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4-Iodobutyl Acetate

    • Product Name 4-Iodobutyl Acetate
    • Alias 1-acetoxy-4-iodobutane
    • Einecs 'einecs': '629-362-2'
    • 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

    948401

    Product Name 4-Iodobutyl Acetate
    Cas Number 146366-36-1
    Molecular Formula C6H11IO2
    Molecular Weight 258.06 g/mol
    Appearance Colorless to pale yellow liquid
    Boiling Point 108-110°C at 15 mmHg
    Density 1.669 g/cm3 at 25°C
    Refractive Index 1.494
    Flash Point 90°C
    Purity Typically ≥ 97%
    Smiles CC(=O)OCCCCI
    Inchi InChI=1S/C6H11IO2/c1-6(8)9-5-3-2-4-7/h2-5H2,1H3

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

    Packing & Storage
    Packing 250g of 4-Iodobutyl Acetate is securely packaged in an amber glass bottle with a tamper-evident cap and clear labeling.
    Shipping 4-Iodobutyl Acetate should be shipped in tightly sealed containers, clearly labeled, and protected from light, heat, and moisture. Transport as per local and international regulations for hazardous chemicals, typically under UN number 1993 (flammable liquids, n.o.s). Ensure all safety and compatible packing materials, and include relevant documentation and material safety data sheets.
    Storage 4-Iodobutyl acetate should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances such as strong oxidizers and acids. The storage area should be equipped to prevent moisture ingress and be free from ignition sources. Proper labeling and safety measures should be followed to minimize accidental exposure or release.
    Application of 4-Iodobutyl Acetate

    Applications of 4-Iodobutyl Acetate in Industrial Manufacturing

    As the original manufacturer, we support high-purity 4-Iodobutyl Acetate for direct use in specialized downstream manufacturing environments. Its distinct iodoalkyl ester structure fits specific roles within fine organic synthesis, pharmaceutical intermediates, agricultural formulation, advanced electronic materials, and fragrance ingredient production. Each application requires a defined compliance framework, formulation approach, and integration into end-product processes.

    1. Pharmaceutical Intermediate Synthesis

    Pharmaceutical manufacturers adopt 4-Iodobutyl Acetate as a functionalized intermediate, primarily in the synthesis of niche active pharmaceutical ingredients (APIs) involving targeted alkylation or halide-substituted sidechain modifications. It enters small- and mid-scale GMP process lines where batch purity and traceability are strictly enforced. Typical usages focus on late-stage synthesis or as a coupling partner for constructing bioactive heterocycles.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredients (APIs)
    • 21 CFR Part 211 (US FDA)
    • EU GMP Guidelines Parts I & II
    • EDQM substance registration (where applicable)

    Typical usage ratio

    • Employed between 0.2 and 3 mole equivalents, based on the specific functional group transformation and active pharmaceutical moiety design; adjustment made for reaction scale and desired yield/purity.

    Downstream process integration

    • Added during the late-stage API synthesis sequence after chiral base formation or sidechain introduction steps.
    • Direct participation in palladium- or copper-catalyzed cross-coupling procedures (such as Suzuki or Buchwald-Hartwig).
    • Used as an alkylating agent immediately preceding crystallization and final impurity profile control.

    Final product types

    • Highly customized APIs for oncology, CNS, and rare disease treatments
    • Key intermediates for beta-blockers with halogenated sidechains
    • Precursors to modified heterocyclic scaffolds for clinical candidates

    2. Agrochemical Intermediate Production

    Formulators supply 4-Iodobutyl Acetate as a tailored building block for selective herbicide and insecticide molecule development. It facilitates the construction of targeted alkyl chain groups crucial for activity modulation and environmental stability. Usage remains limited to technical chemistry lines with stringent environmental and safety documentation.

    Industry compliance standards

    • ISO 9001 quality management for chemical synthesis
    • REACH (EC No 1907/2006) substance registration if imported to EU
    • Chinese SAWS and MEE standards for industrial chemical handling
    • US EPA 40 CFR 720.36 reporting for new chemical substances

    Typical usage ratio

    • Integrated at 0.5–1.2 weight equivalents, chosen as per final molecule structure and reactivity of targeted agrochemical group under anhydrous or controlled thermal conditions.

