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4-Penten-1-ol

    • Product Name 4-Penten-1-ol
    • Alias pent-4-en-1-ol
    • Einecs 211-087-6
    • 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

    364127

    Name 4-Penten-1-ol
    Formula C5H10O
    Molecular Weight 86.13 g/mol
    Cas Number 821-09-0
    Appearance Colorless liquid
    Boiling Point 130-133 °C
    Melting Point -75 °C
    Density 0.843 g/mL at 25 °C
    Refractive Index 1.424
    Flash Point 35 °C
    Solubility In Water Miscible
    Structure CH2=CHCH2CH2CH2OH

    As an accredited 4-Penten-1-ol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The 4-Penten-1-ol is packaged in a 250 mL amber glass bottle with a secure screw cap and clear hazard labeling.
    Shipping 4-Penten-1-ol should be shipped in tightly sealed containers, protected from heat, flames, and direct sunlight. Transport in compliance with local, national, and international regulations for flammable liquids (typically UN 1993, Class 3). Ensure proper labeling and include relevant Material Safety Data Sheet (MSDS). Store and handle in well-ventilated areas.
    Storage 4-Penten-1-ol should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from sources of ignition. Protect it from heat, light, and incompatible materials such as oxidizing agents and acids. Store the chemical in a flammable materials cabinet, and ensure proper labeling to prevent accidental misuse or exposure.
    Application of 4-Penten-1-ol

    Applications of 4-Penten-1-ol in Industrial Manufacturing

    4-Penten-1-ol serves as a specialized intermediate in several advanced industrial fields, where its terminal alkene and primary alcohol functionalities enable key downstream chemical transformations. This section details practical and verifiable application scenarios, focusing on the requirements, formulation parameters, and process integrations unique to each manufacturing sector.

    1. Synthesis of Pharmaceutical Intermediates (API Synthesis)

    Our 4-Penten-1-ol is routinely selected by pharmaceutical manufacturers as a C5 building block for complex active pharmaceutical ingredient (API) synthesis, especially in processes requiring a reactive alkene side chain for further functionalization. Its use supports efficient heterocyclic ring construction, side-chain elongation, and serves as a precursor for esterification or oxidation steps in API routes. Downstream customers favor this material for its consistent purity and control of organoleptic impurities, enabling batch-to-batch reproducibility demanded by regulated API syntheses.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice
    • 21 CFR Part 211 (US FDA cGMP for Finished Pharmaceuticals)
    • European Pharmacopoeia Monographs (where applicable)
    • Qualified supplier audit protocols for API intermediates

    Typical usage ratio

    • 0.5%–3% as a starting material on total batch mass; subject to adjustment based on stoichiometry in multi-step synthesis and target API yield requirements

    Downstream process integration

    • Fed into alkylation or acylation steps during intermediate synthesis
    • Added prior to cyclization or oxidation in stepwise manufacturing lines
    • Purified via distillation before entering protected group strategies

    Final product types

    • Sartan intermediates
    • Beta-lactam building blocks
    • Allylic API side chain fragments
    • Complex heterocyclic pharmaceutical actives

    2. Polymer Modifier in Specialty Coatings and Resins

    Manufacturers in high-performance coatings employ 4-Penten-1-ol as a chain transfer agent and crosslinking modifier, exploiting its unsaturated alcohol structure. This enables tailored flexibility, adhesion, and weathering characteristics in UV-curable and thermosetting polymer resin systems. The raw material’s consistency in reactive group content ensures downstream polymerization reactions proceed with predictable conversion and minimal unwanted side-products, supporting advanced quality control in formulation operations.

