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Butralin

    • Product Name Butralin
    • Alias Eptam
    • Einecs 259-980-5
    • 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
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    Specifications

    HS Code

    142609

    Chemical Name Butralin
    Cas Number 33629-47-9
    Molecular Formula C14H18N2O4
    Molecular Weight 278.31 g/mol
    Iupac Name 4-(1,1-dimethylethyl)-N-(1-propynyl)-2,6-dinitroaniline
    Chemical Class Dinitroaniline herbicide
    Appearance Yellow to orange crystalline solid
    Solubility In Water Very low (0.5 mg/L at 20°C)
    Melting Point 81-83°C
    Boiling Point Decomposes before boiling
    Primary Use Pre-emergence herbicide for weed control
    Mode Of Action Inhibits microtubule assembly in plant cells
    Logp 4.13
    Toxicity To Mammals Low (Oral LD50 in rats > 5000 mg/kg)
    Stability Stable under normal temperatures and pressures

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

    Packing & Storage
    Packing Butralin is typically packaged in a sturdy, yellow 20-liter plastic drum, featuring hazard labels, usage instructions, and manufacturer information.
    Shipping Butralin should be shipped as a hazardous material according to international regulations. It must be packed in leak-proof, clearly labeled containers and protected from moisture and heat. Transport documents must specify its UN number (UN 3077), hazard class (9), and proper shipping name. Follow all safety and environmental guidelines during transit.
    Storage Butralin should be stored in a cool, dry, well-ventilated area away from heat, sparks, and open flames. Keep the container tightly closed and labeled. Store separately from food, feed, and incompatible materials such as strong oxidizers. Ensure the storage area has spill containment measures and is locked to prevent unauthorized access. Protect from direct sunlight and moisture.
    Application of Butralin

    Applications of Butralin in Industrial Manufacturing

    Butralin is a well-established dinitroaniline herbicide, utilized primarily in specialty agricultural and plantation crops for pre-emergence grass and some broadleaf weed control. As the original manufacturer, we supply butralin to integrators in crop protection manufacturing, plantation managers, and downstream formulation plants operating within regulated markets. The following sections detail the core industrial segments where butralin enters advanced downstream processing under strict compliance controls.

    1. Pre-Emergence Herbicides for Oilseed Crop Production

    In oilseed farming, butralin is widely integrated into pre-emergence herbicide formulations targeted for groundnut, sunflower, and soybean production. Its application suppresses annual grasses and select broad-leaf weeds, which compete with oilseed crops during critical early growth windows. Commercial formulation plants blend this active compound with specific co-agents and adjuvants to meet agronomic performance and residue management standards required by regulatory authorities in major producing countries.

    Industry compliance standards

    • FAO/WHO Plant Protection Product Specifications (including FAO Manual on Development and Use of FAO and WHO Specifications for Pesticides)
    • ISO 9001:2015 Quality Management System for agrochemical manufacturing
    • China GB 2763-2023 Maximum Residue Limits for Pesticides in Food
    • US EPA Registered Pesticide Actives, FIFRA

    Typical usage ratio

    • Formulated dosage: 0.5%–1.5% w/w active ingredient in finished herbicide products depending on soil texture and target weed spectrum

    Downstream process integration

    • Mills blend technical-grade butralin with wetting agents in batch formulation tanks, followed by micronization, stabilizer dosing, and liquid–solid phase homogenization (emulsifiable concentrates or granules)

    Final product types

    • Emulsifiable concentrate (EC) pre-emergence herbicides (e.g., custom-labelled for regional oilseed markets)
    • Granular pre-mixed formulations applied by local farming contractors

    2. Weed Management Systems in Tobacco Plantations

    Large-scale tobacco plantations use butralin-based herbicide programs to control annual grassy weeds prior to seedling transplantation. Downstream producers adhere to tobacco-industry-specific codes, both for formulation integrity and leaf residue management, to align with global tobacco company procurement and acceptability programs. The raw material is processed into stable, low-volatility formulations, with process controls designed for uniform band or broadcast soil treatment.

