Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
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Iron Chloride

    • Product Name Iron Chloride
    • Alias Ferric Chloride
    • Einecs 231-729-4
    • 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

    735357

    chemical_name Iron Chloride
    chemical_formula FeCl3
    molar_mass 162.2 g/mol
    appearance Dark green to brownish-black solid
    solubility_in_water Highly soluble
    melting_point 307.6°C
    boiling_point 315°C (decomposes)
    density 2.90 g/cm³
    oxidation_state +3
    CAS_number 7705-08-0
    pH_of_aqueous_solution Strongly acidic
    industrial_uses Water treatment, etching agent, pigment production
    odor Faint hydrochloric acid-like

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

    Packing & Storage
    Packing A 500g plastic bottle labeled "Iron Chloride, FeCl₃" with hazard symbols, manufacturer details, and tightly sealed screw cap.
    Shipping Iron chloride should be shipped in tightly sealed, corrosion-resistant containers, clearly labeled with hazard information. It must be transported according to local, national, and international regulations for hazardous materials, away from incompatible substances. Protect from moisture and physical damage. Ensure proper documentation and emergency procedures are in place during shipping.
    Storage Iron Chloride should be stored in a cool, dry, well-ventilated area away from incompatible substances such as strong oxidizing agents and moisture. Keep the container tightly closed and properly labeled. Use corrosion-resistant materials for storage containers, such as glass or specific plastics, to prevent reactions. Ensure the storage area is equipped with appropriate spill containment measures and access to emergency eyewash stations.
    Application of Iron Chloride

    Applications of Iron Chloride in Industrial Manufacturing

    Iron chloride, produced with stringent process control in our manufacturing facilities, serves multiple industrial sectors with application-driven specifications for distinct downstream processes. We bring technical-grade iron chloride to global partners pursuing advanced manufacturing across water purification, printed circuit boards, pigment synthesis, wastewater treatment, and metallurgy sectors.

    1. Municipal and Industrial Water Treatment

    Utilities and plant operators use iron chloride as a core coagulant for removing suspended solids, phosphorus, and other contaminants during potable water and wastewater processing. By introducing iron chloride into clarification and sedimentation stages, operators achieve rapid floc formation, supporting compliance with environmental regulatory frameworks. Batch dosing and continuous feed methods allow precise adaptation to source water characteristics and solids loading rates, ensuring treatment objectives are met for municipal distribution or industrial discharge.

    Industry compliance standards

    • EN 888: Chemicals used for treatment of water intended for human consumption
    • NSF/ANSI Standard 60 (USA)
    • China GB 1706-2006 for water treatment chemicals
    • Relevant EPA and local environmental regulations for treated effluent

    Typical usage ratio

    • Water clarification: 5–35 mg/L depending on raw water turbidity and required removal rates
    • Phosphorus removal: 1.0–3.0 mole Fe/mole P, adjusted per influent levels

    Downstream process integration

    • Dosed via automatic dosing pumps at primary or secondary clarifiers
    • Combined with polymeric flocculants for enhanced solid-liquid separation
    • Sludge conditioning before mechanical dewatering
    • Integrated monitoring using online iron and phosphorus analyzers

    Final product types

    • Safe drinking water for municipalities
    • Industrial process water meeting permit limits
    • Dewatered sludge cake for land application or disposal

    2. Printed Circuit Board (PCB) Manufacturing

    The electronics industry relies on iron chloride solutions, known as etchants, to precisely remove copper during PCB patterning and microfabrication. Controlled etching bath chemistry, dictated by copper loading, temperature, and iron concentration, directly impacts line width accuracy and product quality. Our manufacturing batches guarantee consistent purity and reactivity, supporting fine-line PCB features and meeting the demands of high-density interconnect substrates for global OEMs and tier-1 PCB fabricators.

