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Propaquizafop

    • Product Name Propaquizafop
    • Alias AG-Prop
    • Einecs 421-450-2
    • 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

    533899

    common_name Propaquizafop
    chemical_formula C22H22F3N3O4
    iupac_name 2-[4-(6-chloroquinoxalin-2-yloxy)phenoxy]propionic acid
    cas_number 111479-05-1
    molecular_weight 449.43 g/mol
    appearance White to yellowish crystalline solid
    usage Herbicide
    mode_of_action Inhibits acetyl-CoA carboxylase (ACCase)
    target_pests Grassy weeds
    solubility_in_water 0.29 mg/L (at 20°C)

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

    Packing & Storage
    Packing The packaging for Propaquizafop features a 1-liter white plastic bottle with a secure cap, safety labeling, and detailed usage instructions.
    Shipping Propaquizafop is shipped as a hazardous chemical and must be transported in tightly sealed, properly labeled containers, protected from moisture and direct sunlight. It should be handled by trained personnel, following all relevant regulations for flammable and toxic substances, with documentation indicating its chemical identity and hazard classification according to international standards.
    Storage Propaquizafop should be stored in a cool, dry, well-ventilated area away from sunlight and sources of heat or ignition. Keep the container tightly closed and properly labeled. Store away from food, feed, and incompatible substances such as strong oxidizers. Ensure the storage area is secure and accessible only to authorized personnel. Follow local regulations for chemical storage and handling.
    Application of Propaquizafop

    Applications of Propaquizafop in Industrial Manufacturing

    As a specialist manufacturer of propaquizafop, we support major agrochemical and seed production sectors by supplying material that meets international quality and regulatory benchmarks, contributing to efficient and compliant downstream processes.

    1. Post-Emergence Grass Weed Control in Soybean Crop Protection

    Agrochemical formulators leverage propaquizafop in post-emergent herbicide solutions targeting grass weed resistance in soybean cultivation. Its selective inhibition of acetyl-CoA carboxylase allows efficient grass control without harming broadleaf crops. This integration into suspension concentrate or emulsifiable concentrate formats is standard in regions with heavy monocot infestation, where rotational cropping is widely practiced.

    Industry compliance standards

    • FAO/WHO Specification for Propaquizafop (2021)
    • EPA Registration Standards (United States, 40 CFR Part 180.495)
    • China GB 2763-2021 Maximum Residue Limits for Pesticides in Food
    • EU Regulation (EC) No 1107/2009 for Plant Protection Products

    Typical usage ratio

    • Concentration in formulated product: 5–10% w/w, adjusted by target weed spectrum and local resistance data
    • Field application rate: 50–120 g active ingredient per hectare, set by label and crop stage

    Downstream process integration

    • Formulate into EC or SC using non-ionic surfactants, solvents, and antifoaming agents after technical grading
    • Quality control for particle size (<5 μm in SC), emulsion stability, and CLP/OSHA-compliant labelling

    Final product types

    • Herbicide SC (Suspension Concentrate) for professional agricultural use
    • Herbicide EC (Emulsifiable Concentrate) for broadacre row crops
    • Ready-to-use post-emergent spray packs for soybean agriculture

    2. Grass Weed Management in Cotton Production

    Industrial pesticide formulators employ propaquizafop in specialized cotton field herbicides to efficiently suppress volunteer cereals and aggressive monocots during early to mid-season. Its rapid action and selective uptake allow tank-mixing with insecticide packages for integrated pest management protocols in large-scale cotton plantations.

    Industry compliance standards

    • India Insecticides Act 1968, Central Insecticides Board Registration
    • US EPA Regulation 40 CFR Part 180.495 (Cotton tolerances established)
    • OECD Guidelines for Testing of Chemicals, relevant acute toxicity and eco-tox modules
    • Brazil ANVISA Resolution RDC 294/2019 on Maximum Residue Levels

    Typical usage ratio

    • 4–8% w/w in formulated concentrate, rationalized depending on seasonal weed pressure
    • Field dosage: 50-100 g a.i./ha, with variation based on cotton variety tolerance studies

    Downstream process integration

    • Grinding technical material in bead mills, addition of emulsifiers, and QC testing for photostability and pH in EC/SC blends
    • Packing into bulk drums or small containers suitable for mechanized farm deployment

    Final product types

    • Pre-mix concentrates for aerial spraying in cotton cultivation
    • Packaged tank-mix adjuvant herbicide solutions for commercial farms
    • Labeled post-emergent grass weed herbicides with cotton-specific use instructions

    3. Selective Weed Management in Canola and Oilseed Rape Systems

    Downstream pesticide manufacturers incorporate propaquizafop into selective weed control solutions for canola and related Brassica crops, where crop safety and grass weed spectrum targeting are crucial. Production processes emphasize formulation compatibility with canola tank-mix partners, minimizing phytotoxicity while optimizing application scheduling for European and North American farming conditions.

