Chlordecone

    • Product Name: Chlordecone
    • Alias: Kepone
    • Einecs: 200-962-3
    • Mininmum Order: 1 g
    • Factroy Site: Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry: admin@ascent-chem.com
    • Manufacturer: Ascent Petrochem Holdings Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    278019

    Chemical Name Chlordecone
    Cas Number 143-50-0
    Molecular Formula C10Cl10O
    Molar Mass 490.64 g/mol
    Appearance White, odorless crystalline solid
    Density 1.72 g/cm³
    Melting Point 350°C (decomposes)
    Water Solubility 0.2 mg/L at 25°C
    Logp 5.41
    Vapor Pressure 2.5 × 10⁻⁸ mmHg at 25°C

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

    Packing & Storage
    Packing Chlordecone is packaged in a 500-gram amber glass bottle, tightly sealed, with a hazardous chemicals label and safety handling instructions.
    Shipping Chlordecone must be shipped as a hazardous material per international regulations. It should be packed in tightly sealed, chemically resistant containers, labeled and documented as a toxic substance (UN 2761). Transport must comply with ADR, IATA, and IMDG guidelines, ensuring measures to prevent leaks, spills, and environmental contamination during transit.
    Storage Chlordecone should be stored in a tightly closed, clearly labeled container within a cool, dry, and well-ventilated area, away from heat, ignition sources, and incompatible materials such as strong oxidizers. The storage location should be secure and have chemical spill containment measures. Access should be restricted to trained personnel, with appropriate signage indicating the substance’s toxic and hazardous nature.
    Application of Chlordecone

    Applications of Chlordecone in Industrial Manufacturing

    As an established manufacturer, we supply Chlordecone directly for tightly regulated industrial sectors. Our application expertise stems from decades of bulk-scale production, continuous regulatory monitoring, and direct support for downstream processors operating under international and national guidelines. Below we detail specific application domains based on binding statutory and industry requirements.

    1. Pesticide Formulation for Banana and Pineapple Cultivation

    Chlordecone remains in use as a reference compound in limited banana and pineapple plantation treatments, mainly for research and historic integrated pest management evaluation, especially in territories operating under legacy regulations or conducting soil residue studies. We supply technical-grade material to institutional users who require dependable purity for application in comparative studies, contaminant tracing, and residue modeling in deep tropical soils subject to high pest pressures and persistent organic pollutant monitoring regimes.

    Industry compliance standards

    • REACH Authorization/Restriction (EC 1907/2006, Annex XIV/XVII)
    • Stockholm Convention on Persistent Organic Pollutants (POPs) Annex A
    • EU Regulation (EC) No 1107/2009 (historical reference, non-authorized in Europe since 2009)
    • U.S. EPA 40 CFR Part 180 (Tolerances and Exemptions for Pesticide Chemical Residues in Food - Delisting Notice)

    Typical usage ratio

    • Field application rates historically ranged from 0.5 to 3 kg/ha active ingredient for soil treatments.
    • Current reference or research uses typically utilize analytical concentrations from 100 μg/L to 1 mg/L for laboratory soil analysis.
    • Usage strictly monitored and generally restricted to non-commercial, controlled trials.

    Downstream process integration

    • Dilution into water-based or oil-based carriers in pilot plant or laboratory spray chambers.
    • Mixing with inert soil substrates for residue mobility and uptake studies.
    • Integration into bioassay set-ups for determination of pest resistance and soil binding potential.

    Final product types

    • Experimental pesticide mixtures (not for general commercial sale)
    • Soil testing kits for environmental monitoring (reference grade)
    • Research formulations for laboratory-controlled pest and soil interaction studies
    • Internal quality control standards for analytical laboratories

    2. Persistent Organic Pollutant (POP) Standards for Analytical Laboratories

    Analytical laboratories use Chlordecone as a POP reference standard in residue testing, environmental impact assessments, and instrument calibration. Our high-purity grade supports regulatory compliance programs that monitor food, soil, and water contamination resulting from historic use. Laboratories depend on accurate reference materials to meet accreditation requirements, ensuring precise detection, quantification, and reporting of residuals in complex matrices under stringent method validation procedures.

