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1-Bromo-4-Fluorobutane

    • Product Name 1-Bromo-4-Fluorobutane
    • Alias 4-Bromobutyl fluoride
    • Einecs 217-853-7
    • 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

    119006

    Product Name 1-Bromo-4-Fluorobutane
    Molecular Formula C4H8BrF
    Molecular Weight 171.01 g/mol
    Cas Number 622-88-8
    Appearance Colorless liquid
    Boiling Point 112-113°C
    Density 1.454 g/cm³
    Refractive Index 1.437
    Flash Point 39°C
    Solubility In Water Insoluble
    Smiles C(CCF)CBr
    Purity Typically ≥97%

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

    Packing & Storage
    Packing Amber glass bottle with a secure screw cap, labeled “1-Bromo-4-Fluorobutane,” containing 100 mL, with hazard and handling information.
    Shipping 1-Bromo-4-Fluorobutane should be shipped in tightly sealed containers, compliant with hazardous material regulations. It must be labeled appropriately and transported in accordance with local, national, and international chemical shipping regulations. Keep away from heat and incompatible substances during transit. Use secondary containment and absorbent materials to prevent leakage or spills.
    Storage 1-Bromo-4-Fluorobutane should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from sources of heat, ignition, and incompatible substances such as strong oxidizers. Keep out of direct sunlight and label containers clearly. Store under inert atmosphere (e.g., nitrogen) if recommended by the supplier to minimize decomposition and maintain chemical stability.
    Application of 1-Bromo-4-Fluorobutane

    Applications of 1-Bromo-4-Fluorobutane in Industrial Manufacturing

    As a direct producer of 1-Bromo-4-Fluorobutane, we supply this key alkyl halide for a focused spectrum of high-value chemical synthesis sectors. The following sections outline the precise industrial uses in which 1-Bromo-4-Fluorobutane demonstrates proven functional benefit and regulatory compliance, emphasizing exact downstream scenarios and integration protocols.

    1. Pharmaceutical Intermediate Synthesis

    Pharmaceutical manufacturers employ 1-Bromo-4-Fluorobutane as a critical intermediate for the alkylation step in producing specialty active pharmaceutical ingredients (APIs) and building blocks, particularly for fluorinated piperidine or pyridine derivatives. Its application targets processes where a fluoroalkyl moiety enhances metabolic stability or biological activity in drugs. Utilization aligns with controlled reaction steps such as nucleophilic substitution or amination, often under nitrogen atmosphere and solvent-controlled environments to ensure purity and traceability of batch records.

    Industry compliance standards

    • ICH Q7 GMP for APIs
    • USP-NF Monographs (where applicable for intermediates)
    • 21 CFR Part 210/211 cGMP (US FDA)
    • EU EudraLex Volume 4, Part II: GMP for APIs

    Typical usage ratio

    • 0.90–1.20 molar equivalents, depending on the target fluorinated intermediate; stoichiometry adjusted for conversion yield and impurity control in multi-step synthesis.

    Downstream process integration

    • Utilized at the API intermediate synthesis stage, predominantly as the fluoroalkylation agent in closed reactor vessels; addition rate controlled to minimize unreacted halide and ensure stepwise conversion for downstream purification.

    Final product types

    • Fluorinated antihypertensive APIs
    • Piperidine-based CNS drug intermediates
    • Antiviral agent building blocks

    2. Agrochemical Intermediate Manufacturing

    Producers of advanced crop protection agents use 1-Bromo-4-Fluorobutane for introducing fluorinated side chains into pre-emergence herbicides and fungicides. The material serves as an alkylating agent in the synthesis of active molecules where enhanced bioavailability or persistence on plant surfaces is required. Production lines incorporate the compound downstream of ring formation or coupling steps, ensuring integration into multi-kilo batch processes compliant with strict environmental and product purity controls.

    Industry compliance standards

    • FAO/WHO Specifications for Pesticides
    • ISO 9001:2015 for agrochemical manufacturing
    • REACH (EC) No 1907/2006 registration and SVHC screening
    • Environmental Protection Agency (EPA) 40 CFR Parts 150-189 (US)

    Typical usage ratio

    • 1.0–1.5 weight percent relative to the core active structure; adjusted to maximize fluorine incorporation efficiency and minimize by-product formation.

    Downstream process integration

    • Employed following the primary ring or scaffold synthesis in jacketed glass-lined reactors, typically as part of a two-phase extraction alkylation sequence; process includes in-line monitoring to manage exothermicity and product isolation by distillation or crystallization.