    Industry compliance standards

    • ISO 9001:2015 (Quality Management for Coating Materials)
    • REACH Regulation (EC) No 1907/2006
    • ASTM D5895 (Cure-by-UV Drying of Coatings)
    • Directive 2004/42/EC (VOC content in paints and varnishes)

    Typical usage ratio

    • 0.2%–1.5% of total monomer mix in UV-curable resins; adjusted to target final film crosslink density

    Downstream process integration

    • Directly added into pre-polymer melt tanks with continuous mixing
    • Introduced during in-situ resin backbone modification before solvent blending
    • Metered dosing for copolymerization with acrylates or epoxies

    Final product types

    • Weather-resistant paints and automotive refinish topcoats
    • High-adhesion UV-cured wood finishes
    • Industrial floor coatings
    • Specialty structural adhesives

    3. Precursor for Fragrance and Flavor Ester Synthesis

    The fine chemicals sector uses 4-Penten-1-ol as a key feedstock for esterification, producing specialty fragrance and flavor esters that benefit from the unique unsaturated backbone of the alcohol moiety. Its precise specification and trace-impurity control is critical for ensuring compliance with food and cosmetic regulations. Consistent performance in continuous or batch esterification units underscores its value for customers manufacturing natural-identical and synthetic aroma ingredients.

    Industry compliance standards

    • IFRA (International Fragrance Association) Codex
    • EU Regulation (EC) No 1223/2009 (Cosmetics Regulation)
    • FCC (Food Chemicals Codex) for permitted esters
    • ISO 9001:2015 Food/Cosmetic Ingredient Quality Systems

    Typical usage ratio

    • 1.0%–8.5% of total reactant mass in esterification processes; fine-tuned by target ester volatility and olfactory threshold

    Downstream process integration

    • Charged into batch reactors for direct Fischer esterification with fatty acids
    • Fed to continuous flow reactors for scale-up of aroma ester synthesis
    • Quality control release after purification and GC/FID verification

    Final product types

    • Pentenyloxy esters for fruity or green odor notes
    • Natural-identical flavor blends
    • Intermediate aroma chemicals for perfumery bases
    • Specialized food additive blends

    4. Reactive Intermediate for Silane Coupling Agent Production

    Producers of organofunctional silanes use 4-Penten-1-ol as a critical alcohol precursor in hydrosilylation and etherification reactions, creating high-performance silane coupling agents needed for advanced composites, sealants, and glass fiber sizing. The molecular configuration ensures strong alkoxyl-alkene reactivity and enhances grafting efficiency in downstream silanization processes used in polymer modification and electronics encapsulation.

    Industry compliance standards

    • ISO 14001 (Environmental Systems for Chemical Plants)
    • UNI EN ISO 9001:2015 (Silanes Manufacturing QMS)
    • REACH pre-registration for organosilane substances
    • UL 746C (Polymeric Compounds for Use in Electronics Equipment)

    Typical usage ratio

    • 2.5%–10% depending on target silane chain length and functionality

    Downstream process integration

    • Fed into controlled hydrosilylation reactors under platinum catalyst
    • Used in liquid-phase etherification with chlorosilanes for bridge formation
    • Purified by multi-stage distillation prior to functional group conversion

    Final product types

    • Alkoxy silane coupling agents
    • Glass fiber surface treatment additives
    • Silane-modified polymers for electronics
    • Hybrid silicone sealant base materials

    5. Raw Material in Agrochemical Active Ingredient Synthesis

    Selective agrochemical manufacturers utilize 4-Penten-1-ol to build unsaturated molecular motifs essential in the synthesis of certain herbicide and fungicide actives. The compound’s alkene function acts as an insertion or extension site in multi-step chemical transformations, contributing to the final efficacy and selectivity of crop protection agents. Absolute control over trace impurities is critical to avoid impacting downstream biological activity or environmental loading.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • ISO 17025 (Testing Laboratory Accreditation for Pesticides)
    • OECD Principles of Good Laboratory Practice (GLP)
    • REACH Registered Substances (Agrochemical Use)

    Typical usage ratio

    • 0.8%–4.0% in synthesis steps, dependent on target entity molecular weight and reaction staging

    Downstream process integration

    • Dosed as a nucleophilic addition agent in early synthesis stages
    • Consumed in isomerization or halogenation reactions
    • Integrated into pilot and full-scale continuous production lines for new active ingredients

    Final product types

    • Alkene-modified herbicides
    • Pentenyloxy-substituted fungicide actives
    • Precursor molecules for veterinary crop protection agents
    • Custom intermediates for contract agrochemical production
    Free Quote

    Competitive 4-Penten-1-ol prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.