    Industry compliance standards

    • European Union Regulation (EC) 396/2005: Maximum Residue Levels in Oilseeds
    • Canada PMRA Registration Guidance (Propaquizafop MRLs for Canola)
    • Australia APVMA label approvals, including crop safety and residue interval data
    • BASF and Syngenta internal QC guidelines for co-formulation compatibility

    Typical usage ratio

    • 5–7% w/w in commercial SC/EC formulations, optimized for spray volume and oil content in finished seed
    • Field rate: 60–125 g a.i./ha, modified following north-south latitude weed species shifts

    Downstream process integration

    • Dissolve and homogenize in plant-derived solvent blends to improve canola crop safety, followed by stability, sedimentation, and viscosity screening in ambient and cold-chain storage
    • Sub-batch sampling for tank-mix compatibility with fungicides and micronutrients

    Final product types

    • Registered canola-specific grass herbicide products (EC/SC)
    • Multi-functional tank-mix ready grass control products for rapeseed farming
    • Precision farmer-pack herbicides with application compatibility labeling

    4. Pre-Harvest Desiccant and Grass Control in Sunflower Processing Chains

    In sunflower agriculture, propaquizafop-based formulations assist downstream producers in managing late-stage annual and perennial grasses without affecting oil yield or seed quality prior to harvest. Formulators provide tailored blends that maximize timing flexibility for desiccation schedules, crucial for high-throughput sunflower seed and oil extraction operations.

    Industry compliance standards

    • Codex Alimentarius CXS 210-1999 (Sunflower Seed Standards)
    • Russian GOST 1129-2013 (Sunflower Oil Requirements)
    • Ukraine DSTU 4694:2006 (Maximum Residue Level for Plant Protection in Edible Oilseeds)
    • International Seed Testing Association (ISTA) protocols for post-treatment germination

    Typical usage ratio

    • 6–9% w/w in SC or EW (emulsion in water) product forms, adjusted according to harvest interval and climatic drying rates
    • Applied at 80–130 g a.i./ha pre-harvest, based on seed moisture content and field infestation level

    Downstream process integration

    • Blending with low-residue emulsifiers and water-compatibilizers, filtered and tested for rapid leaf uptake and rainfastness prior to and after bulk packaging
    • Application window timed to oilseed maturity, with post-application interval managed under quality assurance protocols

    Final product types

    • Pre-harvest desiccant herbicides for sunflower seed contracting operations
    • Commercial grass weed control concentrates for sunflower clusters
    • Custom-labelled sunflower-focused herbicide mixtures for European and Black Sea export

    5. Integrated Grass Weed Solutions in Sugar Beet Processing Supply Chains

    Large-scale sugar beet farming requires precisely targeted post-emergence grass weed suppression to maintain sugar content and root mass. Downstream preparation of propaquizafop blends includes specific adjuvant and safener selection, aligned with beet crop physiology and harvest logistics, and tested for minimal impact on sugar extraction quality parameters.

    Industry compliance standards

    • JECFA (FAO/WHO) - Pesticide Residue Specifications for Sugar Production
    • European Union Regulation (EU) 2019/552 (Sugar Beet MRLs)
    • United States EPA tolerances for sugar beet (40 CFR Part 180.495)
    • Suedzucker and Tereos processing protocols for pesticide input certification

    Typical usage ratio

    • 5–8% w/w in EC/SC formulations, algorithmically tuned for field monitoring data on grass species burden
    • Application rates from 60–110 g a.i./ha, set by regional crop consultant and residue retention test results

    Downstream process integration

    • Inclusion in post-emergence spray formulations during technical material dilution and filtration, followed by batch QC for root and pulp residue compliance
    • Filling and labelling for sale to integrated sugar cooperatives and contract growers

