Wusu, Tacheng Prefecture, Xinjiang, China sales7@sinochem-nanjing.com
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1-Bromo-2-Methylpropane

    • Product Name 1-Bromo-2-Methylpropane
    • Alias Isobutyl bromide
    • Einecs 203-445-0
    • Mininmum Order 1 g
    • Factory Site Wusu, Tacheng Prefecture, Xinjiang, China
    • Price Inquiry sales7@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    512060

    Chemical Name 1-Bromo-2-Methylpropane
    Molecular Formula C4H9Br
    Molar Mass 137.02 g/mol
    Cas Number 78-77-3
    Appearance Colorless liquid
    Boiling Point 91-93 °C
    Melting Point -119 °C
    Density 1.259 g/cm3
    Refractive Index 1.428
    Flash Point 7 °C
    Solubility In Water Insoluble
    Smell Pungent, sweet odor
    Iupac Name 2-Bromoisobutane
    Pubchem Cid 6561

    As an accredited 1-Bromo-2-Methylpropane factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle containing 500 mL of 1-Bromo-2-Methylpropane, securely sealed with a plastic cap and labeled with hazard warnings.
    Shipping 1-Bromo-2-methylpropane is shipped as a hazardous chemical under UN Number 2342. It must be transported in tightly sealed containers, away from heat and ignition sources, with appropriate labeling and documentation. Shipping should comply with local and international regulations for flammable and toxic substances, ensuring environmental and personnel safety during transit.
    Storage 1-Bromo-2-methylpropane should be stored in a tightly closed container, kept in a cool, dry, well-ventilated area away from sources of ignition, heat, and direct sunlight. Store separately from strong oxidizing agents and bases. Ensure proper labelling and use secondary containment to prevent spills. Avoid contact with moisture, and handle only in chemical fume hoods or with adequate ventilation.
    Application of 1-Bromo-2-Methylpropane

    Applications of 1-Bromo-2-Methylpropane in Industrial Manufacturing

    1-Bromo-2-methylpropane acts as a critical alkylating agent and building block across several chemical production sectors. Through our direct production capabilities, we ensure consistency, traceability, and regulatory alignment for downstream use at scale.

    1. API Intermediate in Pharmaceutical Synthesis

    Pharmaceutical manufacturers utilize 1-Bromo-2-methylpropane to introduce isobutyl groups in the synthesis of various active pharmaceutical ingredient (API) intermediates, including antiretrovirals, central nervous system drugs, and analgesic agents. Reaction stages require precise control of feed ratios under validated cGMP guidelines, with every batch traceable to maintain compliance with Drug Master File (DMF) submissions. QC teams verify that the compound meets ICH Q7A purity standards before entering nucleophilic substitution and alkylation steps within process development sets.

    Industry compliance standards

    • ICH Q7A Good Manufacturing Practice for APIs
    • US FDA 21 CFR Parts 210/211
    • EU EudraLex Volume 4 GMP
    • Chinese Pharmacopoeia Section 4 (Drug Substances and Intermediates)

    Typical usage ratio

    • 1.2–3.0 equivalents per molar amount of nucleophile; exact range defined during route scouting, controlled by limiting side-reactivity and target conversion rates

    Downstream process integration

    • Dosed directly into alkylation reactors during stagewise addition
    • Used in both batch and flow chemistry setups during multi-step synthesis
    • Pre-purification by distillation before reaction, as required by in-house SOPs
    • QC confirmation prior to release into regulated API lines

    Final product types

    • Intermediate compounds for HIV therapeutics
    • Skeletal muscle relaxants
    • Non-steroidal anti-inflammatory intermediates
    • Generic drug intermediate exports (DMF registered)

    2. Agrochemical Active Compound Manufacturing

    Agrochemical formulators employ 1-Bromo-2-methylpropane for alkylation steps to synthesize isobutyl-substituted pesticides, fungicides, and herbicide active ingredients. Trace impurities and residual solvents must meet national and regional Maximum Residue Limits (MRLs) to ensure environmental and registration compliance. Our manufacturing process offers full COA and TDS traceability supporting ISO and FAO specification requirements for high-volume crop protection active scheduling.

