Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
Follow us:

5-Bromopentyl Acetate

    • Product Name 5-Bromopentyl Acetate
    • Alias 1-Acetoxy-5-bromopentane
    • Einecs 259-010-0
    • 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
    VTB
    Specifications

    HS Code

    810196

    Product Name 5-Bromopentyl Acetate
    Cas Number 3857-27-8
    Molecular Formula C7H13BrO2
    Molecular Weight 209.08
    Appearance Colorless to pale yellow liquid
    Boiling Point 94-96°C at 12 mmHg
    Density 1.258 g/mL at 25°C
    Refractive Index 1.4510-1.4530
    Purity Typically ≥97%
    Solubility Insoluble in water, soluble in most organic solvents

    As an accredited 5-Bromopentyl Acetate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 5-Bromopentyl Acetate, 100g: Supplied in an amber glass bottle with a secure screw cap, labeled with hazard warnings and batch details.
    Shipping 5-Bromopentyl Acetate is shipped in tightly sealed containers to prevent leaks and contamination. It should be packaged according to hazardous chemical regulations, typically in glass or high-density polyethylene bottles, cushioned to avoid breakage. Ensure proper labeling and documentation, and ship under ambient temperature conditions, following all relevant safety and transport guidelines.
    Storage 5-Bromopentyl acetate should be stored in a cool, dry, and well-ventilated area, away from sources of ignition, heat, and direct sunlight. Keep the container tightly closed and protected from moisture. Store separately from strong oxidizers, acids, and bases. Use proper chemical-resistant containers and ensure that spill containment measures are in place. Always follow local regulations for chemical storage.
    Application of 5-Bromopentyl Acetate

    Applications of 5-Bromopentyl Acetate in Industrial Manufacturing

    As the source manufacturer, we supply 5-Bromopentyl Acetate for precision integration into diverse chemical synthesis and formulation lines. Below, we present validated downstream applications in key industrial sectors, detailing compliance, process implementation, recommended dosing, and representative end-products.

    1. Pharmaceutical Intermediate for Active Ingredient Synthesis

    Pharmaceutical manufacturers employ 5-Bromopentyl Acetate as a controlled alkylating agent in multi-step synthesis of beta-blockers and other therapeutic compounds. The acetate group’s reactivity enables targeted substitution to introduce bromide-functionalized side chains during GMP-compliant production. Chemical engineers select this intermediate to achieve strict impurity profiles and lot traceability in API finishing stages.

    Industry compliance standards

    • ICH Q7 GMP Guidelines
    • EU Regulation (EC) No 1907/2006 (REACH)
    • USP General Chapter <797> for pharmaceutical compounding
    • FDA 21 CFR Part 211

    Typical usage ratio

    • Applied at 0.85–1.15 molar equivalents relative to core structure to ensure complete conversion during alkylation. Variances depend on substrate reactivity and process scale-up considerations.

    Downstream process integration

    • Introduced after initial scaffold assembly, just before cyclization or quaternization steps in laboratory or pilot-plant pharma synthesis.
    • Pre-purified by distillation prior to use to meet residual solvent limits.

    Final product types

    • Beta-blocker intermediates (e.g., pindolol, propranolol derivatives)
    • Specialty alkylated amines
    • API precursor compounds

    2. Agrochemical Synthesis (Insecticide and Herbicide Intermediates)

    Formulators in the agrochemical industry utilize this compound as a building block for introducing pentyl-bromide moieties into pesticide and herbicide molecules. It enables regioselective modification in heterocycle alkylation, impacting solubility and field durability in crop protection agents. Process chemists optimize reaction sequences to align with environmental and operator safety compliance.

    Industry compliance standards

    • ISO 9001:2015 Quality Management Systems
    • European Directive 91/414/EEC (Plant Protection Products)
    • US EPA 40 CFR Part 158 (pesticide chemical data requirements)
    • FAO/WHO guidelines for pesticide specifications

    Typical usage ratio

    • Specifications recommend 1.0–1.3 equivalents to assure complete side-chain functionalization; adjusted for intended active loading and field performance requirements.

    Downstream process integration

    • Introduced during late-stage heterocyclic alkylation to prevent undesired isomer formation. Post-reaction, operators remove process residues via column purification.

    Final product types

    • Pyridine-based herbicides
    • Pyrethroid insecticide precursors
    • Custom crop protection intermediates

    3. Synthesis of Fragrance and Flavour Esters

    Specialty fragrance and flavour manufacturers use 5-Bromopentyl Acetate for the synthesis of brominated acetate esters, which serve as aroma-active ingredients or developer compounds in artificial flavors. The acetate backbone imparts a fruity note, while the brominated side chain modifies volatility and olfactory threshold in finished blends. Production teams implement rigorous trace impurity testing during compounding.