    Final product types

    • Post-emergence grass herbicides for sugar beet cultivation
    • Sugar beet-focused weed management solutions (EC/SC)
    • Certified contract-farming herbicide packs for sugar supply chain programs

    6. Selective Weed Suppression in Non-Crop Industrials: Railway and Infrastructure Vegetation Management

    Industrial vegetation management teams in the infrastructure sector utilize propaquizafop-based herbicide products for sensitive railroad, highway verge, and utility corridor weed suppression. Here, product design prioritizes grass selectivity and minimum drift, with emphasis on operator safety and regulatory monitoring for off-target residue control.

    Industry compliance standards

    • EN ISO 9001:2015 (Manufacturing & Application Quality)
    • EU Regulation (EC) No 1107/2009 for non-food public use herbicides
    • UK HSE COPR 1986 (Control of Pesticides Regulations)
    • United States DOT environmental residue and drift regulations

    Typical usage ratio

    • 8–12% w/w in professional EC formulations for high-flow rail and infrastructure application
    • Spot or banded spray: 100–150 g a.i./ha (higher end for perennials in ballast or right-of-way zones)

    Downstream process integration

    • Integration into anti-drift and low-volatility solution bases, with specialized surfactants and UV stabilizers during batch blending for field operator safety and environmental risk minimization
    • Large-container filling and QC validation for robust application equipment compatibility

    Final product types

    • Railway-specific grass weed herbicide concentrates
    • Vegetation blockers for highway and public utility rights-of-way
    • Municipal approved herbicide for targeted non-crop application
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    Certification & Compliance
    More Introduction

    Propaquizafop: The Practical Choice for Grass Weed Control

    Our Direct Perspective on Propaquizafop

    Working every day as a manufacturer in the field of agrochemicals, we see popular herbicide trends shift with new regulatory updates, performance data, and direct farmer feedback. Propaquizafop has taken a central role among post-emergence graminicides for selective grass weed management. This isn’t just talk from distributors or traders. We monitor each batch we produce and witness how end-users focus on results in the field, not just on-paper promises. The choices we make on ingredient quality, formulation type, and packaging—these details matter, and we have learned by listening and watching closely over decades of hands-on production.

    Understanding What Propaquizafop Does

    Propaquizafop targets annual and perennial grass weeds in broadleaf crops including soybeans, cotton, oilseed rape, peanut, and various vegetable plots. Every year when we work with new client feedback, farmers highlight the improvement in crop stand and overall vigor where hard-to-control grasses like Echinochloa crus-galli (barnyardgrass), Digitaria sanguinalis (large crabgrass), or Setaria spp. once choked out yield. It’s not just about the label claim—field performance gets tested in real-world conditions where weather, spray quality, and weed pressure can all change outcomes.

    We supply Propaquizafop primarily as a 10% EC (Emulsifiable Concentrate) and a 5% ME (Microemulsion), both focused on ease of mixing and good crop safety profiles. Most users want convenience at the tank—the less time fighting emulsification or compatibility issues, the quicker they move across acres, keeping costs sensible. We’ve found the 10% EC format balances active content for both smallholders and larger commercial applicators, meaning efficient storage and transport on top of performance consistency. The 5% ME brings a refinement tailored to situations where drift management and reduced solvent odor matter, which comes up more often when operators spray close to sensitive non-target areas.

    Why Propaquizafop Stands Out on Weedy Fields

    Propaquizafop belongs to the aryloxyphenoxypropionate group, sharing chemical lineage with fenoxaprop, quizalofop, and fluazifop. Most customers come to us after trying standard alternatives like quizalofop-ethyl or clethodim. They point to price differences, weed spectrum shifts, and sometimes resistant weed escapes that drive them to pick something new. We notice that Propaquizafop controls major grass weeds but tends to show less crop phytotoxicity in sensitive crops such as soybeans and peanuts compared to fenoxaprop or quizalofop, especially under stress conditions.

    We have witnessed Propaquizafop’s speed work in more temperate climates: visible yellowing and necrosis on susceptible grasses can start as early as five to seven days after treatment in warm, actively growing conditions. This relatively prompt action means greater confidence for growers concerned about secondary flushes or competitive weed resurgence. In regions where rain is unpredictable and grass weeds grow rapidly, this quick symptom appearance reassures users they haven’t lost a spray window or wasted a trip.

