Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
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Napropamide

    • Product Name Napropamide
    • Alias Devrinol
    • Einecs 250-779-5
    • 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
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    798235

    chemical_name Napropamide
    CAS_number 15299-99-7
    molecular_formula C17H21NO2
    molecular_weight 271.36 g/mol
    IUPAC_name N,N-diethyl-2-(1-naphthoxy)propionamide
    appearance White crystalline solid
    solubility_in_water 73 mg/L at 25°C
    melting_point 70-71°C
    mode_of_action Pre-emergence herbicide, inhibits root growth
    primary_use Control of annual grasses and certain broadleaf weeds
    application_method Soil application
    logP_octanol_water 3.79
    vapor_pressure 5.6 x 10^-4 mPa at 20°C
    decomposition_temperature Above 200°C
    stability Stable under normal storage conditions

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

    Packing & Storage
    Packing The packaging for Napropamide features a 5 kg sealed plastic bag with hazard symbols, product label, batch number, and handling instructions.
    Shipping Napropamide should be shipped in accordance with local and international regulations for pesticides. It must be securely packaged in sealed, labeled containers to prevent leaks or contamination. Transport by road, rail, sea, or air should avoid extreme temperatures. Ensure documentation, including safety data sheets, accompanies the shipment for emergency reference.
    Storage Napropamide should be stored in a cool, dry, well-ventilated area away from incompatible substances such as strong oxidizers. Containers must be tightly closed and clearly labeled, protected from direct sunlight, moisture, and extreme temperatures. Store away from food, feed, and water sources to prevent contamination. Always follow local regulations and guidelines for storage and handling of agricultural chemicals.
    Application of Napropamide

    Applications of Napropamide in Industrial Manufacturing

    As a specialized producer of Napropamide, we supply this selective pre-emergent herbicide to regulated industrial sectors where strict formulation guidelines and process controls are paramount. The following sections provide detailed insights into the main downstream applications, highlighting compliance requirements, exact dosing, integration steps, and the nature of resultant end products in each key industry.

    1. Agricultural Herbicide Formulations

    Industrial herbicide manufacturers use Napropamide as a core active ingredient in pre-emergent weed control solutions, particularly targeting broadleaf and grass species in orchard crops and certain vegetables. Formulators fine-tune the concentration to align with national regulations and specific crop tolerance parameters, integrating the ingredient into emulsifiable concentrate, wettable powder, or granular product types through controlled blending and granulation processes under closed system conditions.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • EU Regulation (EC) No 1107/2009
    • US EPA 40 CFR Part 180 Tolerances and Exemptions
    • China GB 2763-2021 Maximum Residue Limits for Pesticides

    Typical usage ratio

    • Standard formulation at 45–55% w/w (technical concentrate); diluted further to 3–10% in commercial wettable powders or 5–20% in granular blends, with adjustments based on specific weed pressure and crop registration data.

    Downstream process integration

    • Blending of technical grade in jacketed mixing tanks followed by wet milling, granulation, or encapsulation, then quality control for uniformity and residue content before packaging for end-users.

    Final product types

    • Pre-emergent herbicidal wettable powders
    • Emulsifiable concentrates for spray application
    • Granular herbicide products for soil incorporation

    2. Integrated Pest Management for Tree Fruit Production

    Orchard supply chain companies incorporate Napropamide-based herbicide blends into integrated pest management (IPM) programs for pome and stone fruit production. These products undergo formulation to ensure selective activity and environmental compatibility, balancing label rates with crop safety data. The manufacturing focus includes controlled microencapsulation and granule size standardization for precision field application systems that minimize leaching and drift.

    Industry compliance standards

    • GlobalG.A.P. Integrated Farm Assurance Standard
    • Japan MAFF Positive List System for Agricultural Chemical Residues
    • Environmental Protection Agency (EPA) Worker Protection Standard (WPS)
    • Canadian PMRA Registration and MRL Guidance

    Typical usage ratio

    • Product blends typically contain 10–12% Napropamide (by weight) in granulated IPM formulations. Adjustments depend on orchard soil types and weed population dynamics, with maximum safe concentration governed by label and regulatory MRLs.