    Industry compliance standards

    • CORESTA Agrochemical Residue Guidance
    • GlobalG.A.P. Crops Certification (Plant Protection Product Management)
    • European Union Regulation (EC) No 1107/2009 regarding plant protection products
    • ISO 17025 Laboratory Accreditation for residue testing

    Typical usage ratio

    • Finished field application rates: 1.2 to 1.8 kg active ingredient per hectare, with the specific ratio recalculated by downstream blenders based on local soil OM and climate

    Downstream process integration

    • Toll formulators disperse butralin into solvent blends under controlled temperature, filter concentrates, and pass through finished product QC (viscosity and active content inspection).

    Final product types

    • Low-odor concentrated herbicidal emulsions for tobacco seedbed preparation
    • Custom-labeled herbicide formulations for multinational tobacco companies

    3. Herbicide Formulations for Natural Rubber Plantations

    Industrial-scale natural rubber plantations integrate butralin-based herbicides as part of annual weed control protocols to prevent yield losses from competitive grasses. Plant protection teams rely on predictable, low-phytotoxicity pre-emergent formulations, custom-developed by regional agrochemical manufacturers utilizing high-purity butralin supplied under technical-grade specifications. Process controls focus on maintaining narrow dispersion profiles and consistent active ingredient content batch-to-batch.

    Industry compliance standards

    • Association of Natural Rubber Producing Countries’ best practice guidance
    • OECD Principles of Good Laboratory Practice (GLP) for agrochemical evaluation
    • Malaysia MS ISO/IEC 17025:2017 for laboratory testing
    • REACH Annex II Safety Data Sheet compliance (EU market supply)

    Typical usage ratio

    • Technical concentrate inclusion: 1.4%–1.8% w/w in final formulation, adjusted for plantation climate and weed pressure

    Downstream process integration

    • Mixers introduce butralin technical powder or liquid into agitated reactors with carrier solvents; formulation is standardized for suspension stability and finished with anti-caking agents before filling and drum packing

    Final product types

    • Pre-emergent selective herbicide suspensions for mature and immature rubber trees
    • Bulk drums of herbicide concentrate shipped to Asian and African plantation holdings

    4. Pre-Plant Weed Control in Groundnut and Cotton Crops

    Regional crop protection manufacturers formulate butralin as a standalone technical or in multi-active blends for pre-plant weed management in groundnut and cotton. These programs depend on advances in formulation chemistry to minimize crop phytotoxicity and regulatory-mandated residue levels. Downstream producers manage robust traceability protocols to ensure alignment with export standards and food residue requirements, especially for cotton exported to the EU or US.

    Industry compliance standards

    • Codex Alimentarius MRLs for food safety in groundnut
    • USDA APHIS pesticide registrations for US-bound cotton exports
    • Indian CIB&RC registration for commercial plant protection products
    • ISO 14001 Environmental Management in formulation plants

    Typical usage ratio

    • Standard blending: 0.7%–1.5% w/w in final formulation; rates may be reduced with synergist inclusion or customized for minimum residue harvest requirements

    Downstream process integration

    • Producers add butralin technical to high-shear mixing units, dilute with approved emulsifiers, homogenize under heat, and adjust pH for product stability before packing into retail containers or IBCs

    Final product types

    • Emulsifiable concentrates for broad-acre spraying
    • Multi-active blends with tank-mix compatibility for exporter cotton and groundnut growers

    5. Controlled Release Herbicide Pellets for Specialty Horticulture

    Specialty horticulture suppliers employ butralin in extended-release pelletized formulations for nursery and ornamental plant weed management. Such products demand highly uniform technical input, particle size specification, and low dusting properties to deliver gradual, season-long control. Downstream manufacturing must comply with both ornamental market guidelines and local landscape use registration, with a premium on environmental runoff and handler safety standards.

