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Chlorocyclopentane

    • Product Name Chlorocyclopentane
    • Alias cyclopentyl chloride
    • Einecs 208-864-5
    • 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
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    Specifications

    HS Code

    396893

    Name Chlorocyclopentane
    Iupac Name Chlorocyclopentane
    Molecular Formula C5H9Cl
    Molar Mass 104.58 g/mol
    Appearance Colorless liquid
    Density 1.025 g/cm3
    Boiling Point 118-120 °C
    Melting Point -61 °C
    Flash Point 36 °C
    Refractive Index 1.452
    Solubility In Water Insoluble
    Cas Number 930-28-9

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

    Packing & Storage
    Packing Chlorocyclopentane is packaged in a 500 mL amber glass bottle, sealed with a screw cap and safety label.
    Shipping Chlorocyclopentane should be shipped in tightly sealed, clearly labeled containers made of compatible materials. It must be stored in a cool, dry, well-ventilated area, away from sources of ignition and incompatible substances. Comply with all local, national, and international transportation regulations, including labeling as a flammable and potentially hazardous chemical.
    Storage Chlorocyclopentane should be stored in a tightly sealed container in a cool, dry, and well-ventilated area away from sources of ignition, heat, and incompatible substances such as strong oxidizers. The storage area should have appropriate spill containment and be clearly labeled. Protect from direct sunlight and moisture. Personal protective equipment is recommended when handling the chemical to avoid exposure.
    Application of Chlorocyclopentane

    Applications of Chlorocyclopentane in Industrial Manufacturing

    Chlorocyclopentane serves as a specialized chemical intermediate in several downstream industrial sectors. Our production adheres strictly to quality protocols, ensuring performance and regulatory compliance across all intended applications. The following sections describe prominent use cases in various manufacturing chains, detailing compliance requirements, recommended formulation ratios, processing methods, and the nature of resulting end products.

    1. Agrochemical Active Ingredient Synthesis

    Chlorocyclopentane acts as a key intermediate for selective synthetic pathways in the production of certain herbicides and fungicides. Our bulk material is used at the stage of structural ring functionalization and chlorination reactions before coupling with additional agrochemical actives. Integrated manufacturing lines require close attention to by-product control and batch-to-batch reproducibility, making quality control at this stage essential. This chemical input supports scalable production of several commercial crop protection agents with high downstream demand in regulated agricultural markets.

    Industry compliance standards

    • REACH Annex II (for intermediates in agrochemical synthesis)
    • US EPA TSCA listing requirements
    • China GB 2763 (Maximum Residue Limits relevant to process residues)
    • FAO/WHO Joint Meeting on Pesticide Specifications (JMPS) reference purity standards

    Typical usage ratio

    • 5-15% of total reaction mass, adjusted by reaction stoichiometry and targeted yield efficiency for various agrochemical molecules

    Downstream process integration

    • Initiates halogenation and cyclization sequence in the synthesis block after raw solvent charge and pH adjustment
    • Direct addition to reactor under inert atmosphere
    • Intermediate isolation prior to downstream oxidative coupling
    • Segregated storage for final post-synthesis purification and quality checks

    Final product types

    • Selective pre-emergent herbicides
    • Systemic fungicides for rice and wheat
    • Intermediate concentrates for export formulation
    • Granular and SC (Suspension Concentrate) pesticide formulations

    2. Pharmaceutical Intermediate Manufacturing

    Pharmaceutical plants utilize chlorocyclopentane for targeted alkylation, cyclization, and ring expansion reactions in API (Active Pharmaceutical Ingredient) synthesis. The chemical’s structural features favor cyclized frameworks for nerve agents antagonists and cardiovascular drugs. Stringent documentation and batch traceability requirements govern storage and process integration to ensure compliance with global pharmacopoeial benchmarks for trace impurity levels and stability.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice (GMP) for Active Pharmaceutical Ingredients
    • USP/NF monograph guidelines for reagents and process chemical purity
    • European Pharmacopoeia (EP) reference impurity thresholds
    • US FDA 21 CFR Part 210–211 (cGMP for finished pharmaceuticals)