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    Certification & Compliance
    More Introduction

    4-Penten-1-ol: An Insider’s Perspective from the Production Floor

    Getting to Know 4-Penten-1-ol: Not Just Another Building Block

    In the world of specialty chemicals, 4-Penten-1-ol doesn’t try to stand out with flashy marketing or grand claims. It makes its mark in labs and production lines where honest, reliable performance matters more than buzzwords. As manufacturers, we watch every batch of 4-Penten-1-ol leave our reactors, knowing the work and consistency behind it. Our chemical measures at a molecular weight of 86.13 g/mol, and it shows up as a clear, colorless liquid with a faint, sharp scent that seasoned chemists recognize before they even check the label. The formula—C5H10O—tells its tale of five carbons and a terminal alcohol paired with a double bond, offering reactivity and flexibility that lesser compounds can’t match.

    Making the Grade: How Production Approach Defines Character

    What we put into 4-Penten-1-ol, from raw materials to process design, creates difference you notice both in the lab and in finished product performance. During synthesis, we rely on clean handling and careful distillation, holding impurities below 0.5%. The final distillate shows up at over 98% purity— checked with gas chromatography, not wishful thinking. Water content stays under 0.2% because even a hint of excess moisture can foul a catalyst or spoil a polymerization run. Before packing, we test for aldehydes, common byproducts, and keep them well below functional thresholds.

    Some products you buy aren’t as clear-cut. We’ve seen competitors offer grades that contain trace ethers or higher alcohols, which can interfere when you’re aiming for precision in specialty syntheses. Our refusal to blend down grades or cut corners means greater confidence on your side as customer—nothing more, nothing less.

    How 4-Penten-1-ol Moves Industry Forward

    Over the years, our team has seen this molecule bring us to the heart of polymer research, pharmaceuticals, fragrance synthesis, and agrochemicals. It fills its role as a versatile intermediate because the structure delivers two vital reactivity centers: the terminal alcohol and the five-carbon double bond. When you’re controlling the chain length or choosing where to functionalize, that setup saves time and chemical steps.

    Take the field of polymer modification. The alcohol end allows for easy initiation with isocyanates, diacids, or acrylates, anchoring 4-Penten-1-ol into prepolymers or specialty copolymers. In radiation-curable coatings, it reacts predictably and efficiently, improving flexibility or adding hydrophilicity without causing discoloration. Labs and factories producing fine fragrances prize the compound’s dual reactivity, which unlocks specialty esters or lactones that shape signature scents with a pleasant, often subtle, green note.

    For those working with agricultural chemicals, the molecule’s five-carbon backbone fits snugly into various synthetic routes. We’ve watched customers employ 4-Penten-1-ol in the preparation of pheromone building blocks and specialty herbicides, exploiting both the alkene and alcohol ends for efficient coupling reactions.

    Walking the Talk: Quality and Usability Beyond Spec Sheets

    In our process, we notice small changes in color or odor can hint at unwanted polymerization—a risk for any unsaturated alcohol. Older stock or poorly stabilized batches tend to form gums or cloudiness near the cap or along the container walls. To head this off, we stabilize each lot with measured aliquots of copper or other polymerization inhibitors, then seal the containers under dry nitrogen. Every label includes a batch number that links back to full traceability, not just for regulatory paperwork but for our own sense of pride in making something that works right every time.

    We avoid recycled drums or mixed-content totes for this reason. Even trace residues from a previous batch of butyraldehyde, for example, would risk cross-contamination. That’s not part of the shortcut culture here. This way, our clients avoid losses from unexpected side reactions mid-batch—saving both time and material costs.