    Beyond generic claims, we track residue data, crop rotation flexibility, and implications on subsequent planting. Propaquizafop, with moderate soil half-life, gives flexibility for double-cropping and supports environmentally conscious choices by ensuring minimal carryover. Regulatory trends across Asia, South America, and Africa often push scrutiny on residue limits and off-target activity. Based on annual regulatory audits, Propaquizafop’s residue results align well with international standards, easing shipment and export stress for multi-national growers.

    Field Results: Learning Directly from Our Production Experience

    We receive regular updates not only from large commercial contract farms but also smallholder groups who rely on practical solutions rather than textbook recommendations. One lesson that stands out—application timing determines performance more than brand names. Early post-emergence, when grasses are still young, maximizes Propaquizafop’s impact. We always communicate that manufacturers’ labeled doses stem from applied fieldwork, not just laboratory studies, and optimal results demand keeping weeds at 2–4 leaf stages for most control situations.

    Admixture performance also demonstrates an advantage. Since Propaquizafop targets grasses and not broadleaves, users often combine it with herbicides against dicot weeds—such as bentazone, acifluorfen, or glyphosate (in non-selective burn-downs). We carefully design our EC and ME formulations to avoid antagonism; past issues with precipitation or mixing failures with certain tank-mix partners have prompted us to refine surfactant choices and solvent loads over the years. We select adjuvants that keep both efficacy and physical stability intact across different pH levels and water qualities.

    The issue of resistance inevitably comes up—overreliance on ACCase inhibitors (the group Propaquizafop belongs to) can encourage resistance in high-pressure zones with long-term monoculture. As manufacturers, we stress to every major customer that rotation with other mode-of-action groups is essential. We offer technical bulletins, field training, and customized rotational schemes to reduce the odds of resistance build-up. In more than one region, proactive stewardship secures our relationships far better than short-term sales surges ever would.

    Comparing Propaquizafop to Other Options

    Time and again, we get questions about real differences among grass herbicides. Quizalofop and fenoxaprop stand out as alternatives, but they often raise crop tolerance questions. In oilseed rape and legumes, Propaquizafop’s formulation design reduces the number of visible phytotoxicity symptoms at field doses, especially in drier weather. Clethodim still claims popularity in some rotation settings for resistant barnyard grass, but it brings slower visual symptoms and sometimes needs higher doses. Bigger-farmed operations care about spray intervals—Propaquizafop allows a return to field activity sooner, and our ME version supports this by reducing visible spray residues on leaves so monitoring crews can re-enter safely.

    On the manufacturing side, we push for consistently high purity active ingredient. Each batch goes through repeated checks for isomer content and absence of by-products. Propaquizafop may cost a touch more in synthesis due to these quality controls, but feedback shows growers willing to bear slightly higher input costs for predictable season-long performance. As with most competitive markets, price sensitivity stays high, but repeat business comes from reliability, not just initial offers.

    Propaquizafop and the Broader Market Trend

    Every year, regulatory standards climb higher. Strict residue monitoring, minimal environmental runoff, and safe packaging rule new market approvals. As manufacturers, we do not take labs or regulatory bodies as obstacles—they shape the kind of business that lasts. Propaquizafop’s profile fits the evolving demand for low-dose products that reduce total chemical load per hectare while maintaining robust weed control. This aligns with international food supply chain requirements and domestic food safety programs.

    In parallel to stewardship, we collaborate with applicator education, teaching real-world spraying techniques that use the least effective dose, minimize drift, and match spray volumes to equipment ability. This makes the difference on high-wind days or in hilly terrain where uniform delivery drops. Our technical support teams frequently visit cooperatives and individual farms, reviewing mixing protocols, nozzle selection, and periodic calibration to ensure Propaquizafop works as designed. Production floors receive data from these field observations—findings inform recalibration of surfactants, solvent percentages, and even minor packaging redesigns to fit local transportation habits.

    Technical Challenges and Manufacturer Responses

    A key question is always about environmental impact. We invest directly in improved wastewater systems on-site and utilize waste minimization practices to reduce raw material leftovers. Solvent recovery remains a focus—since EC and ME formulations both use organics, we rely on modern separation technology and closed-loop processes to drop emissions and save costs. Compared to older production models for similar products, these upgrades lower both our regulatory risks and carbon footprint, which is increasingly important to large buyers with sustainability targets.

