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Naftalofos

    • Product Name Naftalofos
    • Alias BAY 13-2179
    • Einecs 221-615-7
    • 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

    623193

    Chemical Name Naftalofos
    Cas Number 3735-23-7
    Molecular Formula C12H12NO4PS
    Molecular Weight 297.28 g/mol
    Appearance Yellow crystalline solid
    Solubility In Water Slightly soluble
    Primary Use Anthelmintic (deworming agent) for livestock
    Melting Point 77-78°C
    Toxicity Moderately toxic
    Mechanism Of Action Inhibits cholinesterase activity
    Stability Stable under normal temperatures and pressures
    Storage Conditions Store in a cool, dry place
    Trade Names Santel, Locostop
    Route Of Administration Oral
    Regulatory Status Veterinary use only

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

    Packing & Storage
    Packing The Naftalofos packaging is a sturdy 1 kg white plastic container, featuring safety instructions, hazard symbols, and product details in bold lettering.
    Shipping Naftalofos should be shipped in tightly sealed, correctly labeled containers, protected from moisture and direct sunlight. Transport as a hazardous chemical, following all local, national, and international regulations concerning toxic substances. Ensure availability of safety data sheets and use appropriate hazard labels during shipping. Avoid contact with food and animal feed.
    Storage Naftalofos should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances such as strong oxidizers. It must be kept away from sources of ignition and moisture. Access should be restricted to authorized personnel, and the storage area should be clearly labeled and secure to prevent accidental exposure or environmental contamination.
    Application of Naftalofos

    Applications of Naftalofos in Industrial Manufacturing

    Our Naftalofos is formulated to meet the rigorous needs of key agricultural and animal health sectors, where antiparasitic agents are required for targeted parasite control in livestock production. Below, we outline primary downstream usage scenarios, providing detailed application data for integrators, veterinary pharmaceutical producers, and premix feed manufacturers.

    1. Veterinary Anthelmintic Premixes for Ruminant Feed

    Major feed manufacturers integrate our Naftalofos as a targeted anthelmintic agent to combat nematode and trematode infestations in cattle and sheep. The additive helps reduce parasite load directly via medicated feeds, ensuring flock health and minimizing productivity losses during endemic periods. Our production and QC teams monitor every batch to align with local regulatory maxima and residue control requirements demanded by multinational customers operating under stringent market standards.

    Industry compliance standards

    • European Union Directive 2001/82/EC (Community code relating to veterinary medicinal products)
    • US FDA 21 CFR Part 558 (New Animal Drugs for Use in Animal Feeds)
    • China Veterinary Pharmacopoeia (Naftalofos monograph)
    • GMP+ Feed Safety Assurance Scheme

    Typical usage ratio

    • 0.05% to 0.15% (500–1500 mg/kg feed), adjusted according to animal weight, target species, and infestation severity; final inclusion level must not exceed maximum residue limits (MRLs) as defined by local legislation

    Downstream process integration

    • Inclusion during late-stage feed premix manufacture, typically after cooling but prior to pelletizing, to prevent heat degradation and enable even dispersal within compound feeds

    Final product types

    • Medicated sheep and cattle concentrate feed
    • Ready-to-use on-farm anthelmintic feeds
    • Prevention-focused parasite control blends for ruminant operations
    • Feeding blocks for upland or pasture-grazed livestock

    2. Oral Drench Solutions for Veterinary Parasitology

    Animal pharmaceutical companies utilize Naftalofos as the core active ingredient in oral drench solutions, typically administered to large ruminants during high-risk worming intervals. These end-use solutions require precise dosing and stringent residue monitoring, especially for dairy and meat production chains exporting to high-compliance geographies. Manufacturers rely on stable, compliant raw materials with clearly auditable QC trails, supported by batch-specific documentation aligned to regional regulatory frameworks.

    Industry compliance standards

    • VICH GL 36 (Veterinary International Conference on Harmonization: Safety)
    • US FDA New Animal Drug Application (NADA) approval for active ingredient content
    • OIE Terrestrial Animal Health Code (Residues of Veterinary Drugs in Food)
    • Good Manufacturing Practice (GMP) for Finished Medicines

    Typical usage ratio

    • 1% to 2% (10–20 g/L solution), titrated for weight-based drenching schedules and withdrawal periods before animal products enter human consumption markets

    Downstream process integration

    • Dissolution into aqueous vehicles under controlled temperature and agitation sequences, followed by bulk solution QC and aseptic filling into livestock dosing containers

    Final product types

    • Bovine and ovine oral drench pharmaceuticals
    • Veterinary single-dose worming solutions
    • Multi-species anthelmintic dosing bottles
    • Combination drench products for rotational parasite control programs

    3. Parasite Control Tablet Manufacturing for Companion Animals

    Veterinary specialty pharmaceutical firms formulate Naftalofos into oral tablets for parasite management, primarily targeting working or farm dogs exposed to livestock-transmitted nematodes. Production of these tablets demands controlled particle size and stability, aligning with market-accepted compendial and shelf-life requirements. All ingredient sourcing, blending, compaction, and primary packaging steps are tightly regulated to ensure product efficacy and traceability through to end-use in animal health clinics and veterinary supply chains.