    Working with Chemists, Not Just Selling to Them

    Some of our most genuine discussions happen with process chemists who call in with an application in mind but face a challenge on their line. One team developing an innovative UV-curable adhesive came to us frustrated after poor reactivity with a competitor’s product led to low yields and uneven curing. After reviewing their process, we pointed out that traces of diols and polymeric impurities could be stalling their initiators or acting as scavengers for their catalysts. We shipped them technical grade 4-Penten-1-ol with documented purity data—problem solved, yields rose, and curing became predictable.

    We stick with these conversations because real people count on this material. That’s part of the manufacturer’s code: listening, reviewing chromatograms, sometimes preparing custom runs to fit niche requirements when needed.

    The Nuts and Bolts: Handling and Storage for Real-World Needs

    4-Penten-1-ol acts as a friend to the well-run chemical storehouse but can become a foe to poorly managed stockrooms. The double bond in the molecule can attract oxygen and light, triggering slow polymerization or color changes. In our own warehouse, we keep all storage tanks blanketed with nitrogen and set up dark, cool spaces to minimize exposure. Stainless steel or glass-lined vessels work best because they prevent metal-catalyzed side reactions. Our packing team uses UN-certified HDPE drums or lined steel containers and double-checks all seals before shipping.

    While not acutely toxic, 4-Penten-1-ol deserves the usual handling common sense. Splashing the skin or breathing vapors in high concentrations can irritate, so we keep strong ventilation in our drum-filling bays and push regular PPE checks. As a manufacturer, we train our employees with real-life case studies: stories of minor incidents and lessons that improved both safety and process quality.

    Supply Reliability: What Matters in Bulk Sourcing

    From the manufacturer side, the raw materials—usually derived from renewable feedstocks or petrochemical cracking fractions—determine both cost and consistency. Supply chain hiccups (think hurricanes, strikes, or refinery outages) can tighten the market, but we maintain buffer inventory and secondary sourcing routes. This way, no one stalls waiting for a critical input.

    Many in our field rely on third-party packagers or blend down leftover batches to meet short-term demand spikes. We keep full control from reactor to customer dock, so every drum reflects our own investments, rather than a trader’s shortcut.

    4-Penten-1-ol Compared: Standing Apart from Related Alcohols

    Some ask why not switch to 3-buten-1-ol, allyl alcohol, or 2-penten-1-ol, all similar in theory but different in practice. 3-Buten-1-ol, for example, brings a shorter chain and less spatial separation between double bond and alcohol, which changes its reactivity toward epoxides and acids. Allyl alcohol, with its three-carbon backbone, leans toward more volatility and higher toxicity, narrowing its safe handling window. In our experience, 2-penten-1-ol’s internal double bond shortens its synthetic reach—limiting selective ring closure and alkylation possibilities. The value of 4-Penten-1-ol lies in the combination of chain length, terminal functional groups, and manageable volatility (its boiling point stands near 130°C), which balances reactivity and control for chemists aiming for specific end-products.

    Some products can stand a bit of leeway in chain length or purity—crude flavor intermediates or low-value resins, perhaps. Most of our customers, though, demand tight specifications because just one impurity can torpedo a pharmaceutical registration or cause batch-dependent shifts in a fragrance formulation. That drives our commitment to strict internal standards.

    Traceability and Accountability as Standard Practice

    There’s no guessing game for us after material leaves our site. Every container bears full batch information with certificates available—covering chromatographic purity, water, and byproduct content with measured figures, not estimates. Our logs track everything from raw material lot numbers to reactor parameters to packing details, so we resolve questions fast and accurately. This approach didn’t appear overnight; it took years of responding to customer audits and regulatory shifts. We learned early that clear records back up trust and take the heat out of tense troubleshooting calls.

    Counterfeits and adulterated lots do pop up in some markets. We’ve handled returns from cautious buyers who noticed off-odors or cloudiness and reached out for testing. Our own analytics typically confirm the product wasn’t ours—subtle differences in byproduct fingerprinting or stabilizer content are hard to fake. The lesson is simple: legitimate manufacturers trace their product chain; fly-by-nights don’t.

