Products

Prenol (331)

    • Product Name: Prenol (331)
    • Chemical Name (IUPAC): 3-methylbut-2-en-1-ol
    • CAS No.: Prenol (331): 142-68-7
    • Chemical Formula: C5H10O
    • Form/Physical State: Liquid
    • Factroy Site: No.418 Xinchang Dadao West Road,Qixing Street, Xinchang County, Zhejiang Province,China
    • Price Inquiry: sales7@bouling-chem.com
    • Manufacturer: Zhejiang NHU Co., Ltd
    • CONTACT NOW
    Specifications

    HS Code

    597656

    Cas Number 556-82-1
    Ec Number 209-197-6
    Molecular Formula C5H10O
    Molar Mass 86.13 g/mol
    Appearance Colorless liquid
    Odor Mild, pleasant
    Density 0.824 g/cm³
    Boiling Point 132–134 °C
    Melting Point -72 °C
    Flash Point 31 °C

    As an accredited Prenol (331) factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Prenol (331) is packaged in a 500 mL amber glass bottle with a secure screw cap, labeled with hazard information.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for Prenol (331): Typically accommodates 80 drums (200 kg each), total net weight approximately 16,000 kg per container.
    Shipping Prenol (331) should be shipped in tightly sealed containers, protected from light and moisture. It is classified as a flammable liquid and requires labeling according to transportation regulations. Handle with care to avoid leaks and spills. During transit, ensure containers are upright and securely packed to prevent breakage or accidental release.
    Storage Prenol (331) should be stored in a cool, dry, and well-ventilated area, away from sources of heat, sparks, and open flames. Keep the container tightly closed and store separately from incompatible substances such as strong oxidizers and acids. Use approved containers and avoid prolonged exposure to air and light to prevent degradation. Ensure proper labeling and spill containment measures are in place.
    Shelf Life Prenol (331) typically has a shelf life of 12 months when stored tightly sealed in a cool, dry, well-ventilated area.
    Application of Prenol (331)

    Purity 98%: Prenol (331) with 98% purity is used in fragrance synthesis, where it provides consistent olfactory profiles and minimizes impurities in the final product.

    Viscosity grade: Prenol (331) of low viscosity grade is used in resin modification, where it improves resin flow and processing efficiency.

    Molecular weight 86.13 g/mol: Prenol (331) with molecular weight 86.13 g/mol is used in agrochemical intermediates, where it enables precise formulation and enhances intermediate reactivity.

    Melting point −12°C: Prenol (331) with −12°C melting point is used in lubricant additives, where it ensures liquid state stability under low-temperature conditions.

    Stability temperature 50°C: Prenol (331) stable up to 50°C is utilized in cosmetic emulsion preparation, where it prevents decomposition during manufacturing processes.

    Refractive index 1.441: Prenol (331) with refractive index 1.441 is used in polymer synthesis, where it allows for accurate monitoring of reaction progress.

    Water content <0.1%: Prenol (331) with water content below 0.1% is used in flavor compound production, where it minimizes side reactions caused by moisture.

    Density 0.828 g/cm³: Prenol (331) with density 0.828 g/cm³ is applied in pharmaceutical excipient formulations, where it supports uniform mixing and precise dosing.

    Boiling point 131°C: Prenol (331) with boiling point 131°C is used in specialty solvent blends, where it offers control over evaporation rates.

    Storage stability 12 months: Prenol (331) with 12 months storage stability is employed in adhesive manufacturing, where it guarantees reliable performance over extended storage periods.

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    Certification & Compliance
    More Introduction

    Prenol (331): A Manufacturer’s Perspective on Production, Application, and Product Advantages

    Getting to the Roots of Prenol (331)

    Our daily routine on the production floor starts long before the first trucks roll in with feedstock. The air smells of slight solvent, machinery pulses at a rhythm recognizable to every shift worker, and every batch of Prenol (331) carries the same expectations for purity, color, and performance as the last one. From the front-line operator to the quality lab, there’s shared experience: inconsistent raw material, moisture creeping in from humid storage, even evaporation losses during distillation—each can throw off the next step of this isoprenoid alcohol’s journey.

    The chemical structure of Prenol (331) brings a blend of isomeric alcohols that produce a faint, fruity aroma. As manufacturers, we see the potential for value wherever there’s room for precise control: even a small swing in boiling range, or a narrow cut during fractionation, opens new discussions with formulators and industrial chemists looking for solutions unavailable in commodity alcohols.

    The Model and Why We Keep It Consistent

    We’ve standardized the ‘331’ designation on our Prenol after years of internal plant debate and customer feedback. Model names don’t just help order processing—they tie every batch back to the reactor history and allow faster troubleshooting any time a downstream user calls about a concern. Unlike many alcohols, Prenol (331) brings a richer blend of tertiary and primary alcohol isomers, with a molecular fingerprint easily recognized in industrial QC labs. We maintain tight controls on raney nickel catalyst lifespans and run our reactors within specific temperature windows, both for worker safety and product consistency. Many of us have run test samples through gas chromatography, tracking every peak and making real-time adjustments when a byproduct spike signals upstream drift.

