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Diethyl 1-Propanephosphonate

    • Product Name Diethyl 1-Propanephosphonate
    • Alias Diethyl propylphosphonate
    • Einecs 252-050-9
    • 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
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    Specifications

    HS Code

    504391

    Product Name Diethyl 1-Propanephosphonate
    Cas Number 1067-40-7
    Molecular Formula C7H17O3P
    Molecular Weight 180.18 g/mol
    Appearance Colorless to pale yellow liquid
    Boiling Point 93-94°C at 1 mmHg
    Density 1.01 g/mL at 25°C
    Refractive Index n20/D 1.419
    Purity Typically ≥97%
    Solubility Miscible with organic solvents
    Flash Point 132°C (closed cup)
    Smiles CCP(=O)(OCC)O

    As an accredited Diethyl 1-Propanephosphonate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Diethyl 1-Propanephosphonate is supplied in a 100 mL amber glass bottle, sealed with a Teflon-lined cap for stability.
    Shipping Diethyl 1-Propanephosphonate is shipped in tightly sealed containers, protected from moisture and direct sunlight. Transport complies with applicable chemical regulations and safety guidelines. Packages are clearly labeled, handled by trained personnel, and supported by Safety Data Sheet (SDS) documentation for emergency response. Ensure upright storage to prevent leaks or spills during transit.
    Storage Diethyl 1-Propanephosphonate should be stored in a cool, dry, and well-ventilated area, away from direct sunlight, heat sources, and incompatible materials such as strong oxidizers. Keep the container tightly closed when not in use. Store in a tightly-sealed, labeled container made of compatible material. Handle with care, and avoid exposure to moisture or air to prevent possible degradation of the chemical.
    Application of Diethyl 1-Propanephosphonate

    Applications of Diethyl 1-Propanephosphonate in Industrial Manufacturing

    Diethyl 1-Propanephosphonate, as produced in-house, serves as a specialty intermediate for demanding chemical synthesis. Its core use involves phosphorus introduction and modification of organic molecules, supporting high-value sectors that require exacting process standards and reliable quality. Our manufacturing expertise ensures consistency in large-scale and custom batch supply, matching the necessary regulatory, technical, and supply chain criteria required by top-tier clients.

    1. Production of Organophosphorus Agrochemical Intermediates

    Agrochemical formulators incorporate this phosphonate to construct organophosphorus structures, especially in the synthesis of insecticide and herbicide actives. It reacts under controlled conditions with specific chlorinated aromatics or alkenes, enabling fine-tuning of biological activity by precise phosphorus chain assembly. Production lines demand minimized byproducts and compliance with international eco-toxicity verification for registration.

    Industry compliance standards

    • REACH (EC 1907/2006) registration and evaluation
    • ECHA SVHC exclusion for all supplied lots
    • China National Standard GB 2763 for pesticide safety traceability
    • ISO 9001 and ISO 14001 third-party audits for plant operations

    Typical usage ratio

    • 5–20% of total reactant mass; adjusted based on target compound and byproduct minimization

    Downstream process integration

    • Direct phosphonylation during early-stage synthesis, usually prior to final coupling or cyclization

    Final product types

    • Phosphonate herbicide actives (e.g., glyphosate analogs)
    • Insecticide intermediates for neonicotinoids and pyrethroids
    • Custom phosphorus-based biocide precursors

    2. Synthesis of API Phosphonate Building Blocks in Pharmaceutical Manufacturing

    The compound finds key application as a synthetic intermediate for industrial API (Active Pharmaceutical Ingredient) manufacturers, especially in the assembly of P-containing antiviral agents and bisphosphonate medications. Reaction conditions require solvent control under cGMP, meeting full traceability and impurity profile documentation. Manufacturers employ multistep condensation and selective hydrolysis steps to deliver pharmacologically relevant motifs.