    Downstream process integration

    • Introduced after core backbone synthesis, usually in alkyl halide substitution or esterification steps.
    • Feeds into multi-step synthetic routes for aryl-substituted sidechain modifications.
    • Routinely charged via automated batch feeding for reaction control and operator safety.

    Final product types

    • Novel herbicide and pesticide actives with proprietary halogen sidechains
    • Stabilized active intermediates for crop protection blends
    • Custom technical raw materials for regulated agricultural use

    3. Fine Chemical and Specialty Ester Manufacturing

    Chemical producers employ 4-Iodobutyl Acetate as a targeted ester within specialty fine chemical portfolios, particularly for custom syntheses requiring iodo-functional alkyl chains. Reactivity supports contract synthesis (tolling) and in-house R&D for specialty resins, catalysts, and reaction helpers. Quality assurance at this production stage hinges on detailed impurity mapping and material lifecycle tracking.

    Industry compliance standards

    • ISO 9001 QA systems for fine chemicals
    • EN 9100 (where supplied to aerospace sector with specialty demand)
    • Customer-specific material stewardship agreements
    • UN transport and packaging requirements for hazardous organoiodine compounds

    Typical usage ratio

    • Optimal at 1–5% of total reaction mass depending on target molecule; lower for catalytic or auxiliary roles; highest for direct ester presence in finished chemical structure.

    Downstream process integration

    • Applied during controlled temperature esterification or transesterification procedures.
    • Bleed addition in continuous-flow synthesis, supporting scalable specialty pipelines.
    • Integrated into pilot line for new product development cycles.

    Final product types

    • Functionalized specialty resins
    • Modified catalysts for organic synthesis
    • Laboratory reference materials

    4. Electronic and Photolithography Material Synthesis

    Suppliers to semiconductor and display industries use 4-Iodobutyl Acetate in the preparation of niche photoresist, antistatic coatings, or functional intermediates essential for microelectronics patterning. High purity and trace halogen profile become critical for maintaining circuit integrity and device performance. Entry to this value chain demands exhaustive impurity analysis and documentation.

    Industry compliance standards

    • SEMI C22 standards for electronic raw materials
    • RoHS Directive (2011/65/EU) substance restriction
    • Customer-defined metal/halide impurity thresholds
    • JIS Q 9100 (Japan aerospace/semiconductor QA where applicable)

    Typical usage ratio

    • Between 0.1–1.0% by mass in resist formulas; stepped loading based on resolution requirements and thermal stability needs in photoresist applications.

    Downstream process integration

    • Dispersed in solvent phase during resist or coating batch make-up.
    • Mixed inline during continuous coating process for thin-film formation.
    • Direct precursor in halogenated monomers for semiconducting polymers.

    Final product types

    • Advanced photoresists for microlithography
    • Static dissipative films and coatings
    • Semiconductor functional layers

    5. Fragrance and Aroma Ingredient Development

    Fragrance houses and aroma chemical specialists utilize 4-Iodobutyl Acetate for its structural attributes in building blocks for select aroma ester synthesis. Its controlled iodo moiety enables targeted conversion to more complex scent ingredients via substitution or cleavage. Use occurs exclusively in technical ingredient r&D, not for direct addition to consumer blends due to regulatory considerations.

    Industry compliance standards

    • IFRA Code of Practice guidelines for ingredient handling
    • ISO 9235 (Aromatic Natural Raw Materials – restricted applicability)
    • EU CLP Regulation (EC 1272/2008) for classification, labeling, and packaging
    • US TSCA compliance for new aroma chemical introduction

    Typical usage ratio

    • Usually 0.5–2% in precursor streams; final step loading based on conversion efficiency and impurity control.

    Downstream process integration

    • Enters reaction as a cleavable functional group source or as an intermediate for halogen-exchange steps.
    • Flows into esterification, hydrolysis, or substitution operations during technical fragrance compound synthesis.
    • Handled exclusively in closed-system R&D or pilot plant environments.

