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Sodium Cyclopentadienide

    • Product Name Sodium Cyclopentadienide
    • Alias NaCp
    • Einecs 215-214-0
    • 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

    851369

    Chemical Name Sodium Cyclopentadienide
    Chemical Formula NaC5H5
    Molecular Weight 88.07 g/mol
    Cas Number 14044-16-5
    Appearance White or colorless solid
    Melting Point Around 250 °C (decomposes)
    Solubility In Water Reacts with water
    Density 1.07 g/cm³
    Sensitivity Air and moisture sensitive
    Odor Characteristic, unpleasant
    Storage Condition Inert atmosphere, dry, cool place
    Synonyms Sodium pentadienyl, Sodium cyclopenta-1,3-diene-1-ide
    Boiling Point Decomposes before boiling
    Reactivity Strong base, nucleophile

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

    Packing & Storage
    Packing Sodium Cyclopentadienide, 25 grams, is packaged in a sealed glass bottle within a protective metal can, under inert atmosphere.
    Shipping **Sodium Cyclopentadienide** is shipped as a solid under inert atmosphere, typically in sealed containers or ampoules to prevent air and moisture exposure. Classified as a flammable solid (UN 1325), it requires labeling, secondary containment, and compliant documentation. Shipping must adhere strictly to regulations (such as DOT, IATA, or IMDG) for hazardous materials.
    Storage Sodium Cyclopentadienide should be stored under an inert atmosphere, such as nitrogen or argon, to prevent reaction with air or moisture. Keep it in tightly sealed containers made of compatible materials, away from acids, oxidizers, and water. Store in a cool, dry, and well-ventilated area, preferably in a desiccator or glovebox, and protect from light and heat sources.
    Application of Sodium Cyclopentadienide

    Applications of Sodium Cyclopentadienide in Industrial Manufacturing

    Sodium Cyclopentadienide serves as a vital organometallic intermediate and catalyst component across several advanced chemical sectors. Our manufacturing process supports consistent quality for demanding technical requirements, ensuring compatibility with regulated downstream processes. The following sections outline specific real-world industrial applications, with a focus on process details, regulatory considerations, and integration into final product manufacturing.

    1. Catalyst Precursor for Metallocene Polymerization

    Sodium Cyclopentadienide is used as a key reactant in the synthesis of metallocene complexes, including zirconocene and titanocene dichloride, for use in olefin polymerization catalyst systems. Major polymer manufacturers utilize its high reactivity to prepare cyclopentadienyl-metal compounds, which are subsequently immobilized on silica supports or employed in solution-phase catalysis. Its purity and low sodium residue profile are critical to consistent catalyst activity and polymer microstructure. Production lines benefit from direct input in in-situ and preformed catalyst processes, ultimately determining molecular weight and copolymer sequence distribution in the final material.

    Industry compliance standards

    • ISO 9001:2015 Quality Management for chemical production
    • REACH (EC 1907/2006) registration for import and use in the EU
    • US EPA, TSCA-listed organometallics for polymer applications
    • ASTM D789-17 for polyolefin polymerization feedstock controls

    Typical usage ratio

    • 1.05–1.25 molar equivalents based on metal halide reagent; excess depends on degree of sodium scavenging required

    Downstream process integration

    • Fed into stirred tank reactors for metallocene complex formation before catalyst activation
    • In-line filtration used to remove NaCl byproduct prior to final catalyst formulation
    • Direct transfer to polymerization reactors or support impregnation units

    Final product types

    • Metallocene polyethylene (mPE)
    • Metallocene polypropylene (mPP)
    • Specialty elastomers and copolymers
    • Packaging films and high-performance plastics

    2. Organometallic Synthesis in Fine Chemical Manufacturing

    Our material is widely adopted by contract and in-house fine chemical manufacturers for building transition metal complexes and functional organics. Its function as a cyclopentadienyl anion source enables the assembly of ferrocene and other sandwich compounds, frequently used in pharmaceuticals, asymmetric catalysis, ligands, and organic electronics. Consistent sodium balance is critical for reaction control, especially where stoichiometry impacts downstream purity and color specifications. Processes generally take place in inert atmospheres using high-shear batch reactors with sequence-controlled addition to minimize excess base and manage heat evolution.