    Industry compliance standards

    • cGMP as per ICH Q7A
    • US Pharmacopeia (USP) and European Pharmacopeia (EP) monograph requirements
    • FDA 21 CFR Part 211 compliance for finished dosage precursors
    • ICH Q3A/B for impurity and residual solvent analysis

    Typical usage ratio

    • 1–10 mol% of target moiety, based on API structure and reaction yield optimization

    Downstream process integration

    • Condensation or alkylation in intermediate synthesis; enters pathway before final heterocycle formation or sidechain installation

    Final product types

    • Bisphosphonate drugs for osteoporosis (intermediates for alendronate, ibandronate)
    • Antiviral nucleotide analog intermediates
    • Phosphorus-modified prodrug fragments

    3. Functional Additive in Flame Retardant Polymer Manufacturing

    Polymer compounders use this phosphonate as a reactive phosphorus-containing monomer to introduce flame-retardant characteristics in engineering plastics and specialty coatings. Integration takes place at the pre-polymer or co-polymerization stage, where the molecular structure adjusts thermal degradation pathways and char yield. Manufacturers precisely meter phosphonate input to comply with flame retardancy and mechanical performance targets according to global regulatory benchmarks.

    Industry compliance standards

    • UL 94 flammability classification (V-0, V-1 for end plastics)
    • EN 13501 for building and construction products
    • RoHS Directive 2011/65/EU substance restrictions
    • ISO 4589-2 oxygen index performance

    Typical usage ratio

    • 3–12% by mass in batch resin blend; level defined by targeted flammability class and mechanical property retention

    Downstream process integration

    • Added during monomer blending or reactive extrusion; can serve as co-monomer or flame-retardant additive in masterbatch dilution

    Final product types

    • Flame-retardant polyesters (e.g., PBT, PET compounds)
    • Polyurethane coatings for cable sheathing
    • Fire-protection architectural varnishes

    4. Reagent for Ligand Synthesis in Organometallic Catalysis

    Catalyst manufacturers utilize diethyl 1-propanephosphonate during the design of specialty ligands for homogeneous organometallic systems, particularly in the production of phosphorus-functionalized chelating agents. The material enters as a phosphorylation agent in synthesis steps, facilitating precision control of electronic and steric ligand properties required in fine chemical or polymerization catalysis. Stringent process controls are observed to avoid trace metal and halogen contaminants.

    Industry compliance standards

    • ISO 9001-certified catalyst and ligand production systems
    • Sigma-Aldrich Analytical Trace Elements standards for QC
    • OECD Good Laboratory Practice (GLP) guidance for process data integrity
    • Custom compliance with client-specific specification sheets

    Typical usage ratio

    • 5–25% molar basis in ligand-forming reactions; varied with desired chelation geometry and substituent structure

    Downstream process integration

    • Incorporation during ligand phosphorylation, often as a first- or second-step starting reagent; followed by purification and metal complexation

    Final product types

    • P-ligand intermediates for asymmetric hydrogenation
    • Bidentate electrolytes for precious metal catalysis
    • Catalyst precursors used in custom olefin polymerization processes

    5. Intermediate for Synthesis of Phosphonate-Based Corrosion Inhibitors

    Corrosion inhibitor formulators harness diethyl 1-propanephosphonate as a backbone intermediate for high-performance, water-soluble phosphonate scales and rust control chemicals. Controlled hydrolysis and neutralization steps yield end products compatible with potable water and process cooling systems. Strict raw material documentation is enforced to meet global water treatment additive regulations.

    Industry compliance standards

    • ANSI/NSF 60 certification for drinking water system additives
    • Chinese National Standard GB/T 16632 for water treatment chemicals
    • ASTM D4519 test protocols for inhibitor performance
    • EU Biocidal Product Regulation (BPR, Regulation (EU) 528/2012)

    Typical usage ratio

    • 7–15% in inhibitor concentrate formulations, with final adjusted dose based on waterside chemistry and scaling index

    Downstream process integration

    • Introduced during synthesis reactor charging stage, prior to neutralization and dilution into commercial liquid inhibitors

    Final product types

    • Cooling tower anti-scaling liquids
    • Phosphonate-based rust prevention solutions for industrial water systems
    • Blended water treatment chemicals for closed-loop HVAC systems
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    Certification & Compliance
    More Introduction

    Diethyl 1-Propanephosphonate: Practical Benefits Straight from the Manufacturer

    Introduction to Diethyl 1-Propanephosphonate

    Down here at the chemical plant, we get used to seeing a wide spectrum of agents go out the door every month. Among these compounds, Diethyl 1-Propanephosphonate has become one of our mainstays, finding its way into labs, pilot plants, and full-scale production floors across several sectors. We take pride in producing this organophosphorus compound to a high purity—usually no less than 98%—by keeping tight controls at every stage, from reaction vessel cleanliness to distillation and packing. What sets this product apart for us, after handling its near cousins for years, comes down to consistency in reactivity and predictability in outcome.