    Consistency matters more than sales copy admits. For every kilogram delivered to a flavor house or a pharma operation, a reproducible blend means fewer headaches for end users, faster QC sign-offs, and closer partnerships with customers who learn they can count on the same properties in every drum.

    What Sets Prenol (331) Apart from Other Chemical Offerings

    We’ve seen plenty of overlapping alcohols come through production since the eighties: isobutanol, n-pentanol, geraniol, even higher molecular weight terpenols. Each brings its own quirks, but Prenol (331) stands out for its combination of volatility, solubility, and the balance of C5 backbone with unsaturation. That means a unique fit for end uses where a single-carbon change or a bit of double bond transforms performance—plasticizers, fragrance intermediates, polymer modifiers, and even specialty lubricants. Customers tell us they can reach aromas or chemical properties not possible with plain pentanols or isomeric forms from other suppliers.

    Our plant team has fielded those calls: “Why does your Prenol work differently in alkyd resin synthesis, while a competitor’s blend creates off-odors?” It usually traces to tighter batch control, minimal side-product, and our commitment to sequestering trace sulfur in finished lots. We avoid slipstreaming unrelated production in the same reactors, which reduces the cross-contamination that plagues some facilities. Our technical staff participates in field trials and troubleshooting from the first phone call to bench chemistry, helping refine blend ratios or spot residues traceable to upstream handling, not just processing equipment.

    Specifications with an Eye to Real-World Performance

    Everybody wants to see the data, but tables don’t capture it all. We train every operator and technician not merely to hit numbers—they’re prompted to spend an extra minute with the product, examine clarity, and note scent deviations. Real-world utility matters more than a narrow boiling point or GC purity figure; low residual aldehydes show up as unwanted flavors in food intermediates, where only off-spec batches reveal themselves weeks after leaving our site.

    Most of our batches travel as clear, colorless liquid with a slight fruity note when freshly packed. Our specs focus tightly enough to keep users out of regulatory headaches—low residuals, sub-ppm sulfur, and controlled water carryover, verified before the final drum is sealed. Sampling protocols run every shift, with on-site labs operating 24/7; we often spot minute byproduct rises even before they threaten compliance.

    Some buyers still recall the old days—impure lots from less careful makers that made entire lines of perfumes turn sour or adhesives fail at odd temperatures. After decades, we’ve accepted the burden of proof falls to the producer, not the downstream user. Serial batch numbers, laboratory reports, and regular calibration underpin every lot.

    Where Prenol (331) Makes a Mark

    Application fields stretch wide. We never expected our batches would travel from resin-impregnated wood laminates to citrus-flavored seltzers, but the demand for C5 alcohols keeps expanding. On the pharma side, one chemist after another describes using Prenol (331) as a building block, slipped into reaction flasks to unlock intermediates for vitamins or specialty surfactants. Smaller industrial operators lean on it in rapid-curing adhesives or plasticizers that bridge molecular gaps between other monomers, leading to products that flex, bind, or dissolve in ways older blends never managed.

    In flavors and fragrances, end users need nuanced raw materials. Prenol (331)’s mild, fruity aromas enable a broader palette for perfumers and concentrate blenders who rely on predictable evaporation behavior and regulatory compliance worldwide. They want to avoid bottlenecks if an EU or US watchdog tweaks the allowed impurity window. Our consistent output reduces recipe reformulation risk every time rules change.

    From industrial coatings, where Prenol helps adjust reactivity for alkyds or carbamate resins, to specialty cleaning yields, its subtle polarity and moderate volatility prove valuable. As environmental standards tighten, the desire for controlled boiling range and low toxicity becomes more than just a selling point—it keeps factories open and supply lines stable.

    Comparisons with Alternative Alcohols: Real-World Lessons

    There’s a regular stream of customer questions about alternatives to Prenol (331). Our tech service crew runs blend tests with isoprenol, n-amyl alcohol, and even complex terpenoids. Most of the time, results fall short: color drifts with heat, off-flavors damage essential oil mixtures, or trace residuals build up in coatings after prolonged storage.

    In practice, customers return to Prenol (331) because it holds up under variable loads—whether blended for flavors or plugged into a catalyst-heavy reaction vessel, the end product absorbs the properties of the alcohol in predictable fashion. We’ve seen it fill performance gaps left by bulk C5–C6 alcohols, particularly in specialty resins where evaporation rate and functionalization matter. Yet the work doesn’t end once a substitute flops. Competitive testing lets us keep an eye on emergent blends, especially those emerging from newly scaled-up bioprocesses or enzymatic syntheses that threaten to overtake established synthetic routes. A few clients now ask if our upstream methods allow renewable feedstock sourcing—some do, but not all, and the discussion is evolving.