    Downstream process integration

    • Incorporation during micro-granulation and polymer coating steps, ensuring distribution consistency and release profile. Routine in-process controls verify AI content and particle uniformity before batch QA release.

    Final product types

    • Coated granular herbicide blends for orchard row application
    • Ready-to-use IPM herbicide packets for large-scale orchards

    3. Industrial Nursery and Ornamental Plant Production

    Commercial greenhouse and outdoor ornamental plant producers require specific pre-emergent weed management solutions formulated for container-grown nursery stock. Here, Napropamide integrates into carrier-based blends with precise particle size and dust suppression features, manufactured to facilitate ease of dosing and compatibility with a wide rhizosphere environment of flowering and foliage plant varieties.

    Industry compliance standards

    • United States Department of Agriculture (USDA) Nursery Stock Certification Standards
    • European Union Council Directive 2008/90/EC for Plant Reproductive Material
    • California Department of Food & Agriculture Nursery Inspection Protocols
    • Local Good Manufacturing Practice (GMP) for Plant Protection Products

    Typical usage ratio

    • Commercial products formulated at 2–8% Napropamide by weight, with precise adjustments to account for potting media type, irrigation regime, and ornamental species tolerance data from label registrations.

    Downstream process integration

    • Dry blending with organic or mineral carriers, anti-drift additive incorporation, and sequential granule coating, followed by sifting and metal detection as part of final quality steps.

    Final product types

    • Pre-weighed granular nursery herbicide packets
    • Dust-reduced soil-incorporation blends for container media
    • Professional horticultural pre-emergent granules

    4. Vegetable Crop Production Supply

    Vegetable crop input manufacturers utilize Napropamide in specialized herbicidal inputs for transplanted tomatoes, peppers, beans, and other select crops. Formulations target specific crop growth stages and weed susceptibility profiles, considering climatic differences and rotational crop plans. Production batches for this sector must align with global MRL guidance, emphasizing batch traceability and multi-residue analysis validation before market release.

    Industry compliance standards

    • Codex Alimentarius MRL Database for Pesticide Residues
    • USDA National Organic Program (NOP) Exclusion Lists (regulatory threshold assessment)
    • European Food Safety Authority (EFSA) risk assessment protocols
    • Australia APVMA Agricultural Chemical Registration

    Typical usage ratio

    • Formulated products carry active content between 3–6% for soil incorporation use in vegetable fields, with precise application calibrated by weed species and vegetable crop sensitivity trial data.

    Downstream process integration

    • Introduction to aqueous suspension concentrate or granular blends during wet blending and granule size stabilization, followed by compatibility and shelf-life verification before packing.

    Final product types

    • Soil-applied pre-emergent herbicides for vegetable row crops
    • Shelf-stable suspension herbicide concentrates
    • Pre-formulated granular soil treatments for commercial vegetable farmers

    5. Professional Turf and Golf Course Management

    Manufacturers serving turf management sectors supply Napropamide-based herbicide formulations for early season weed suppression on golf courses, parks, and athletic fields. Products must demonstrate compatibility with cool and warm season turfgrasses, with strict adherence to industry residue and runoff control standards. Formulated granules require dust mitigation and batch stability to support professional application over large treated areas.

    Industry compliance standards

    • EPA FIFRA Guidelines (USA) for Turf Use
    • Golf Course Superintendents Association of America BMPs
    • Australian Pesticides and Veterinary Medicines Authority (APVMA) Turf Registration
    • State-specific Groundwater Protection Regulations (e.g. California DPR)

    Typical usage ratio

    • Granular turf herbicide products contain 4–10% active ingredient per weight, adjusted by desired residual activity and turf species tolerance verified in local field trials.

    Downstream process integration

    • Incorporated during granule impregnation or post-blend granule coating, with in-process HPLC verification of content and field-leach simulation before market release.