    Industry compliance standards

    • IPC-6012 (Qualification and Performance Specification for Rigid PCBs)
    • ISO 9001:2015 for electronics manufacturing
    • RoHS Directive 2011/65/EU (heavy metals restrictions)
    • Local EHS guidelines for etchant handling and effluent treatment

    Typical usage ratio

    • Etchant solution: 130–200 g/L iron chloride concentration
    • Etch rates fine-tuned by bath composition and line width requirements

    Downstream process integration

    • Charged in continuous or batch spray etch machines post-photoresist development
    • Copper-laden spent etchant collected for regeneration or metal recovery
    • Closely monitored Fe(II)/Fe(III) ratio and bath temperature
    • Bath filtration and chemical replenishment as needed

    Final product types

    • Single-sided and multilayer printed circuit boards
    • Plated-through-hole and blind/buried via boards
    • Flexible and rigid-flex PCBs for electronics assemblies

    3. Pigment and Dye Production

    Pigment manufacturers utilize iron chloride in the synthesis of iron oxide pigments through alkaline precipitation, calcination, or hydrothermal processes. The iron source’s purity and oxidation state directly control color shade, particle morphology, and tinting strength essential for architects, coatings, plastics, and industrial paint segment users. Batch-to-batch traceability and controlled impurity levels are critical in production lines for paints exposed to high weathering stress or regulatory-driven lead/cadmium-free formulation projects.

    Industry compliance standards

    • ISO 787-24 (General methods of test for pigments and extenders)
    • REACH Regulation (EC) No 1907/2006 for pigment substances
    • ASTM D3722-20 (Pigment dispersion and tint strength testing)
    • AP89:2021 (European standards for coatings & colorants)

    Typical usage ratio

    • Iron chloride input: 0.6–1.2 molar equivalents per target Fe2O3 yield
    • Color and particle size tuning by pH adjustment and feed rate

    Downstream process integration

    • Reacted in stirred tank reactors with alkaline agents for initial precipitation
    • Filter, wash and calcine intermediary hydroxide to form pigment oxide
    • Surface treatment and milling for dispersion-grade output
    • Final QC for hue, particle sizing, and oil absorption properties

    Final product types

    • Red, yellow, and brown iron oxide pigments
    • Architectural and industrial paints
    • Plastic masterbatch colorants
    • Construction tile and paver coloration

    4. Industrial and Hazardous Waste Treatment

    Hazardous waste handlers and specialized environmental firms apply iron chloride for stabilizing toxic waste streams, including cyanide, arsenic, chromate, and heavy metal-rich effluents. Iron chloride acts through reduction and precipitation in high-shear reactors or contained batch systems, producing insoluble metal hydroxides easily separated for landfill, encapsulation, or recycling. Regulatory-driven waste discharge compliance places strong emphasis on documented process control and trace metal residuals, supported by our supplied materials meeting technical-grade assurance protocols.

    Industry compliance standards

    • US EPA 40 CFR Part 261 (Hazardous Waste Management)
    • EU Landfill Directive 1999/31/EC
    • China GB 18598-2019 (Hazardous waste landfill technical requirements)
    • ISO 14001:2015 (Environmental Management Systems)

    Typical usage ratio

    • Chromate/Cyanide reduction: 2.5–4.0 stoichiometric equivalents, based on pollutant loading
    • Heavy metal precipitation: adjusted by jar test, typically 10–30 mg/L

    Downstream process integration

    • Direct addition to stirring tanks, in-line mixers, or mobile treatment units
    • Integration with pH control and settling/filtration units
    • Precipitate filtered, dewatered, stabilized for landfill or metal recovery
    • Automated titration and residual heavy metal monitoring

    Final product types

    • Stabilized hazardous waste residues
    • Regulatory-approved landfill solids
    • Decontaminated process effluent
    • Recovered non-hazardous metal byproducts

    5. Chlorinated Hydrocarbon Synthesis in Fine Chemicals

    The fine chemical sector utilizes iron chloride as a Lewis acid catalyst in specific chlorination and Friedel–Crafts-type reactions. Operators incorporate iron chloride into anhydrous or solvent-assisted reactors, leveraging its high catalytic activity for targeted halogenation steps. Close process monitoring is essential to control batch temperature, conversion rates, and minimize byproduct formation. Our product is tailored for trace metal impurity and moisture levels demanded by active pharmaceutical intermediate and advanced specialty chemical routes.