    Industry compliance standards

    • US Pharmacopeia (USP) General Chapter <795> (Pharmaceutical Compounding—Nonsterile Preparations)
    • European Pharmacopoeia Monograph 0413 (Anthelmintics for veterinary use)
    • ISO 9001:2015 certified animal health product manufacturing
    • Good Distribution Practice (GDP) for Veterinary Medicines

    Typical usage ratio

    • 5 mg to 15 mg per kg animal body weight, incorporated at 0.2% to 0.5% w/w per tablet batch, based on recommended segmental dosing and label claims

    Downstream process integration

    • Post-blending granulation and direct compaction, followed by tablet pressing, in-line weight variation checks, and final blister or strip packaging, with release testing per defined pharmacopeial criteria

    Final product types

    • Canine broad-spectrum deworming tablets
    • Multi-active anthelmintic tablets for livestock dogs
    • Companion animal prescription parasite tablets

    4. Poultry Feed Additives for Helminthiasis Management

    Poultry integrators and large-scale premix suppliers deploy Naftalofos to manage gastrointestinal parasite pressure in commercial broiler and layer operations, reducing productivity loss during warm, humid periods. Active integration into feed relies on granular control of mixing and heat treatment to preserve activity, with stringent batch traceability and residue clearance for egg and meat supply contracts. End customers require detailed formulation and withdrawal data to support compliance with food chain safety initiatives.

    Industry compliance standards

    • Codex Alimentarius (Maximum Residue Limits for Veterinary Drugs)
    • GlobalG.A.P. Livestock Standard: Compound Feed Use Sections
    • US FDA Center for Veterinary Medicine (CVM) Guidance for Industry #61
    • HACCP (Hazard Analysis and Critical Control Point) for feed manufacture

    Typical usage ratio

    • 0.025% to 0.1% (250–1000 mg/kg poultry feed), adjusted based on poultry weight class, production stage, risk level, and regional withdrawal period guidelines

    Downstream process integration

    • Integration after mash mixing and prior to crumbling or pelleting, enabling homogenous distribution assessed by in-process QC sampling; inclusion logs maintained for audit trails and recall traceability

    Final product types

    • Commercial layer medicated feed
    • Broiler startup and grower phase anti-parasitic feeds
    • Poultry worming feed premixes for supplementation
    • Specialty feed additives for parasite risk reduction
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    Certification & Compliance
    More Introduction

    Naftalofos: A Closer Look at a Proven Nematicide

    Understanding Naftalofos from the Manufacturer’s Perspective

    Naftalofos offers straightforward, reliable nematicidal—and, in some settings, anthelmintic—action that helps growers and livestock managers stay ahead of challenging pest and parasite issues. Our facility dedicates much of its technical infrastructure to the precise synthesis and purification of Naftalofos, a phosphorothioate compound. As manufacturers, quality refinement and consistency drive our daily routines because we understand how minor shifts in formulation may trigger noticeable effects on application and performance. Our experience has shown that farmers and animal health professionals seek dependable results, not just on paper, but season after season in the field and in the barn.

    Product Characteristics That Matter to Users

    Naftalofos, also known as Naphthalophos, holds a place in integrated pest management thanks to a balanced activity spectrum. What sets it apart isn’t a handful of marketing buzzwords, but specific, predictable behaviors. For animal health, the product typically appears as a crystalline solid—slightly yellowish, stable under standard storage, and free-flowing when handled under dry conditions. In crop applications, granular or wettable powder forms allow measured, even distribution across soils and feed rations. We sidestep cosmetic enhancements in favor of purity, aiming for content specification up to 98%. Over the years, consistent texture and color have reassured buyers who know that even a slight off-type batch can disrupt treatment protocols.

    We follow standardized industrial methods—chlorination, phosphorylation, and careful post-treatment scrubbing—to reach high assay levels and keep impurity profiles well below regulatory triggers. Every campaign brings raw material variations; we tweak process parameters only where necessary, guided by titration and analytical feedback, to maintain our production standards and uphold confidence in the finished product.

