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2-Bromo-3-Nitrotoluene

    • Product Name 2-Bromo-3-Nitrotoluene
    • Alias 2-Bromo-6-nitrotoluene
    • Einecs 221-299-0
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    829465

    Cas Number 3978-81-2
    Molecular Formula C7H6BrNO2
    Molecular Weight 216.03 g/mol
    Iupac Name 2-bromo-3-methyl-1-nitrobenzene
    Appearance Yellow to orange solid
    Melting Point 38-42 °C
    Boiling Point 292-294 °C
    Density 1.64 g/cm³
    Refractive Index 1.623
    Purity Typically ≥98%
    Solubility Slightly soluble in water, soluble in organic solvents
    Smiles CC1=C(C=CC=C1Br)[N+](=O)[O-]
    Inchi InChI=1S/C7H6BrNO2/c1-5-6(8)3-2-4-7(5)9(10)11/h2-4H,1H3
    Synonyms 2-Bromo-3-methyl-1-nitrobenzene; m-Nitro-o-bromotoluene
    Storage Conditions Store at room temperature, keep container tightly closed

    As an accredited 2-Bromo-3-Nitrotoluene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 2-Bromo-3-Nitrotoluene, 100g, packed in a sealed amber glass bottle with hazard labels, foam cushioning, and tamper-evident cap.
    Shipping 2-Bromo-3-Nitrotoluene is shipped in tightly sealed containers, protected from light, moisture, and incompatible substances, and typically packed in UN-approved packaging. It is classified as hazardous, requiring proper labeling and documentation according to international transport regulations (DOT, IATA, IMDG). Handling precautions and safety data sheets are provided with the shipment.
    Storage 2-Bromo-3-nitrotoluene should be stored in a cool, dry, well-ventilated area, away from sources of ignition, heat, and incompatible substances such as strong oxidizers and reducing agents. Keep the container tightly closed and properly labeled. Store in a chemical safety cabinet, preferably designed for hazardous or flammable chemicals, and protect from light and moisture to preserve chemical stability.
    Application of 2-Bromo-3-Nitrotoluene
    Purity 99%: 2-Bromo-3-Nitrotoluene with 99% purity is used in pharmaceutical intermediate synthesis, where it ensures high-yield and impurity reduction in active compound formation. Melting Point 45-48°C: 2-Bromo-3-Nitrotoluene with a melting point of 45-48°C is utilized in fine chemical manufacturing, where it supports controlled recrystallization and product consistency. Molecular Weight 216.01 g/mol: 2-Bromo-3-Nitrotoluene at molecular weight 216.01 g/mol is applied in agrochemical precursor preparation, where it enables precise dosage calculations and consistent batch formulation. Low Moisture Content (<0.5%): 2-Bromo-3-Nitrotoluene with low moisture content (<0.5%) is used in electronic material synthesis, where it minimizes hydrolysis risk and improves material stability. High Chemical Stability: 2-Bromo-3-Nitrotoluene with high chemical stability is used in dye intermediate production, where it prevents unwanted side reactions and enhances color fastness. Controlled Particle Size (<50 µm): 2-Bromo-3-Nitrotoluene with controlled particle size (<50 µm) is applied in specialty polymer synthesis, where it promotes uniform dispersion and optimal polymer properties. Stability Temperature up to 120°C: 2-Bromo-3-Nitrotoluene stable up to 120°C is used in heat-initiated reactions, where it maintains structural integrity and reliable conversion rates. Low Halogen Impurity (<0.1%): 2-Bromo-3-Nitrotoluene with low halogen impurity (<0.1%) is utilized in active compound formulation, where it reduces byproduct formation and ensures regulatory compliance.
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    Certification & Compliance
    More Introduction

    Introducing 2-Bromo-3-Nitrotoluene: Hands-On Perspective from the Manufacturer

    What Sets 2-Bromo-3-Nitrotoluene Apart: Real-World Experience

    The journey of producing 2-Bromo-3-Nitrotoluene brings plenty of lessons learned through the hands-on grind of chemical manufacturing. Working on this aromatic compound, which features both bromo and nitro groups on a toluene backbone, you start to understand not just the process chemistry but also the practical value and challenges behind every batch that leaves the reactor. There’s more to this molecule than meets the eye, and years on the shop floor reveal why our direct manufacturing matters for customers who want reliability, purity, and confidence in every shipment.

