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N-Propyl Bromoacetate

    • Product Name N-Propyl Bromoacetate
    • Alias Propyl 2-bromoacetate
    • Einecs 220-961-7
    • 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

    982736

    Product Name N-Propyl Bromoacetate
    Cas Number 35223-80-4
    Molecular Formula C5H9BrO2
    Molecular Weight 181.03 g/mol
    Appearance Colorless to pale yellow liquid
    Boiling Point 67-69°C (at 14 mmHg)
    Density 1.358 g/mL at 25°C
    Refractive Index 1.4460-1.4480
    Purity Typically ≥98%
    Solubility Slightly soluble in water; miscible with organic solvents
    Flash Point 74°C (closed cup)

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

    Packing & Storage
    Packing N-Propyl Bromoacetate, 100g, is supplied in an amber glass bottle with a secure screw cap, labeled with hazard information.
    Shipping N-Propyl Bromoacetate is shipped as a hazardous chemical, typically in tightly sealed containers to prevent leaks and exposure. It should be packed in accordance with UN regulations, clearly labeled, and handled as a corrosive, flammable, and toxic substance to ensure safe storage and transport. Handle with appropriate protective measures.
    Storage N-Propyl Bromoacetate should be stored in a cool, dry, and well-ventilated area, away from heat, open flames, and direct sunlight. Keep the container tightly closed, protected from moisture, and segregated from strong acids, bases, and oxidizing agents. Store in a chemical-resistant, appropriately labeled container, and ensure access is restricted to trained personnel only. Handle with proper safety precautions.
    Application of N-Propyl Bromoacetate

    Applications of N-Propyl Bromoacetate in Industrial Manufacturing

    N-Propyl Bromoacetate serves critical functions as a specialty intermediate across advanced chemical synthesis platforms. As the direct manufacturer, we support high-volume customers operating under regulated conditions in pharmaceutical, agrochemical, and chemical research sectors. The scenarios below detail verified downstream applications, precise formulation criteria, integration stages, and final product linkage.

    1. Pharmaceutical Synthesis Intermediates

    Many pharmaceutical process developers select this compound as an essential alkylating agent for constructing complex building blocks required in the manufacture of active pharmaceutical ingredients (APIs), especially within β-amino acid, β-lactam antibiotic, and cephalosporin side-chain synthesis routes. Our partners employ it primarily for modifying precursor molecules through nucleophilic substitution, enabling tight control of target functionalities in multi-stage synthesis lines. Process engineers focus on minimization of impurities through validated GMP-compliant handling. Analytics teams routinely monitor end-use compliance through in-process and finished product QC protocols.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP-NF Monographs for APIs
    • European Pharmacopoeia (Ph. Eur.) guidelines on starting materials
    • 21 CFR Part 211 (U.S. FDA cGMP for finished pharmaceuticals)

    Typical usage ratio

    • Ranges from 0.7–1.5 equivalents per target functional group; precise ratio set by process yield targets and side-reaction risk assessment in milligram to multi-kilogram scale batches.

    Downstream process integration

    • Introduced during the nucleophilic alkylation step on gram to ton-scale reactors prior to key cyclization or amidation transformations; operators adjust order of addition and solvent system under inert atmosphere.

    Final product types

    • Intermediate scaffolds for β-lactam antibiotics (e.g., cefadroxil, cefaclor)
    • Custom peptide-based drug intermediates
    • Small-molecule API precursors for oncology, antivirals, and CNS therapies

    2. Agrochemical Synthesis: Herbicide and Fungicide Intermediates

    Chemical manufacturers utilize this raw material extensively as a halogenated bromoacetyl group donor within key alkylation steps to create protected amino and carboxylate derivatives found in proprietary herbicide and fungicide actives. It often functions in tandem with secondary amines or alcohols to generate ester or amide substructures critical for modern agrochemical compound efficacy. QC personnel emphasize traceability in the use and full alignment of formulation with region-specific residue and impurity limits.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • OECD Guidelines for the Testing of Chemicals (Synthesis & Purity Assessment)
    • REACH (Regulation EC No. 1907/2006), Annex VII–IX for intermediates
    • ISO 9001:2015 Quality Management System for agrochemical production

    Typical usage ratio

    • Applied at 0.8–1.3 molar equivalents, depending on the desired substitution and protection efficiency; final addition determined by substrate loading and downstream purification needs.