    Industry compliance standards

    • ISO/IEC 17025 – General requirements for the competence of testing and calibration laboratories
    • EPA Method 8270D: Semi-Volatile Organic Compounds by GC/MS
    • European Committee for Standardization (CEN) EN 15662: QuEChERS for pesticide residues in food
    • Stockholm Convention guidance for POPs residue analysis

    Typical usage ratio

    • Analytical reference solutions prepared in the range of 1–1000 ng/mL, depending on sensitivity and calibration curve requirements.
    • Calibration standards typically at 10, 50, 100, 500 ng/mL for GC/MS and LC/MS applications.
    • Internal quality control spikes as low as 0.1 ng/mL in complex environmental matrices.

    Downstream process integration

    • Dilution in certified solvents to prepare primary stock and working standards.
    • Addition to calibration blends for chromatographic instruments.
    • Spiking of validation samples and control materials for inter-laboratory proficiency testing.
    • Preparation of recovery and matrix performance standards for compliance method verification.

    Final product types

    • Certified analytical reference materials for POP monitoring
    • Proficiency testing kits for POP residue analysis
    • Method development sets for regulatory method validation
    • Environmental assessment reports adhering to international POP protocols

    3. Historic Remediation and Soil Tracing Projects

    Chlordecone is routinely involved in research-driven remediation projects targeting legacy contamination sites, especially in the Antilles, West Africa, and select Asian regions. Our industrial-grade supply supports environmental contractors, remediation engineers, and government agencies conducting chemical fate tracing, deep soil washing pilot studies, and legacy site contamination mapping required for risk assessment and regulatory reporting.

    Industry compliance standards

    • International Standard ISO 18512: Soil quality — Guidance on long and short term storage of soil samples
    • French Agency for Food, Environmental and Occupational Health & Safety (ANSES) recommendations for chlordecone soil measurement
    • Directive 2000/60/EC (EU Water Framework Directive) – Chemical Status Monitoring
    • Stockholm Convention (United Nations Environment Programme) reporting

    Typical usage ratio

    • Mixtures for soil column tracing typically use 10–500 μg/kg for lab and pilot testing.
    • Soil spiking for process tracing trials may require 1–10 mg/kg, according to field conditions and sampling protocols.
    • Remediation pilot studies adjust quantity based on contaminated site volume and target concentrations for washing, extraction, or stabilization treatments.

    Downstream process integration

    • Used as a tracer in controlled field experiments to validate soil washing or immobilization technologies.
    • Applied in laboratory column studies to monitor chemical transport through contaminated soils.
    • Incorporated into site-specific pilot plants for treatment efficacy verification and compliance audit sampling.

    Final product types

    • Site-specific remediation project reports
    • Government-mandated environmental impact assessments
    • Soil washing pilot plant study results
    • Long-term contaminant transport and risk modeling datasets

    4. Industrial Hygiene and Worker Exposure Control Monitoring

    We supply pure chlordecone to occupational health laboratories conducting retrospective exposure risk assessments for workers in facilities with historical use. Material is used in developing and validating airborne and surface contamination measurement methods, as well as in biomonitoring programs addressing cholinergic risk and long-term worker health effects under internationally recognized workplace safety protocols.

    Industry compliance standards

    • ACGIH TLVs® and BEIs® for occupational exposure limits
    • OSHA 1910.1000 Table Z-1 (U.S. permissible exposure limits for air contaminants)
    • ISO 17034:2016 – Production of reference materials
    • NIOSH NMAM 5601: Chlordecone in air, using GC/ECD method validation

    Typical usage ratio

    • Routine monitoring programs calibrate sampling media at 1–10 ng (air) and 10–100 ng (surface swab levels).
    • Controls for biomonitoring assay validation range from 0.5–10 μg/L in blood/urine matrix samples.
    • Reference blend concentrations determined by permissible exposure cut-points and analytical detection limits.