    Industry compliance standards

    • China GB/T 23941-2009 (Catalyst for chlorinated organics)
    • Responsible Care program (global chemical industry)
    • ISO 9001:2015 (Fine chemical manufacturing)
    • GMP where used in pharmaceutical intermediate steps

    Typical usage ratio

    • Lewis acid catalysis: 2–10 mol% iron chloride, exact ratio based on substrate and conversion yield
    • Continuous or batch addition modes tailored for reaction scale

    Downstream process integration

    • Pre-mixed with aromatic feedstock or added incrementally to reaction vessel
    • Post-reaction quenching and iron removal by filtration or hydrolysis
    • Recycling of catalytic iron from product streams if required
    • Reaction controlled by in-line chromatography and temp sensors

    Final product types

    • Chlorobenzenes, dichlorotoluenes, and related intermediates
    • Pharma intermediates produced via chlorination
    • Agrochemical active compounds
    Free Quote

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    Certification & Compliance
    More Introduction

    Iron Chloride: Our Foundation Chemical in Water Treatment and Industry

    What We Make, Why We Make It

    Iron chloride comes in two main forms: ferric chloride and ferrous chloride. We manufacture both, each for different processes and requirements. Our ferric chloride, with a formula of FeCl3, is a deep brownish-yellow solution packed with strong oxidizing power. Ferrous chloride, with a formula of FeCl2, is a greenish, moisture-sensitive salt with its own niche uses. The models we produce meet the high standards expected in public water utilities, metal processing, electronics, pigment manufacturing, and chemical synthesis.

    Years spent working in iron salt chemistry have shown us that true quality goes deeper than a purity number or a color on a specification sheet. Water plants come to us for iron chloride that stays stable in storage, pours without clogging, and reacts predictably, batch after batch, tank after tank. Our formulations carry consistent concentrations—40% ferric chloride solution is the reliable workhorse for municipal and private customers. Industries running high-purity etching or electronics pick up our low-impurity grades, where stray metals and suspended solids cause real-world headaches.

    Everyday Challenges: We Know the Real-World Demands

    Raw water sources change with the seasons; river profile shifts, temperature swings, silt loads. Our iron chloride has to keep working as local water picks up more organics or hits unexpected spikes in hardness. We hold our solutions to rigid iron concentration levels not only for paperwork, but because underdosing or overdosing lands directly on performance: too weak and the water turbidity doesn't drop out, too strong and handling costs or downstream pH adjustments pile up. Plant operators tell us when they run into unusual odors, visible particles, or unexpected iron stains; that feedback comes straight back to our refinery controls.

    Pipelines, tanks, and valves in dosing systems have personalities of their own. Some materials corrode faster if the chloride is too acidic or contaminated. We keep chlorides as neutral as possible without letting ferrous forms oxidize out of solution. Over time, we've learned how temperature and exposure affect stability. Our engineers prevent precipitation by strict control of storage temperatures and providing express delivery for customers in hotter regions. The small clogging deposits that frustrate maintenance teams are not small issues in our book. We've retooled manufacturing lines more than once to deliver product with better filterability and lower residue.

    From Water to Wafers: Applications We Serve Firsthand

    Coagulation in municipal and industrial water is where ferric chloride really shines. Turbidity, color, and total organic carbon all drop sharply with proper dosing. In practice, that means smaller filters clog less often and water moves faster through the treatment plant. Where aluminum sulfate used to dominate, iron chloride handles higher loads of organic matter and even sulfate-rich waters. We tailor the strength and form (liquid or powder) to the needs of each site.

    Electronics manufacturing makes very different asks. Printed circuit board (PCB) etching runs require iron chloride with minimal copper, zinc, and lead—even trace levels can spike defects. Our strict purification at every stage matters most in these applications; customers send back detailed feedback if a run produces unexpected residues or etch rates. We've lost sleep over small variations in impurity levels until we found new analytical control windows. It's the work behind the scenes most people will never see, but it's also the reason our product keeps making the shortlists at PCB houses.

    Pigment companies call out for ferrous chloride because they need strong reduction potential in their processes. We keep a tight grip on moisture and offer sealed drums for companies that handle large-scale blending under moisture-sensitive protocols. Traditional pigment users have often tried to convert over to cheaper iron sources, but always come back when color consistency or blending problems start showing up in the final product.