    Model and Specifications: What Goes Into Each Batch

    Our 2-Bromo-3-Nitrotoluene, commonly identified by its CAS 3978-81-2, isn’t simply a product pulled off a global list. It’s the outcome of careful route selection, equipment verification, and day-to-day quality checks at every stage. Purity consistently reaches above 99% by GC, verified fresh and not from a dusty dossier. Moisture control, residual solvents, and byproduct traces get checked with our own instruments. We’ve invested in analytical capacity—GC, HPLC, and NMR—to lay eyes on every impurity, not just the easy ones. Every time a sample makes it through testing, it means we’ve dialed in the process well enough to avoid a costly rework or batch failure. Customers in dyes, pharmaceuticals, and agrochemicals care about subtle differences, so we run more than just routine checks; we test for the traces that others overlook.

    Each container is packed and sealed at our facility for full traceability. The standard physical form—off-white to light yellow crystalline powder—comes directly off our crystallization lines, with particle size and free-flow properties matched to minimize clumping during weighing and handling. No product leaves our floor until we have moisture readings and loss-on-drying data on record. This attention to detail and consistency in packaging saves time during downstream processing and helps users avoid waste.

    Uses and Downstream Applications: Meeting the Practical Needs

    We supply 2-Bromo-3-Nitrotoluene for various demanding applications. Over the years, we’ve watched it serve as a crucial intermediate in synthesizing APIs (active pharmaceutical ingredients), specialty dyes, and advanced agricultural chemicals. In a pharmaceuticals plant, the integrity of each batch can make or break a whole campaign. An agrochemical innovator told us once the purity of our product saved him half a day in filtration headaches. Recalling that feedback, we stay vigilant during production, never taking shortcuts or running on assumptions.

    For dye makers, every gram counts when scaling up to tonnage levels. Handling heavier aromatic compounds means thermal stability and color retention matter. Subtle issues like isomer contamination or small residual acids create unpredictable tints in the final dye—only trace analysis and batch consistency can resolve that, both of which we control in-house. We’ve seen how even minimal impurities impact the chromatic strength and application properties in large-scale industrial colorants, so our customers keep coming back, not for marketing promises, but for trouble-free processing.

    Why Specification Consistency Matters in 2-Bromo-3-Nitrotoluene

    In most manufacturing labs, simplification looks tempting, but not every source of 2-Bromo-3-Nitrotoluene offers the same raw material profile. As the original producer, we control access to starting toluene. Bromination, followed by nitration, creates hazards and unwanted byproduct formation—2-bromo, 5-nitro, and ortho/para-substituted toluenes all crop up if conditions waver. Reactor conditions and purification steps matter because every variable—temperature, acidity, stirring speed—shapes the outcome.

    We found early on that competitor batches sometimes carry a faint halogen smell or residual acid because their plant lacks tight fractionation. Our process design, developed through more than a decade of incremental tweaks, pinpoints the harsh chemistry needed yet builds in enough flexibility to nudge yields up and impurity levels down. Many users tell us about the mix of off-spec and unpredictable batches from changing suppliers. That’s why our focus stays on controlling variables, never handing that responsibility off to a distant subcontractor or contract manufacturer.

    Differences From Other Aromatic Nitro-Bromo Isomers

    Chemists and process engineers often ask about specific differences between our 2-Bromo-3-Nitrotoluene and alternate isomers like 2-Bromo-4-Nitrotoluene or further-homologated bromonitrotoluenes. From a synthetic standpoint, each positional variant brings unique downstream reactivity and compatibility with coupling partners. 2-Bromo-3-Nitrotoluene, for example, opens up access to direct substitution or cross-coupling reactions on the aromatic core, often utilized for fine-tuning electron density or introducing further functionality.

    Layout of substituents matters when you’re building a complex molecule. In our experience, the ortho-nitro arrangement of this compound leads to different reactivity compared to more para-substituted analogs—the nitro group’s electron-withdrawing effect shifts the bromine’s reactivity, which influences catalyst selection and reaction temperature. Process chemists exploit this subtle shift to increase yields in multi-step synthesis. Insights like these don’t come from a template; they’re gained from listening to chemists, seeing failed reactions, and running comparative pilot campaigns.

    Why Direct Manufacturing Transparency Protects Customers

    As a manufacturer, we understand the value of transparency. Each customer who visits our plant or audits our process sees exactly how batches move through each production stage. With so many intermediates flooding the market from third parties or intermediaries who struggle to clarify origin or quality, the need for source accountability has never been greater. Being the source brings risk but also rewards—the QA/QC team in our facility gets access to process data, not speculative documents passed between resellers.