    Downstream process integration

    • Fed into pre-reaction flask or continuous reactor during acylation or esterification segments; some processes use it as a batch addition for intermediate purification prior to active ingredient coupling.

    Final product types

    • Phenoxy herbicide intermediates (e.g., 2,4-D derivatives)
    • Triazole fungicide precursors
    • Selective weed control agents intermediates

    3. Fine Chemical and Specialty Ester Production

    Chemical companies specializing in custom synthesis select this reagent for preparing protected glycine derivatives and other specialty esters, where it supplies the bromoacetate motif needed in complex molecule design projects. Its highly controlled introduction into condensation or transesterification steps supports lab-to-pilot scale up. Analytical and operations teams monitor residual bromo species and verify consistent batch-to-batch identity under ISO-compliant production workflows.

    Industry compliance standards

    • ISO 9001:2015 Certified Quality System for fine chemicals
    • Custom specification sheets per customer project
    • REACH (EC No. 1907/2006) registration for specialty intermediates
    • Technical dossiers conforming to OECD Test Guideline 107 (partition coefficient) and 117 (HPLC method)

    Typical usage ratio

    • Optimal dosage set at 0.9–1.1 molar equivalents versus nucleophile; batch engineers refine based on downstream protection requirements and solvent selection.

    Downstream process integration

    • Added during stepwise condensation or esterification phases either at ambient temperature or with controlled cooling/heating, often monitored by TLC or HPLC in kilo-lab and process development environments.

    Final product types

    • Glycine N-alkyl ester derivatives for peptide or dye synthesis
    • Protective groups for amino acid modification
    • Specialty functionalized esters for custom research

    4. Chemical Research and CRO/CMO Custom Synthesis

    CROs and CMOs engaged in organic synthesis R&D rely on this material as a reliable bromoalkylating agent in route scouting, fragment modification, and method evaluation for pharmaceutical lead and library compound generation. Research chemists use small batch quantities for structure-activity relationship (SAR) campaigns, where uniform quality and trace impurity management are critical for project reproducibility and IP protection.

    Industry compliance standards

    • GLP (Good Laboratory Practice) for chemical research
    • ISO 17025 accreditation for analytical verification
    • GMP guidelines for preclinical material supply
    • Project-specific technical specification agreements (TSA)

    Typical usage ratio

    • Ranges from 0.5–1.2 equivalents per reaction, determined by library design and functional group diversity; adjusted per project and substrate reactivity profile.

    Downstream process integration

    • Administered at the alkylation, esterification, or fragmentation stage—common with protected amines, alcohols, or thiols—either in manual batch or small-scale automated synthesizer modules.

    Final product types

    • Lead-like molecule libraries for preclinical drug discovery
    • Reference standards for analytical method development
    • Reactive intermediates and functionalized fragments for academic and contract research
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    Certification & Compliance
    More Introduction

    N-Propyl Bromoacetate: Manufacturing Precision in Alkyl Halide Chemistry

    Introduction

    N-Propyl Bromoacetate carries a unique role in organic synthesis, lending a hand where precise alkylation and esterification steps call for reliable chemicals. As a hands-on manufacturer with daily experience in its production and assessment, I can say that this compound rarely disappoints in reactivity or consistency. Our team has spent years refining the process to meet the sharpest standards demanded by research labs and industrial partners. Our N-Propyl Bromoacetate is recognized by its clear, colorless liquid form, which comes with a distinct ester scent that makes identification straightforward even before any analytical testing. Careful control at each step keeps impurities in check, ensuring purity that supports complex downstream reactions.