    Industry compliance standards

    • FAO/WHO Technical Specifications for Chemical Pesticides
    • REACH (EC) No 1907/2006
    • ISO 9001:2015 Quality Management Systems
    • China ICAMA registration protocols

    Typical usage ratio

    • 1.1–2.5 molar equivalents per target functional group, adjusted based on synthetic efficiency and impurity monitoring

    Downstream process integration

    • Added during nucleophilic substitution steps for herbicide and pesticide actives
    • Integrated into pre-crystallization feed streams before final formulation
    • Lot-based tracking of storage and batch blending for regulatory submissions
    • Certified input for pilot and scale-up validation trials

    Final product types

    • Isobutyl-substituted pesticide actives
    • Fungicide technicals for export registration
    • Pre-emergent weed control APIs
    • Intermediate blocks for insecticide synthesis

    3. Fragrance Ingredient Building Block

    Fragrance and flavor manufacturers use 1-Bromo-2-methylpropane in the alkylation of aromatic cores for creation of isobutyl-substituted musks and aroma chemicals. Input purity, residual bromide testing, and traceability meet IFRA, FEMA GRAS, and key EU regulations. All shipments come with COA detailing batch-level aromatic hydrocarbon analysis to satisfy high-end fragrance house specifications.

    Industry compliance standards

    • IFRA Standards (International Fragrance Association)
    • EU Regulation (EC) No 1223/2009 (Cosmetics)
    • FEMA GRAS (Flavor Extract Manufacturers Association)
    • Cosmetic Ingredient Review (CIR) Panel verification

    Typical usage ratio

    • 0.8–1.5 equivalents per synthesis, adjusted for result desired in alkyl-substituted aromatic derivatives

    Downstream process integration

    • Integrated as the alkyl donor in Friedel-Crafts and related alkylation steps
    • Pre-blending with aromatic alcohols or ketones
    • Occasionally employed for selective ether/ester synthesis in aroma R&D labs
    • Batch-certified for fragrance house release specifications

    Final product types

    • Isobutyl aromatic synthetic musks
    • Specialty esters for fine fragrance
    • Custom fragrance intermediates for luxury personal care
    • Flavor and fragrance research prototypes

    4. Solvent and Functional Fluid Synthesis

    Manufacturers of high-purity specialty solvents leverage 1-Bromo-2-methylpropane as an alkylating agent in the synthesis of isobutyl-modified functional fluids, including high-boiling ketones, ethers, and esters. QC protocols cover halide residual levels and peroxide formation tests. Production batches meet ASTM and JIS specifications for solvent-grade input chemicals, enabling compliance in downstream electronics, coatings, and extraction solvent applications.

    Industry compliance standards

    • ASTM D1078 Standard Test Method for Distillation Range of Volatile Organic Liquids
    • JIS K 0124 (Japan Industrial Standards for organic solvents)
    • ISO 14001:2015 Environmental Management Certification
    • US TSCA (Toxic Substances Control Act) requirements

    Typical usage ratio

    • 1.0–2.0 molar equivalents depending on target fluid and synthesis process route

    Downstream process integration

    • Reacted in pressure reactors with ketones or alcohols for specialty solvent manufacture
    • Blend control with halogen scavengers to minimize residuals in final solvent
    • Pre-treatment stage prior to batch distillation for electronic chemical grades
    • Parallel line sampling for continuous monitoring of halide levels

    Final product types

    • Isobutyl-based extraction solvents
    • Specialty ketones for coatings and adhesives
    • Electronic-grade functional cleaning fluids
    • Low-volatility carrier solvents for precision industries
    Free Quote

    Competitive 1-Bromo-2-Methylpropane prices that fit your budget—flexible terms and customized quotes for every order.