    Downstream process integration

    • Preparation of air and surface sampling standards for occupational hygiene field teams.
    • Development of biological matrix calibration mixtures for laboratory biomonitoring protocols.
    • Use in workplace exposure reconstruction through validated environmental sampling schemes.

    Final product types

    • Worker exposure assessment laboratory reports
    • Occupational hygiene program calibration standards
    • Biomonitoring quality assurance materials
    • Retrospective exposure litigation support documentation

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    Certification & Compliance
    More Introduction

    Introduction to Chlordecone: Manufacturer Insights and Real-World Experience

    Chlordecone has drawn its fair share of attention around the world. Working with it daily in production, you gain a closer look at both its practical sides and the wider picture on safety and long-term impact. Through years of hands-on handling, observation, and troubleshooting, certain realities become clear—ones you don’t often see mentioned in sterile product listings or general overviews.

    What Chlordecone Is and Why Fact-Based Knowledge Matters

    Chlordecone belongs to the family of organochlorine compounds. We produce it at our site through a carefully managed multi-step process that transforms raw carbon, chlorine, and related intermediates into crystalline, off-white to tan granules. The strict control of temperature, pressure, and purifying steps cannot be understated; minor errors easily lead to off-spec batches or increased impurity, something experienced operators learn the hard way. With a molecular formula of C10Cl10O, each batch sits well within the expected melting point range of about 350°C, showing high chemical stability and low volatility under standard conditions.

    Our QC team puts every production run through rigorous checks, using GC and HPLC to track purity, often reaching levels exceeding 99.5%. The crystalline product feels waxy to the touch and resists dissolving in water; it only degrades under high-intensity sunlight or specific chemical conditions. Over the years, the understanding has grown that absolute consistency cannot just be a paperwork claim—customers and collaborators working in pest management or research rely on these physical and chemical specifics for predictable performance.

    Where Chlordecone Fits: Application Snapshot

    Chlordecone’s main application at our facility lies in its use as an agricultural insecticide. During peak demand years, farms and plantations have looked to it for persistent pest suppression, particularly to control soil-dwelling insects and root borers in crops like bananas, tobacco, and root vegetables. Its extended activity means users can minimize repeat application, a selling point in managing labor and costs. Several of our longstanding partners in agricultural research demand tight specification tolerances because small changes in physical form or coformulants alter the behavior on target pests and in the environment.

    Unlike broad descriptions that treat chlordecone like a commodity, running a manufacturing line for it means watching every parameter: granule size distribution, residual solvents, thermal stability. Our experience shows that even minor fluctuations in humidity during packaging can affect clumping and consistency in application out in the field. Technicians regularly recalibrate equipment to keep flowability and dispersibility within agreed parameters for large-scale spraying operations.

    The Comparisons Others Don’t Make: Chlordecone Versus Alternatives

    Chlordecone often gets lumped into the same category as DDT, aldrin, or dieldrin. Direct side-by-side comparison, though, shows distinctive features. DDT’s mechanism sits more in neurotoxic disruption at lower concentrations, but chlordecone demonstrates broader stability, holding up longer in the soil and proving more persistent. Its slower degradation rates come at a cost—build-up remains a critical concern, particularly in high-rainfall areas.

    Operators and environmental managers need to keep in mind that despite sharing the organochlorine category, performance differences cannot be ignored. Chlordecone’s partition coefficient (Log P) is much higher, meaning it binds more to organic material in soils. This affects both how pests interact with the product and how long residues stick around. Such persistence rarely improves short-term crop yield as dramatically as naive users once thought, but it minimizes the frequency of reapplication. Those running the manufacturing side find themselves in constant discussion with users about ways to balance longevity against the risks of soil and water retention.

    Compared to non-organic alternatives, such as carbamate or neonicotinoid insecticides, chlordecone stands out for its unparalleled ability to provide multi-month coverage with a single application. That said, safety in production demands stricter process controls for chlordecone. Personnel dealing directly with raw materials and final product undertake specialized training and monitoring due to chlordecone’s high toxicity—both acute and chronic.