    Industry compliance standards

    • Current Good Manufacturing Practices (cGMPs, 21 CFR Parts 210–211) for pharma intermediates
    • IPEC-PQG GMP Guide for pharmaceutical excipient manufacturing
    • ISO 14001:2015 for environmental controls in fine chemical production
    • REACH Annex IV exemption checks for research intermediates

    Typical usage ratio

    • 1.00–1.10 molar equivalents relative to metal halides or protonated ligand precursors; adjusted based on substrate reactivity and scale

    Downstream process integration

    • Added post-solvent charge under nitrogen purge for nucleophilic introduction to reaction mixture
    • Utilized in single-pot or telescoped sequences, feeding directly to metal complexation stages
    • Solvent/trace base removal steps follow for GMP compliance and trace sodium minimization

    Final product types

    • Ferrocene and substituted metallocenes
    • Palladium and rhodium cyclopentadienyl complexes for coupling catalysis
    • Catalyst ligands for API synthesis
    • Advanced intermediates for OLED and electronic materials

    3. Synthesis of Functional Materials for Electronics

    Manufacturers of electronic chemicals and materials incorporate sodium cyclopentadienide in the synthesis of organometallic compounds for use as precursors in thin-film deposition and molecular electronics. These processes demand ultra-low levels of trace metallic impurities and water content. The material is typically dosed in gloveboxes or automated moisture-controlled lines to ensure consistency during metallocene formation, key for semiconductor precursor purity and deposition behavior. Industrial deployment includes both batch and continuous processes, with strict in-process control and downstream filtration before use in atomic layer deposition (ALD) and chemical vapor deposition (CVD).

    Industry compliance standards

    • SEMI C93 for chemicals used in electronics manufacturing
    • ISO 14644 for cleanroom compatibility
    • IPC-4101 for base materials in PCBs (where applicable)
    • RoHS Directive 2011/65/EU for material safety compliance

    Typical usage ratio

    • 1.00–1.12 molar equivalents with fine adjustment based on target material purity and film thickness requirements

    Downstream process integration

    • Inserted at the organometallic precursor synthesis stage, prior to purification for ALD/CVD feedstock
    • In-line sodium and particulate monitoring for purity assurance
    • Subsequent vacuum transfer to thin-film deposition lines

    Final product types

    • Cyclopentadienyl-based ALD/CVD precursors for semiconductors
    • Organometallics for advanced OLED displays
    • Thin-film materials for photovoltaic cells
    • Specialty coatings for microelectronic devices

    4. Intermediate in Agrochemical Active Ingredient Synthesis

    Chemical plants producing crop protection agents utilize sodium cyclopentadienide for constructing ring-modified intermediates used in active ingredient synthesis for insecticides and fungicides. Its nucleophilic nature assists in stepwise alkylation and acylation reactions under controlled temperature and pressure. To meet regulatory traceability and minimize environmental impact, production lines rely on complete reaction monitoring and effective waste management. Material traceability is built into batch records and audit trails for intermediates incorporated into regulated pesticides.

    Industry compliance standards

    • FAO/WHO Specifications for Pesticide Production and Quality
    • ISO 9001:2015 for agrochemical manufacturing
    • EU Regulation (EC) No 1107/2009 for PPP active substances
    • GLP (Good Laboratory Practice, OECD) for developmental studies

    Typical usage ratio

    • 0.95–1.08 equivalents, tuned for reaction completion and byproduct minimization, with batch controls based on HPLC assay

    Downstream process integration

    • Dosed during the cyclopentadienyl functionalization step of active ingredient synthesis
    • Followed by quenching and phase separation
    • Process waste treated for sodium salts disposal under environmental management systems

    Final product types

    • Cyclopentadienyl-based pesticide intermediates
    • Patented insecticidal and fungicidal APIs for formulation
    • Bulk technical concentrate for insecticide production
    • Chemical building blocks for further active substance development

    5. Laboratory Standardization and Reagent Preparation

    Institutional and industrial R&D laboratories frequently specify sodium cyclopentadienide for the preparation of analytical standards, titration reagents, and test compounds. Its rapid reaction with common transition metal halides supports methodological reproducibility in organometallic calibration routines and synthetic protocol validation. Material supplied to laboratory settings undergoes expanded QC, including ICP-MS elemental trace analysis and controlled moisture packaging, to preserve reactivity and accuracy for advanced research and development workflows.