    Typical usage ratio

    • 2-8% of the overall synthesis batch, ratio set by molecular structure of target API and desired final yield

    Downstream process integration

    • Introduced at ring-formation or intermediate stage in multi-step API production
    • Continuous monitoring and sampling at critical control points
    • Immediate transfer to containment for residual solvent purge
    • QC verification before crystallization or salt formation

    Final product types

    • Cyclopentane-based drug precursors
    • Antihypertensive bulk actives
    • Central nervous system agent APIs
    • Pharmaceutical-grade intermediates for regional licensing

    3. Specialty Polymer and Resin Modification

    In polymer chemistry, chlorocyclopentane functions as a reactive modifier for synthesizing specialty resins and engineering polymers. Manufacturers favor its controlled ring structure for introducing chloro functionality in high-performance copolymer chains. Integration occurs during copolymerization steps to impart improved thermal stability, chemical resistance, and tunable hardness to resins. Downstream applications span automotive, electronic encapsulant, and construction material production, where mechanical and chemical specifications demand precise monomer ratios.

    Industry compliance standards

    • ISO 9001:2015 (Quality management for chemical manufacturing)
    • ASTM D256 (Polymer impact strength standard)
    • UL 94 (Plastic flammability standard for electrical applications)
    • RoHS Directive 2011/65/EU (Restriction on hazardous substances in electrical applications)

    Typical usage ratio

    • 1-6% of monomer feed, depending on required functionality and target polymer architecture

    Downstream process integration

    • Incorporated during bulk monomer addition or as a post-polymerization grafting agent
    • Dosed by gravimetric or volumetric metering in closed loop control
    • Followed by copolymerization under temperature-controlled conditions
    • Physical blending with base resins before extrusion, molding, or curing stages

    Final product types

    • High-performance thermoset coatings
    • Polymer modifiers for durable engineering plastics
    • EMC (Epoxy Molding Compound) for microelectronics
    • Construction adhesives and sealants for corrosive environments

    4. Organic Electronics and Electronic Chemical Synthesis

    In the electronics sector, chlorocyclopentane supports synthesis of high-purity functionalized cyclopentane derivatives integral to organic semiconductors and dielectric materials. Manufacturers use it as a halogen source for specialty intermediates processed under strict impurity control, crucial for device yield. Formulation ratios and purification levels directly impact subsequent performance in OLED panels, flexible displays, and microelectronic encapsulation systems, making traceability and cleaning protocol validation essential at all steps.

    Industry compliance standards

    • JEITA ET-7304 (Japanese standard for electronic chemical purity)
    • IPC-4101B (Laminates and prepregs for high-performance PCBs)
    • IEC 61249-2-7 (Halogen-free laminate materials)
    • SEMATECH purity grade protocols for process chemicals

    Typical usage ratio

    • 0.5-4% of formulation mass, fine-tuned to molecular electronic material synthesis requirements

    Downstream process integration

    • Added at aryl functionalization step in organic semiconductor precursor synthesis
    • Purified by distillation and phase extraction before final blending
    • Integrated with host materials prior to deposition or lamination
    • End-point cleaning to meet semiconductor device contamination thresholds

    Final product types

    • OLED conductive inks
    • Flexible circuit encapsulants
    • Halogenated dielectric layers for thin-film transistors (TFT)
    • Microelectronic chemical intermediates

    5. Industrial Solvent Blending for Reaction Media

    Chlorocyclopentane serves as a functional medium and process solvent in selected halogenation, alkylation, or related organic synthesis units. Its specific volatility and solvent power provide advantages in extraction processes, phase transfer catalysis, and medium-polarity organic reactions. Precise control of its proportion prevents side-reactions and enables efficient separation of desired product streams in multi-stage batch operations, meeting stringent purity and safety standards for industrial chemical synthesis equipment.