    Differences That Matter: Iron Chloride and Other Coagulants

    Having watched industry trends rise and fall, we can draw a line between iron chloride and other coagulants such as aluminum sulfate, polyelectrolytes, and polyaluminum chloride. Aluminum-based coagulants bring their own strengths in soft water, but they struggle in waters loaded with organics. Iron chloride, with its strong positive charge and high reactivity, settles particles that resist even heavy doses from aluminum types. We’ve taken on contracts specifically because previous suppliers couldn’t clear color or meet tighter disinfection standards after coagulation.

    Organic polyelectrolytes have gained attention for their low-sludge promise, but operating costs and the unpredictability of side reactions keep many engineers anchored to iron salts where the chemistry is familiar, fire-tested, and less prone to failures. Our iron chloride works consistently with minimal tweaks, and supplies are less exposed to price swings driven by oil or specialty monomers.

    There is a difference in handling and safety, too. Polyaluminum chloride and some organic agents need special gear, and their waste streams can push up the need for further treatment. Iron chloride, handled well and in the right forms, presents fewer headaches for seasoned water operators. We supply custom-built safety and handling training for customers scaling up iron chloride facilities, always learning lessons from their maintenance logs, spill reports, and daily feedback.

    Quality Built on Experience

    We manage every step from raw iron selection to packaging. Sourcing high-grade scrap or refined iron keeps trace contaminants down. Every batch passes a battery of analyses—titration for concentration, ICP-OES for trace metals, visual checks for sediment or discoloration. Our in-house lab has caught variations that never would have surfaced in standard QA routines, and stopping a suspect batch heading to a water utility is a point of pride, not a sunk cost.

    Customers using our iron chloride in high-value manufacturing call for Certificates of Analysis and third-party validation, not because they want more paperwork, but because production lines are unforgiving. We built our reputation batch by batch, learning from shortfalls, tuning controls, and opening the lab to customer inspectors.

    Transport and warehousing matter as much as what goes in the drum. We ship iron chloride in lined tankers rated for corrosive chemicals, using materials that resist long-term leaching or pitting. Trained drivers and local delivery schedules cut holding times and shrinkage. Customers who have dealt with leaking drums, fouled pumps, and ruined concrete pads push us to take packaging as seriously as the reaction chemistry.

    Tackling Industry-Wide Issues: Solutions Grown from Experience

    A big problem in the sector is iron chloride instability during hot summer months or prolonged storage. Precipitated sludge creates headaches for filter maintenance, blocks lines, and reduces available iron dose. We engineered our production with thermal control and just-in-time packaging. Partnering with water plants, we learned that daily deliveries to local depots, using tanker trucks with recirculation and insulation, do far more to protect quality than any laboratory additive or shelf stabilizer.

    Odor is another challenge. At high concentrations, ferric chloride can put off strong, harsh smells if there is trace organic contamination. Some suppliers shrug this off, but plant teams bear the brunt during dosing, repair, and spillage. We audit supplier streams, swap to new acid-neutralizing steps, and open drums ourselves for real-world smell checks. Our own people see firsthand what a “clean” batch means.

    Corrosion is constant. Iron chloride is tough on unprotected steel, copper, or ordinary alloys. We don’t just post warning labels; we advise customers on pipe and gasket choices learned from years on municipal installs. We now suggest lined pipes, PVC dosing lines, and scheduled inspection intervals. Our advisory teams know what leaks out and what drives up plant maintenance. That’s how we keep customer trust long-term—practical, site-proven tips, never generic warnings.

    Supporting Compliance and Health Standards

    The push for lower disinfection byproducts and tighter residual iron limits across North America, Europe, and East Asia means our iron chloride must meet or exceed every new regulation. We do not take shortcuts with testing for heavy metal impurities or residual acidity. Failures put public health at risk and put our biggest customer relationships in jeopardy. With traceability back to each raw iron load, we stay ready for audits and rapid recalls if a batch breaches requirements.

    Our team follows regulatory bulletins as soon as they’re published, and some members actively participate in local water consortiums and standards groups. New manganese, arsenic, or lead limits get built into our process before they reach the procurement stage. We invest in new filtration, chelation, or post-processing gear if our old systems can’t make the cut. Competitors grumble about compliance “burdens,” but we see it as a way to push our manufacturing to world-class levels.

    We confront user concerns about over-application directly. Too much iron chloride can leave residual color and metallic taste in finished water. Feedback from customers drives us to provide support on calibration, automated dosing, and periodic pilot testing. We don’t disappear once the truck leaves the plant—we follow up, run bench tests if complaints land, and help optimize for both regulatory safety and taste.