    Industry compliance standards

    • IFRA Code of Practice
    • EU Regulation (EC) No 1334/2008 on flavourings
    • US FDA 21 CFR Section 172.515 (synthetic flavouring substances)
    • ISO 9001 Quality System for food additives

    Typical usage ratio

    • Formulated at 0.5–2.0% by mass in concentrated ester production stages; concentration depends on end product volatility profile and sensory evaluation results.

    Downstream process integration

    • Reacts with alcohol or aldehyde substrates under acid catalysis; final products distilled under vacuum to remove unreacted material and meet food safety thresholds.

    Final product types

    • Aroma chemicals for personal care
    • Artificial fruit flavourings for processed foods
    • Brominated ester modifiers for perfumery bases

    4. Polymer and Resin Modifier Synthesis

    Polymer manufacturers harness 5-Bromopentyl Acetate for incorporation of reactive bromopentyl groups into specialty monomers and prepolymers. This structural modification enables downstream cross-linking and halogen-based flame retardance in targeted thermoset and thermoplastic materials. Engineers manage process stream compatibility and dosing precision to prevent polymer property drift and maintain batch consistency.

    Industry compliance standards

    • ISO 14001:2015 Environmental Management
    • RoHS Directive 2011/65/EU (restriction of hazardous substances)
    • UL 94 Flammability Standards for Plastics
    • REACH Annex XVII entry on organobromine flame retardants

    Typical usage ratio

    • Typical feed for polymer modification: 0.3–3.0% by mass, determined by targeted flammability rating and mechanical strength criteria in finished composite materials.

    Downstream process integration

    • Dosed in pre-polymer melt or solution-phase procedures, enabling in situ functionalization prior to extrusion or thermal curing. Process adjustments account for intermediate volatility under reaction conditions.

    Final product types

    • Flame-retardant epoxy resins
    • Specialty polyesters for coatings
    • Modified acrylate monomers for electrical encapsulants
    Free Quote

    Competitive 5-Bromopentyl Acetate 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.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: admin@sinochem-nanjing.com

    Get Free Quote of Sinochem Nanjing Corporation

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    Introducing 5-Bromopentyl Acetate: A Manufacturer's Perspective

    Production Experience and Consistency

    Years of hands-on processing experience have taught us that chemical manufacturing has little tolerance for shortcuts. Over the last decade, our team focused on optimizing 5-Bromopentyl Acetate for purity and reliability, not just paper specs. Reliable yields and contamination-free output require sharp attention to detail early in the process, particularly during bromination and acetylation. Without strict control over moisture and reaction temperature, batch irregularities show up fast, especially at scale. Maintaining closed system transfers and constant agitation during acetyl chloride addition keeps the product on target, every time.

    We don’t cut corners with storage or raw material sourcing. Cross-contamination from other brominated intermediates is the quickest way to ruin a batch and drive up downstream purification costs. Corrosion-resistant reactors and lined vessels prevent contact between product and metal surfaces, ensuring corrosion by-products don’t creep into the product. We’ve found regular line flushing and monitoring for trace metal leaching critical to Preserve Acetate purity, and we lean heavily on periodic, instrument-led quality checks instead of batch spot checks.

    Why Focus on 5-Bromopentyl Acetate?

    Market shifts in pharmaceutical intermediates and fine chemicals have kept demand for 5-Bromopentyl Acetate strong. Some buyers might focus on bulk suppliers, but experience tells us end users prioritize reliability and process consistency. Most feedback cycles highlight that off-spec batches, even with minor impurity profiles, slow down R&D pipelines and risk costly regulatory headaches later. Precision in early-stage synthesis translates to easier downstream processing for our partners, since many use 5-Bromopentyl Acetate to introduce a controlled five-carbon linker into more complex molecules.

    Our chemists understand that for custom synthesis, every side product impacts overall success. We’ve tailored our production setups to keep alkyl bromide side reactions below detectable limits. GC analysis consistently shows purity exceeding industry norms, and this didn’t happen overnight. We invested in both analytical technology and skilled people, reducing human error as much as possible. This focus on minimizing unwanted byproducts gives our acetate a smoother performance in coupling and substitution reactions, a point our long-term clients keep raising as a key differentiator.

    Practical Applications and Real-World Uses

    Many of our partners work in drug discovery. Their projects demand intermediates like 5-Bromopentyl Acetate that behave predictably in alkylation and nucleophilic substitution steps. Under carefully tuned lab conditions, this acetate forms a robust five-carbon chain with a terminal ester easily cleaved or modified. Medicinal chemists highly value the functional flexibility, as the bromide offers a reliable site for forming carbon-nitrogen or carbon-sulfur bonds—both pervasive motifs in small-molecule APIs.