    Model and Specifications You Actually See in the Plant

    We supply N-Propyl Bromoacetate with a focus on maintaining a minimum purity of 99%. Each batch goes through rigorous GC analysis, and every operator can attest to how much troubleshooting and real-time decision-making goes into keeping water and alcohol impurities below 0.5%. Actual operators know that purity isn’t just a number—it means crystallizations and distillations go smoother for everyone using it, whether in a kilogram jar or a full drum. Physical data we check in-plant lets us track the boiling range, with our recent lots boiling steadily between 65-68°C under reduced pressure. Specific gravity checks (usually about 1.32–1.35 at 25°C) confirm that composition meets what we insist on before anything leaves the site. Every shipment includes a material compatibility note, and we use HDPE drums with PTFE lining for bulk.

    Why We Make N-Propyl Bromoacetate the Way We Do

    Some chemistries punish errors severely. Bromoacetate esters don’t leave much room for sloppiness, which is why our synthesis blends stringent process controls with practical operator oversight at every stage. Chlorinated solvents are avoided; their impact on final product quality and operator safety isn’t worth the convenience. Bringing the process under anhydrous conditions may slow us down, but real-world data shows reduced side products and less yellowing over storage—even twelve months later, customers opening a container of our ester find the same clarity and low-volatility they started with. We’ve tailored our neutralization and post-reaction workup, keeping unreacted base and traces of bromide below the detection limits—this keeps headaches out of downstream syntheses for our clients, especially in fine pharmaceuticals and advanced materials.

    Usage: Reliable Under Pressure

    It’s one thing to make a high-purity N-Propyl Bromoacetate, but being trusted by actual lab chemists and technical buyers comes down to a product that reacts as forecasted—time after time. Most end-users draw on it to introduce a three-carbon ester group through nucleophilic substitutions, and they look for predictable reactivity in both polar aprotic and less polar conditions. University researchers, working on enzyme inhibitors or specialty monomers, turn to our batches because they have seen first-hand that color, water content, and excess acid shut down delicate syntheses. Our routine includes a hands-on check for residual acidity, as even a trace spoils coupling yields. Feedback from regular buyers shows that the clean, single-peak traces mean less time spent purifying and more invested in pushing boundaries in synthesis.

    Outside of academia, demand has grown among agrochemical and flavor-fragrance syntheses. In those sectors, N-Propyl Bromoacetate helps insert bromoacetate motifs without introducing unwanted side chains. The right feedback loop keeps us aware of what actually causes bottlenecks: if a batch were to arrive with high residual halide or water, follow-up calls happen. In-house, we rely on the careful drying of our product—not just for shelf-life but because so many routes are base-sensitive downstream. Those nuances stack up: each year we fine-tune reflux steps and drying protocols, always guided by where the product is actually going next.

    What Sets N-Propyl Bromoacetate Apart from Other Haloacetates

    Anyone manufacturing or spec’ing chemicals knows that small differences in structure change everything. Compared with ethyl, methyl, or isopropyl bromoacetate, the n-propyl group shifts the boiling point higher and boosts solubility in apolar solvents. It also introduces new handling considerations, which only become clear down the line: flash points and vapor pressure for n-propyl drop relative to methyl or ethyl analogs. More than one process engineer has learned that lesson the hard way. In real use, the slightly higher molecular weight and the longer carbon chain bring advantages in synthetic selectivity, reducing over-alkylation or side reactivity. Multiple clients have commented that, with n-propyl, they fine-tune hydrophobicity in pharmaceutical scaffolds more effectively than with shorter alkyl groups.

    In our own batch work-up, we’ve studied how ester group length shifts things. With n-propyl, hydrolysis rates drop enough to make storage and handling less stressful, even in humid climates. That’s a step-up for anyone with long transit chains or batch processes stretching on for days. For manufacturers blending their own custom esters, n-propyl lines up with standard production glassware used for butyls, without forcing awkward adjustments to temperature or pressure. Through careful purity management and a robust cold filtration setup, our product avoids the cloudiness that shows up with some isopropyl or bulk-imported alternatives—small details, but they matter once scaling up.