    Industry compliance standards

    • OECD Environmental Fate and Behavior Guidelines
    • US EPA 40 CFR Part 158 – Data Requirements for Registration
    • California Department of Pesticide Regulation registration for ornamentals
    • ANSI Z400.1 Hazard Communication Standard for horticulture product labeling

    Typical usage ratio

    • Granule active content: 0.2%–0.5% w/w, calibrated according to pellet size, container volume, and plant type for slow-release action

    Downstream process integration

    • Palletizing lines mix micronized technical with inert carrier, extrude into spherical cores, coat with hydrophobic polymer film for timed release, then package into market-size pouches

    Final product types

    • Extended-release herbicide pellets for container nursery production
    • Granular top-dressing agents for landscape maintenance contractors
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    Certification & Compliance
    More Introduction

    Butralin: Practical Insights from Years on the Production Floor

    Our Story in Butralin Manufacturing

    Walking through our plant, you see big reactors humming, tech teams pouring over control panels, and consistent batches rolling off the line. That’s the daily rhythm behind Butralin. We’ve been producing Butralin for decades, long before its name became a buzzword among herbicide choices. It was an answer to the growing need for pre-emergent weed control in cotton, soybeans, peanuts, and a handful of specialty crops. Over time, we learned what consistent crystal quality means for the people who actually use these products in the field. We understand every variable that leads from raw material to finished goods. Pure, granular Butralin flowing through your hands—straight from the manufacturer—signals trust and continuity.

    What Butralin Is and How It Actually Works

    Butralin belongs to the dinitroaniline class, and is known among growers and agronomists for its pre-emergent control of annual grasses and some broadleaf weeds. Our most widely sold Butralin comes in technical powder format; we also supply specific wettable powder grades for downstream formulation. The technical powder sports a yellow to orange color, characteristic of dinitroanilines, with a potent, earthy chemical scent. The chemistry behind Butralin targets plant roots during germination, blocking cell division in sensitive weeds. It’s not a contact killer you spray on visible plants; it draws a line in the soil before weeds can even sprout, which explains why farmers prize its reliability year after year.

    Our employees have spent years finetuning the process, dialing in the purity above 98% and maintaining residual crystallinity so the material meters evenly for formulators. Purity plays an outsized role here—not just for regulatory files, but for the practical reality on the farm. Consistent particle size affects everything from suspension stability in tank mixtures to granule flow in automated lines. If you’ve ever unclogged a feeder or recalibrated sprayer jets because of a rogue batch, you already know why experienced manufacturers sweat these details.

    Why Our Processes Matter for Quality

    On paper, every batch might look the same, but real-world outcomes depend on operational discipline. All the glassware, vacuum systems, and precision scales are only as good as the crew running them. We source intermediates directly, and we don’t accept raw stock unless it meets established organoleptic and analytic benchmarks—color, granularity, purity, and trace contaminant levels. Upstream consistency leads directly to few surprises downstream. That’s the plain reality after shipping thousands of metric tons over the years.

    All our Butralin flows from a closed-loop operation that minimizes human contact points and maintains stability during critical synthesis stages. Automated temperature and pressure readings catch small deviations before they snowball into off-spec batches. We audit every lot, not just for compliance, but for the practical problems customers see in real use, like off-odors, segregating particles, or suspended matter in pre-mixed blends. Everything feeds into a continuous improvement loop.

    User Experience, Not Just Laboratory Specs

    Nobody using Butralin at scale cares about a wall chart of analytical data unless it translates to predictable results in the field. We’ve walked rows with agronomists to compare weed control from early- and late-season applications. We’ve seen fields side by side—one with proper Butralin pre-plant incorporated, the other with subpar knock-offs or diluted alternatives. We know the trade-offs between different dinitroanilines. Our product offers longer residual control in certain soils and fewer incompatibility issues with modern herbicide cocktails.