    What Discerning Chemists Value Most in 4-Penten-1-ol

    Applications in medicinal chemistry illustrate the point well. Those who screen combinatorial libraries or craft advanced intermediates can’t afford background impurities that muddy their data. In those cases, 4-Penten-1-ol can slot in as a linker, a coupling partner, or a handle for further derivatization. Each reaction counts, each yield measured in both grams and reliability. Anyone striving for regulatory submission or scale-up needs assurance they’re not just buying a name—they’re buying a process and a guarantee. We deliver that by refusing the easy route and keeping eyes on every key metric.

    In fragrance and flavor houses, subtle notes matter. Trace contaminants can overpower a delicate base or throw an entire note structure off balance. As we’ve refined our purification steps, we noticed experienced perfumers could sense a change in purity as easily as our GC instruments. Their feedback shaped how we monitor and improve our process, and we’ve built loyalty with houses that appreciate both clean material and honest discussion when needs shift.

    Improving Efficiency, Reducing Waste: Sustainable Manufacturing in Focus

    Sustainability isn’t a box we check because it looks good in marketing. The feedstocks for 4-Penten-1-ol often come from renewable sources, especially in regions with active bio-refinery networks. Our own shift toward lower energy distillation and solvent recycling meant we reduced our plant’s emissions per kilogram produced by over 20% in four years. Such upgrades didn’t always come easy—site engineers debated investments versus returns, but we saw the results: lower off-gasses, higher product recovery, and stronger relationships with downstream partners who now include sustainability metrics in supplier audits.

    Waste minimization isn’t just about effluents; it runs through solvent selection, energy recapture, and re-use of cleaning streams. Every drum loaded for shipment carries with it a hidden story of process decisions, each made to cut resource use without cutting corners. Some in the field take shortcuts. We simply don’t.

    Meeting Challenges: Upcoming Trends and Solutions in Alkene-Alcohol Chemistry

    Each year, new application notes and journal articles highlight 4-Penten-1-ol’s value in fields as diverse as radical cross-linking, click chemistry, and emerging biomedical scaffolds. Many of these new uses push the limits of reactivity—tighter tolerances on peroxide content, lower base impurities, or custom stabilizer loading. We meet these challenges not by guessing, but by investing in pilot runs, scale-up experiments, and direct feedback from the research bench to the plant floor.

    One group targeting biodegradable specialty plastics asked us to experiment with a non-standard stabilizer. After collaborative trials, we found a way to prep a batch with the required additive, ship a sample batch, and follow up on every data point from their production. These relationships drive our innovation, much more than transient price competition.

    This give-and-take process supplies more than an isolated batch; it supplies insight. Customers enter new application spaces with confidence, supported by a supplier willing to adjust, document, and respond as a true partner.

    4-Penten-1-ol and the Path Forward

    In chemical manufacturing, some things will never go out of style: honesty in what’s delivered, accountability when it counts, and the daily drive to deliver a product that helps others create further value. 4-Penten-1-ol stands as a living example— not just a chemical, but a measure of consistency for every lab and production line it touches. Whether being used in a pharma R&D lab, a polymer pilot plant, or a master perfumer’s workshop, this molecule’s legacy keeps growing through the dedication of those who make, test, and stand behind it.

    As specialists able to trace our production from raw material right through to the capped drum, we feel a personal stake in each batch’s journey. 4-Penten-1-ol leaves our plant with a pedigree earned by process design, continual upgrades, and lessons learned from generations walking chemical floors. We don’t claim to make the world’s only 4-Penten-1-ol, but every kilogram with our batch number carries a promise engineered from the ground up.

    Navigating the complex waters of modern chemical supply means more than just hitting targets for purity and reactivity. It means backing up promises with real-world process, adapting to meet advancing regulations, and standing ready when chemists reach for the phone with a question or an idea. With every shipment of 4-Penten-1-ol, we deliver more than a molecule—we deliver a collaborative experience based in transparency, hands-on expertise, and mutual respect for what honest manufacturing means. The road ahead remains challenging, but the foundation we’ve built gives us both confidence and pride to keep delivering, decade after decade.