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2-Phenylpropene

    • Product Name 2-Phenylpropene
    • Alias Isopropenylbenzene
    • Einecs 208-909-9
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    205390

    name 2-Phenylpropene
    cas_number 873-66-5
    molecular_formula C9H10
    molar_mass 118.18 g/mol
    appearance Colorless liquid
    density 0.91 g/cm3
    boiling_point 162-164 °C
    melting_point -64 °C
    flash_point 44 °C
    refractive_index 1.546
    solubility_in_water Insoluble
    pubchem_cid 68059

    As an accredited 2-Phenylpropene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The 2-Phenylpropene is packaged in a 500 mL amber glass bottle, tightly sealed, and labeled with safety and chemical information.
    Shipping 2-Phenylpropene should be shipped in tightly sealed containers, clearly labeled, and protected from heat and ignition sources. It must comply with local, national, and international regulations for flammable liquids. Proper documentation, cushioning materials, and secondary containment are essential to prevent leaks and ensure safe transport during shipping.
    Storage 2-Phenylpropene should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and direct sunlight. Keep the container tightly closed and protected from physical damage. Store separately from oxidizing agents and acids. Use containers made of compatible materials such as glass or HDPE. Proper labeling and secondary containment are recommended to prevent accidental release or contamination.
    Application of 2-Phenylpropene

    Applications of 2-Phenylpropene in Industrial Manufacturing

    Our production-grade 2-Phenylpropene supports multiple core sectors with precise consistency, regulatory adherence, and integration efficiency throughout established chemical manufacturing chains.

    1. Fragrance Intermediate Synthesis

    Producers of fine fragrances and aroma chemicals utilize 2-Phenylpropene as a key aldehyde precursor. It undergoes Friedel-Crafts alkylation or oxidation during controlled batch processing, forming intermediates such as α-methylstyrene derivatives essential for musks and floral notes. Strict in-process monitoring ensures compliance with international fragrance safety and purity standards alongside batch-to-batch reproducibility.

    Industry compliance standards

    • IFRA (International Fragrance Association) Standards
    • REACH Regulation (EC) No 1907/2006 (EU)
    • Cosmetic Ingredient Review (CIR) Guidelines (USA)
    • Good Manufacturing Practice (GMP) for cosmetic raw materials (ISO 22716)

    Typical usage ratio

    • 2-Phenylpropene typically comprises 5–15% in fragrance precursor synthesis streams. Formulators adjust concentration based on target aldehyde or ketone end-point, substrate reactivity, and downstream purity demands.

    Downstream process integration

    • Raw material addition during alkylation or controlled oxidation steps
    • Monitored through-flow in jacketed batch reactors for temperature-sensitive reactions
    • Yield optimization through selective catalyst systems and feedstock purity controls

    Final product types

    • Musky and floral fine fragrance compounds
    • Alkylated aromatics for aroma chemical blends
    • Fragrance bases for personal care formulations

    2. Polymerization Monomer Feedstock (ABS and Related Copolymers)

    In engineering plastics manufacturing, this material serves as a functional monomer, particularly in the synthesis of acrylonitrile-butadiene-styrene (ABS) and related polymers. Producers require tight control of inhibitor content and residual volatiles. The monomer quality directly impacts polymer mechanical strength and thermal resistance in the final engineering resins.

    Industry compliance standards

    • ASTM D3053: Standard Specification for Poly(Acrylonitrile-co-Butadiene-co-Styrene) Materials
    • ISO 19069-1: Thermoplastic Materials — ABS molding and extrusion materials
    • RoHS (Restriction of Hazardous Substances Directive 2011/65/EU, EU)
    • UL Yellow Card for safety-related polymer applications (certified properties)

    Typical usage ratio

    • ABS producers introduce 2-Phenylpropene at 10–35% of the total monomer charge depending on desired copolymer composition, property balance, and processing mode.

    Downstream process integration

    • Feeding into continuous bulk or emulsion polymerization units
    • Staged addition with styrene and acrylonitrile per process design
    • In-line purity checks and removal of inhibitor residues by pre-treatment

    Final product types

    • High-impact ABS engineering plastics for automotive and electronics
    • ABS structural foams
    • Polymer alloy composites with customized performance profiles

    3. Pharmaceutical Synthesis Intermediate

    Active pharmaceutical ingredient (API) manufacturers use this material as a core building block for specific non-steroidal anti-inflammatory agents and other small molecule APIs. Controlled anhydrous conditions and validated cleaning protocols are necessary due to strict impurity limits dictated by pharmacopeias. The compound typically enters early in multi-stage syntheses as an aryl-alkene backbone.