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    Email: sales7@sinochem-nanjing.com

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    Certification & Compliance
    More Introduction

    1-Bromo-2-Methylpropane: Reliable Alkylating Agent Direct from the Source

    Introduction to 1-Bromo-2-Methylpropane as a Chemical Building Block

    Our daily operations at the chemical manufacturing site revolve around getting the right compounds processed in consistent quality batches. 1-Bromo-2-methylpropane stands out among our core halogenated alkane products, the kind that chemical engineers, researchers, and process chemists regularly reach for when they need a straightforward C4 alkyl halide for academic, industrial, or commercial synthesis. Sometimes called isobutyl bromide, this compound brings value as a primary alkylating agent. It's that efficiency in nucleophilic substitution reactions—especially in the formation of isobutyl derivatives—that keeps customers returning to our plant.

    Physical and Chemical Qualities You Can Trust

    Trust grows with every lot shipped. We don't just talk about specifications; we live them every day as we batch, test, and document our 1-Bromo-2-methylpropane. Typical product leaves the plant as a clear, colorless liquid, nearly odorless aside from a faint organic solvent scent that's only noticeable around fresh pours. Boiling point sits around 91 °C, which allows straightforward distillation and recovery in a range of organic processing units. Rigorous quality control confirms a consistently low water content and minimal by-product formation. We regularly analyze each tank for residual isobutylene or dibromo impurities, because people need to know what they're really getting.
    Purity matters at each step—from loading at the reactor vessel, through storage, to drum filling. Each time we've fine-tuned a process parameter, it's after running lab samples and balancing yields against purity for our partners. The packed columns, water-separation traps, and multi-stage vacuum lines in our plant are built around ensuring that our product can handle aggressive nucleophiles without introducing unwanted functional groups or side products.

    Working with Industry: Where 1-Bromo-2-Methylpropane Is Most Useful

    End users often have a tightly defined application in mind. Here, 1-Bromo-2-methylpropane often shines as an alkylating agent for making ethers, esters, and amines, especially in pharma research, agrochemical intermediates, and specialty surfactant synthesis. The simple structure, with a bromide on a branched four-carbon backbone, makes it particularly useful for introducing isobutyl groups into more complex molecules. Chemists keep coming back for isobutyl bromide because the tertiary carbon center adjacent to the bromine makes certain SN2 reactions faster and more predictable than with more hindered bromides.

    Our material gets shipped to pilot plants and R&D teams building custom surfactants and intermediates. We've seen advanced organic labs use this product as an alkylating agent in Grignard-type and organolithium chemistry. It comes down to consistency and knowledge that you're starting with a pure, single-component product, especially when scaling up from a flask to a vessel, or from a gram-scale lab to a hundred-liter pilot.

    Comparing to Other Halogenated Alkanes: Advantages in Synthesis

    You'll often hear researchers debate the merits of using bromides versus chlorides for alkylations. With isobutyl bromide, that decision shifts to reaction efficiency. Bromides typically serve as better leaving groups than chlorides or fluorides. 1-Bromo-2-methylpropane, compared to its chloride cousin, helps with higher yields under milder conditions. This translates to lower energy costs and gentler reaction parameters, which can mean less stress on downstream purification and less troubleshooting during scale-up.

    We get to see the practical side—how bromides like 1-Bromo-2-methylpropane offer more controllable reaction profiles than their iodide counterparts. Iodides can overreact or introduce unwanted side reactions due to their higher reactivity, which hurts selectivity in some steps. Our experience with multi-tonne batches confirms bromides deliver the best balance of reactivity, cost-control, and process flexibility.

    As a manufacturer, raw material selection often follows availability, regulatory status, and ease of handling. Isobutyl bromide offers manageable volatility and logistical safety compared to more volatile methyl or ethyl bromides. Drum labeling, warehousing, and bulk transfer come with their own challenges, but we've dialed in handling systems to minimize fugitive emissions and contain any accidental releases.

    Isobutyl Bromide Repeatability in Multi-Step Synthesis

    R&D chemists and plant scale-up managers alike count on products working the same way each time. 1-Bromo-2-methylpropane gets pulled into multi-step syntheses as a starting material or intermediate. For medicinal chemistry, structural modification often begins with alkylating a sensitive group—using isobutyl bromide where less reactive analogues would stall. In perfumery or flavor manufacturing, it pops up attaching to more complex scaffolds, building up carbon skeletons without unintended substituents.