    Final product types

    • Coated or impregnated granular herbicides for broadcast over turf surfaces
    • Bagged pre-emergent blends for golf courses and sport fields
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    Certification & Compliance
    More Introduction

    Napropamide: Purposeful Solutions Backed by Experience

    Our Direct Involvement in Manufacturing Napropamide

    Producing Napropamide is not just a technical operation—it’s a balance of precise chemistry and down-to-earth agricultural know-how. Here on our manufacturing floor, each batch runs through tight quality controls, and every drum sent out the door reflects years spent listening to the needs of farmers and application specialists. Our process selects high-quality raw materials and runs under close supervision, so we consistently deliver a herbicide that growers can trust. Our Napropamide technical grade follows the 98% active material model, which works well for further formulation or specialized use on large farms. We also run production lines dedicated to making 50% wettable powder (WP), supplying clients who need flexible application in vegetable crops and orchards.

    Understanding What Sets Napropamide Apart

    Napropamide has been around for decades in weed control, but not all formulations work alike in the field. What we’ve seen—season after season with direct soil contact and changing climate—is that Napropamide holds its ground thanks to its root-specific weed action. Once worked into the soil, it blocks root growth of small-seeded annual grasses and broadleaf weeds. The weeds never get a chance to grab hold, but the main crop can push through the top layers of treated soil without trouble. Our formulation brings out this selectivity, allowing growers to apply early and keep sprayers off the rows for weeks at a time.

    Unlike some pre-emergent herbicides that spike residues or drift, our Napropamide remains stable and breaks down gradually depending on soil moisture and temperature. In cool conditions or regions prone to leaching, we educate our customers to adjust application rates or timing. We don’t hide from field realities: low soil organic matter, variable rainfall, and farm-specific challenges mean application can’t be a one-size-fits-all recipe. We share trial data and observations gathered near our plant and in partnership with growers, so advice comes from real-world cases instead of assumptions.

    Our Commitment to Sustainable, Measured Manufacturing

    Sustainability never means shortcuts in our plant. Recycling solvents, minimizing water discharge, and containing dust emissions form the backbone of our daily routine. As both a manufacturer and a neighbor to working farmland, we keep environmental responsibility at the heart of every process. Any waste streams from our Napropamide production receive on-site pre-treatment before leaving our gates. Regular third-party audits and transparent logs ensure documentation matches practice; we welcome scrutiny from regulatory agents and client partners.

    On the safety front, our teams receive ongoing chemical handling and exposure awareness training, well past compliance checklists. We conduct internal mock audits and field feedback reviews, so any concern gets addressed swiftly. From equipment handling to delivery, we keep the handling straightforward—reducing mishaps and protecting the people who work with the product each day.

    Choosing Napropamide in Today’s Crop Rotations

    Crops surrounding our plant include vegetables, fruit trees, and even specialty herbs. The farmers in this region choose Napropamide because of its compatibility with systems that rotate between high-value crops. Tomato growers, for example, want ground cover preserved in the earliest season to hold moisture yet eliminate invasive annuals that compete early. Carrot and onion growers watch for resistance build-up, so they often mix Napropamide with contact herbicides or mechanical practices. We spend time tracking tank-mix issues with other pre-emergent products our clients use, reporting any antagonisms or unexpected outcomes directly so costly mistakes are avoided on the ground.

    In deep root systems such as grapevines or fruit trees, soil-applied Napropamide forms a chemical barrier. Trees continue thriving while annual weeds wilt before emergence—a model that checks out in our repeated comparison trials with many local fruit packers. By sticking close to the source, our teams gather more than laboratory data; we see which application schedules and water volumes translate to fewer retreatments and lower overall input cost per hectare.