    Industry compliance standards

    • ISO/IEC 17025 for analytical laboratory competence
    • GLP compliance for preclinical research chemicals
    • ASTM E2888-19 for trace analysis reagent standards
    • REACH preregistration for laboratory use exemption

    Typical usage ratio

    • Stoichiometric addition of 1.00–1.02 equivalents for standard solution and reference material preparation, with excess strictly avoided to maintain protocol definitions

    Downstream process integration

    • Dispensed under inert atmosphere or dry box conditions as a primary reagent for organometallic synthesis
    • Incorporated directly into calibration and method validation procedures
    • Residual sodium accounted for in blank and spiked sample controls

    Final product types

    • Certified reference materials for spectroscopic calibration
    • Organometallic reagent kits
    • Analytical test compounds for academic and industrial research
    • Custom standards for trace metal analysis
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    Certification & Compliance
    More Introduction

    Sodium Cyclopentadienide: Practical Solutions from the Manufacturer’s Perspective

    Introduction to Sodium Cyclopentadienide

    Every day in our plant, barrels of raw materials arrive for synthesis, but among the shelves, Sodium Cyclopentadienide always captures special attention. We produce this organometallic compound to support research and industry, both as a powerful reagent and as a niche building block, especially for those working on metallocene chemistry and advanced materials. Its recognizable orange hue and fine powder texture have marked our shipping lines for years. For facilities and labs that require absolute reliability in their synthetic steps, this product finds a regular spot in the inventory. The production line, monitored from start to finish, gives us full control over its purity and batch characteristics, which are fundamental for users pushing boundaries in fields like catalysis or polymer synthesis.

    On the shop floor, it’s obvious that not all sodium cyclopentadienide is prepared equally. This isn’t a commodity chemical thrown together and sold off by weight. Instead, many years in manufacturing have taught that quality here translates directly into laboratory and industrial success. From our own reactors to the feedback we get from technical partners, we’ve seen how critical aspects — such as sodium content, water/oxygen levels, and particle dispersion — can make or break an experiment or process.

    Model and Specifications that Matter in Daily Operations

    We prepare Sodium Cyclopentadienide under tightly managed conditions, aiming for a reagent-grade material. Our focus always lands on consistent appearance (fine pale orange powder or hexane solution), minimal residual sodium, comprehensive exclusion of moisture, and storage under argon. The most sought model by our research partners remains the solid powder (C5H5Na), packed under inert conditions. We also offer hexane-based solutions on made-to-order basis, since we know some labs appreciate extra convenience for direct use in glovebox or Schlenk line settings.

    From a manufacturer’s viewpoint, keeping water out makes or breaks this product — the compound reacts vigorously with moisture and oxygen, often leading to hydrolysis and unreliable performance. That’s why the final containers—whether 25 grams or 500 grams—undergo strict argon backfilling before sealing. Typical purities easily exceed 98%, confirmed with NMR and elemental analysis for each lot, and we’re always monitoring for traces of metallic sodium or unwanted byproducts. Unlike older methodologies, our process avoids heavy excess sodium and old-fashioned solvents, resulting in less residue and waste downstream for anybody using this material in scale-ups.

    Using Sodium Cyclopentadienide in Synthesis and Industry

    From years of hands-on experience, most of our Sodium Cyclopentadienide shipments go to organometallic labs and catalyst makers. Chemists know its unique role — it delivers cyclopentadienyl anions for making sandwich compounds, such as ferrocene and other metallocenes. Once it arrives, researchers typically transfer it inside a glovebox or use air-free techniques to avoid spoilage. It’s common to dissolve the powder in THF or hydrocarbon solvents, preparing it for reaction with various metal salts.

    We have witnessed the growing need for this compound in production-grade runs for specialty catalysts. For example, polymerization industries tackling specialty polyolefins rely on strict batch-to-batch quality in complexation reactions, where metal precursor and sodium cyclopentadienide must react cleanly to prevent side products. In organometallic research, the convenience of receiving it already in solution streamlines workflow, letting scientists skip the time-consuming preliminary dissolution step, preserve time, and ensure each addition is predictable and repeatable.

    What Sets Our Sodium Cyclopentadienide Apart from Other Products

    It’s not enough to claim reagent-grade material; the reality of manufacturing calls for practical differences. Our synthetic route ensures tight control of stoichiometry and contamination risk. Each batch features minimal sodium residue — critical for metal complex synthesis, since sodium ions interfere with many catalytic cycles or encourage precipitation. The consistent orange colouring comes from a clean, side-reaction-free process using high-purity cyclopentadiene under argon. Instead of inefficient batchwise quenching and variable yields, we invested in flow reactors and temperature-controlled systems, delivering tighter batch reproducibility and a safer workplace.