    Final product types

    • Rare aroma ingredient precursors
    • Synthesized fragrance intermediates for perfumery R&D
    • Technical scent chemical components (not for direct perfume formulation)
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    Certification & Compliance
    More Introduction

    4-Iodobutyl Acetate: Practical Chemistry from the Manufacturer’s View

    Understanding 4-Iodobutyl Acetate—What We See in Production

    Working on the production floor of specialty organics means a constant dialogue between synthesis capabilities and end-user expectations. Over the years, 4-iodobutyl acetate stands out due to its clean conversion from butanol derivatives and its effectiveness as an intermediate. Our plant’s focus on precision and reliable throughput means we handle this compound with the care that only comes from real experience. By keeping a sharp eye on practical purity, yield, and storage, we’ve learned what separates 4-iodobutyl acetate from other similar esters in the toolbox.

    Why 4-Iodobutyl Acetate Appeals to Synthetic Chemists

    Demand for complex butyl derivatives often rests on the unique properties of the iodine atom within the molecule. 4-iodobutyl acetate brings together two useful groups: the reactive iodo and the familiar, easy-to-handle ester. Organic synthesis experts appreciate this blend, as it opens routes not possible with other butyl acetates or standard haloalkyl compounds. The iodo function lends itself to effective nucleophilic substitutions, palladium-catalyzed cross-coupling, and other classic transformations where milder leaving groups fall short. Over multiple batches, our in-house analytics team has found that the acetate group maintains the necessary compatibility for lab-scale and larger industrial syntheses.

    From Lab Bench to Plant: Factory Insights on Manufacturing

    Producing 4-iodobutyl acetate takes more than just precise reactant ratios. We rely on operators with a feel for subtle reaction changes, knowing that color, viscosity, and odor can signal critical progress or problems. Each run begins with butanol derivatives, processed by gentle esterification before the iodine introduction. Our team finds that strict control of moisture and byproduct removal proves essential in keeping the end product clear and shelf-stable. In practice, a minor slip in drying can lead to off-colored batches or unstable liquids. After multiple production cycles, we’ve built in redundancies that favor consistent results—because consistency is rarely an accident at this scale.

    The Story Behind Our Quality Benchmarks

    Before releasing any batch, we test for residual acids, iodine value, and GC purity. These are more than numbers to us—they’re a record of operational reality and an assurance to the chemists who stake projects on our output. Over time, we’ve tuned our synthesis not for abstract certificate values, but for the real-world reactivity profiles our partners report back. Some labs want maximum iodo purity, others prefer a subtle balance if downstream hydrolysis comes into play. Our production notes trace which subtle changes in reaction time or purification method translate to actual improvements. This hands-on iteration shapes our product profile and differentiates our 4-iodobutyl acetate from off-the-shelf alternatives.

    Usage Experience—How Our Clients Apply 4-Iodobutyl Acetate

    Professionals in pharma R&D and agrochemical development reach for 4-iodobutyl acetate when exploring new molecular frameworks. Our clients highlight its performance in coupling reactions and in the manufacture of active intermediates for bioactive compounds. The acetate group offers reliable removal under hydrolysis, which matters if the synthetic plan calls for downstream functionalization. Contract research groups have told us the clean odor and ease of solvent compatibility saves time in pilot runs, especially compared to some bulkier or less stable alkyl halides. As a manufacturer, real credibility only comes from seeing a product succeed under another team’s rigorous scrutiny.

    Handling, Safety, and True-to-Life Storage Lessons

    Long hours in solvent bulk rooms have taught our staff what it really means to handle volatile, reactive intermediates. 4-iodobutyl acetate demands storage in tightly sealed, inert-lined drums to prevent moisture ingress and decomposition. We’ve seen batches go off-spec from poor gasket fit or prolonged sunlight exposure—lessons that engineers and new operators learn the hard way. The faintly sweet, acetous odor, while not overpowering, signals the need for good local ventilation. Our SOPs stress not just generic PPE, but also practical preventive steps—regular tightening of closures, periodic headspace checks, and careful segregation from strong bases.