    Application and Usage: Lessons from the Field

    On the farm or ranch, Naftalofos finds its main role as a veterinary medicine to counter parasitic nematodes in ruminants, especially sheep and cattle. Our partners in animal husbandry stress feed compatibility and ease of dosing—the product must blend smoothly into mixed grain or pelleted rations, avoiding hot spots or unpalatable clumps. We manufacture the powder to a fineness that suspends readily in feed mills without excessive dust or separation, anticipating mixing demands and cross-contamination risks. For topical or direct soil application, granulated forms deliver even coverage, responding to moisture by breaking down at a predictable pace without sudden surges of active release.

    Veterinarians and extension specialists regularly seek input on optimal rotation schemes to minimize the risk of resistance. From what we observe, Naftalofos performs best as part of a multi-product regimen—never as a stand-alone cure-all. Animals treated on a rotational basis seldom develop tolerance issues. On the agronomic side, trials with nematode-infested fields demonstrate measurable root protection and root mass recovery. Not every pest challenge is identical, so we work directly with end users to adapt batch sizes and packaging for practical, farm-level needs.

    How Naftalofos Differs from Alternative Nematicides and Anthelmintics

    Direct comparisons to other nematicides reflect what farmers and livestock managers deal with every season: pressure to balance efficacy, cost, and user safety. Organophosphates like Naftalofos show a distinct mode of action compared to avermectins, benzimidazoles, or carbamates. Our experience in the synthesis plant confirms that handling procedures for Naftalofos take a different approach—for instance, users must avoid routine exposure to minimize risk of cholinesterase inhibition, while many newer products carry their own handling protocols. Market preference sometimes shifts toward compounds believed to pose fewer occupational risks, yet veteran field operators still call for Naftalofos when certain parasite burdens or resistant nematode strains break through.

    Product persistence also sets Naftalofos apart. Its breakdown profile ensures that residues do not linger indefinitely in animal tissues, provided withdrawal times are properly followed. Unlike some slow-clearance macrocyclic lactones, Naftalofos offers those concerned about residue—especially in milk production—a reassuring level of control. Our QA staff routinely monitor product for known breakdown products, ensuring that our published withdrawal periods rest on solid ground. Environmental impact also enters the picture. As a manufacturer, we monitor run-off and soil persistence to stay compliant with changing regulations. Tank-mix flexibility and moderate reactivity mean that with care, Naftalofos fits into complex treatment regimens without endangering beneficial soil microbiota as much as broad-spectrum organochlorines do.

    Quality Assurance and Traceability: From Factory to Farm

    Manufacturing chemicals for direct animal and soil use demands transparency and reliability at every link in the chain. Internal traceability systems track each lot of Naftalofos from the sourcing of naphthalene and phosphorus intermediates through reaction, crystallization, and final packaging. We run batch samples through HPLC and GC screening to eliminate off-spec lots before they reach distribution. On rare occasions when a field complaint arises, rapid batch-tracing and retesting keep disruption to a minimum.

    Quality assurance audits, on the shop floor and in the lab, emphasize practical checks—content uniformity in finished powder, absence of unreacted starting material, and water content. We take pride in working with QC chemists experienced enough to spot early-stage problems before they reach the warehouse. Temperature and humidity controls in bulk storage, plus robust drum liners, maintain product condition from our facility to remote buyers, where infrastructure can be less predictable.

    A commitment to traceable manufacture not only serves regulatory requirements in major export destinations but supports dealer and customer trust. Many of our buyers have visited the plant in person, walked the production line, and seen our adherence to batch segregation and allergen control first-hand. This open-door policy preempts many supply-chain disputes common in agricultural chemicals.

    User Feedback and Challenges Over the Years

    Since the first output of Naftalofos decades ago, direct feedback from animal health professionals shapes each product improvement step. Feed mill operators have pointed out issues with powder clumping in high-humidity regions, leading us to improve anti-caking steps and silicant additives. Veterinarians helped guide tweaks to packaging formats—moving from moisture-absorbing paper sacks to tightly sealed multi-layer drums. These changes rarely emerge from market surveys or theory but from long days watching actual product use.

    Some of the most valuable lessons arrive when protocols fail—cases where worm burdens persist despite calculated dosing. We work with specialists to review application reports, sometimes identifying site-specific resistance profiles or counterfeit inputs. These incidents underline why clear labeling and robust system security during manufacture are not just regulatory boxes to tick but practical defenses.

    Safety Matters: Worker and Environment

    Producing and handling organophosphate compounds like Naftalofos demands attention to health and safety, well before the product reaches a farm or feedlot. Our engineers and process staff follow strict protocols on PPE, air filtration, and waste neutralization inside the plant. Training never ends—new staff go through job-specific hazard briefings, and long-timers get annual refreshers on symptom recognition and medical response. We invest in real-time monitoring of processing air to detect accidental vapor spikes—a critical barrier for our people.