    Industry compliance standards

    • Good Manufacturing Practice (GMP) — ICH Q7 / EU GMP Part II
    • USP, Ph. Eur., JP monograph specifications (as applicable)
    • 21 CFR Part 211 (US FDA cGMP for Finished Pharmaceuticals)
    • ICH Q3A/B (Impurity testing, residual solvents control)

    Typical usage ratio

    • Applied at 0.5–5 molar equivalents as a synthesis precursor, dose tuned to target molecular route and API yield outcome. In-process sampling ensures efficient use and conversion rate.

    Downstream process integration

    • Introduction in early-stage alkylation or acylation amid synthesis sequences
    • Reaction under inert gas atmosphere to minimize byproduct formation
    • Transition through multiple purification and distillation steps

    Final product types

    • Intermediate compounds for NSAIDs
    • Building blocks for selective CNS-active pharmaceutical substances
    • Precursors for custom contract synthesis of GMP APIs

    4. Resin and Coating Hardener Manufacture

    Industrial coatings and specialty resin manufacturers employ 2-Phenylpropene in the preparation of cross-linking agents and hardeners. The process typically involves copolymerization or functionalization with epoxy systems, improving chemical resistance and hardness in the final cured coatings for heavy-duty industrial applications.

    Industry compliance standards

    • ISO 9001:2015 Quality Management for Chemical Production
    • GB/T 23985: Performance requirements for industrial coatings (China)
    • ASTM D3029: Impact resistance of structural plastics (adhesion applications)
    • Local environmental and safety standards for VOC emissions

    Typical usage ratio

    • Used at 2–20% weight in cross-linker or hardener formulation pending desired hardness and curing rate, adjusted by coating thickness and resin base selection.

    Downstream process integration

    • Metered addition to resin blends in pre-curing stages
    • Thermal or catalyst-induced reaction with epoxy or acrylic systems
    • Final blend filtration and stability assessments before packaging

    Final product types

    • Heat-resistant industrial paints
    • Anti-abrasive epoxy coatings
    • High-durability resin mortars

    5. Agrochemical Intermediate Preparation

    Plant protection chemical manufacturers adopt 2-Phenylpropene in synthetic routes for active ingredient intermediates, driving selectivity for phenyl-substituted pyridines and N-heterocycles. Downstream process integration involves precise control of substitution patterns and impurity profiles, frequently under continuous flow for safety and yield maximization.

    Industry compliance standards

    • FAO/WHO specification for technical material (when applicable to AIs)
    • ISO 9001:2015 for agrochemical raw materials
    • National environmental rules for hazardous process management
    • GLP (Good Laboratory Practice) for development pipelines

    Typical usage ratio

    • Active in 1–10 molar excess depending on reaction type, fed incrementally in multi-step synthesis. Process engineers optimize stepwise conversion rate to minimize downstream purification loads.

    Downstream process integration

    • Fed into halogenation or heterocyclization reactors post-initial condensation
    • Stabilized storage conditions for reactive intermediates
    • In-line HPLC monitoring for batch impurity clearance

    Final product types

    • Herbicide intermediates
    • Pesticide precursors for broadleaf and cereal crop protection
    • Building block for specialty agrochemical R&D
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    Certification & Compliance
    More Introduction

    2-Phenylpropene: Supporting Synthesis Needs in Modern Industry

    Our Experience with 2-Phenylpropene

    Working day in and day out with aromatic intermediates, we understand the precise requirements chemists have for clean, reactive monomers. 2-Phenylpropene embraces this need with its reliable aromatic character and distinctive double bond at the allylic position. Over the past decade, our shift toward specialties like this compound has answered the market’s growing appetite for high-purity sources. We process batches of 2-Phenylpropene in facilities designed for strict quality control, finished to ensure stability in transit and storage while minimizing contamination.