    Environmental Responsibility: Beyond the Factory Gate

    Processing and shipping iron chloride produces waste streams that carry chlorides, iron residues, and traces of acid. Our factory runs dedicated neutralization and filtration before any liquid leaves for disposal. We track chloride load in our local watershed and have upgraded containment for site runoffs after heavy rain. The older practice of running rinse water straight to sewer lines is gone—regulators don’t allow it, and we do not want our brand tied to contaminated aquifers.

    Customers worry about landfill burden from iron-laden sludge after coagulation. We work with research teams on ways to convert this “waste” into usable building blocks—blending with cement, stabilizing contaminated soils, even recovering trace metals. While landfill remains a reality for many users, we constantly share new routes for safe reuse. Some plants returned to us with their own pilot results, and we listen to every innovation.

    Transport partners are under pressure to reduce fuel and emissions. Shipping concentrated solutions is more energy-intensive, but running bespoke dilution programs at the user’s site helps cut tanker traffic. We encourage plants to match concentration to consumption, reducing storage risk and environmental exposure. Operations who buy from us direct see shorter supply routes, less risk, and tighter carbon accounting.

    Iron Chloride and Operator Safety: Our Culture

    All chemicals carry real risks. Few things slow down new customers like stories about acid burns, pipe leaks, or respiratory hazards. In our plants, safety started as a checklist item and grew into a core part of our culture. Our warehouse managers double-check not just labeling, but the integrity of every tank and valve. Drum handlings are always paired; open tanks never lack splash guards; and eye wash stations are within steps, not across the building.

    We invest in spill response training for operators and customers. Most incidents are small splashes, but we teach teams to treat every spill as a drilling opportunity. We're accessible 24/7 in the event of delivery or use emergencies—actual engineers, not call-center scripts. Every year, we improve handling guides to reflect what our teams and those of our customers report as incident root causes. Shared lessons across factories, rather than locked-up internal memos, have improved safety plant-wide.

    Long experience tells us that knowledge and preparation matter more than sheer compliance. Suppliers who ignore training and treat safety as “the customer’s problem” do not earn repeat business in our segment. Our open-door policy for plant visits gives both operators and purchasing managers a no-spin look at how we work.

    Market Outlook: Priorities for the Coming Years

    Iron chloride’s role in water treatment and industry continues to grow, especially as demands for clean water, better infrastructure, and more advanced electronic goods spread worldwide. We see increased competition from regions with lower cost structures, but many clients stick with domestic or long-term manufacturers because response times, reliability, and regulatory transparency hold greater value than unit price.

    We expect new standards for trace contaminants in both water and electronics sectors. Our R&D has prioritized new purification steps, with automated impurity tracking and supervised feedback from downstream users. We partner with customers as early as pilot trials, rather than waiting for problem batches to emerge on the production floor.

    Developments in water treatment chemistries—especially hybrid or multi-stage coagulant strategies—put iron chloride at the center as a foundation chemical. Blending with organic coagulants is unlocking higher removal efficiencies and lower sludge, while direct substitution of iron chloride for less robust agents remains common where water sources are highly variable.

    We plan to keep investing in manufacturing automation and supply chain resilience, ensuring every delivery arrives on time and within specification. Facing a future of changing regulations, infrastructure demands, and climate-driven supply volatility, our team keeps adapting and building new solutions—iron chloride remains the backbone, but innovation never stops.

    What Drives Us

    Iron chloride may seem simple—a brown or green chemical, issued in drums and tankers—but the realities behind that product stretch across chemistry, logistics, safety, and service. Our teams bring experience from the lab, the loading bay, and the jobsite. Every improvement, from stability tweaks to better handling material, comes not from guesswork but from direct calls, site visits, and years learning from real-world use. We see every spec, every certificate, and every delivery as an extension of our own standards.

    Customers rely on iron chloride that delivers predictable performance, works safely, and adapts to new challenges. Our enduring relationships with utilities, manufacturers, and engineers across industries have shown us that consistency and transparency, not just price, are what earns trust in the long run. We promise to keep building what works for the people, facilities, and communities depending on iron chloride every day.