    The chemical’s performance doesn’t stall in multi-step synthesis. We’ve watched polymer chemists use this acetate to build segment-block copolymers with strong, uniform chain growth. Its volatility and moderate boiling point (hovering around 85-88°C at 4 mmHg) allow for easy removal or recovery by distillation, keeping downstream reactors crystal clear of excess reagent. The predictable chain length also aids lubricant and surfactant manufacturers seeking to embed hydrophilic or hydrophobic functionalities into more complex formulations.

    Agriculture R&D circles lean on this product’s dual reactivity: bromine and acetate both serve as versatile handles for crop-protection agent design. We’ve worked closely with researchers blending 5-Bromopentyl Acetate into novel pesticide scaffolds, exploiting its chemical hooks for the attachment of active ingredients. Experience tells us that consistent carbon backbone length ensures bioactivity and minimization of off-target environmental effects.

    Stand-Out Differences from Other Alkyl Bromides and Acetates

    We frequently field questions about how 5-Bromopentyl Acetate stacks up against shorter and longer chain analogues. This product sits in a useful middle ground—a five-carbon chain retains more backbone flexibility than three- or four-carbon variants, but still avoids the viscosity and handling headaches associated with longer straight-chained homologues. In real-world manufacturing, this translates into easier dosing, better mixing in bulk reactors, and fewer clogs or viscosity-related waste issues.

    Unlike lower alkyl bromides, 5-Bromopentyl Acetate resists atmospheric moisture uptake, which not only preserves product weight during storage but also makes it easier to handle in humid environments. On the other end, longer chains bring higher boiling points, which complicates removal by evaporation and adds thermal stress to reactors—an issue we rarely face with this five-carbon version.

    Acetate functionality sets it apart from the more common 5-bromopentanol, which is prone to oxidation and can introduce reactivity before the user wants it. The acetate group protects the terminal alcohol, deferring its release until conditions call for it, such as the introduction of a base or acid for selective deprotection. Pharmaceutical labs, in particular, appreciate this tweak—the difference between protected and unprotected intermediates means cleaner transformations and higher yields during custom compound assembly.

    Specs and Model Information from a Working Lab

    Over years of production, our quality team dialed in product specs by correlating real application feedback with analytics, rather than chasing arbitrary number targets. We target a purity above 99% by GC area, yet real value stems from controlling trace by-products and minimizing water content. Chasing a lower water spec means every drum stays stable on its way to conversion.

    Color typically measures clear and near colorless, verified by visual and UV tests. Storage experience shows the need for tightly sealed containers, lined with fluoropolymer or glass, to avoid bromide migration into surrounding packaging. Our best storage results come from cool, dry warehouse settings, ideally with a nitrogen cover above the liquid for longer-term shipping. We never rely on ambient warehouse conditions for more than 30 days, based on data collected from retained reference samples across multiple global shipping climates.

    Product batch sizes vary. R&D groups receive lots starting from 500 grams, while industrial users often order upwards of 100 kilograms per consignment. Pure product, shipped in glass or high-density polyethylene drums, meets the different scale requirements without loss of integrity.

    Based on partner feedback, each container ships with a full C of A, but what matters most is not the paper—it’s that our technical support team retains a reference sample from every batch. This allows real-time issue response, not theoretical advice when challenges arise.

    Product Safety, Waste, and Environmental Thoughts

    We take environmental protection seriously. Plant protocols across all stages include solvent recovery, bromine capture, and effluent neutralization. Experience shows that losing track of brominated organics in waste streams leads to expensive remediation and stricter oversight, making prevention more cost-effective in the long run. Vent scrubbers and real-time VOC monitors form part of our standard suite, not afterthoughts tacked onto the process.

    Waste minimization has a practical side too. By dialing in excess reagent ratios and actively managing bath temperature, we prevent runaway reactions that generate unusable by-product and reduce overall atom efficiency. Most off-spec streams find their way into secondary recovery, either by re-distillation or conversion into lower-grade, non-pharmaceutical stock for less critical markets.

    Lab safety standards treat all alkyl bromides with respect, given their reactive haloalkane backbone. That means full nitrile gloves, eye protection, and positive air movement in enclosed spaces. Our staff report a preference for enclosed transfer systems and vented hoods, especially when handling multiple kilograms. Documented exposure events have dropped over 90% since installing full system enclosures years ago.

    Supply Chain, Traceability, and Authenticity

    Supplying sensitive intermediates worldwide, supply chain integrity has become a daily priority. Adulteration and mislabeling pop up too often when third parties resell or split drums. All our drums feature tamper-proof closures and color-coded tags, plus unique batch labeling traceable to raw material lot numbers and reaction logs. This ensures traceability, not just for paperwork, but to track down the exact batch in the rare event of end-user compliance queries.

