Cyclopropane

    • Product Name: Cyclopropane
    • Alias: CP
    • Einecs: 202-143-3
    • 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

    921243

    Chemical Name Cyclopropane
    Molecular Formula C3H6
    Molar Mass 42.08 g/mol
    Cas Number 75-19-4
    Appearance Colorless gas
    Odor Sweetish, slightly ether-like
    Boiling Point -33 °C
    Melting Point -127.3 °C
    Density 1.879 g/L at 0 °C, 1 atm
    Solubility In Water Slightly soluble
    Vapor Pressure 5040 mmHg at 21.1 °C
    Flash Point -36 °C (closed cup)
    Autoignition Temperature 503 °C
    Refractive Index 1.1503 (liquid at -40 °C)
    Pubchem Cid 6584

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

    Packing & Storage
    Packing Cyclopropane is supplied in a high-pressure steel cylinder, 10 liters volume, labeled with hazard warnings and gas-specific identification markings.
    Shipping Cyclopropane should be shipped in tightly sealed, high-pressure gas cylinders specifically designed for flammable gases. It must be clearly labeled and transported in compliance with relevant regulations (such as UN 1026, Class 2.1). Keep away from heat, sparks, and open flames. Ensure proper ventilation and secure cylinders during transit to prevent leaks.
    Storage Cyclopropane should be stored in tightly sealed, appropriately labeled cylinders or containers in a cool, dry, and well-ventilated area, away from heat, sparks, open flames, and oxidizing agents. Containers should be protected from physical damage and direct sunlight. Proper grounding and bonding are essential to prevent static discharge. Only trained personnel should handle and store cyclopropane gas.
    Application of Cyclopropane

    Applications of Cyclopropane in Industrial Manufacturing

    As a direct manufacturer of pharmaceutical and specialty gases, we supply high-purity cyclopropane to major industrial sectors that rely on its unique properties for core formulation and synthesis steps. Below we outline the main application scenarios, real-world standards, technical details, and end products supported by our cyclopropane portfolio.

    1. Inhalation Anesthetic in Pharmaceutical Formulations

    Pharmaceutical producers utilize cyclopropane as a fast-acting gaseous anesthetic in hospital and clinical anesthesia. Leading medical gas suppliers formulate it under strict compounding standards for surgical use, where rapid onset and quick patient recovery are critical. Regulatory restrictions govern gas purity, hydrocarbon content, and absence of impurities such as hydrogen sulfide or benzene, with continuous in-process quality control from cylinder filling to end-user delivery.

    Industry compliance standards

    • European Pharmacopoeia (Ph. Eur.) – Cyclopropanium
    • United States Pharmacopeia (USP) – Cyclopropane
    • Good Manufacturing Practice (GMP) for Medical Gases
    • ISO 7396-1:2016 for Medical Gas Pipeline Systems

    Typical usage ratio

    • 100% cyclopropane as pure gas; administered via calibrated vaporizer with adjustable oxygen ratio set by anesthesiologist based on patient procedure and real-time monitoring

    Downstream process integration

    • Cylinder filling under GMP conditions, analytical certificate release; integrated in gas distribution systems at hospitals; administered with precision flowmeters and anesthetic delivery instruments

    Final product types

    • Compressed medical gas cylinders for hospital/clinic use
    • Pre-filled disposable anesthesia canisters
    • On-site piped gaseous cyclopropane systems

    2. Cyclopropanation Agent in Active Pharmaceutical Ingredient (API) Synthesis

    Chemical and pharmaceutical manufacturers incorporate cyclopropane during multi-step API synthesis to introduce cyclopropyl groups into complex molecules. Use cases focus on intermediates for antiviral, anticancer, and central nervous system drugs, where the strained three-member ring imparts unique biological activity. Process parameters demand closed-system transfer to reactors, leak detection, and byproduct management to maintain worker safety and regulatory traceability.