    Final product types

    • Fluorinated phenoxy herbicide actives
    • Azole fungicide intermediates
    • Chemical precursors for selective insecticide formulation

    3. Custom Fluorosurfactant Synthesis

    Chemical plants manufacturing specialty fluorosurfactants integrate 1-Bromo-4-Fluorobutane as a chain-extending agent for preparing novel amphiphilic compounds. These surfactants rely on the unique properties conferred by a terminal fluoro-group and butyl chain for use in high-performance coatings, wetting agents, or cleaning fluids. The material serves at the alkylation step, where reactor feedstock strictness ensures minimal halogenated by-products in finished surface-active agents, essential for meeting application-specific performance guarantees.

    Industry compliance standards

    • OECD TG 105 (Solubility) and TG 107 (Partition Coefficient) for surfactant evaluation
    • ISO 9001:2015 Quality Management Systems
    • European Detergents Regulation (EC) No 648/2004
    • REACH Annex XVII restrictions (if relevant to downstream use)

    Typical usage ratio

    • 0.8–1.3 moles per mole of polyether backbones or alcohol precursors, optimized for surfactant chain uniformity and targeted hydrophilic-lipophilic balance.

    Downstream process integration

    • Used after pre-polymerization as a terminal functionalizing agent in stirred autoclaves; reaction proceeds via nucleophilic substitution or Williamson ether synthesis, monitored through chromatography for unreacted halide residues prior to downstream formulation or finishing.

    Final product types

    • Fluorinated wetting agents for specialty inks and coatings
    • High-efficiency cleaning surfactants for semiconductor wafer processing
    • Hydrophobic treatment agents for technical textiles

    4. Organic Electronic Material Precursor Production

    Manufacturers engaged in organic electronic and OLED material synthesis introduce 1-Bromo-4-Fluorobutane as a side chain functionalization agent in constructing conjugated molecular semiconductors. The well-defined fluoroalkyl group enhances charge mobility and film morphology in finished optoelectronic devices. The feedstock is added in advanced lab-scale or pilot-scale setups, where traceability of raw material and reaction parameter control under inert conditions drives both performance and regulatory alignment in confined fabrication environments.

    Industry compliance standards

    • RoHS Directive 2011/65/EU (for finished electronic components)
    • IPC-4101/126 for base electronic materials
    • ISO 14001:2015 Environmental Management in chemical pilot plants
    • REACH (EC) No 1907/2006, Annexes II & VII for electronic chemical substances

    Typical usage ratio

    • 0.5–1.0 mole per structural monomer unit; precise ratio defined by optoelectronic performance requirements and target molecular weight.

    Downstream process integration

    • Input as the final substituent during synthesis of oligomeric or polymer backbones via Suzuki, Stille, or Ullmann coupling; rigorous procedural documentation maintained to support material traceability and batch reproducibility for device qualification.

    Final product types

    • OLED emitter layer precursors
    • Conjugated polymer semiconductor feedstocks
    • Fluorinated small molecule hole/electron transport layers for organic solar cells
    Free Quote

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    Certification & Compliance
    More Introduction

    Introducing 1-Bromo-4-Fluorobutane: A Practical View from the Manufacturing Floor

    Experience on the Production Line

    Every batch of 1-Bromo-4-Fluorobutane that leaves our site represents years of refinements and a commitment to consistency. Our technicians and chemists carry out each stage from bromination to purification with a watchful eye on the details. We control reaction temperatures and monitor yields to make sure nothing gets past our quality checks. In practice, keeping product purity high is more than just analytical numbers; it's about knowing where contamination creeps in and tackling it before it impacts downstream reactions. As a manufacturer, we see the direct impact of raw material quality, reactor conditions, and work-up steps on the color and odor of this clear liquid—signs that experienced hands always notice.

    Model and Specifications from Our Lab and Warehouse

    Our 1-Bromo-4-Fluorobutane comes off the line with a typical assay above 99%. Boiling point, refractive index, and moisture content aren’t just tick marks on a COA; they reflect real batches, actual process measurements, week after week. We store and ship in high-density polyethylene drums to avoid corrosion and color changes that can result from trace interactions with container walls. Each drum—or smaller vessel—bears not only the lot information but the history of its manufacture, down to the name of the batch operator. By insisting on this level of traceability, we can pinpoint issues fast and stand behind every liter that ships.