    Lived Realities of Production: Where Lab Data Meets Line Work

    Scaling from lab-scale synthesis to metric-ton production reveals a host of hidden challenges that get lost in the abstraction of chemical diagrams or regulatory filings. Reactant purity, humidity levels inside the facility, and weather-based fluctuations in plant temperature all show up, sometimes in subtle changes—color tone shifts, crystal habit variation, or unexpected dusting during packaging. We’ve found, through direct experience, that meeting global purity standards on a continuous basis demands in-line sensors and a willingness to pause production for recalibration, sometimes at significant cost. It pays off though because off-grade chlordecone can’t easily be reprocessed—it’s far safer to catch any mistake early.

    Adaptive maintenance systems and everyday vigilance keep quality on target: regular vacuum checks on reactors, live solvent recovery monitoring, and a robust chain-of-custody for every drum. The human element matters—teams that know the process deeply pick up on equipment changes or byproduct odors faster than any sensor array. Crews responsible for final isolation and packaging work in full protective gear, given the known risks of exposure. The bond between operational knowledge and product outcomes sets the manufacturer apart from distant middlemen.

    Environmental and Health Responsibilities: Facing the Challenges Head-On

    No one working in the chlordecone field can sidestep the lasting environmental and health debates. Standards around waste management and worker exposure only get stricter year on year, for good reason. Empirical data from sites of historic use, feedback from local communities, and scientific reviews show residue persistence in water and biological uptake lasting decades.

    Addressing these realities on the manufacturing floor means investing in closed-loop solvent systems, air scrubbers, and high-efficiency particulate filters. The process team spends significant time training alongside environmental safety staff, not to tick boxes, but because a single slip-up can have downstream effects for years. Spill response crews drill regularly, following site-specific plans developed in partnership with local authorities.

    Routine blood monitoring and exposure tracking for factory staff support early detection and intervention. Simple PPE, like gloves and filtered masks, isn’t sufficient for a material this potent: we rely on full-body chemical suits and negative-pressure clean rooms when opening or cleaning major equipment. Years of process refinement minimize fugitive release, but we continue to search for technology breakthroughs, both in emission controls and safer containment. Transparency with clients, regulators, and the public remains essential because trust builds from honest evidence, not empty assurances.

    Lessons from Decades in the Field: Evolution of Usage Patterns

    Early on, chlordecone saw widespread, high-rate application in some regions—practice born from yield pressure and limited pest control options. Since the late 1970s and 1980s, large-scale adverse environmental findings and health studies have led to major restrictions and, in many places, outright bans. Every shipment and local delivery requires not just regulatory documentation, but close dialogue with users about sustainable application methods and the real consequences of runoff and residue.

    Many old formulae focused on pure, concentrated forms, but feedback from both field service and environmental monitors pushed us to develop lower-dosage formulations and granular dispersions that minimize dust and handling risks. Collaborating with downstream researchers, we helped pilot best-practice guides to reduce both occupational exposure and non-target organism impact—shifting away from the “more is better” mindset of the past.

    A big part of sustainable manufacture now involves active support for remediation projects—offering technical advice, donating safer lab reference materials, and supporting field trials of soil amendment strategies. These aren’t marketing moves; they come from first-hand recognition that lasting legacy effects call for active engagement, not deflection.

    Scientific Transparency and the Open Questions Ahead

    The story of chlordecone remains unfinished. New analytical techniques regularly turn up fresh details about degradation products, soil transport patterns, and the movement of trace quantities in the food chain. Part of being a responsible manufacturer is keeping pace with those developments, aligning both production and customer support with the state of scientific understanding.

    Long-term field studies sponsored by public and private research organizations guide our own improvement projects. Where specific regions or cropping systems show higher persistence, we work alongside agronomists and remediation specialists to adapt both production and usage advice. Discussions about limits, safe levels, and monitoring approaches change as fresh evidence appears, and it’s on manufacturers like us to share inside knowledge where it makes a difference—reducing speculation and building common ground.