    Lessons from the Synthesis Side of the Aisle

    Manufacturing bromoacetates isn’t just pushing buttons on a control panel. Each batch teaches a new lesson, particularly about bromination hygiene and esterification quirks. Water control always stands out. During the bromination, too much water means persistent formation of side salts, leading not only to yield drops but to cleaning headaches. We fight that off with kept-up maintenance of drying systems and a tight headspace policy throughout storage.

    Side-product management turns routine runs into a continuous improvement challenge. Our technical staff found even a half-degree temperature drift during the esterification phase can tip color toward pale yellow, or start a runaway reaction needing rapid quench. The real trick lies in scaling—heat transfer works differently in pilot than in a glass beaker, and practical fixes matter more than theoretical recipes. I’ve worked next to shift engineers who can smell the onset of an off-batch before a test confirms it. That kind of know-how turns into protocols everyone on the floor trusts.

    Since N-Propyl Bromoacetate is less volatile than methyl or ethyl versions, we redesigned our ventilation and condenser capacity several years ago—cutting product loss to negligible levels and boosting batch consistency. That hardware investment paid off fast, since cleaner condensate means fewer filter changes and more reliable real-time analysis. By sticking with standard alkali washes and avoiding multi-solvent separations, we cut down on both waste and cross-contamination risks, which customers picking through impurity profiles always notice. Sometimes it means the process takes a few hours longer, but reliability wins out in the long run for everyone involved.

    Supporting Sustainable Chemistry

    We’ve watched green chemistry become more than just a buzzword among buyers. Companies using N-Propyl Bromoacetate ask about manufacturing sustainability all the time, pushing us to rethink solvent selection, emissions capture, and waste management. Instead of waiting for regulations to force our hand, we pulled methyl chloride and other legacy solvents from our processes years ago. Integral scrubber systems, regular emissions audits, and recycling programs reduced our waste output by more than twenty-five percent over the past three years alone. Our wastewater team focuses on bromide removal before discharge, since bromine management sits at the core of our responsibility to the environment. This isn’t box-ticking; tighter controls have brought measurable improvements in worker health records and batch acceptance rates.

    Batch traceability takes center stage in customer quality queries, and we handle every drum with unique identifiers tied to process records, all backed by live QC updates. Problems don’t always show up right away, so real traceability means clients can trust us for critical documentation long after the original order has shipped. Those efforts grow out of experience—real headaches come from chasing paperwork after the fact. Our partners appreciate full transparency, and so does our own R&D group, since feedback from downstream lets us close the loop in process improvements.

    Downstream Realities: How the Product Performs Where It Counts

    Lab-scale synthesis leads the way for most of our buyers, but large-scale production is where our N-Propyl Bromoacetate proves itself. Companies synthesizing specialty intermediates for high-performance polymers report that our product’s single-peak GC trace saves them hours in column workup. Even the smallest residue of unreacted acid or alcohol means downtime and repeat runs for their operators, and our process investments mean those cases don’t occur.

    Academic collaborators rely on our in-depth technical support. We routinely supply additional batch history or targeted analytical data for researchers tweaking their ligand libraries. These details never come from marketing gloss—they evolve directly from hourly shop-floor reports, lab notebooks, and technical feedback loops between synthesis and QC. If a new application further stretches our product, our internal team helps pivot the production protocol instead of resting on previous formulas.

    End-users working in oligonucleotide modification and surface coatings push for stability under storage and minimal odor contamination. Our experience with alternative bromoacetates taught us the hard way that longer esters and bulkier chains don’t travel nearly as well; n-propyl’s balance makes a difference in transit and on the bench. By tracking shipment conditions, we’ve been able to cut down on customer complaints about off-odors or clouding, especially in hot or humid climates. These incremental process checks aren’t glamorous, but in specialty chemistry margins are thin and performance swings hinge on product reliability.