    What Makes Diethyl 1-Propanephosphonate Different?

    Some suppliers carry similar product lines, and on paper, several phosphonates or organophosphorus ingredients might look alike in terms of structure or purity rating. As hands-on manufacturers, we notice key differences once you get elbows-deep in actual production settings. Diethyl 1-Propanephosphonate stands out because of the specific orientation and stability of the phosphonate group on the propane backbone. This translates to smoother stepwise functionalization compared with diethyl phosphonates built on ethylene or linear butane chains. With this compound, impurities tend to stay low when stored under proper conditions, and batch reproducibility remains tight—a quality that starts with raw material selection and runs through to closed-system bottling.

    The appearance of Diethyl 1-Propanephosphonate is a clear, colorless liquid with a characteristic faint odor; operators rarely have trouble identifying it, even before GC or NMR confirmation. Our own line focuses on minimizing trace moisture—under 0.1% water content—because even small amounts can interfere with subsequent syntheses, especially in pharmaceutical or agrochemical work. Packing only takes place after passing a series of in-house analytical checks, including phosphorus content, and by customer request, we offer extra documentation from third-party validation.

    Applications Gained from Industry Experience

    Colleagues in specialty chemical development took to this product early on for C–P bond formation, particularly in the synthesis of phosphonic acid derivatives. Customers commonly report using Diethyl 1-Propanephosphonate as a key intermediate for making flame retardants, plasticizers, as well as in the preparation of bioactive molecules. In our own on-site formulation work, we have seen how the propyl group offers a unique route to alkylphosphonic acids, which can’t be reached as cleanly through methyl- or ethyl-based phosphonates. This opens up pathways in a range of end-uses—from medicinal chemistry where a slightly longer chain imparts different pharmacokinetic properties, to materials science where bulky side chains improve compatibility in certain polymer matrices.

    Research chemists from both universities and corporate R&D often tap us for guidance on scaling up. We like to pass on practical advice on reaction charging, agitation, and solvent choices, since Diethyl 1-Propanephosphonate’s boiling point and viscosity differ from more volatile analogues. In most of our customer-run oxidation or substitution processes, yields improve when suppliers provide a product with sharp specs and a well-documented shelf life. Repeatedly, users find that blends containing this compound show more batch-to-batch similarity compared to more generic phosphonates sourced from traders. That’s the kind of thing our QC team aims for: control at every step, so our partners waste less time revalidating each drum or container.

    Model and Batch Consistency: A Manufacturer’s Perspective

    From our experience, users appreciate not only the molecular specification—C7H17O3P, to be precise—but the confidence that what they find on the drum matches historical performance over months or years. Our model tracking relies on a lot code system, notably not just for inventory but for in-depth traceability should any downstream questions arise. We routinely archive samples from every production batch, regularly conducting stability studies over a year and more.

    By operating our own synthesis and finishing units, we keep a tight grip on conditions like temperature ramps, addition rates, and neutralization, which directly influence the quality of Diethyl 1-Propanephosphonate in each lot. The most visible models—by which we mean production runs or “recipe versions”—get adjusted for industry feedback. For example, input from one major client led us to refine our distillation process, which resulted in lower alkylphosphate byproducts and longer storage times. These changes, once proven, roll out across all lots, so everyone benefits, not just the requesting party.

    Putting Experience to Work in Use Cases

    Most of our larger users take in Diethyl 1-Propanephosphonate in drum quantities, integrating it into continuous or semi-batch processes. Smaller labs might prefer smaller bottles, but the underlying challenges stay the same: handling, dosing, minimizing exposure to air, and making sure residual solvents don’t creak into the main product stream. Drawing from years of feedback, we recommend inert-atmosphere storage and short-term refrigeration for any open containers. Based on our analysis, shelf life exceeds two years in unopened, well-sealed drums, and we stress the importance of resealing to preserve purity.