    On the user side, our technical teams supply clear instructions for safe product handling, relying on direct communication with purchasing cooperatives and distribution partners. We frequently support local training efforts, especially in regions with less formalized farm safety culture. Clear labeling, robust closure devices, and tamper-proof packaging help prevent accidental exposure and unauthorized dilution practices, which tend to undercut both safety and efficacy.

    On the environmental front, we keep water treatment systems up to date with the best available detoxification steps to minimize any risk of phosphorus or byproduct discharge. Field use also gets close scrutiny—soil persistence and aquatic toxicity tests run on every new formulation. We don’t take shortcuts on these controls, given regulatory spot-checks and—more importantly—the local communities that share water resources with field operators.

    Navigating Shifting Regulation: Regional Updates and Trends

    For over 30 years, regulatory status and technical standards for Naftalofos have evolved as risk awareness grew. Years ago, approval frameworks for feed additives and nematicides looked quite different—oversight focused on acute toxicity, not metabolic residue or environmental carry-over. Today’s compliance work takes up significant production time: rigorous validation of clearance times in ruminant tissue, post-marketing surveillance, and third-party testing whenever export boundaries change.

    Recent regulations in key markets drive reviews of allowed inclusion rates, set new benchmarks for maximum residue levels, and introduce obligation for data sharing with upstream producers. These measures, while sometimes arduous, raise product integrity across the board. Our technical staff now sees regulatory cycles as collaboration opportunities rather than threats, working with partners to document field results and contribute to national discussions on anti-resistance strategies or sustainable nematode control.

    Occasionally, renewal periods for product approval highlight emerging scientific concerns—from secondary metabolites to non-target organism impact. Our response links production systems directly with regulatory science, running pilot batches to test innovative stabilizers or alternative blending agents that can meet the latest requirements without diluting product effect in the field.

    Improvement Through Innovation and Collaboration

    Maintaining Naftalofos at a high standard means more than meeting yesterday’s benchmarks. In recent years, growing awareness of integrated pest management priorities prompted us to experiment with slow-release matrices and novel co-formulants. Early field studies show that properly engineered granules reduce frequency of reapplication and help keep residue levels within tighter limits. Longer shelf stability, achieved by refining the moisture-barrier system, gives value to buyers far from major supply centers.

    We continually partner with local and international researchers running animal field studies. Their demand for precisely dosed, chemically stable product drives our investment in analytical instrumentation. Every trial that demonstrates efficacy or flags a user concern feeds back into our quality review cycle. The most productive innovations, in our view, come not from the laboratory bench alone but from the intersection between research findings, production realities, and real-world field requirements.

    Farmers and animal health managers often struggle with labor shortages, shifting market demands, and weather extremes. Tweaking product handling procedures—for instance, lower-dust granule formulas or packaging designed for single-handed opening—shows our practical commitment to continual improvement. Field workshops allow us to demonstrate optimal usage and gather complaints straight from the end user. Incremental updates, based on this feedback, slowly raise the standard across every lot that leaves our warehouse.

    Supporting Tools and Field Resources

    We extend product support beyond the drum or bag by developing straightforward dosing charts, mixing guides, and residue interpretation tools tailored for Naftalofos users. Technical bulletins address common stumbling blocks—adjusting dosage to accommodate rain delays, identifying early resistance, or switching delivery techniques. Our technical phone lines and on-site service teams bridge the gap between manufacturing claims and actual field troubleshooting, especially in settings where remote buyers work without dedicated veterinary or agronomy teams.

    In remote areas, printed how-to sheets remain the primary resource for safe and effective use. We update these materials aggressively in response to feedback and keep the content grounded in the latest observations from regulatory field samples and user reports.

    Looking Ahead: Keeping Naftalofos Effective and Safe

    Producing Naftalofos on a commercial scale hasn’t lost its complexity. Smarter regulatory frameworks, end-to-end traceability, and greater user engagement keep us focused on precision manufacturing and clear communication. Today’s customers push for even more evidence of safety and sustainability: residue data, reduced waste, and easy recycling for bulk packaging. Each request or new regulation pushes us toward better control and higher reliability.

    With decades of practical feedback from professional users, upgrades to process chemistry, investment in better worker health standards, and ongoing product trials, we believe Naftalofos maintains its place as a proven tool in the fight against tough nematode and parasite challenges. We invite veterinarians, agronomists, and farm partners to keep challenging us—because every hard-earned lesson transforms the way our next batch is produced, tested, and delivered.