    We've worked alongside customers developing proprietary processes in CRO settings, where compound identity verification (NMR, GC-MS) is non-negotiable. Real traceability comes from making each lot fit for certification and maintaining a paper trail from raw material inputs to finished drums. That reliability comes from batch records, regular calibration, and frequent analytical checks, rather than waiting for a complaint to trigger a review.

    Meeting Tight Specs: Our Daily Quality Process

    Every stage in the process—reactor charge, hydrobromic acid feed, quenching, and distillation—gets tracked and logged. Our QC staff know the real details, like which columns work best to strip off trace organics, or how a minor variance in reflux ratio throws off the head and tail cuts. Batches that drift outside expected ranges don't leave the site.

    Key physical constants—density, refractive index, color, and composition—are measured on equipment calibrated against national standards. Customers using 1-Bromo-2-methylpropane in GMP environments appreciate certificates of analysis that actually match what arrives on site. That trust stacks up over years, not just on one order.

    Flexibility in Logistics: Handling and Delivery Options

    Because our team controls the drums, IBCs, and tanker loads from production to shipping, we learn from every batch shipped and every unloading interaction. That hands-on knowledge goes into safer, more efficient delivery. We take feedback from operators using both open-drain and closed transfer systems, learning where small changes in packaging or labeling make jobs safer and faster at the destination. When end users have a unique bulk requirement or need special cleaning, we run trial lots and adjust our cleaning practices to cut cross-contamination.

    Our staff know two batches from the same run can look identical at first glance, but inconsistent packaging or a misaligned drum bung can slow a day's work in your warehouse. Small investments, like reinforced drum liners or antistatic seals, have delivered real risk reduction and less product loss through handling accidents. Our delivery partners share those lessons with us directly; practical feedback matters more than abstract logistics metrics.

    Supporting Compliance and Application Safety

    Full disclosure and compliance come first. We keep current on REACH registration, U.S. TSCA inventory listings, and maintain our own materials database. End users in regulated environments can access up-to-date documentation such as detailed safety data sheets and shipping advice. Regional differences in classification or permissible thresholds sometimes call for extra paperwork or special attention on labels and placards—for us that's a workflow, not a headache.

    1-Bromo-2-methylpropane requires the right PPE and ventilation, which we model every day in the plant. Engineers designing pilot plants or expansion projects often ask for advice on scrubber design, vapor control, and effluent management. We pass on real data—like measured vapor concentrations and liquid handling rates—so customers avoid repeating problems we already solved in our own upgrades.

    Process safety matters at each scale, whether you’re charging a single flask at the bench or thousands of liters in continuous production. We don’t just repeat regulatory advice; we evolve after seeing what works and what falls short. For example, we upgraded fume hoods and redesigned storage areas after feedback from both our own operators and end users. Real experience with leaks, pressure changes, and static buildup made the most difference in improving safety culture on site.

    Environmental Responsibility and Waste Management

    Handling halogenated compounds responsibly shapes company reputation and industry standards. Every liter not collected, neutralized, or properly incinerated adds risk—to workers, neighbors, or the environment. Our waste streams run through on-site scrubbers and neutralization tanks before any external disposal, and we quantify actual emissions rather than rely on theoretical balances. Local authorities audit these processes, and their documentation gets checked against our own logs.

    End users push us for safer and greener alternatives; we share our in-house research findings on minimizing solvent loads or improving the purging of residual halides. Sometimes a simple step, like adjusting column packing or pre-drying feed lines, delivers cleaner product with less need for solvent flush. Many custom applications benefit from supplier input on minimizing exposure and waste—solutions that come from operational hindsight, not policy templates.

    Comparing with Other Alkyl Bromides: What Sets Isobutyl Bromide Apart

    Most people are familiar with n-butyl and sec-butyl bromide for related work. Unlike its linear analogues, 1-Bromo-2-methylpropane brings a degree of branching at the beta carbon. That branching can make a significant difference. In certain SN2 and E2 reactions, this structure avoids unwanted rearrangements and improves regioselectivity. This results in higher selectivity for specific isomers, important in pharmaceutical syntheses or specialty chemicals.

    n-Butyl bromide, for instance, can lead to side products if the synthesis pathway involves rearrangement-prone carbocations. With 1-Bromo-2-methylpropane, the intermediate species tend to follow direct trajectories, especially in alkylation or elimination reactions. These advantages play out on scale: our own plant chemists have seen shorter workups and easier separations when using isobutyl bromide as opposed to its linear cousins.