    Comparing 4-Iodobutyl Acetate With Other Haloalkyl Esters

    Years of producing a portfolio of iodo-, bromo-, and chloro-butyl derivatives reveal real differences in behavior and suitability. 4-iodobutyl acetate stands out for stronger leaving group ability, which enables advanced cross-coupling and SN2 processes with higher yields. Bromo analogs offer cost advantages, but sometimes fall short in reactivity, especially in Suzuki or Heck-type reactions. Chloro derivatives, cheap as they come, struggle with both kinetics and purity over time—residual base or moisture can degrade storage quality. Our technicians prefer working with the iodo-compound during pilot synthesis due to clearer product formation, predictable purification, and fewer unpleasant surprises on scale-up.

    Purification—Lessons Learned Over Hundreds of Batches

    In-house expertise developed through years of hands-on processing shows that purification must be more than routine. Early in our company’s days, we saw that margin pressures tempted quick crystallization shortcuts. Impurities from partially reacted precursors or byproducts crept in, showing up as tailing peaks on the GC. We revised our protocols after trial and error: multi-stage washing, followed by slow rotary evaporation, ensures minimal residual halogenated byproducts. Our experience shows a clear pattern—proper thin-film evaporation and cold storage extend product life and support high-purity custom jobs.

    Difference in Performance—What End-Users Actually Notice

    Feedback from application chemists guides how we fine-tune every synthesis. Clients measuring conversion rates, side product formation, and ease of workup routinely send back data that shapes our next production cycle. The distinctive benefit of our 4-iodobutyl acetate lies in its predictability. End-users see fewer surprises under their heating/stirring conditions, and completed transformations result in noticeably less tar and discoloration during downstream isolation. We lean on these findings, since they mean fewer support calls and more repeat orders. Pure practicality, borne out batch after batch.

    Solubility and Compatibility—Real-World Storage and Processing

    Handling so many liters of this compound taught us solubility traits the hard way. 4-iodobutyl acetate dissolves in most common organic solvents—dichloromethane, ethyl acetate, and even the more polar acetonitrile. The slightly higher density compared to unmetallated isomers means careful layering during extractions prevents emulsions. During a particularly humid summer week, our warehouse learned how quickly trace water can lead to slow decomposition. That drove us to adopt nitrogen purging and puncture-resistant liners as SOPs. In practice, these tweaks reduced returns and improved shelf life beyond what off-the-rack packaging managed.

    Scale-Up: The Bridge Between Custom Orders and Consistent Production

    Many chemistries work at the gram scale, but only a few translate cleanly to pilot or metric ton batches without new impurities cropping up. Our production team monitors impeller speed, baffle placement, and heat transfer profiles to minimize both foaming and runaway loss of volatile starting material. Years of scale-up mishaps and triumphs inform our choice of temperature ramps and pressure controls. We never assume that one batch serves as a stamp for hundreds more; every new order can surface a need for adjustment, and our plant’s layout reflects those hard-earned lessons. By building in flexibility—portable condensers, spare holding tanks, auxiliary purge lines—we support a customer’s evolving needs without compromise.

    What Certifications Tell Us—And Where Facts Matter

    We’ve collected ISO, REACH, and global transport certificates, not just for the paper trail, but to verify for ourselves where our product stands against compliance demands. Routine audits by third-party labs keep our quality team sharp, and highlight issues before shipments leave our gates. What matters just as much is the record we keep: spectroscopic profiles, trace element analysis, and feedback logs from users facing new regulatory hurdles. We see the strictest requirements from pharma and advanced materials clients—our operation’s transparency and willingness to adapt form our answer to tougher or changing rules. Clean facts trump promises in this business.

    Environmental Awareness—Pragmatic Chemical Handling

    Waste minimization remains more than a talking point on our shop floor. Efforts to recover solvent, neutralize byproducts, and reduce emissions flow directly from day-to-day necessity. 4-iodobutyl acetate’s iodine content requires careful effluent monitoring, as uncontrolled releases complicate both license compliance and local relationships. We invest directly in scrubbing systems, closed transfer setups, and waste segregation—spurred by the real memory of a near-miss leak years ago. Plant operators build environmental caution into every stage because nobody enjoys repeat paperwork or community fallout. The lessons stick.