    This molecule attracts attention not only for what it is, but also for what it helps others to make. Lab teams looking to craft polymers, pharmaceuticals, or fine chemicals depend on each drum we send out. We monitor production at each stage—tracking temperature, solvent compatibility, even minute variations in reaction yield—to keep every kilogram consistent. Nothing frustrates research like unpredictability from feedstocks. Our reputation rests on diligence, as customers in both R&D and commercial synthesis rely on us for the lot-to-lot repeatability that lets their projects move forward.

    What Sets 2-Phenylpropene Apart

    Compared with structurally similar compounds like styrene or other alkylated benzenes, 2-Phenylpropene stands at a unique point. Its vinyl group in the beta position to the phenyl ring opens doors: this feature draws in synthetic chemists aiming for selectivity in their transformations. For experienced hands in the lab, this means more control when adding to the double bond or guiding it through tandem reactions. Unlike benzene or ethylbenzene—less reactive or bearing fewer sites for substitution—2-Phenylpropene responds to manipulation with a distinct suite of chemical behaviors. This matters whether you're building up carbon frameworks for new drug scaffolds or pursuing targeted functionalization.

    Where one compound’s limitations stop another’s applications begin. If the project at hand needs a source of arylpropyl backbone, this is not the place for traditional phenylethane or basic toluene. The difference lies in the subtle, sometimes underappreciated ways the vinyl group drives selectivity and reactivity. We have watched industrial clients and universities alike pick 2-Phenylpropene to sidestep cumberome purification steps that bog down other alkene syntheses. Fewer byproducts, cleaner end material—time and materials saved.

    Molecular Details, Practical Realities

    2-Phenylpropene carries the structural formula C9H10. At a glance, it seems simple—a three-carbon propene chain flanked by a phenyl ring. Yet anyone who has worked with alkene chemistry recognizes the significance of that neighboring benzene. We produce this material as a clear, practically colorless liquid under normal room conditions, focusing on maintaining the highest practical purity for critical applications. Our typical batches range above 99% GC purity, and routine checks weed out problematic impurities such as other positional isomers or residual solvents. Customers notice not just the analytical numbers, but also the absence of haze, off-odors, or unwanted byproducts during downstream processing.

    2-Phenylpropene boils at 156–158°C, which fits well for fractional distillation if further purification becomes necessary on site. The density hovers around 0.90 g/cm3. These physical details become second nature for our logistics teams and engineers, who adapt packaging to minimize evaporation losses and lower the risk of leaks during shipment. Strict color metrics are logged to catch even minor degradation from oxidation during storage. Taking pride in handling these details saves downstream users the headache of troubleshooting inconsistent batches, an ever-present concern for process chemists and plant operators.

    Safety enters the picture, too. Flammability levels are comparable to other aromatic hydrocarbons. We store and transport 2-Phenylpropene in steel drums or specialized IBC totes with inert headspace where possible—based on lessons learned through years of real-world material handling. Package sizes align with customer operations. Small-batch research buys just what’s needed, large-scale production enjoys full-pallet or tanker options, backed by documentation that tracks chain of custody from synthesis to site.

    Production Methods and Quality Focus

    Alibaba listings might make the process seem easy, but real manufacturing never boils down to commodity chemistry. We have invested heavily to ensure our plant lines for 2-Phenylpropene stand apart from those pushing mixed or technical grades. Our process hinges on a carefully buffered dehydration reaction from commercially available precursors, with tight control over catalysts and temperature gradients. This discipline cuts side products like beta-methylstyrene or unwanted dimers.

    Once synthesis is complete, vacuum distillation draws the pure 2-Phenylpropene from any starting, residual, or polymeric materials. Our QC lab supports operations with regular GC-MS scans, impurity trending, and oxidation stability assays. Each release batch is compared not just for content, but also for lot-to-lot spectral fingerprints, building predictability our repeat customers have come to demand. Clean, well-defined starting materials set the stage for downstream specialty chemistry: from sulfonations to epoxidations to Suzuki couplings, reproducibility is the difference between success and setback.

    Usage and Functional Advantages

    Demand for 2-Phenylpropene stretches across several demanding fields. We have watched the pharmaceutical sector rely on it as an intermediate to build arylpropane motifs into active compounds—think antihistamines, anti-inflammatories, and innovative research molecules. Process development professionals often turn to 2-Phenylpropene to craft ligands for catalysis, or to serve as a launching pad for chiral building blocks. Its reactivity brings value in pilot-scale syntheses where yield, selectivity, and manageable byproduct profiles count above all else.