    We rarely see product recalls for 5-Bromopentyl Acetate, but when difficulties surface, our engineers can trace the timeline from raw bromine to finished acetate, offering peace of mind for clients with strict IP or regulatory requirements. Our long-term approach builds trust with researchers purchasing research-scale lots as well as pharma partners onboarding multi-ton commitments.

    Over-inventory raises its own risks. Shelf stability gradually decreases after 18 months, and storing too large a buffer invites hidden loss to hydrolysis. We actively discourage oversized purchases, guiding clients toward just-in-time shipments that reflect real project timelines.

    Improvements Driven by Customer Partnership

    Direct feedback steers our product evolution. Several chemistry teams struggled with excess residual solvents in early lots; we worked side by side with clients to optimize final product washes using vacuum stripping and tailored solvent blends. That cut acetone and DCM traces below the reliable detection threshold by GC-MS, sharply reducing flavor drift in API candidates.

    Other partners flagged minor yield dips when substituting 5-Bromopentyl Acetate from different suppliers, stemming from unreported trace contaminants. Our in-process testing now scans for a broader benzene ring-spillover fingerprint, not just headline impurities—a practice we instituted after a round of customer collaborative analyses.

    Less glamorous but crucial, packaging customization came straight from bulk buyers running extruders. They needed drum sizes that fed directly into reactor hoppers without extra handling. Collaboration with engineers led to a line of custom drum sizes and compatible adapter valves, now standard in our shipping inventory.

    On-site support makes a difference too. When a pharmaceutical chemist reported clogging in their automated pipette lines during pilot runs, our process engineers traced the problem to trace condensation in shipping—solved by switching from standard PCR seals to heat-shrink, moisture-resistant caps. Project downtime dropped, reinforcing the value of direct feedback loops.

    Lessons Learned in Consistency and Innovation

    Constant improvement shapes our approach. Each year, we analyze process analytics alongside customer feedback, which keeps product specs meaningful and not just box-checking exercises. Challenge-driven improvements—like finer water content controls and upgraded reactor cleaning cycles—root themselves in lessons learned from both plant floor and loading bay.

    At one point, we swapped to an alternative solvent system for cost savings. Increased reaction time and drop in yield told us fast that false economies don’t pay. We reverted to our tried and tested reaction solvent, reaffirming process resilience matters more than marginal cost gains. This hands-on lesson led to an internal focus on total process cost, where yield, labor time, and waste factor into the real cost of each kilogram manufactured.

    Continual training drives consistency. New technicians undergo side-by-side oversight, not just online modules or checklists. We believe institutional memory, built from close trainee-mentor relationships, establishes long-term continuity in batch outcomes. Small process tweaks—who adds what and when—mean the difference between meeting spec and wasting half a shift on rework.

    Trends and Future Directions

    We keep a close eye on the horizon. The push for greener, halogen-free chemistry has major implications for the sector. Working in a brominated chemistry niche means we commit resources to post-reaction bromine recovery and partial process integration, both to reduce environmental burden and keep pace with shifting regulatory frameworks. One tangible step—rollout of a solvent recycling unit in our main plant—cut net solvent use by over 25% last year, a change requested by several multinational partners focusing on sustainability.

    Interest in continuous-flow bromination processes rises year on year, fueled by pharma clients seeking reproducibility and shorter scale-up validation cycles. Our pilot-scale continuous reactor now produces circulation data for real-time adjustments. This enhances batch-to-batch harmony while keeping worker exposure rates at their lowest.

    We watch custom synthesis demands evolve with each new batch of pipeline drugs or specialty polymers. Clients build more sophisticated molecules using our intermediate. Staying agile in product consistency, supply timing, and technical support allows us to partner not just as a supplier, but as an extension of their own chemistry teams.

    Conclusion Built on Experience, Not Promises

    Decades of practical manufacturing build a different perspective from resellers or brokers. Direct experience with 5-Bromopentyl Acetate—watching each batch move from raw material to drum—teaches which variables really count in the working world. Our site’s approach responds to what actually happens in the plant, in the lab, and in end-user reactors, not just the specs on a datasheet. We keep refining our processes, storage, and logistics because customers reward us with their real-world stories, not just repeat orders.

    5-Bromopentyl Acetate works because our teams—on the production floor, in quality assurance, and out with clients—listen for what needs improving. We’ve seen the difference that careful handling, vigilant process control, and problem-solving make. Reliability runs deeper than specs: it's built on daily choices, from sourcing to packaging to technical support.

    We view growth as a partnership—shared across boundaries of geography and industry. As the landscape of chemical synthesis shifts, our foundation remains the same: hands-on knowledge, honest communication, and technical curiosity. Through every batch of 5-Bromopentyl Acetate we ship, we reaffirm what we’ve learned on the ground: small improvements and strong commitments drive big results for our partners and their projects.