    Industry compliance standards

    • ICH Q7 – Good Manufacturing Practice for APIs
    • European REACH Regulation (EC) No 1907/2006
    • OSHA 29 CFR 1910.119 for Chemical Process Safety
    • ISO 9001:2015 for Quality Management Systems

    Typical usage ratio

    • Varies from 0.5 to 5 molar equivalents relative to other starting materials, based on desired cyclopropyl incorporation and yield optimization; adjusted via reaction monitoring and chromatographic analysis

    Downstream process integration

    • Introduced in sealed high-pressure reactors during the cyclopropanation or ring-closure step; followed by in-process sampling, separation, and washing to isolate pure intermediates or APIs

    Final product types

    • Cyclopropyl-containing drug intermediates
    • Final APIs such as antiviral agents, oncology compounds, neurology treatments

    3. Specialty Gas for Electronics and Semiconductor Manufacturing

    Fabricators of semiconductor and optoelectronic devices use cyclopropane as a plasma precursor and etchant gas, especially in advanced dry-etching or chemical vapor deposition (CVD) steps. Its unique ring strain provides active hydrocarbon species for controlled plasma surface reactions, critical to developing fine electronic features in sub-micron lithography. Manufacturers implement precise gas delivery, inline purity verification, and strict process control to meet microelectronics quality benchmarks.

    Industry compliance standards

    • SEMI C3 – Specification for Gases in Electronics
    • ISO 14644 Cleanroom Standards for Microelectronics
    • ANSI/ISA-71.04 for Environmental Conditions for Process Measurement
    • RoHS Directive 2011/65/EU for hazardous substances

    Typical usage ratio

    • 0.2%–2.0% cyclopropane in argon or helium carrier gas, tuned to recipe for oxide, nitride, or polymer thinning or selective plasma etching, according to wafer material and feature size

    Downstream process integration

    • Supplied via automated gas cabinets to etch reactors and CVD chambers, monitored with mass-flow controllers; participates in short-duration plasma steps synchronized with tool cycle time and in-situ diagnostics

    Final product types

    • Semiconductor wafers (logic and memory ICs)
    • Thin-film transistors and photomasks
    • LED and laser diodes

    4. Calibration Gas for Analytical Instrumentation

    Producers of precision calibration standards and laboratory reference gases employ cyclopropane to prepare certified gas mixtures, used in validating gas chromatographs, mass spectrometers, and leak detection systems in regulated laboratories. Proper blend consistency and traceable metrology are necessary to meet international guidelines for test method reliability and instrument calibration intervals.

    Industry compliance standards

    • NIST Standard Reference Materials (SRMs) for Gas Calibration
    • ISO/IEC 17025 – Laboratory Competence for Testing and Calibration
    • ASTM D1945 for Natural Gas Analysis by GC
    • ISO 6141:2015 for Gas Mixtures Preparation

    Typical usage ratio

    • Prepared at 1 ppm to 5% cyclopropane in inert gas (nitrogen, helium, or air), tailored to instrument range and required calibration span according to laboratory SOP

    Downstream process integration

    • Cylinder filling with high-precision gravimetric or volumetric blending in ISO-certified mixing plants; QC using reference instrumentation; distributed to end-user metrology labs for instrument calibration and performance checks

    Final product types

    • Primary standard gas mixtures for analytical instrument calibration
    • Reference standards for industrial QA/QC laboratories
    • Process verification cylinders for continuous emission or environmental diagnostics

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    Certification & Compliance
    More Introduction

    Cyclopropane: Precision Engineering for Gas Applications

    What Real Manufacturing Brings to Cyclopropane Production

    Working in chemical manufacturing for years, I have watched Cyclopropane grow from something oddly niche into an irreplaceable material for modern surgical and research needs. There’s a significant difference between a product we’ve run through our systems and something coming from loosely monitored sources. That difference starts at raw material selection, moves through every control point, and shows up in reliability when customers open a new cylinder. Our approach to gas-phase chemistry and distillation puts us in a unique position to talk about Cyclopropane’s value from the production floor perspective.

    Model and Purity That Matter to Users

    Cyclopropane from our facility comes strictly as a colorless, flammable gas, with purity levels consistently exceeding 99.5% by volume. Many applications won’t tolerate higher hydrocarbon residues or unpredictable moisture levels, so quality control teams here run daily infrared and chromatographic scans for contaminants. Most demand sits with research institutions developing anesthesia protocols, as Cyclopropane’s physiological effects have been documented for more than a century. In the operating suite, inhalation anesthetics must arrive with absolute uniformity in potency and clean burn-off characteristics, or patient outcomes risk complications. Having worked directly with clients setting up closed-circuit anesthetic systems, I’ve seen how even small changes in methyl or ethyl impurity content can affect the safety profile at clinical concentrations.

    Our standard delivery model is high-pressure steel cylinders, pressure-tested and valve-sealed to eliminate trace ingress. Cylinder linings and valves go through proprietary treatments to prevent reaction with gas contents, since Cyclopropane reacts with certain metals and lubricants if given the chance. Every cylinder’s batch certificate connects directly to our in-house analytical log for legal compliance and traceability.