    On the scale-up side, practical issues pop up, like finding compatible gaskets and transfer lines; Diethyl 1-Propanephosphonate isn’t aggressive, but poor quality rubbers and some plastics may absorb or leach out, muddying the process. Stainless steel and glass equipment have remained the best choices, and we routinely run compatibility tests on new hardware, sharing results with our industrial customers. When users face blockages or haze upon addition, our technical team troubleshoots by pinning down possible sources—a contaminated pump, a non-neutralized cleaning agent, or interaction with feedstock residues. Having handled many returns and replacements, we’ve learned that small changes in feedstock or storage impact performance far more than generic literature would suggest.

    Supporting Cleaner and Safer Use

    While Diethyl 1-Propanephosphonate starts with fairly benign hazard labels compared to many phosphorus compounds, our workers never skip the gloves, goggles, and basic ventilation. From manufacturing standpoint, regular spills rarely pose stubborn cleanup problems, and with standard neutralization procedures, waste minimization stays achievable. We always encourage end users to seek our latest handling protocols, as updates reflect not only regulatory shifts but also lessons learned from field incidents.

    The legislative environment around organophosphorus chemicals turns ever stricter by the year. From raw material sourcing—verifying chain of custody on the alcohols and phosphorus species—to documentation that now includes full lifecycle traceability, the old days of “drum and go” have long ended. In our manufacturing, sample retention and robust digital records make sure every shipment meets both legal and quality expectations. We value transparent environmental disclosure and encourage partners to align their workplace auditing with evolving standards to maintain site licenses and market reputation.

    How Diethyl 1-Propanephosphonate Fits With—or Differs From—Similar Products

    Every handful of months, we field questions from buyers mulling over which phosphonate ester to select, especially for fine-tuning a pilot line or product recipe. Diethyl 1-Propanephosphonate, with its three-carbon backbone, fits neatly between shorter-chain ET-based analogs and larger, bulkier derivatives like butyl or isopropyl phosphonates. What this often means in real conditions: you see nuanced shifts in solubility, boiling point, and reactivity. For instance, compared to diethyl phosphonoacetate, our product allows for more selectivity in alkylation, and for some challenging syntheses, impurities resolve faster as the propyl group resists side reactions.

    Colleagues working on fine chemicals appreciate the higher flash point and storage stability—details that stem from the structure, not simply the grade or purity rating. Another spot of difference comes in odor threshold and handling: while several phosphonate esters tend toward strong or acrid smells, our operators sense only a faint odor, improving conditions inside our plant and for those downstream. We’ve heard from plastics and resin manufacturers that the propyl group adapts better to certain polymer matrixes, avoiding some of the migration and leaching seen with shorter or branched analogs.

    In solvent systems, Diethyl 1-Propanephosphonate dissolves efficiently in most common organics, but outperforms some of the older diethyl phosphonate types in viscosity-sensitive applications. Chemists working on catalyst development, especially in coupling reactions, note improved conversion rates on challenging substrates. Across these applications, a lot depends on the fine details: water content, trace acidity, and the fit of the side chain into each process.

    Real World Challenges and Our Approach to Improvement

    Running a manufacturing line brings daily reminders that no two lots—let alone two customer challenges—are exactly alike. In producing Diethyl 1-Propanephosphonate over long campaigns, we get unexpected wrinkles: changes in upstream feedstock purity, volatility driven by local weather, and the ever-present need to keep plant utilities in top shape. Routine preventative maintenance on reactors, pumps, and control panels prevents a surprising share of quality headaches. We make a practice of documenting not only each lot’s analytical profile, but also production variables, and over time, these records allow smart forecasting on what influences final product stability.

    Customers regularly return for technical advice after discovering, often the hard way, that their pilot results run adrift at plant scale due to scale-up artifacts—heat transfer, mixing dynamics, knock-on effects from cleaning procedures, and batch sequencing. Our technical support team welcomes these challenges, investigating root causes and recommending practical approaches. Sometimes a tweak in solvent addition or agitation speed smoothes out an issue that looked like a purity problem. Manufacturers like us get to see the long game—patterns emerge regarding how different process tweaks reflect in final analytical data and user satisfaction.