    Field technicians often ask about the “burn risk” with sensitive crops. Our production method deliberately strips potentially phytotoxic byproducts left behind with shortcut processes. Growers using our Butralin model spot fewer stand losses in border rows, even with tight pre-plant windows or when rain delays push application closer to seeding. That’s not empty marketing speak, just the result of investing in better crystallization and more thorough post-reaction purification.

    Usage: Lessons from Growers and Formulators

    Butralin usually enters as a raw material for tank-mix concentrates or granule blends. In regions where labor and time are premium, formulators want a technical grade that disperses quickly, has minimum dust, and incorporates efficiently into liquid carriers. Our engineers take these user needs seriously. We design each batch for optimal wettability—the fine, sand-like granules tumble and disperse into mixers with no “caking up” or hidden clumps. That comes from controlling moisture content and monitoring particle morphology directly during packaging.

    Direct use on the farm requires calibration. We provide detailed batch records with technical data upon request, but most critical is our open-door policy with buyers. If a truckload doesn’t read out as expected or you find unexpected “off” characteristics, our technical support staff—practically all with boots-on-the-ground experience in chemical manufacturing—walk you through practical troubleshooting, not just quoting certificates.

    What Sets Our Butralin Apart from Other Dinitroanilines?

    On the surface, Butralin looks similar to others in the dinitroaniline family—like trifluralin, pendimethalin, or prodiamine. But side-by-side, differences become clear quickly. First, we see varying levels of volatility and photodegradation—trifluralin is notorious for loss if not incorporated promptly. Butralin stays put after a modest rain or shallow till, and has a more stable profile across a broader temperature range.

    Pendimethalin wins points for broad-spectrum control but carries a higher risk of stunting if applications drift into direct seeding zones. Butralin lowers this risk. That’s not just from the active molecule—it comes from manufacturing discipline. Our process tailors particle size distribution so the active stays where it’s supposed to after application.

    Another difference lies in environmental footprint. Butralin breaks down into benign metabolites over a growing season, reducing the worry of carryover injury seen with heavier molecules. We prove it with multi-year residue screening, not just compliance paperwork. These studies come straight off our production logging, since we are the source—not another trading desk moving product along an opaque supply chain.

    Field Trials, Data, and Long-Term Experience

    We don’t just drop samples to test fields and walk away. Our technical advisors partner with crop consultants, track longitudinal trial outcomes, and solicit user feedback from every climate zone where Butralin earns a spot. Data shows that with proper incorporation, Butralin matches or surpasses efficacy benchmarks against key annual grass and small-seeded broadleaf weeds—without the persistence headaches of older chemistries.

    There are years when heavy spring rains push pre-plant herbicide off-target or delay field operations. In those windows, Butralin’s lower volatility and binding affinity to organic matter makes a difference. We controlled for runoff, leaching profiles, and combined effect with common tank-mix partners—our in-house lab tests these variables before sending out each major batch. Less stunting, no yellow flash in crop rows, and no loss in early vigor after adverse weather—that’s the field reality reported directly back to us.

    Some customers use precision banding equipment for spot treatments on high-value crops. Butralin’s granule size, as set by our screen and mill selection, makes calibration easy and repeatable for these systems. Granules do not shatter as easily in modern metered spreaders. This benefits both commercial-scale growers and specialty producers with tighter margins for error. We collect testimonials and yield data season after season and fold that learning directly back into process adjustments.

    Safety, Handling, and Responsible Production

    Every ton of Butralin we produce passes through workstations designed for operator safety and with end-user comfort in mind. Dust control is a relentless focus, not just because regulations demand it, but because our own crews handle this material daily. Over the years, we’ve invested in closed transfer systems, improved containment on powder lines, and more reliable vacuum filtration to cut down fugitive emissions at source. The result shows up in a safer, cleaner product all down the line.