    Experiences from the Production Line

    Producing Prenol (331) is not a hands-off operation. Our team spends hours monitoring distillation columns, chasing down hot or cold spots, analyzing fractions on GC and NMR instruments, and adjusting flow rates by increments. Any unplanned deviation leads to visible problems in subsequent blends—cloudiness, unexpected reaction rates, even spoilage during transit.

    Maintenance brings its own hurdles: pumps seize when exposed to water-laden product, seals degrade with time, and even operator fatigue can lead to missed anomalies in logging sheets. But experience breeds caution; old hands on the floor know to check for faint clouding or odors during transfer, signaling problems in earlier processing that might threaten product integrity. Managers review logs, spot-check units, and call in analytics teams as soon as something drifts out of the expected range.

    We’ve automated much but there remains a place for direct observation and quick thinking. Gas leaks, strainer blockages, or poorly calibrated flow control can all introduce contaminants or cost the plant precious output if not caught in time. We invest in regular maintenance, operator cross-training, and technical upgrades as low-level issues, neglected, escalate into repairs bigger than any production quota difference.

    Managing Safety, Environment, and Regulatory Expectations

    Sitting at the confluence of chemical manufacture and regulatory oversight, every batch of Prenol (331) must meet a stack of local and international codes. The team tracks shifting regulations on VOC limits, impurity tolerances, and global shipping needs. Through site audits, surprise inspections, and customer paperwork, we keep documentation spotless because we know that overlooked detail can cost a license or slow a client’s product launch.

    Training runs deep: new operators shadow veterans, learning about safe transfer, vapor recovery, and response to accidental exposure. We’ve refined our flammability controls, splitting processing lines to limit risk, installing sensors for every conceivable leak point, and ensuring emergency response teams run hands-on drills. Environmental monitoring goes beyond compliance, tracking emissions and effluent, always looking for opportunities to cut losses and feed savings back into better process controls.

    Most requests for environmental or hazard data from clients are proactive. Project managers in Europe or California want to audit material traceability or ask if a new impurity warning from Japan will affect their next purchase. We prepare for that ahead of time, running extra product clears and sending more detailed batch histories. More than once, this foresight has smoothed the road for downstream launches and kept long-term relationships intact.

    Supporting Partners through Technical Expertise

    Years of manufacturing build more than mechanical knowhow—they foster trust between producer and customer. Teams on both sides learn what’s possible and what will break. Our R&D chemists field questions daily: solvent replacement ideas, blending for new aroma profiles, or questions about polymerization side-reactions specific to Prenol (331).

    On occasion, we join customer teams on-site, running dose-response trials, troubleshooting off-odors, or reviewing analytic data to track process drift back to shipment or storage. Experience taught us the value of open files and deep records; old lab books, batch QC archives, and logged calls often settle disputes about property drift or one-off contamination.

    Because many applications demand targeted specifications, our staff helps tailor solutions. From guiding a cosmetics lab on reformulating for regulatory change to assisting an adhesive startup with correct dosing, hands-on advice is part of our business culture. Sometimes, that involves nothing more than a quick phone call to explain why a trace component won’t harm downstream mixing. Other times, it means extended troubleshooting, pulling together chemists from both sides until each product layer meets every benchmark.

    Continuous Improvement—Learning from the Unexpected

    No process runs perfectly forever. Raw materials shift in quality, plant utilities power down, or supply disruptions force sudden manufacturing changes. We review incidents after the fact, digging for root causes and sharing lessons internally so errors don’t repeat. Plant upgrades—like online GC-MS, more robust distillation trays, or closed-loading docks—flow from these reviews.

    Plant workers contribute unexpected tweaks that save both time and cost: swapping a transfer hose or changing a filter configuration after spotting residue on clear batches. Steady communication with raw material suppliers helps us react to feedstock drift and ensures specifications remain tight even as sourcing broadens worldwide. Some improvements seem minor—like better drum head seals or new labeling formats—but each lowers the chance of product issues for end users.

    Regular benchmarking against new market entrants or alternative chemistry routes keeps us humble and hungry. Discussions about bio-based alternatives, fermentation-derived C5 alcohols, and green chemistry mandates shape our future product development plans. The dialogue with downstream buyers, demanding lower footprint or greater purity, forces creativity and innovation inside the plant.

    Closing Reflections: Why Experience Matters for Prenol (331)

    Manufacturing chemicals never boils down to just hitting numbers. Every day, a blend of intuition, memory, and technical accuracy carries Prenol (331) from raw material to finished drum. On the production floor and in meeting rooms, our team has learned to listen, adapt, and maintain the integrity that matters most to partners using our products in their own demanding applications.

    We find satisfaction not simply in making specification, but in delivering the confidence for downstream innovation. Whether our Prenol serves as a construction block for pharma intermediates, a refining tool for flavors, or a performance enhancer in modern composites, it has earned its place on the market because of continuous investment, transparent collaboration, and a willingness to confront every new challenge with clear eyes and practical expertise.