    Beyond pharma, researchers find that 2-Phenylpropene’s nonpolar nature fits well in polymerization trials. Where traditional styrenes offer a different profile, this compound’s structure enables alternate property sets in trial plastics and coatings: a balance of rigidity, processability, and unique pendant group insertion. Specialty adhesives, resins, and even some agricultural fine chemicals have benefited from this backbone. We have seen this material’s adaptability firsthand, thanks to feedback from technical partners developing new formulations and testing in real factory presses.

    We remain directly involved throughout the R&D pipeline, providing technical facts and candid troubleshooting based on what we have seen in both laboratory and industrial environments. Our teams answer direct application questions—examples: solubility in nonpolar versus polar solvents, compatibilities with initiators or catalysts, and how small handling steps can make or break sensitive formulations. We produce material that is not just analytically pure but also reliable in practical manufacturing settings, learned over countless customer iterations and our own internal tests of downstream derivatization.

    Differences from Styrene and Other Olefins

    Styrene stands as the nearest peer, but the placement of the methyl group in 2-Phenylpropene creates new synthetic options. Styrene offers a simple path to phenylethylene resins; we’ve seen it prove vital in the global production of polystyrene and copolymers. Still, its chemistry limits how functional groups are introduced along the chain. 2-Phenylpropene, in contrast, opens the window to beta-substitution, a property chemists prize when mapping out new active structures or constructing advanced polymer side chains.

    While some users ask why not substitute isopropylbenzene (cumene) or alpha-methylstyrene, our experience suggests these alternatives fall short in specific high-performance transformations. Alpha-methylstyrene, for example, pushes toward stability issues and polymerization rates that can complicate both storage and downstream chemistry. Isopropylbenzene, meanwhile, lacks the terminal double bond and so can’t participate in the same alkene-specific reactions. These differences go far beyond the parent molecule—they play out in manufacturing costs, final product purity, and achievable yield after each synthesis step.

    It’s not all about technical points. Supply chain and regulatory differences shift product availability and user requirements, too. We maintain an internal comparison database mapping end application to optimal intermediate; over time it’s become clear that trying to force-fit other C9 aromatics into 2-Phenylpropene’s role leads to costly reworks and washed-out reaction outcomes.

    Why Purity and Consistency Matter

    It is not enough for a material to just appear the same: minor impurities tell an important story, one that trickles down through every reaction and batch. Over years producing and supplying 2-Phenylpropene, we have seen what even a 0.2% impurity spike can cause. Research teams suffer inexplicable product lags; scale-up plants chase ghost yields or lost conversion rates. Consistency from us means fewer unknowns for the technical teams at the other end, something our most seasoned customers value highly.

    Maintaining a robust chain of documentation with full traceability speaks not just to quality assurance but also to regulatory compliance. Detailed process descriptions mapped onto analytical records provide a reference our clients rely on during audits or when troubleshooting complex production processes. We do not take for granted the time and cost that result from sub-standard intermediates—a failed run can set entire projects back by months.

    Purity control is not about just ticking a box. Our QC protocols run deeper, using both routine GC and advanced NMR, IR, and MS scans to spot trends long before they impact product. Close communication with technical partners means observed performance issues get fed back into tweaking our operating parameters, all to foreclose the sort of intermittent headaches less disciplined supply can cause.

    We take it as a mark of professional pride to be direct with customers about composition, shipping conditions, and storage needs. Feedback from industrial users—those who see material performance at scale—frequently shapes subtle process changes. It’s this loop, running from site feedback to pilot batches and through to technical support, that has built up the confidence our end-users have in our product.

    Supply Chain and Logistical Support

    Anyone who has worked in manufacturing or procurement knows that chemical sourcing is never just a matter of cost per kilogram. 2-Phenylpropene’s value, especially for higher-spec applications, depends on secure, predictable supply. Over the years, we have developed a nimble logistics network that responds to both planned production and last-minute schedule changes—a must for clients running continuous or campaign-based manufacturing. Our teams track every shipment, from loading dock to client site, backed by certification and supported by clear chain-of-custody evidence. Freight partners are selected for their ability to meet stringent safety and handling requirements, cutting transit time and risk.