    Documentation follows reality. Certificates of analysis, batch manufacturing records, and transportation documents all originate from our plant. When a user asks for a specific certificate, they get a digital copy pulled from the day’s laboratory work, not a repackaged PDF. If there’s a deviation or a specific need—reduced-level impurity, altered physical form, or bulk packaging—we tap into the actual batch sheets and coordinate custom runs, not empty promises. That kind of traceability means customers trust the end product in their reactors, formulations, and downstream synthesis, avoiding lost time and expensive troubleshooting.

    Safety, Environmental, and Handling Considerations With Real-World Impact

    Handling 2-Bromo-3-Nitrotoluene in our facility sheds light on the compound’s practical risks and necessary safeguards beyond what a label might say. Every drum and bag comes with clear hazard identification, and supervisors enforce personal protective equipment in all contact areas. While toxicity and hazardous potential are well-known in textbooks, our plant has developed protocols born out of actual handling incidents—rapid containment trays, ventilation near filling lines, and dedicated waste lines for contaminated rags and packaging.

    Being the manufacturer means we don’t farm out waste or environmental compliance; we manage the collection and destruction of waste brominated solvents and spent acids on-site. This approach limits environmental exposure, keeps us within local and international environmental limits, and avoids surprise compliance costs for our customers. It’s one thing to read disposal guidelines, but managing a live effluent system shows where paperwork ends and practical safety begins.

    Field Feedback Drives Continuous Improvement

    Over years of supplying batches at kilo to ton scale, our laboratory and sales teams collect real-world feedback directly from downstream users. Issues like powder flow, solubility, and even packaging breakage show up first on plant floors and are relayed instantly to our operations team. That’s where direct manufacturing delivers value: instead of making adjustments months later or across continents, we act right away. For example, we revamped our packaging and added inner liners after a summer shipment degraded in humidity—no distributor or reseller could have implemented this fix so quickly.

    Partners in India, Europe, and North America have highlighted subtle quality metrics that shaped our ongoing data-driven process mapping. In one case, a user’s crystallization step produced a color impurity traced to trace metals in the starting material. Our technical team changed the source of one upstream reagent and eliminated the problem for all batches going forward. Such improvements stick because they come from real cases and field-tested solutions, not from imagined specifications.

    Market Dynamics and Customer Assurance

    Raw material sources often fluctuate, and geopolitical shifts affect the entire supply chain. As a manufacturer, we stockpile critical intermediates and confirm trusted suppliers for bromine and toluene. If a particular grade or alternate source causes a change in impurity levels, we flag and halt production. We don’t chase low-ball spot prices at the expense of process stability. This approach shields our users from unexpected delays and shifting impurity profiles.

    Timeliness means everything to pharmaceutical and agricultural partners working against exacting project milestones. If a project manager calls on a Friday for an urgent lot adjustment, our logistics and warehouse team gets to work without negotiating across a chain of third parties. We can change labeling, customize packaging, or print bespoke batch information because we have everything under our roof. These are capabilities traders or non-manufacturers rarely offer.

    Regulatory Assurance and Industry Standards From a Practitioner’s View

    Manufacturing 2-Bromo-3-Nitrotoluene puts us in constant dialogue with regulatory bodies. We routinely review our processes against new compliance guides from international and domestic agencies. Our compliance team keeps documentation updated for all exports, including alignment with the requirements in the EU and United States for hazardous chemical handling. We use firsthand batch data to respond to regulatory questions—no guesswork or unfamiliar third-party certificates.

    Many customers face tedious documentation needs for inspections and audits. Our in-house team supplies immediate and authoritative answers to chemical provenance, batch release dates, impurity profiles, and shipment tracking. This makes a significant difference for users facing close scrutiny. Instead of pushing paperwork up the line, we speak directly to inspectors after checking internal logs. Direct engagement increases confidence and speeds up regulatory clearance, giving project leaders freedom to plan production confidently with firm timelines.

    Cost Control and Production Efficiency Insights

    Having hands-on control at each stage allows us to optimize for both cost and quality. Process improvements get implemented the moment we see even a minor bottleneck. An example from the past few years shows this in action: reformulating washing protocols cut solvent usage by fifteen percent, which translates to real cost savings not just for us but ultimately for the purchasers. Resource efficiency on the manufacturing side means tighter control on pricing in a competitive landscape.