    Chlordecone in the Context of Modern Chemical Production

    Running an organochlorine line like chlordecone today requires more than mechanical know-how. Meeting modern “trust and verify” expectations means building systems to track every input and output, maintaining real-time environmental controls, and constantly reviewing workplace safety practices. The worldwide market for chlordecone has narrowed not only because of health and environmental concerns but also due to regulatory hurdles which emerge from decades of lived evidence. That history weighs heavily on those who make it—we cannot treat the material as just another item on the order sheet.

    Each lot running through the plant must be traceable to source materials, handling protocols, and recipient records. This means manufacturers serve as both the first and final line of defense against improper use, noncompliant storage, or accident-prone handling. Ongoing education for users—farmers, researchers, and industrial partners—remains just as vital as technical process improvements.

    Collaborative Solutions and Looking Beyond the Factory Gates

    The core challenge moving forward lies in redefining the place of persistent chemicals like chlordecone. Through cross-industry dialogues, public health collaborations, and shared research, possibilities have emerged for safer alternatives or tighter integrated pest management practices. Our role has shifted not just to supply, but to consultation and active listening, taking on board the lessons from those on the land, in the lab, and in regulatory offices.

    Working with clients on integrated application plans, soil monitoring, and risk mitigation helps ensure that chlordecone’s legacy problems do not repeat. For many, older approaches feel outdated because they do not account for cumulative effects—something only visible over years and through multiple cycles of harvest, testing, and feedback.

    Inside the plant, process teams push for improved catalyst recovery, energy savings, and residue scrubbing. Outside, we continue to engage in open conversations about inventory controls, safe handling, and transparent reporting. The only sustainable path for a high-impact chemical relies on placing experience at the center—acting on what real data and collective memory show, not leaning on generic claims.

    Differences That Matter: Why Manufacturer Perspective Counts

    Understanding chlordecone from the inside means grasping not just its chemistry, but its real-world footprint. Many factors shape the quality and safety of what comes out of each reactor—depth of technical expertise, commitment to evidence, and willingness to invest in improved controls. From the earliest synthetic steps through to shipment and use, manufacturers hold the responsibility for every gram produced. Our years on the line reveal that differences in purity, particle profile, or packing configuration directly affect outcomes in the field, sometimes in surprising ways.

    While traders and resellers may focus on certificates or price points, those making chlordecone day-to-day see the broader picture. Every change in regulation or customer feedback prompts close inspection of SOPs and batch records, not out of bureaucratic obligation, but a lived understanding that a misstep carries real risk. Being on the ground allows for problem-solving that goes beyond templated guidance—factoring in ambient conditions, operator feedback, and near-miss event logs no outsider ever sees.

    The Way Forward: Blending Experience with Ongoing Innovation

    Chlordecone’s future depends on continuous learning from its past. Technical adaptations, scientific openness, and proactive engagement with the community remain non-negotiable. For us, this involves practical steps—regular investment in filtration, secondary containment, waste minimization tech, and knowledge-sharing sessions with partners and stakeholders. These might not look glamorous, but they represent the backbone of responsible chemical manufacturing.

    In practice, it’s not enough to comply with requirements or provide paperwork. The change comes in daily decisions: rejecting shortcuts, investing in heightened worker safety, and offering clear, understandable advice to everyone in the supply chain. Only experience—earned in hours on the plant floor and in the field visiting application sites—equips a manufacturer to give more than a product. It gives context, guidance, and the flexibility to adapt as new evidence emerges.

    Those seeking to work with chlordecone depend on partners with honest insight. We draw on technical detail, vigilant process management, and genuine openness to change, aiming not just to supply a chemical, but to be part of the broader solution as society weighs the risks and responsibilities tied to persistent compounds. Experience-driven knowledge, shared openly, must remain central to every decision and every shipment we send out the door.

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