    Product losses from improper storage stump some operations. We train our warehouse team to keep Diethyl 1-Propanephosphonate containers tightly sealed, in dry, cool conditions, and with clear separation from acids, oxidizers, or damp environments. Over the past year, several customer incidents traced back to open containers absorbing moisture, which lowered reactivity in downstream processes. The lesson echoes: chemistry is always local, and attention to storage carries through to end product success.

    Quality Control and Documentation: Our Approach

    QC in manufacturing turns up crucial trends. We test every lot of Diethyl 1-Propanephosphonate for phosphorus content, water fraction, and byproducts like monoethyl or tripropyl phosphonates. Over time, we invested in HPLC and GC-MS technologies, cross-validating with NMR readings for detailed impurity profiling. We do not cut corners on documentation—for each shipment, our certificates reflect not only analytical values but also chain-of-custody from raw input through to finished package. Recertification after long storage sometimes uncovers drift; we alert customers and arrange for replacement at our own expense if quality standards falter.

    Rigorous internal audits, both planned and random, help spot potential drift in quality long before any customer flags it. We share any relevant trends with repeat buyers, sometimes even suggesting tweaks to end-use protocols to support their efficiency goals. Recent feedback from an agrochemical developer led to our introduction of additional peroxide testing, catching a potential downstream risk before any production-scale reaction ran into trouble.

    Regulatory and Market Considerations

    Every year brings new paperwork demands. Recent regulatory changes affect how we label, store, and transport Diethyl 1-Propanephosphonate. Forward-thinking companies take time to ensure compliance on both the manufacturing and user ends; no one benefits when a process gets stalled at a customs inspection or flagged mid-audit. Our documentation package for each batch keeps pace with international standards, helping global buyers meet local rules with less friction.

    Market-wise, supply chain uncertainties and periodic raw material shortages keep the sales and logistics teams busy. We lock in contracts for critical reactants well in advance, holding reserves where feasible and always monitoring for emerging risks in the global supply chain. Regular customer dialogs give us early hints of demand spikes or slowdowns, allowing for proactive scheduling and timely information flow. We aim always to ship on time, but when force majeure hits, immediate communication and alternative planning soften the blow.

    Feedback and Collaboration: Shaping the Future of Product Use

    Direct communication with users, ranging from bench chemists to production managers, shapes how we manufacture and support Diethyl 1-Propanephosphonate. Recently, one client reported issues integrating the product into a novel catalyst regime for asymmetric synthesis. Working side-by-side, our technical team and their R&D staff solved the bottleneck by adjusting dosing rates and controlling for micro-inclusions left from storage tanks. Success in projects like these flows back to our plant, enhancing both process and product for the next batch onward.

    We value ongoing conversations more than one-time transactions. Every piece of feedback feeds into a loop from quality control to R&D and on to logistics planning. Routine technical updates—such as shifting packaging from metal to high-grade HDPE after field data showed improved longevity—came about due to practical feedback from customer sites. We keep our doors open for plant visits, training sessions, and technical workshops, sharing both best practices and lessons learned the hard way.

    Addressing Shortcomings and Looking Ahead

    No process is perfect—unexpected delays, product drifts, or regulatory curveballs arise despite best intentions. We examine root causes, document them, publicize lessons to both insiders and partners, and drive change to close gaps for future campaigns. Progress in chemical manufacturing does not pivot on slogans—it comes from the hard work of process optimization, the willingness to invest in cleaner raw sources, and open, honest communication with the people who trust their work to our material.

    Looking ahead, we see a shifting market with greater demand for reliable, reproducible organophosphorus intermediates, with transparency, safety, and sustainability gaining weight alongside traditional specs. Diethyl 1-Propanephosphonate stands ready as a versatile, well-characterized compound that continues to support innovation across agrochemicals, pharma, and advanced materials. As manufacturers, we recognize our role is not just to supply, but to support, educate, troubleshoot, and advance the field alongside our partners. Step by step, each batch reflects both our accumulated experience and our forward-looking approach, built on direct problem-solving and a commitment to delivering the quality others can count on.