    Differences extend to logistics. More volatile bromides mean higher risk during storage, whereas isobutyl bromide sits in a safer volatility zone, less prone to rapid evaporation or pressure buildup during ambient transport but still manageable at typical ambient temperature ranges. Customers with sensitive bulk-storage requirements appreciate the stability and reduced hazmat insurance loads.

    R&D and New Applications: Partnering for Innovation

    Strong partnerships between chemical manufacturers and research labs lead to new application fields. Over the last decade, our plant has collaborated with startups and multinational groups alike. Many are aiming for greener syntheses, enzyme-mimetic pathways, or polymer-based innovations. We offer technical input gained from our own organic synthesis runs—data on purity under different process regimes, workarounds for sticky intermediates, or strategies for in-line recovering of unreacted alkyl bromide.

    Newer applications often head into material science or electronics, where alkyl bromides function as precursors for complex ligands, ionic liquids, or even in catalysts for olefin polymerization. Our ability to tailor the final packaging, adjust small batches for bench development, or scale up for pre-pilot runs comes from years of watching bench-scale ideas grow into high-value commercial lines. Real, on-the-ground manufacturing experience saves customers months of troubleshooting and unnecessary repeat experiments.

    Learning from Users: Direct Feedback Loop

    End-user insight counts. Over years, we've worked with chemists in fine chemical labs, bulk processors, and advanced research teams. Every return, complaint, or delivery challenge pushes us to revisit our own operations. Someone once called out a trace sulfur odor in a high-purity run; turned out a maintenance tray scrubber needed service. Those findings translate directly into improved batch scheduling and plant maintenance for future runs.
    For new applications, pilot partners relay their on-stream results, yields, and even extraction solvent selection. Our own analytical team uses that feedback to adjust control charts, monitor new impurity profiles, and introduce supplementary cleaning and drying steps.

    Case Studies: Efficiency at Scale

    A few years ago, a contract manufacturing partner increased their isobutylation run-rate and flagged higher reaction temperatures than expected. Data exchange pointed to a subtle increase in trace by-products, traced to a feedstock issue further up the chain. We brought in raw material suppliers, resolved upstream catalysis, and brought specifications back inside target in fewer than five batches. Direct troubleshooting, not blame-shifting, keeps product quality high and minimizes supply disruptions.

    Another scenario: a large-scale agrochemical customer asked for a drum-by-drum batch comparison to audit consistency. Over weeks of GC analysis, they tracked retention times, contaminant levels, and process yields across more than 100 shipped drums. Continuous dialogue and parallel in-house runs helped zero in on optimal batch windows, improving efficiency and reducing scrap rates for both of us.

    Continuous Process Improvement: Today and Tomorrow

    Manufacturing 1-Bromo-2-methylpropane isn’t a static proposition. Each shift in best practices, new analytical standard, or process safety directive triggers a review on the plant floor. We train new operators on the history behind each plant upgrade and document every deviation. Those collective memories, accumulated through years of production, make a real difference day to day.

    As greener process demands and regulatory scrutiny rise, we've ramped up closed-loop solvent recovery, energy-efficient cooling, and continuous emissions monitoring. Advancements in process analytics feed back into shorter process windows, higher recoveries, and reduced chemical loss. All improvements that matter not just for the bottom line, but for partners who want proof their supply chain is really getting cleaner and more resilient.

    Closing Perspective: Direct from the Manufacturer

    Supplying 1-Bromo-2-methylpropane involves more than getting drums out the door. Every batch reflects our drive to support effective synthesis, protect workers, and offer chemistry solutions that stand up to real scrutiny. We listen to every customer call and analyze every lab result to build better processes and supply chains. That expertise, forged with the work of countless operators and chemists, is what we bring to our customers’ labs and plants with every shipment.