    Several intervals in scale-up showed us the value of batch-to-batch homogeneity. Academic and corporate clients shared their headaches with variable material from traders: dark powders, uneven particle size, occasional black sodium metal inclusions. Those are not minor issues — a stray pinch of metallic sodium or an impure blend wrecks glovebox atmospheres, clogs filtration setups, or causes uncontrolled exotherms. Our efforts concentrate on eliminating these headaches. Every container ships with a certificate showing its NMR trace and full moisture analysis. They can check it themselves, but most return to us knowing the product behaves as expected every time.

    Some competitors use sodium metal from bulk stocks or cyclopentadiene stabilized via long-term storage, but our supply chain controls access to freshly cracked material and high-activity sodium. As the manufacturer, we don’t just passively receive these supplies: we select, verify, and test everything in-house so the downstream product matches published literature reactivity and purity profiles. Chemists have seen the difference. In synthesis, a sluggish or contaminated batch results in lower yields, higher separation costs, or outright project delays. We catch these issues at the source, not after the customer spends weeks trouble-shooting.

    Safety and Responsible Handling Focus

    Anybody who has spent time in a synthetic chemistry environment knows the dangers that accompany reactive organometallics. Sodium Cyclopentadienide is no exception. Our perspective as a manufacturer builds crucial safety knowledge from multiple angles. Workers in our facilities, having gained deep familiarity with the compound, implement airtight lines, explosion panels around reactors, and ongoing air quality checks wherever this material is handled. All packaging reflects practical handling: HDPE jars, tamper-evident seals, and inner argon bags are standard for each unit out the door.

    Technical briefings teach every recipient to use this compound under argon or dry nitrogen only, and to keep water and acids far away from any use site. Most research customers use Schlenk lines or gloveboxes, but for education or pilot plants, we offer in-depth operational reference notes summarizing our best practices for storage, weighing, and disposal. We have case studies showing that following such details translates into consistent yields, minimizes workplace hazards, and protects facilities from air-reactive incidents.

    Applications and Real-World Examples

    Sodium Cyclopentadienide goes beyond the academic realm — over the last decade, industrial partners have demonstrated its impact in building high-value transition metal complexes crucial for both homogeneous and heterogeneous catalysis. Polymerization catalysts created with it underpin specialized plastics deviating from commodity polyethylene or polypropylene. Others find use in fine chemical manufacturing, where the selectivity offered by customized organometallics enables cleaner, faster processes for pharmaceutical intermediates.

    In teaching environments, this reagent demonstrates core principles of air-sensitive chemistry. Students and professors practicing glovebox technique or air-free synthesis often practice with sodium cyclopentadienide because of its relatively predictable behavior and sharp color changes on degradation. Such features make it easier to visualize both success and error in real time, supporting hands-on education about both the art and risk management of reactive chemistry.

    Through partnerships with research institutes, we’ve witnessed the birth of new catalysts, improved ligand frameworks, and innovative reaction mechanisms, all built from this original starting material. Research publications often mention our batch numbers, linking the visible quality of the starting material with reproducible, peer-reviewed performance. Those stories carry through to commercial partners bringing advanced polymers or clean catalysts to market, amplifying the impact far beyond the initial shipment.

    Common Issues and Solutions in Handling or Use

    In our technical support calls, several mistakes crop up again and again — mishandling the container in air, insufficient drying of solvents, and accidental addition of excess sodium. Years of troubleshooting have led us to refine our user guides and, more importantly, modify our product’s packaging and supporting materials. We mark lot numbers on every jar alongside storage recommendations, so lab managers can quickly track inventory freshness and prioritize newer or higher-purity lots for the most demanding reactions.

    A major issue occurs when users underestimate solvent dryness. Even a slight water content in THF or diethyl ether can cause noticeable color loss or particle clumping, sometimes invisible until a synthesis fails. That’s why we include reminders in all shipping documents: check and recheck solvent preparation prior to reagent dissolution. In some cases, labs have replaced standard solvent drying setups after comparing side-by-side results from less controlled methods. On our end, feedback loops with end users allowed us to further tighten our own final wash and packing steps.