    Worker safety deserves more attention than industry reputation suggests. Our teams train extensively on handling organophosphorus intermediates and final product packaging. As more customers shift to bulk formats or request returnable containers, packaging safety and logistics become as mission-critical as the molecule itself. Every container batch receives pressure and leak tests. Finished products include tamper-evident features in line with best practices, both for user confidence and compliance with tight supply chain controls.

    From Our Line to Your Fields: Practical Use Cases

    Talking to agronomists and seeing product test plots side by side drives home the core difference Propaquizafop offers: clear, practical grass control. In light, sandy soils where rapid leaching can reduce some herbicide retention, Propaquizafop’s foliar uptake mechanism means less dependence on soil moisture, though proper leaf coverage remains key. Across heavy clay fields, tank-mixing partners often handle accompanying broadleaves while Propaquizafop keeps grass populations in check, leading to easier harvesting and better grain sampling at season’s end.

    We don’t ignore tough cases—fields with multiple flushes of wild oats or ryegrass that escape early treatments, or zones with compaction and waterlogging that limit uptake. By working directly with research plots, we have seen clear cases where correct spray volume, timely repeat applications, or surfactant tweaks recover lost ground. Because we manufacture in-house, quick adjustments to formulation batches for large-volume customers happen without outside negotiations or supply chain delays.

    What Farmers Say and What We See

    Feedback matters. Most stories from the field are about consistency, not miracles. Growers notice improvement in harvest ease and a drop in late-season grass escapes after shifting to Propaquizafop from older generation products. Less time spent on repeat weed flushes means focus can return to fertilizer timing, insect pressure, or irrigation schedules. Extension advisers have pointed out how our ME formulation, in particular, lets crews spray closer to harvest with less odor reporting or visible residue, meeting both export and food safety protocols.

    We learn as much from missed results as from glowing reviews. Farmers have flagged issues with some generic imports (foaming, plugging, uneven performance under varying water quality). Each of these pushes us to double-check supply consistency and formulation adaption. Evidence from side-by-side trials consistently shows our technical choices result in less foaming, cleaner application, and smoother tank mixes, which reduces costly downtime for busy operators during peak windows.

    Solutions for Modern Weed Management

    Moving forward, resistance management dominates every grower meeting and distributor conference. We focus ongoing research on formulation blending—pre-mix products that combine Propaquizafop with other modes of action, seeking both convenience and built-in resistance hurdles. R&D personnel actively test new adjuvant systems for more reliable control under marginal conditions. Each improvement gets practical benchmarking—control plots, not just lab assays, before it appears on our product lines or recommended protocols.

    Seasonality brings forecasting challenges. Our manufacturing lines maintain modularity, allowing us to shift production runs based on global demand swings—a strategy learned through experience, not just planning. For southern users managing two or three cropping cycles per year, quick shipment of fresh stock with extended shelf life can make or break planting targets. Tight sourcing of starting materials means less dependency on global supply chain shocks, and product reliability even in seasons of lowest material availability.

    Looking Ahead: Propaquizafop in Tomorrow’s Agriculture

    Sustainability drives every new development. We integrate closed system filling, upgraded local solvent recycling, and advanced worker air quality monitors for safer, cleaner process rooms. Investments in on-site analytical labs mean each batch of Propaquizafop reaches purity benchmarks ahead of standard commercial thresholds, supporting export shipments that have zero tolerance for off-label residues. There’s no separation between frontline operator safety and consumer protection—each feeds into trust for every level of the supply chain.

    As regulation and customer preference shift, we remain committed to transparency and quick adaptation. Honest, field-tested support backed by direct manufacturer’s accountability gives each batch of Propaquizafop a purpose beyond just another drum on a pallet. Customers look for quality, and we deliver it based on grounded, lived manufacturing practice rather than distant speculation or repeat phrasing.

    Our direct field teams, input from spray operators, and dedicated production staff feed ongoing cycles of technical improvement. We design with the mindset of end-users—balancing cost, ease of use, safety, and matching regional regulatory systems. This synergy grows Propaquizafop’s reputation as a tool built on experience, responsively manufactured, and grounded in the working reality of commercial agriculture.