    Production Environment and Safety Protocols

    Cyclopropane looks innocent on a data sheet, but production brings serious challenges—energy in the wrong form, and things escalate fast. Our reactors operate in explosion-rated enclosures, with all heat and initiation steps isolated behind blast walls. My daily routine includes double checks, reading live sensor charts and delivering real signals to operations and safety, not just ticking off a checklist. We coat all transfer lines in anti-static compounds and keep moisture at levels far below most industrial gas standards, since even a little water or dust can start a chain of reactions you never want to see. These aren’t hypothetical risks; stories from old-timers who saw pre-war production lines keep everyone on edge—and focused.

    Applications That Benefit From Performance Consistency

    From direct feedback, customers count on Cyclopropane where sharp, predictable biological activity is required. In anesthetic development, even minor fluctuations in gas mix can mean erratic induction or delayed emergence. A research team using our gas for instrument calibration mentioned how clean combustion profiles let them baseline their flame photometry with less frequent recalibration. In specialized welding, controlled atmospheres built with Cyclopropane allow for extremely hot but narrowly focused flames, supporting delicate metalwork where acetylene isn’t stable enough. Only gas from consistent manufacturing, tightly monitored for trace compounds, achieves that reproducibility. No diluted or off-spec batch leaves our warehouse, because at this level, field failures mean more than just lost revenue—they create real hazards.

    Some pharmaceutical process developers rely on Cyclopropane for specific cyclization reactions in synthesis chains, noting less interference from the side products compared to older, mixed-source gas feeds. There’s still a research base in agricultural science exploring Cyclopropane pathways for controlled plant stress responses, and the laboratory culture demands absolute transparency on residuals. We actively collaborate with university chemists, tweaking gas conditioning and delivery timing to flow exactly with experiment needs. Their results feed into our internal metrics and help shape how we run batch-by-batch feedback into next month’s production.

    Distinguishing Cyclopropane From Alternatives

    People sometimes assume hydrocarbons stack up the same. Cyclopropane’s three-carbon ring structure delivers a perfect balance of reactivity and volatility, distinct from propane, butane, or ethylene. Its flame temperature rises higher than propane, and the exothermicity is more controllable than acetylene. Not every anesthetic application suits Cyclopropane, but its lower blood/gas partition coefficient yields rapid onset and offset, a property that historically made it the preferred agent for surgeries needing fast recovery. No other product we manufacture matches that pharmacological profile, and the difference isn’t just chemical—it’s a matter of clinical confidence.

    From the gas handling side, I see maintenance techs switch between acetylene and Cyclopropane torches. Acetylene may cost less, but its storage instability and powerful exotherm force heavier equipment and more frequent maintenance. Cyclopropane, dialed in at the right pressure, burns with a cleaner profile and produces fewer soot-forming fragments, key for detailed jewelery and dental torch work. On the chemical process side, our clients use its controlled energy release as a vital trigger in research reactors—far less unpredictable than methylacetylene or allene equivalents.

    Transparency and Traceability in Weighing Cost Against Quality

    Anyone who has sourced process gases long-term eventually faces the hidden dangers of cost-cutting. We field routine calls from labs and clinics frustrated by supply chains that treat gases as commodity swaps, often unaware of batch inconsistency until late-stage failures pop up. In our view, Cyclopropane isn’t just a line-item on a procurement form. We publish recent batch analysis data by default, and make technicians available for technical queries about compatibility, storage, or real-world test conditions. Sometimes customers ask why our prices exceed the low-cost, mixed-source options. We welcome those questions, because our certifications tie back to hard-won safety and regulatory outcomes—not just paperwork, but continuous in-plant monitoring and audit logs. No staffer here is allowed to sign off on a shipment without reviewing the batch’s real output data.

    Environmental Control: Managing Emissions and Containment

    Cyclopropane is both valuable and potentially hazardous. Leaks present risks to both the environment and worker health. Our approach emphasizes integrated containment from raw material intake through final product loading, with multi-stage detectors and response plans mapped straight from operations teams’ ground-up insights. Facility airflow modeling does more than check off compliance boxes: it enables true reduction of fugitive emissions. Techs participate in ongoing training, and we track near-miss events to identify routine fixes—like replacing a decades-old valve with a modern shielded system—before accidents occur. In a field where the risk profile rarely drops, experience and ongoing vigilance matter more than theory.

