

    Adaptability in Form and Function

    For process engineers looking after dosing automation, the flow and pulsing characteristics of a powder often get missed during procurement. Our powder passes through feeders without bridging or separating into fine and coarse fractions, so dosing remains even and electronic feeders stay on-calibration. We watch particle size closely during drying and granulation. Each batch runs across sieves to guarantee uniform response in real-world equipment. This helps keep calibration factors stable for customers between production runs. In cleaning-in-place (CIP) cycles used in dairy or brewery industries, foaming and residue both drop compared to alternative grades, translating to both better hygiene scores and savings in water and energy.

    Complexon I’s compatibility with other standard water additives is confirmed by side-by-side mixing and on-line testing. Our technical support field calls about new combinations and has not recorded any negative interactions with common alkalizers, dispersants, or anti-foaming agents. This means less worry about unexpected gels or precipitates that complicate cleaning or stagnate tanks. Power stations using our product for boiler water keep efficient cycles, with reduced sludge formation and smoother descaling routines during annual overhauls. An engineer overseeing a coastal power plant reported that their water chemistry became far less variable after converting to our EDTA, cutting emergency cleaning down by over 60% year-on-year.

    Supported by Consistent Data and Real Use

    Data from plant trials, frequent batch sampling, and technical service logs provide the backbone for every claim we make about Complexon I. Customers often request supporting certificates backed by our in-house labs. Every batch is traceable by date, lot, and reactor vessel. Engineers visiting our facility have walked the line with us, comparing final product to working samples pulled directly from their live process tanks. This open approach builds trust that lasts for years across market cycles.

    Where regulatory reporting or third-party certification becomes necessary—such as ISO, NSF, or REACH registration—we meet documentation demands and facilitate external audits. Feedback from lab auditors notes clear, straightforward product trace files and consistent compliance with both national and international reference levels for impurities. Our in-house technical documents track method, test history, and lot certificate in parallel, so nothing is left to chance. Rare adjustments in spec, such as for ultra-trace applications, are managed by documented change notifications. We supply parallel samples for pre-shipment qualification if required for regulatory or high-sensitivity use cases.

    Supporting Safe Handling and Practical Storage

    Any chemical process works best with safe handling from source to end use. From our experience training teams and advising clients, we recommend storing Complexon I in dry, sealed containers away from direct sunlight or heat, simply to keep it in peak condition. Technicians wear gloves and work in ventilated spaces when measuring powder for solution prep, minimizing dust exposure and ensuring smooth handling. Packs resist puncture and sealing failures—leakage or moisture uptake during handling has not surfaced as an issue in recent customer feedback or technical callbacks.

    On the shipping dock, our logistics crew wraps and loads with an eye on both regulatory compliance and practical carriage, whether by truck or container shipment. Temperature excursions or long warehouse stays rarely touch product quality due to both robust internal controls and thick-gauge polymer bags. Our records show even after month-long delays, users find no clumping or degradation in performance.

    Environment, Quality, and Responsibility

    Environmental stewardship remains a core value that shapes both factory processes and downstream applications. We operate under waste minimization protocols and closed water cycles, limiting rinseoff and reducing outgoing stream loads. Complexon I can be reclaimed from some cleaning and filtration cycles, reducing overall waste for users in food, beverage, and industrial sectors. Compared to some substitute chelators prepared from hazardous starting materials, our process reduces exposure to regulated byproducts and ensures operators see fewer compliance challenges.

    We keep our process transparent, with regular reporting and quarterly plant walks for regulatory authorities, internal auditors, and client representatives. Responding to customer feedback, we have cut both overt process emissions and fugitive dust through design improvements in drying and filtration systems. This same attention to detail extends to advice for downstream users seeking to minimize their own environmental footprint, sharing what we’ve learned about safe practice and compliant disposal where chelating agents have been spent or byproduct streams arise.

    Comparing Complexon I to Other Options in the Market

    Not all chelators share the same design or supply chain. We constantly see new and repackaged materials enter the market, sometimes at prices that seem too low to be explained by economies of scale. For instance, blends cut with sodium salts or carrier dusts can pass for pure chelator visually, yet cause process instability and accelerate scale return. After testing side by side, customers find lower-purity options introduce unexpected variables, ranging from acidification to equipment gumming or uneven flow rates. Some imported products claim full traceability, but do not always back up these statements at audit or during quality confirmations. We routinely open our doors for direct inspection—buyers see our process from raw input to finished product.

    Complexon I stands out for its consistency and proven purity. Many clients have shared anecdotes about saving thousands in reduced maintenance, filter changes, and process downtime after switching to our material. This is not a theoretical benefit: one multinational bottling customer saw their line efficiency rise six percent after a single quarter’s use of Complexon I. Technicians in coal power plants speak of fewer headaches clearing scale from exchangers. These advantages follow from our strict internal guidelines and refusal to compromise on grades used by process-critical manufacturers.

    Making Real-World Manufacturing Smoother

    Complexon I isn't about fancy technology in isolation; it's about making long workdays in real factories, labs, and plants go more smoothly. Everything from packaging to documentation to reliable delivery aims to let our partners get on with what matters: smooth-running, efficient, and compliant operations. Our support doesn't end when a pallet leaves the gate. Feed rates, solubility testing, and troubleshooting remain open topics for communication. If someone runs into an unexpected challenge—such as batch color shift in textiles or slow clarifier settling in water plants—our technical team gets in touch and follows the story through to resolution.

    We have seen enough day-to-day plant floors to know that “just good enough” is not really good enough at all. Small improvements in solubility, ease of mixing, purity, or batch-to-batch shape translate into whole shifts saved and budgets running greener. Whether facing regulatory obstacles or working to reduce unscheduled maintenance, we have crafted Complexon I with every lesson learned over decades of partnerships.

    Direct from Our Hands to Yours

    Complexon I draws on real people, reliable systems, and ongoing feedback from demanding users. The difference shows not only on paper, but in measurable results and trouble-free operation. For those who measure process performance by more than just price—by savings in time, reliability in output, and the level of hands-on support—direct supply from a manufacturer who controls every stage matters. Every shipment of Complexon I marks another cycle of attention to detail, a handshake across the loading dock, and a shared commitment to long-term improvement.