    Key Specifications—Born from Our Own Production Lines

    Over the years, we built our lines to address most commercial farm needs: bulk technical powder for manufacturers and finished wettable powder for farm direct sale. The technical grade hits above 98% Napropamide, with shelf stability and convenient handling properties. Our 50% WP blends smoothly into water, with an average particle size distribution that reduces nozzle clogging and slipstream issues in automated sprayers. Demand for lower dust content keeps us upgrading our milling equipment. Clients who have switched from older or imported Napropamide often tell us they notice cleaner mixing, less sludge in tanks, and longer suspension. We invite visitors to watch our lab stability tests, which we run on every production lot, not just the required samples.

    Some users require custom particle sizing, especially for small holding tanks or banded application on raised beds. We offer a custom mill run service for larger contracts, documented with analytical results and side-by-side test plots to prove performance differences. Unlike imported cargo, delays between our plant and end-user fields stay minimal, keeping the warehouse chain short and feedback immediate.

    Differences from Other Pre-Emergent Herbicides

    Comparing Napropamide with other herbicides on today's market, we can point to several specific features. Many herbicides in the pre-emergent segment work through foliar application or require post-emergence weed contact. Napropamide targets weed root growth beneath the soil surface. This fits well with no-till and minimum-till systems, and it does not cause phytotoxicity symptoms in most temperate vegetables even with variable spring weather. Chlorotoluron or metolachlor, by contrast, introduce different residue persistence and can stress sensitive crop species under stress. Napropamide works best in sandy loam and organic-rich soils, but application across clay and heavy silt remains common in our home region.

    A point often missed is how Napropamide affects weed seed banks differently. Its active window sits longer than some competitors, and proper incorporation can control flushes of weeds that sprout several weeks after planting. For growers managing resistance, Napropamide provides a different molecular pathway compared to the triazine class or sulfonylureas, breaking up weed cycles and delaying local resistance adaptation—especially crucial in high-intensity cropping cycles.

    Some pre-emergent products demand expensive adjuvants or complex handling systems. Ours delivers a straightforward approach: reliable dose-response in a range of field conditions. With Napropamide, farm teams report less need for follow-up mechanical cultivation or rescue sprays. The economics work out for both large-scale operators and smaller growers who can’t afford to re-treat fields mid-season.

    Shaping Farm Practice Through Shared Knowledge

    Many of the farmers using our Napropamide stop by the plant for feedback, and these conversations shape the way we refine our process. Issues like runoff, unexpected soil residue, or weed escape patterns become topics at our quarterly review sessions. We encourage formal trials in local fields and welcome independent university validation—it’s a constant loop of practice feeding science and science improving practice. Our technical team fields calls about rainfall timing, seedbed conditions, and compatibility with wet or dry fertilizer blends, sharing field observations that move beyond the standard instruction leaflets.

    Crop consultants working with our product often look for tailored solutions for crops as varied as lettuce, peppers, and perennial herbs. With Napropamide’s selectivity, these consultants maintain strong weed control while rotating into more sensitive crops without replanting delays. We make no promises about miracle outcomes, but we do rely on what we observe and measure: smart application, sound soil stewardship, and on-the-ground troubleshooting.

    Adapting to Changing Regulations and Market Demands

    Herbicide regulations keep evolving, and as a manufacturer, we respond by offering batch-specific traceability and rapid response to regulatory shifts. Local guideline changes sometimes require re-registration or updated application intervals. We keep trace samples and production records for each lot, ready for review by authorities or client quality teams. The shift towards residue-conscious export markets shaped how we approach product stewardship: our analytical labs constantly update residue detection capabilities, and we openly discuss detection rates and application intervals with field managers so they can plan harvest with confidence.

    Market demands for lower residue profiles led to us refining our active ingredient content and tightening impurity specifications below global minimums. Trace organic byproduct content sits far below concern thresholds, and storage stability checks run well into the second year for WP formulations. This matters for exporters and growers moving produce across borders, where rapid residue screening is now routine.

    Putting Customer Experience at the Forefront

    Feedback from our customers often centers on handling and field performance. Slurry compatibility, settlement in sprayers, and tank-wash residue—these are the details that matter in practice. We supply advice for different irrigation setups and support teams with printed and digital field guides in the local language. No one gets off-the-shelf support; each farm’s context shapes how we recommend application intervals, tank-mix partners, and safety measures during workload peaks.