    Industry compliance standards

    • OSHA 29 CFR 1910.1200 (Hazard Communication Standard for solvents)
    • EC Regulation 1272/2008 (CLP, Classification, Labelling and Packaging of Substances)
    • ISO 14001:2015 (Environmental management for handling and disposal)
    • NFPA 30 (Flammable and Combustible Liquids Code)

    Typical usage ratio

    • 3-12% of total reaction solvent blend, subject to volatility, extraction selectivity, and recovery requirements of individual processes

    Downstream process integration

    • Mixed with co-solvents at pre-reaction charging phase
    • Temperature-controlled dosing via jacketed vessels
    • Separation post-reaction by fractional distillation or solvent recycling units
    • QC analysis for residuals before transition to subsequent synthesis or packaging operations

    Final product types

    • Purified specialty chemicals
    • Custom organic intermediates for downstream syntheses
    • Reaction media blends for contract synthesis clients
    • Fine chemical products for export
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    Certification & Compliance
    More Introduction

    Chlorocyclopentane: A Reliable Building Block for Modern Chemistry

    Every year, technology pushes deeper into fields where precision matters. Chemicals like chlorocyclopentane make this progress possible by connecting ideas to practical results. In our plant, we've refined the process to deliver a product with reliable purity and steady performance. People in labs, factories, and industrial synthesis count on raw materials that do not introduce added headaches into their workflow. Chlorocyclopentane delivers because it stays consistent from one drum to the next. That reliability comes by listening to the needs of formulators and device makers over decades, rather than following shifting trends or novelty approaches.

    We produce chlorocyclopentane with a direct understanding of what downstream users face every day. It’s not just about molecules; it’s about what happens when they interact with environments, catalysts, and human teams. This chemical, a monochloro derivative of cyclopentane, fills a gap where straightforward ring functionalization matters. Teams in our production plant take each step—chlorination, purification, containment—seriously, because we know what one small off-spec batch can do to a program or large-scale campaign. Our main lot, known under the model name CHP-104, features a boiled-down manufacturing story: minimalist reaction steps streamline trace byproducts. Operators track each batch not by shortcuts, but by thorough checkpoints in chromatography, water content, and halogen index. These practical controls translate into fewer surprises when the product enters someone else's reactor.

    On the floor, there’s a saying: the best intermediate just disappears into synthesis, does not draw attention. Chlorocyclopentane proves that every day in surfactant factories, specialty solvent blending, and pharmaceutical R&D. As a manufacturer, we've watched researchers launch drug scaffold projects starting from a simple five-carbon ring. The chloro handle lets chemists open the door to nucleophilic substitution, ring expansions, and other clever routes, often with fewer side reactions than more activated halocarbons. Some groups use it to make new flavors of agricultural ingredients, others to introduce reactivity in materials that need a predictable alkyl backbone. What gets overlooked sometimes is how having fewer aromatic impurities means less cleanup, waste charge, and regulatory risk once a process goes downstream.

    Global demand changes slowly for such a staple, but recent years showed us how important it is to deliver on time. Weather, supply chain shocks, or geopolitical events tug at material flows. Instead of buying from a distant broker, researchers call up domestic manufacturers like us to keep pilot lines or continuous reactors running. We adjusted plant scheduling, moved to in-house drum testing, and swapped to more secure cap-and-seal technology. These changes came out of real conversations with formulators handling sensitive applications—from pharma to advanced adhesives. Each person working with chlorocyclopentane knows that a tiny difference in water or chlorine content can shift a downstream reaction. Consistency does not come from paperwork, but from people who understand why it’s critical.

    Users should not need pages of ancillary stabilizers to compensate for poorly controlled production. Our approach has always been to keep secondary treatments low. Instead, we tune the process using actual hands-on analytics. Gas chromatographs, Karl Fischer moisture titrations, and human sensory checks start early in production runs, not as afterthoughts. Over many cycles, the knowledge of which batches show slight off-notes gets passed around. This organic transfer of what works and what doesn’t form the real quality assurance—a type of internal peer review that can’t be replaced by certifications alone. The end result? Fewer rework requests, lower reject rates downstream, and a streamlining effect for anyone scaling up from bench to pilot stage.