    Real-World Uses and What Sets 1-Bromo-4-Fluorobutane Apart

    Lab talk often skips over the practical headaches that chemical users run into with this product. 1-Bromo-4-Fluorobutane serves as a trusted building block in pharma, agrochemicals, and specialty materials. Its clean reactivity profile gives reliable chain extension in several synthetic routes. For our customers making active pharmaceutical ingredients, small changes in byproduct levels and impurity content can frustrate downstream purification steps. As a producer, we spend real time reducing contaminants such as dibromo derivatives and halide ions—things hard to remove after the fact.

    Compared to simple alkyl bromides or fluorides, this hybrid molecule brings together two distinct halogen groups on the same chain. That double functionality gives chemists more flexibility with selective transformations. With a bromine at the 1-position and a fluorine at the 4-position, substitution reactions at either end become possible, opening up options for stepwise synthesis work. This sets it apart from linear alkyl bromides or butyl fluorides, which lack the same strategic reactivity.

    We often hear from customers working on fluorinated intermediates for new drug scaffolds. In these cases, a consistent supply and a predictable impurity profile save them time in route scouting and scale-up. Some are moving away from legacy alkylation agents that pose regulatory burdens and waste treatment headaches. 1-Bromo-4-Fluorobutane brings new options without tipping over into costly or highly regulated precursors.

    Challenges in Handling and Quality

    As a chemical manufacturer, we never treat quality control as a box to check. Brominated and fluorinated compounds are notoriously unforgiving. Tiny deviations in temperature or reaction time can produce overbrominated tars or leave behind underfluorinated residues. Moisture uptake causes hydrolysis—the enemy of shelf-life and yield. Each batch, raw materials are checked for trace water, halide salts, and metal content. On the production floor, staff regularly sample in-process liquids, and at the end, we rely on GC and NMR to catch deviations early.

    Some see the final product as a clear, colorless fluid with a sharp odor and stop there. We look deeper. We teach each production worker to watch for viscosity changes or faint color shifts that machines might miss. Staff also get regular safety training to deal with accidental leaks or exposure—1-Bromo-4-Fluorobutane can cause irritation and needs careful handling. Investing in these front-line practices isn’t just compliance, it’s peace of mind for our partners and end-users.

    Comparison with Similar Chemicals

    We’ve made and shipped a whole catalogue’s worth of alkyl bromides, iodides, and fluorides over the years. Within this family, 1-Bromo-4-Fluorobutane occupies a useful niche. A straight-chain bromobutane gives you potent alkylating ability, but lacks the fluorine reactivity so valuable for introducing unique electronic effects in advanced molecules. On the other hand, butyl fluorides provide that reactivity but react less selectively with nucleophiles. By combining both functional groups, this molecule offers selectivity and flexibility not available from either class on its own.

    In practice, we see fewer side-products when making intermediates for complex agrochemicals, compared to using simple bromobutanes. This cleaner reactivity means less time spent in downstream separations and purifications. It’s something our technical support team discusses with customers almost weekly. In pilot-plant trials, researchers mention improved reproducibility. That translates to better yields and tighter process control, crucial for scale-up.

    Supporting Scale-Up and New Process Development

    We stay closely involved with projects that demand more than just a jug of chemicals and a spec sheet. When a customer prepares for pilot scale or full manufacturing runs, stability in both availability and quality can make or break a launch. We’ve invested in data-logging reactor systems and in-house analytics, so process consistency isn’t a promise, it's a track record. The ability to coordinate with R&D chemists and reach back to the operators running the plant gives us flexibility when production deadlines shift or process priorities change.

    Many customers scaling new synthetic routes face pressure to reduce impurities. We’ve responded by reengineering process steps, tweaking quenching agents, and upgrading drying units specifically for 1-Bromo-4-Fluorobutane. Feedback from these collaborations filters back into how we train operators and document best practices. We view technical troubleshooting as part of the manufacturing relationship, not an extra service.

    Availability and Reliability Through the Supply Chain

    It’s one thing to offer a specialty product, another to deliver it consistently across regions and regulatory environments. We maintain a stock buffer and keep raw material contracts with reputable upstream partners to buffer the swings in supply chains. This lets us fill orders against forecast fluctuations and crop cycles for agricultural users, as well as the tighter scheduling windows for pharma producers.

    Controlling shipments ourselves, we prefer to handle tight packaging times. Short delays between production and shipping cut down on risk of degradation—something that matters with a moisture-sensitive halide. Our logistics team stays in close touch with customers about loading times and arrival schedules to keep storage periods and exposure to extremes as short as possible.