    Partnering with Researchers—Troubleshooting and Sharing Know-How

    Our product development meetings pull in not just sales feedback but also phone calls and emails from researchers troubleshooting an unexpected byproduct or solubility concern. The most unexpected solutions often arise from these conversations. A European university-scale customer struggling with a stubborn purification came to us; our process manager suggested swapping in a less polar wash and offered a full analytic profile from a parallel batch. They reported a dramatic yield jump and extended collaboration. Honest back-and-forth with end-users continually refines how we manufacture 4-iodobutyl acetate and helps clients trust the supply, not just the paperwork.

    Adaptation and Product Evolution

    Organics doesn’t stand still. Researchers return with new coupling requirements or demand even narrower impurity specs as regulatory rules tighten. Each modification leads us to revisit upstream raw materials, catalyst loads, or even tanker lining material. Innovation sometimes starts on the packaging line, where the switch from steel to multi-layer chemical-resistant drums came after a dozen leakage complaints. Other improvements happen in chemical processes—realigning distillation cuts or changing drying protocols. Reluctance to make these adaptations never lasts. Our reputation has grown with our product, because we treat every feedback as a starting point for improvement.

    Tackling Complex Synthesis Projects—Lessons from Custom Production

    Custom synthesis places a unique stress on every link in the plant—logistics, technical support, raw materials, and the last shipment check. In filling non-standard requests, we’ve seen the value of upfront transparency with clients. Communicating what degree of customization affects lead time, or what switching up a halide might mean for downstream chemistry, makes for fewer headaches. Our engineers carry the memory of batches that had to be rerun after incomplete closures or temperature control slips. Sharing this experience with customers sometimes helps them weigh the merits of choosing 4-iodobutyl acetate versus other butyl halides or completely different strategies. We learn together.

    Broadening Utility—How 4-Iodobutyl Acetate Helps Develop New Materials

    In specialty plastics and electronics research, versatility remains prized. The iodo group enables targeted functionalization on polymer backbones, unlike non-halogenated alternatives. Recent trends show more groups testing this compound for surface modification or as a crosslinking aid, reporting improved compatibility without loss of flexibility or increased unwanted byproduct. In practice, seeing a product adapted in new material science circles affirms the stability and flexibility our process team built into the production process. Such reports challenge us to ramp up volume shifts smoothly, maintain clarity on grades, and develop documentation in step with customer requirements.

    Addressing Supply Chain Challenges—Managing Expectations Honestly

    No real-world operation escapes supply crunches and logistics disruptions. Our team’s learned to forecast demand based on historic data, but outliers—shortages in iodine feedstock or sudden port closure—prompt rapid response. We communicate timelines with full candor, preferring upfront calls over hopeful projections that might disappoint. During the global pandemic, our long-field relationships with transporters, together with advance inventory stockpiling, proved vital. Our whole setup, from raw material checks to drum loading, reflects a daily vigilance sharpened through both smooth and rough seasons. Honest, accurate promises build enduring partnerships more than shiny brochures.

    Continuous Improvement—The Culture Driving Reliable Chemistry

    No batch leaves our plant without a team review. Our operators, from senior chemists to packaging staff, bring up every inconsistency and brainstorm ways to squeeze out losses or chronic bottlenecks. Many of our biggest leaps—a switch to better drum liners, rounding out a small peak in impurity on the GC—began with a comment at the end of a shift. Management and production check records together and invest in operator training, not as a formality but because a real culture of improvement prevents the slow creep of inattention. Our pride lies not in volume alone but in delivering real, reliable product to each customer.

    The Road Ahead—Building Trust Through Real Experience

    In conversations at trade events or with visitors to our plant, we find that trust grows out of demonstrated know-how. Pledges to maintain supply, improve specs, or troubleshoot hiccups hold water only with a track record. 4-iodobutyl acetate brings complexity, and we openly share both our learning curve and our confidence earned through real production runs. The specialists on our team share a hands-on understanding of this molecule’s quirks. This depth of experience takes root in how we handle, produce, and support its use for every client. Our approach—practical, transparent, always open to improvement—carries through each drum and every partnership, because in specialty chemistry, lived experience guides every step.