    We support multilocation manufacturing clients with lot reservation systems that keep critical intermediates on hand for peak campaign runs. Issues like unexpected market volatility or upstream supply chain interruptions do not have to upend client timelines. By holding buffer stock, adjusting shipping schedules, and maintaining transparency with clients, we keep projects on track through everything from seasonal swings to regulatory shifts.

    The last kilometers—offloading into plant storage—receive just as much scrutiny. Our technical support staff answer client questions around unloading practices, vapor venting, or bulk transfer procedures. It is not uncommon in our work to walk a maintenance supervisor through a valve setup by video call, or troubleshoot off-odors that might signal tank contamination. Practical support can decide whether a campaign run hits its numbers or stalls due to a simple handling oversight.

    Technical Collaboration and Pragmatic Troubleshooting

    As a manufacturing partner, our role stretches beyond simply supplying 2-Phenylpropene. Direct involvement with formulation teams, scale-up engineers, and even end-users in the regulatory environment shapes continuous improvement. We trade data and lessons with chemists facing yield bottlenecks and field specialists looking to shift from kilogram to ton-scale runs. The technical discussions often focus on real chemistry challenges: how a trace contaminant changes reactivity, what blending temperature best preserves stability, or which downstream purification step most efficiently handles a persistent side-product. More than a few changes in our protocol have started with an offhand comment from a lab manager or production engineer who noticed something in his own batch records.

    We do not assume problems are “just part of the process.” Instead, we draw on everything from raw material sourcing variations to changes in reaction vessel geometry, fine-tuning manufacturing lines batch by batch. Knowledge transfer works both ways—successful solutions for one client often become best practice for all, locking hard-won gains into standard workflow. We share analytical data freely, tracking not just conformity to spec, but concrete performance in target reactions and finished products.

    Nothing proves the value of this cooperation like successful troubleshooting runs. We have helped clients reduce waste, boost yield, and stabilize end product performance mid-campaign—all through open channels and the persistent search for root causes instead of workarounds.

    Environmental Responsibility and Regulatory Alignment

    Manufacturing chemical intermediates like 2-Phenylpropene means grappling with both regulatory complexity and real environmental impact. Over the past several years, we've upgraded plant equipment to reduce solvent waste and energy use during production. Our engineering staff constantly reviews emissions controls, maintaining compliance with both local and broader market standards. Investing in better condensing lines and recovery towers made practical sense—these tangible steps cut resource costs and minimize offsite management of waste streams.

    We track legal and regulatory requirements with as much care as quality protocols. Market compliance checks shape how we formulate and deliver, especially for international clients concerned with registration frameworks, updated toxicology findings, or changing standards. Rolling this outlook into plant practices, packaging updates, and MSDS documentation does not just keep us on the right side of the law—it assures clients they won’t face regulatory setbacks when they least expect them.

    Our manufacturing management recognizes that expectations around sustainability and transparency rise steadily year by year. We maintain robust documentation, submit data to third-party audits, and open site processes to periodic client reviews. This aligns with the best practices expected of leaders in chemical manufacturing, and ensures our processes for 2-Phenylpropene remain both safe and publicly defensible.

    Looking Ahead: Sustaining Reliable Supply for Evolving Demands

    Over years of supplying 2-Phenylpropene, we have learned that every successful project is rooted in clear communication, material consistency, and readiness to adapt. Tomorrow's chemistry will ask even more of both materials and suppliers—tighter purity bands, more transparent documentation, deeper regulatory support, and real-time technical collaboration.

    The pressure to innovate never lets up. Laboratories and scale-up plants continue finding new ways to harness 2-Phenylpropene for both established and novel reactions, whether in pharmaceuticals, specialty polymers, coatings, or fine chemicals. Our role as a manufacturer means more than filling orders; we act as a committed partner throughout the discovery, optimization, and production cycle—responding to shifting guidelines, new synthetic strategies, and tighter timelines.

    Practical experience in handling, troubleshooting, and improving this material shapes everything from our QC protocols to after-sale support. Drawing on lessons learned at every scale—bench, pilot, and full production—our teams work closely with clients to answer the technical subtleties that decide project success.

    Chemical manufacturing is never static. The journey of 2-Phenylpropene, from raw material to finished product, demonstrates that the best results grow out of discipline, technical know-how, and constant engagement between producer and practitioner. In a field driven by details and trust, we have seen these factors build lasting success for everyone involved.