    Feedback Loops and Continuous Improvement

    Experience has shown that specs written on a data sheet rarely tell the whole story. Real-world feedback from formulators, engineers, and application chemists is central to refining both the product and the process. Several years ago, a client in the electronics industry found trace levels of residual bromide ions impacting their device coatings. Working together, we adjusted our work-up protocols to tighten those impurity levels, tracked by independent labs. The change rippled back into new SOPs at our plant and new releases for customers in regulated markets.

    Learning doesn’t always flow one way—from customer to manufacturer. Our R&D group often trials small process changes and shares outcomes with partners before full-scale adoption. These cycles of adjustment and validation help keep the product at the quality benchmark needed for evolving industry standards.

    Environmental and Regulatory Responsibility

    Customers making pharmaceuticals or crop protection products face mounting scrutiny over trace contaminants, process emissions, and waste streams. We keep our plant registered and aligned with applicable environmental standards. Waste bromide streams go to certified handlers for recovery, not dumping. Closed transfer and vent systems in our reactor hall minimize worker exposure and emissions. Training runs deep: from new hires loading drums to chemists qualifying waste water.

    As product stewards, we know our role doesn’t end at the warehouse door. End users need detailed regulatory documentation, thorough impurity audits, and transparency about our starting materials. We’ve invested in regular third-party audits and expanded the data available for customer regulatory filings. All this builds trust and makes for smoother progress in rapidly regulated fields.

    Difference in Handling Compared with Other Halides

    Operators who have handled unadorned alkyl bromides, especially heavier or branched variants, often tell us the volatility and acute irritation profile of 1-Bromo-4-Fluorobutane can surprise the unprepared. Its boiling point sits right where open transfers risk rapid vapor formation. We encourage users to set up proper hoods and closed systems. Over the years, we modified packaging designs with vented sealing and reinforced drum linings to reduce accidental releases.

    This product’s dual-halogen nature means both strong nucleophilic reactions and sensitivity to base hydrolysis. We flag these differences in our technical bulletins: small handling mistakes can escalate quickly compared to simpler mono-halides. Staff training in our plant includes gloves, goggles, and spill protocols. Chemists working at scale have, on occasion, given us insight from real incidents, such as reaction runaway avoidance steps that now shape our standard safety guides.

    Supporting Knowledge Growth

    We don’t see ourselves as just providers of chemicals, but as partners in developing new solutions. Over the years, we have delivered seminars and troubleshooting workshops at customer sites using real examples from our own plant. We regularly share case studies about reaction optimization, solvent compatibility, and even the headaches that arise from switching between similar alkyl halides. Such engagement lets users anticipate performance differences before they impact productivity, especially in high-value, low-margin campaigns.

    As a producer, we keep tabs on academic literature and patent filings involving 1-Bromo-4-Fluorobutane, adapting process controls when industry expectations or regulatory frameworks shift. Practical feedback from research settings filters back into our manufacturing revisions. The deep bond between plant-side process control and user-side innovation pushes the boundaries of what this molecule can accomplish.

    Looking Forward: Meeting Evolving Market Demands

    Demand for specialty halides like 1-Bromo-4-Fluorobutane has grown as research labs and industrial makers shift toward selective modifications and greener chemistries. Facing this trend, we continue to upgrade analytics, invest in containment, and refine batch control. Larger customers sometimes prompt us to reexamine legacy processes, track new impurities, and strategize around shipping restrictions tied to environmental rules.

    We actively seek collaboration in developing downstream applications and alternative syntheses where our expertise makes a measurable difference. Requests for custom impurity profiles or unique packaging drive process changes upstream that benefit all our partners. The ongoing partnership with users—across R&D, process, and supply chains—remains the most valuable input shaping the future of 1-Bromo-4-Fluorobutane at our facility.

    Shared Success in Product Innovation

    The impacts of reliable 1-Bromo-4-Fluorobutane can be tracked across pharmaceutical launches, crop science innovations, and specialty materials challenges. Our staff draw pride from stories where our product served as the backbone of a new molecule or enabled a faster process scale-up. Direct conversations with users teach us about batch-specific quirks or new industrial needs, feeding into our next rounds of manufacturing improvements.

    By putting experience to work, investing in quality at every step, and staying responsive to both new and established users, our production of 1-Bromo-4-Fluorobutane aims to set the benchmark for reliability. Our commitment stems not from corporate goals, but from the knowledge built on real floors, real labs, and real partnerships across the supply chain. We look forward to continuing this work, supporting discovery and success with every batch we make.