    Product Model and Specifications—A Living Standard

    The main run known as CHP-104 embodies the current generation of our capabilities with chlorocyclopentane. Our technical team sticks with specifications that matter most to the experts using the product every week: purity by GC greater than 98.5 percent, minimal residual solvents, and a focus on batch-to-batch reproducibility. Every unit passes a visual clarity test—it has to remain colorless and avoid clouding, otherwise the reaction teams upstream flag it before acceptance. We target a density at 20°C between 1.03 and 1.04 g/cm³, and check that the boiling point (117–120°C) falls within the expected window so users working under reflux conditions manage process control safely.

    We’ve received steady feedback that engineers tolerate a narrow water range—so each lot receives a final moisture check, aiming for less than 0.1% by weight. For many process chemists, trace halide contamination signals sloppy process transfer; nothing gets packed before specific halogen index readings are confirmed. This all happens on the actual plant floor, not in some removed testing lab, which means any deviation triggers a full lot hold. Teams handling chlorocyclopentane in closed environments appreciate this; a reliable index helps prevent accidental corrosion or unexpected side reactions in sealed vessels. The team avoids packing any drum until a random final draw passes the same tests a customer will use in their own QC.

    Physical packaging matters because nobody wants a delivery that wastes more time in transfer than it saves in chemistry. We adopted high-density polyethylene drums for typical 200 kg shipments, since that better resists wall permeation. For customers running continual flow systems or frequent batch top-offs, we also supply smaller containers (20 kg), sealed and cured the same way as the large format. Each drum receives a lot code tied to a central tracking database, which includes retention of a stability sample for up to three years. It’s not paperwork for compliance sake—it means real answers for any question down the road, whether it’s about an ancient tank sample or a product from last Tuesday.

    Usage in Syntheses—Why Industry Relies on Chlorocyclopentane

    Plants and R&D teams use chlorocyclopentane not for novelty, but for reliable chemistry. People in the business of manufacturing active intermediates or functionalizing small rings look at three things: reaction yield, side product profile, and operational safety. Our product, with its single chlorine atom attached to a cyclopentane ring, permits elegant substitutions—using straightforward nucleophiles, amidation agents, or organometallic coupling partners. Over the years, we’ve seen increased demand from custom manufacturers looking to avoid aromatic chlorides, as regulatory scrutiny rises around persistent pollutants. Cyclopentane derivatives offer a path to saturated ring chemistry, reducing the formation of unwanted byproducts sometimes seen with aromatic alternatives.

    What makes our chlorocyclopentane stand out for process chemists is the predictable response to standard work-up protocols. In acid-catalyzed substitution or selective reduction steps, the limited reactivity spectrum of the monochloro derivative means fewer scrambling reactions and less waste disposal. This lowers operating expense over long campaigns. Manufacturers building advanced surfactants or custom flavors take advantage of the five-carbon ring's compactness, using it as a “stepping stone” toward more complex ring assemblies. No exotic conditions are required—users can run established reactions under typical conditions, often without special purification steps at the end.

    We have watched how new users sometimes ask about the difference between chlorocyclopentane and other straight-chain or aromatic chlorinated solvents. The payoff is most visible at scale—cyclopentane’s ring handles heat stress, avoids coking under ordinary reflux, and resists air oxidation. Compared to linear chlorinated alkanes, it does not leave behind brittle residues or polymers. In competitive studies, our product has shown lower volatility during storage compared to similar mass haloalkanes, reducing both loss rates and off-gassing in tightly sealed facilities. That practical stability does more than lower costs; it raises worker safety, since hazardous vapors and leaks often take place unnoticed with less stable materials.

    For clients working under good manufacturing practice or strict regulatory controls, documentation often becomes as important as the actual chemistry. We support these teams not by dumping abstract safety data, but by tracking each drum against plant logs, shipment manifests, and retained split samples. If an issue arises—an out-of-range GC area, a bottle cap manufacturing defect—it’s possible to lock down the root cause before anyone faces process interruptions. Stewardship goes beyond compliance here. It’s about protecting whole projects scheduled months in advance and keeping the broader chemical ecosystem free of unplanned surprises.