    Supporting Use: Guidance, Application-Specific Advice, and Ongoing Learning

    Because we manufacture Cyclopropane ourselves, we stay responsible for real-world outcomes in a way that resellers and general brokers don’t. Our technical support doesn’t just copy industry templates. We offer site assessments and documentation for custom storage, transfer, or monitoring systems, because each application—from rural hospital operating rooms to academic R&D setups—faces different risk tolerances and infrastructure. On a few occasions, I’ve personally worked through troubleshooting with clients whose legacy regulators didn’t synchronize with modern cylinder threads; there’s no substitute for direct, open channel communication between users and the people who built the filling rig.

    We also stay tuned to field reports, tracking both expected and unexpected effects noted during use. In cyclization catalysis, for example, fresh feedback from synthetic chemists led us to modify dehumidification procedures, cutting water content by half compared to common commercial shipments. That kind of agile tweak only happens when the people responsible for making the gas build relationships with scientists actually using it.

    Comparing Real Costs of In-House Manufacture Versus Out-Sourced Supply

    One recurring question is why a dedicated manufacturing line for such a specific gas makes more sense than simply importing stock. It comes down to predictability, accountability, and the value of reputation over time. Local, owned process streams, conducted by staff who know both material and machinery, give fast-cycle feedback loops. If a problem pops up in finished gas—say, an unexpected impurity—our analysts can instantly trace it to a specific valve, batch number, or analytics run. Companies depending on out-sourced supply won’t spot quality slips until product is already in the field, if they ever do, and accidents cost far more than whatever paper savings appeared at the time of purchase. That cost weighs in real risk, not just dollars per cylinder.

    Not all gases call for such heavy oversight, but Cyclopropane ranks amongst the critical few where a gap in process translates swiftly into direct consequences for practitioners, equipment, and downstream chemistry. We work with multiple teams running closed-circuit anesthetic devices, and they remind us often that specification drift is not theoretical—one off-kilter cylinder can throw off a week’s worth of scheduled procedures. Building our own, full-scope supply chain means we read trouble far earlier, train staff for higher contingencies, and improve our internal standards based on updated literature and real-incident reporting.

    Connecting with Customers: Longer-Term Partnerships Over Single Transactions

    Manufacturing Cyclopropane puts us in ongoing conversation with a loyal user base, not just shifting boxes across a loading dock. Even the best-written specification sheets do not predict whether a research lab’s new reaction column or a hospital’s forty-year-old anesthesia machine will interact well with a new gas cylinder; that takes dialogue and iteration.

    Years of experience prove the most lasting business comes from providing consistent results, fixing small problems early, and owning mistakes transparently. We have adjusted filtration and compression procedures directly in response to field reports, and published those lessons so customer sites know what to watch for and what to expect with each new batch. That feedback cycle shapes the core of what keeps users coming back. Good manufacturing isn’t just about bigger output or cost-per-kilo; it’s about making every tank or cylinder traceable, consistent, and as safe as possible in the hands of trained professionals.

    Future Directions: Enhancing Process and Expanding Communication

    Demand patterns shift over time, especially in regulated sectors like life sciences and advanced materials. We see increasing regulation on flammable gas logistics and a spike in quality audits for any chemical with anesthetic potential or reactivity profile like Cyclopropane. Our response isn’t just about tightening controls or ramping up documentation—it’s about better process transparency and more real-time client interaction. Investments focus on upgraded gas analytics, scalable drying steps, and tighter electronic traceability, but also on the human side—training newer staff in the routines and caution that experience instills.

    We keep learning from safety associations, regulatory bulletins, and research partners. That learning improves our process, and the loop gets shorter each year. Quality isn’t a static goal for a product like Cyclopropane; it’s something renewed by every batch, every safety check, and every conversation with end users and regulators. Decades in the industry show that this approach, while sometimes costlier or more labor-intensive, keeps both our people and our customers far safer than any shortcut could ever do.

    Final Thoughts: A Manufacturer’s Perspective

    Producing Cyclopropane calls for more than chemistry. It’s an act of responsibility that covers engineering, regulatory compliance, hands-on technical problem-solving, and a close relationship with the customers that rely on the end product. Our cylinders do more than deliver a chemical—they encapsulate the experience of everyone in the plant who worked to make the gas safely, consistently, and fit for its many demanding applications. That’s the real story behind every shipment that leaves our facility.

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