    Challenges Worth Solving: Operator Safety and Handling

    Brominated esters demand strict respect in plant environments. From daily operations, I know N-Propyl Bromoacetate comes with volatile organic emissions and serious skin/eye irritancy risks. Engineering controls and operator PPE take priority from day one. Regular atmospheric monitoring prevents exposure from creeping up, especially during loading and decanting. Well-ventilated process rooms, sealed transfer lines, and emergency neutralization kits on-hand are lessons we’ve learned through long shifts and tough safety audits. These are not just formalities but decisions rooted in near-misses and close calls from the early days.

    Our daily approach means every operator gets constant training on spill scenarios, with senior staff leading drills and root-cause reviews. Fume capture at every connection point adds frontline protection—especially helpful with n-propyl, which boils higher than its methyl counterpart but still releases odor and vapor quickly under open-air transfer. By investing early in full-shift health monitoring and robust ventilation gear, we’ve cut accident rates and kept our team turnover among the lowest in chemical manufacturing. Our safety history means clients don’t have to question the conditions in which our product is handled, and our internal records stand up to any outside audit.

    Process Improvements: Lessons over the Years

    Refining the synthesis and isolation of N-Propyl Bromoacetate took years of trial, error, and adaptation. Process efficiency looks different depending on batch size and end-use specification. Isolating the product from byproducts demands rigorous phase separation and a tight wash cycle. Drawing from production line experience, our team instituted staged filtering with silica and carbon beds, which clear out traces of color bodies and capture any rogue residuals better than single-pass methods most competitors run. Revisiting old procedures sometimes unearths time-savers—a timer on reflux circulation, for instance, took our batch cycle times down, reducing heat-history exposure and improving batch-to-batch consistency.

    We maintain a direct line between synthetic chemists and production operators. Each improvement or deviation from expected yield gets logged, discussed, and transformed into tweaks that anyone on the floor can use. Our maintenance cycles on glassware and reaction setups draw directly from operator feedback; gaskets or condensers that seem marginal get swapped quickly, reducing downtime and batch contamination months down the line. The cumulative effect is visible in both the product and the satisfaction of users who keep returning with larger orders as their own operations grow.

    Supporting Analysis: How Testing Supports Product Integrity

    Analytical verification remains a cornerstone of our operation. Every incoming raw material, intermediate, and final N-Propyl Bromoacetate undergoes multi-step assessment—GC, HPLC, and water by Karl Fischer titration—every lab team member is trained to catch drift in these numbers. Regular inter-laboratory comparisons keep us honest and highlight potential blind spots before they hit a customer’s synthesis. Actual stories from QC techs show that batch-to-batch tracking isn’t just paperwork; a small, early deviation alerts us that a process adjustment or a new solvent lot may be needed to avoid losses later in the chain.

    We heard from R&D partners seeking non-standard purity upgrades or low-halide variants, especially in pharma-adjacent applications. By embracing custom runs and data-driven testing, we push N-Propyl Bromoacetate quality above basic industry averages, gaining trust from process managers and academic collaborators alike. Our labor force understands why an out-of-spec value means more than just a potential rejection. For the downstream researcher or plant manager, it’s peace of mind knowing work can start without double-checking the incoming drum for surprises that should have been caught upstream.

    Final Thoughts from the Manufacturing Floor

    Experience matters more than price or spec-sheet symmetry for specialty chemicals like N-Propyl Bromoacetate. Each shipment represents thousands of small decisions made at every plant step—from raw sourcing to packing. We know where corners have been cut in the broader market; our commitment to hands-on control, cleaner synthesis, and full transparency separates us from faceless intermediaries. Customer feedback and reliability checks shape our protocol year after year, driving us to anticipate challenges that won’t show up in a data sheet.

    Making and delivering N-Propyl Bromoacetate means responsibility—from environmental management through shipping safety to stringent technical quality. We’ll keep refining every detail: the purity checks, the drying steps, the safety training, the feedback loop between end-user and production plant. That’s the only route to a reputation that lasts, and that’s what keeps our partners coming back, batch after batch.