    Points of Difference from Competing Products

    Chemistry is not a one-size-fits-all business, and we’ve learned over years that our clients compare products both by hard numbers and by the experience of working with them. The clearest difference between our chlorocyclopentane and cheaper aromatic or branched chlorinated hydrocarbons lies in final performance within downstream reactions. Aromatic chlorides have their place, especially in materials targeting thermal or photochemical stability, but they introduce risks in hydrogenation cycles and regulatory reviews. Our saturated ring backbone reduces these concerns, so the focus remains on the intended synthetic step.

    People often debate between cyclopentane-based and cyclohexane-based halides. Both offer useful reactivity, but the five-membered ring balances volatility and solubility in mixed media. Tests from our partners show that cyclopentane derivatives mix cleanly into non-polar and modestly polar systems. Teams have reported easier phase separations and lower cross-contamination when switching from typical C6 derivatives to our product. From an operational perspective, the boiling point of chlorocyclopentane means standard condenser equipment is all that’s needed—no need for exotic cooling loops or vacuum distillations just to recover product or purify intermediates.

    Supply chain reliability cannot be built overnight. By controlling each step—chlorination feedstock, plant utilities, drum sanitation, analytical milestones—we guarantee less downtime and fewer out-of-spec shipments. In the past, we’ve seen disasters from poorly packed halocarbons: cracked drums, leaky caps, labels that vanish after a minor solvent spill. Experience convinced us to build a chain of custody from initial reactor all the way to the recipient’s storeroom. If someone calls with a concern, there are no generic hotlines or distant intermediaries; answers come from the plant team who packed it originally. We treat every batch as a reference, not a commodity, since reputation underpins repeat business far more than price.

    Users care about disposal and impact. Our team works with partners to keep dichloride, trichloride, and mixed halide byproducts below regulatory thresholds, cutting down on hazardous waste processing and documentation workload. We learned this after seeing how rising scrutiny on halogenated side products can slow process approvals. The backbone of our approach is built on practical chemistry—simplify the reaction profile, minimize off-target reactivity, and give end users a product that doesn’t let them down across variations in scale, equipment, or analytical method. Every day, new feedback helps us refine these controls a bit further, and every batch shipped provides another chance to prove our consistency.

    Supporting Progress Through Consistency

    Every manufacturer faces a choice: target the broadest possible market, diluting focus, or double down on the details that make a handful of products indispensable. We chose the latter, prioritizing the unglamorous side of chemical production—tight monitoring, root-cause analysis, strong process memory, and listening to the scientists who actually turn theory into product. For chlorocyclopentane, that means every lot is more than a formula; it’s part of a larger supply web built on trust, careful stewardship, and a refusal to compromise.

    The feedback we get comes just as much from mistakes as from what works. Once, we shipped a batch with slightly off-standard halide numbers. Our client caught it within hours, and the team retraced every step. The answer lay not with faulty raw materials but with a minor process temperature dip on a night shift. That led to updated SOPs, preventive maintenance targets, and a cross-team review every quarter. It’s a reminder that, in chemical manufacturing, the margin for error shrinks as requirements grow. Small details matter. Nobody running a multi-ton blending line wants “close enough” when it comes to critical intermediates. Our goal is to make chlorocyclopentane the least of a user’s worries—simple in application, invisible to workflow, scalably fit for purpose.

    Markets may change, and applications may evolve, but the commitment stays the same. By paying attention to the real-world needs of users, maintaining disciplined plant operations, and adopting practical innovations, we keep chlorocyclopentane a quietly robust workhorse in the world of chemical synthesis. As the landscape shifts—environmental pressures, supply disruptions, evolving applications—our approach adapts, but the core promise stands: deliver quality, answer to engineers and chemists, and never cut corners or hide problems under paperwork. That’s how trust grows, one batch and one conversation at a time.