    Customers often ask about cost structure and savings potential. By keeping synthesis, purification, and logistics all under one roof, internal handovers and miscommunications are eliminated. Adjustments to yield, temperature, or filtration step get documented and fed back to the next shift. In fast-moving industries like pharma or agchem, waiting for overseas approval slows everything down. We share data and adjust in real-time, helping customers keep project costs within budget.

    Supply Chain Security: Direct from the Plant Floor

    Supply consistency stems from physical control of raw materials, intermediate handling, and finished goods warehousing. We are responsible for every drum’s journey, so there is little room for confusion about origin, quality, or delay. If shipping routes or customs regulations shift, our logistics staff adapt by staying updated and moving inventory buffers closer to main international ports.

    From a reliability perspective, direct sourcing from the manufacturer translates to fewer surprises for customers. Emergencies, projects with sudden ramp-up needs, or even short-term vendor audits rarely throw off our schedule, as we plan for the ebbs and flows that mark industrial projects.

    What It Means for Customers Using 2-Bromo-3-Nitrotoluene

    The people who buy from us aren’t just ticking boxes on a sourcing brief. Many plan out six-month or even yearlong research and development pipelines that depend on material coming exactly as specified, batch after batch. We sweat the details because the people on the other end do, too. Manufacturing means living with the feedback, learning from failures, and striving for trouble-free lots, every single day.

    Over the years, we’ve seen shortcuts in this business catch up to everyone—unexpected isomer ratios crop up if reaction parameters drift, color changes occur with poorly controlled feedstocks, and customers end up losing days of productive work because of hidden mistakes upstream. Running a factory that produces this compound means being directly accountable for those results, facing every challenge and learning how to resolve it using skills, not marketing.

    Why Manufacturer Experience Makes a Difference

    Written specifications do not replace lived experience. From the first trial batch that foamed out of a vessel (and took a day to clean up), to the fifty-ton deliveries that roll out smoothly after years of procedural refinement, each step builds a database of practical knowledge. We don’t simply replicate lab-scale results on a bulk scale—we solve heat-transfer issues, avoid corrosion in pumps, and replace outdated glassware with industrial substitutes.

    With exposure to dozens of process evaluations and customer site visits, our team understands which attributes need priority: not just purity, but the right melting point, stable color, and absence of fines that make downstream filtration too slow. Knowing where pain points can arise lets us discuss solutions, not just specifications, with our customers.

    Potential Concerns and In-House Solutions

    Every plant run reveals potential pitfalls with 2-Bromo-3-Nitrotoluene. Reactivity toward certain nucleophiles sometimes generates side-products, especially when the process environment is not tightly regulated. Shipping cycles expose the compound to temperature swings, so we standardize moisture barrier packing. In the case of a unique customer need—for instance, a narrow particle size range or low heavy metal content—our team works up a development run and monitors the output until it meets requirements.

    Cost pressures never disappear, and competitors will always offer cut-rate deals. As a manufacturer, we respond with openness about what goes into every cost line and why quality steps cannot be skipped. Bulk customers sometimes want larger or smaller pack sizes, and because we control the filling operation, these requests get handled without a series of markups or delays.

    Raw material price shifts happen often, especially with fluctuations in global bromine or toluene supply. By anticipating these swings and tagging intermediate inventories, we buffer production so that sudden demand spikes don’t catch us unprepared. For users stuck with last-minute synthesis changes, we also maintain a flexible release policy to keep project timelines intact without sacrificing quality.

    Final Thoughts from the Production Line

    What separates a manufacturer from anyone else in the chemical sector goes beyond equipment or even proprietary process routes. It’s the relationship with the product, knowing its pitfalls, shortcuts, and secrets. 2-Bromo-3-Nitrotoluene has taught us to measure our claims against the daily reality of the pilot plant and the production floor, where real-world challenges push past assumed norms and force practical solutions.

    For every user who’s ever waited anxiously for a clear drum of product, or who’s struggled with batch-to-batch variability, choosing a direct manufacturer offers a route toward consistent, reliable materials without the runaround. Every production shift, shipping department, and QC sampling in our plant feeds into a cycle of improvement that touches each kilo we ship. Ultimately, the value of partnering with a chemical manufacturer who understands these realities brings practical peace of mind and project continuity to every customer.