    Another recurring concern involves waste handling and post-reaction residue. Sodium Cyclopentadienide breaks down quickly in the presence of acidic or moist waste streams, producing sodium salts and releasing cyclopentadiene vapors. The smells and potential pressure build-up in tightly closed waste containers have motivated us to share detailed waste protocol guides. Safe quenching procedures, staged waste transfer, and proper venting ensure the material’s benefits come without downstream hazards. Our safety consultants help site managers set up route-specific disposal, accounting for local laws and real-world workflows learned from our own facility experience.

    How Consistency and Trust Affect Advanced Research and Scale-Up

    As the original manufacturing source, our long-term customers repeatedly tell us that control over the entire life cycle — from raw material purchase to shipping — matters deeply. Returning clients include both large-scale manufacturers scaling up new polymer catalysts and academic groups chasing a single, unambiguous data point for publication. Consistency is the glue holding this routine together. If one shipment deviates, even by small margins, process optimization can be derailed, batch records thrown into question, and costly rework required.

    A culture built on direct feedback and open access to lot histories keeps us alert to subtle trends. If a researcher abroad notes a change in solubility or unexpected byproduct formation, we don’t defer to generic responses. Checks on synthetic records, sample retention, and rigorous in-house replication anchor our troubleshooting chain. It’s common to reference a five-year old production lot, pull a retained sample, and reproduce the synthesis based on customer notes, not just generic technical sheets.

    It’s not a luxury; it’s necessary to maintain this standard. Many academic and development-scale industries cannot risk starting scale-up with questionable intermediates. By covering every aspect — from sourcing cyclopentadiene and sodium to shipping logistics and after-sale support — this in-house capability ensures users can focus on innovation instead of preventable material setbacks.

    Feedback-Driven Improvement and the Road Forward

    Chemical manufacturing is a field that thrives on iteration and honest reflection. Every improvement stems from repeated hands-on process adjustments. Over the years, both internal audits and direct user comments have prompted subtle but impactful changes in sodium cyclopentadienide production. For instance, fortifying quality checks before sealing packaging, updating our training protocols, or spinning up a rapid test kit for solvent compatibility — these all responded to real incidents in the field.

    We don’t rely on distant brokers or outsourced packing. Our own team, whether on night shift or running quality control instruments, holds direct responsibility for every batch and customer-facing shipment. Updating our production protocols in response to a rash of broken seals in winter shipping, or expanding our shipment options for glovebox-only users, demonstrates this clarity of purpose.

    We record suggestions and recurrent issues in a central log reviewed each cycle, with active input from chemical engineers, QC chemists, and logistics coordinators. Our stance—never settle for just-acceptable—redefines our reliability with each new batch sent out. We listen as much as we instruct, with a focus on building confidence across disciplines, application horizons, and risk tolerances.

    Environmental and Regulatory Considerations

    Regulations and safety guidance continue to evolve worldwide; keeping up means tracking both the letter and the intent of best practices. Our experience working in multiple regulatory landscapes has taught us that full transparency in manufacturing and traceability of inputs provides not only peace of mind but also actual compliance when practices are audited. We maintain records for each batch, including full chemical traceability and handling logs, so any regulatory check links smoothly from raw material to finished unit.

    On waste and environmental impact, we have restructured facilities to minimize solvent emissions and sodium handling risks. Filtration byproducts and off-gas lines pass through capture systems that neutralize reactive vapors and recover solvents for recycling. This approach didn’t spring forth from textbook advice but from lived experience — minor solvent releases, unexpected reactivity, and environmental audits prompted us to improve our in-house controls. Regulatory expectations may shift, but holding ourselves to this standard ensures our product maintains a place in modern, responsible chemistry.

    Final Thoughts from the Production Floor

    Sodium Cyclopentadienide, from our manufacturing experience, means more than figures on a specification sheet. Real people work behind its safe, pure production — chemists who test every lot, operators double-checking storage conditions, and technical staff responding to every outlier and support request. Its unique position as a foundation for metallocene synthesis gives it a rare blend of practical importance and technical challenge, keeping us invested in its continuous improvement.

    The ongoing relationship with users has shaped our approach — away from simple contract fulfillment, toward building chemistry partnerships rooted in trust, transparency, and responsive support. Whether researched for novel metallocenes, deployed for high-performance catalysts, or used to educate the next generation of organometallic chemists, the consistent quality and hands-on expertise built into every bottle of Sodium Cyclopentadienide reinforce both the reliability of each experiment and the safety of every lab. We look forward to where our combined efforts and commitment to technical excellence take the field next.