    Shipping direct from our plant to customer depots means we learn early about logistics hiccups, container integrity, and changes in demand related to weather or input costs. We arrange for quick turnaround on larger orders and help field managers track usage rates for future planning. Technical support continues after delivery: we keep in touch about in-field results, follow up on weed escape incidents, and provide transparent documentation on every delivery batch.

    Investing in the Future of Napropamide: Ongoing Research and Innovation

    Research teams in our facility invest in refining Napropamide’s profile: focusing on persistence, compatibility with biostimulants, and behavior under new irrigation technologies. We test improved dispersant systems to handle tougher water conditions, anticipating future demand as climate changes reshape local agriculture. Our ties with field operators mean pilot programs run side by side with standard production, not as a distant research exercise. This approach lets us adjust quickly, minimizing downtime and integrating worthy innovations into production runs.

    We’re also looking at new packaging—smaller dose pouches, high-barrier drums for export markets, and certified recyclable containers—responding to the wider push for lower environmental impact in crop inputs. We work with suppliers to streamline procurement and match customer needs with manufacturing runs. None of these improvements happen in isolation; we consult with our core growers and supply chain partners every step of the way to avoid disrupting farm operations.

    Recognizing Napropamide’s Place in Integrated Weed Management

    Herbicide programs now fit within larger integrated weed management systems. As more farms adopt precision applicators and adopt biologically-based inputs, Napropamide still has a clear role. Its soil block action bridges the gap between soil prep and crop establishment, reducing the need for broad-spectrum rescue sprays later in the cycle. We collaborate with biological input suppliers to test Napropamide alongside compost teas, mycorrhizal inoculants, and drip irrigation, giving honest feedback about compatibility or problems to avoid.

    At our facility, the conversation doesn’t end once a shipment leaves. We believe the real measure of a product lies in satisfied growers, clean fields, and predictable results year in and year out. We regularly host field days and invite researchers, regulators, and customers to see side-by-side comparisons. The talk on our plant floor and in neighboring fields keeps us alert to changing weed spectra, local weather extremes, and the new challenges that come each season.

    Local Relationships and Global Reach

    Manufacturing at scale puts us in touch with both local farmers and large international buyers. Each has different expectations, and we work to ensure traceability, consistent quality, and open communication regardless of order size. By staying close to our community, we can respond to unexpected shifts in demand. At the same time, exporting to international partners demands strict adherence to evolving residue and traceability requirements. We alternate between boots-in-the-field practicality and compliance-driven documentation—each side informing the other, all rooted in our own production floors.

    Global trade brings complexity. We navigate it by remaining transparent about our manufacturing inputs, timelines, and technical support boundaries. End-users in distant markets rely on our prompt documentation, up-to-date regulatory certifications, and the ability to answer specific technical questions about product performance in their environments. Our technical service representatives not only ship the product but troubleshoot with distributors facing local climates and weed pressures very different from our own.

    Built on Trust, Grounded in Proof

    If one thing sets Napropamide apart in our experience, it’s the foundation of practical trust. Growers and field advisers rely on what works, not on abstract claims. We provide them with batch data, field notes, and—when asked—samples for side-by-side comparison. Every new label, every change in input, starts with pilot trials—not only under ideal conditions but in the challenging fields that test the limits of any product.

    Working as direct manufacturers, not just sellers, let us see exactly how every tweak in process and quality translates to results in the field. We listen for reports of soil structure issues, shifts in weed populations, and new challenges raised by market trends. Our lines remain flexible, so if a promising farm trial reveals a way to reduce dust, cut down residue, or improve handling, those learnings shape the next batch-produced.

    This transparency leads to a long-standing partnership with the growers, advisers, and commercial crop operations who trust Napropamide. In the end, it’s their honest feedback, delivered straight and unpolished, that keeps our product and our team growing alongside the changing demands of agriculture.