    Safe production and stewardship are part of plant culture. Our manufacturing team trains in emergency scenarios, spill containment, and product integrity measures. From shipping in reinforced, tamper-evident bags to chain-of-custody records, we ensure each consignment meets the same specification as the last. Users don’t have to guess what’s inside each drum or sack. Technical support is not an afterthought; we place a phone call after every first delivery to ensure correct use and answer practical questions.

    Our Butralin meets or exceeds every global benchmark for dinitroaniline residues in food crops. Where local authorities set stricter residue limits or require documentation, we provide traceability down to the individual batch. Several regulatory audits by independent agencies have confirmed the integrity of our records and product quality—because we know that risk can’t be traded away or outsourced.

    Adaptation to New Technologies and Market Trends

    The rise of integrated weed management and new precision farming systems keeps changing how herbicides like Butralin get used. Drone applications, automated tillage, and variable-rate sprayers all require predictable product flow, compatibility, and known break-down profiles. We worked with equipment manufacturers to adapt Butralin granules for newer dispensing nozzles and improved suspension in ultra-low-volume concentrates. Each production tweak responds to real-world user demands, not just a shift in lab jargon or paperwork.

    Growers now face herbicide resistance issues with many contact herbicides. Butralin’s mode of action still shows strong selectivity and robust performance on resistant weed biotypes—field data from multiple years supports this. Our R&D chemists collaborate with university partners, evaluating lower use rates and exploring tank-mix compatibility to stretch active ingredient lifespans. We share the data, both good and bad, because we’ve seen first-hand how transparent feedback improves practical results.

    Sustainability and Our Commitment to Long-Term Value

    The debate over “sustainable” chemicals is not just about regulatory compliance or feel-good headlines. Real change comes from reducing waste, limiting off-target movement, and ensuring that growers only apply what’s needed. We limited hazardous solvent use, improved reaction yields, and retrofitted our mother liquor recovery system to reclaim intermediates. Our technical teams report significant reductions in waste streams and safer byproduct handling because of these investments.

    We sponsor residue trials that track Butralin behavior in multiple soil and climate types—from red loam soy fields to sandy cotton plots. These real-world tests confirm the persistence, break-down rates, and relevant plant-back intervals. The point is simple: growers want practical answers, not just theoretical risk assessments. We work to provide those answers, year after year.

    Support and Learning from the Front Lines

    Smart customers don’t just buy a product; they look for partners who understand what actually happens after the truck leaves the loading dock. We don’t claim to know everything that will happen on your specific field, but we do act on every credible report or question that comes in. Some early adopters of Butralin agitated for a dust-free granule years ago. We listened, reworked our drying step, and tested the result under real-world humidity conditions. Customer feedback led directly to improvements in handling and end-use.

    Peer-to-peer learning drives most farm innovation. We host technical exchange forums, canvass real user needs, and feed product results back into our batch logs. Local weather, soil type, and crop rotation patterns all influence how Butralin performs. We rely on ongoing dialogue as much as any regulatory filing or formal label guidance. Our legacy rests not just on science, but on daily worker experience and user results season after season.

    The Bottom Line: Experience Makes the Difference

    Decades of Butralin production have taught us that chemistry serves people, not the other way around. What matters to us is not just how a product tests out in the lab, but whether it delivers real advantages in real fields, handled by crews who care about consistency and safety. Every success story begins with a batch produced under stable conditions, packed to prevent contamination, shipped when the season demands—not delayed by outside supply chain bottlenecks.

    Direct feedback loops from users drive our improvements. We don’t use standard catch phrases or empty promises; we show repeat buyers their own field results, documented year over year, and adapt production to meet those evolving needs. Butralin’s reputation as a reliable tool for pre-emergent weed control comes from this quiet, steady commitment. Every bag starts with practical lessons learned on the factory floor, not just a formula on a data sheet.

    Anyone interested in a deeper technical discussion, batch traceability, or planning next season’s requirements is welcome to contact our tech team. The difference you see and feel in our Butralin comes from the integrity of hands-on manufacturing, not third-party repackaging or middleman blends. That’s how we keep setting the standard—including yours.