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

Methyl (Triphenylphosphoranylidene)Acetate

    • Product Name Methyl (Triphenylphosphoranylidene)Acetate
    • Alias Wittig Reagent
    • Einecs 218-417-6
    • 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

    228252

    Chemical Name Methyl (Triphenylphosphoranylidene)Acetate
    Cas Number 2839-77-0
    Molecular Formula C22H19O2P
    Molecular Weight 346.36
    Appearance Yellow to orange powder
    Melting Point 159-161 °C
    Solubility Soluble in organic solvents such as dichloromethane and chloroform
    Purity Typically ≥98%
    Storage Temperature 2-8 °C
    Synonyms Methyl (triphenylphosphoranylidene)acetate; Methyl 2-(triphenylphosphoranylidene)acetate
    Inchi InChI=1S/C22H19O2P/c1-21(23)17-25(18-19-11-5-2-6-12-19,20-13-7-3-8-14-20,22-15-9-4-10-16-22)24-21/h2-16,18H,17H2,1H3
    Smiles COC(=O)C=P(c1ccccc1)(c2ccccc2)c3ccccc3

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

    Packing & Storage
    Packing Methyl (Triphenylphosphoranylidene)Acetate, 5 g, is packaged in a sealed amber glass bottle with a tamper-evident cap and labeling.
    Shipping Methyl (Triphenylphosphoranylidene)acetate is typically shipped in tightly sealed, chemical-resistant containers to prevent moisture and air exposure. It should be packed with appropriate cushioning and labeled according to regulatory guidelines. During transit, the shipment is kept at ambient temperature, away from incompatible substances and ignition sources, ensuring safe and compliant delivery.
    Storage Methyl (Triphenylphosphoranylidene)acetate should be stored in a tightly sealed container, under an inert atmosphere such as nitrogen or argon, and kept in a cool, dry place away from light and moisture. The storage temperature should ideally be at 2-8°C (refrigerated). Keep away from strong oxidizers and acids. Ensure proper labeling and segregate from incompatible materials.
    Application of Methyl (Triphenylphosphoranylidene)Acetate

    Applications of Methyl (Triphenylphosphoranylidene)Acetate in Industrial Manufacturing

    As a manufacturer of Methyl (Triphenylphosphoranylidene)Acetate, we supply this key compound to specialized synthesis processes in advanced industrial sectors. Its established role as a Wittig reagent underpins precise C=C bond formation for high-value molecular construction. We support customers with consistent quality and technical alignment for demanding downstream workflows.

    1. Pharmaceutical Active Ingredient Synthesis

    Pharmaceutical and contract research organizations deploy this ylide reagent in the selective synthesis of α,β-unsaturated ester intermediates. Controlled use in multistep syntheses enables formation of structurally-defined building blocks for APIs, especially where E/Z selectivity or reduced byproduct profiles are critical. Our product enters after carbonyl precursor validation, supporting ROI on route development and scale-up to clinical lots.

    Industry compliance standards

    • ICH Q7 (Good Manufacturing Practice for Active Pharmaceutical Ingredients)
    • US FDA 21 CFR Part 211
    • EU EudraLex Vol 4, Part II (GMP)
    • Relevant pharmacopeia specifications (USP, EP) for residual reagents and process impurities

    Typical usage ratio

    • 0.95–1.1 molar equivalents per aldehyde or ketone substrate; exact quantity guided by scalability, isolated yield, and downstream impurity threshold assessments

    Downstream process integration

    • Used directly in the Wittig olefination stage after carbonyl substrate QA and solvent pre-treatment, followed by workup and isolation of unsaturated esters or intermediates for further functionalization

    Final product types

    • α,β-Unsaturated esters for use in antihypertensives, antivirals, and CNS active substances
    • Late-stage intermediates for peptide and nucleoside analogues
    • High-purity reference compounds for pharmaceutical analytical standards

    2. Agrochemical Active Ingredient Production

    Agrochemical synthesis operations incorporate this phosphoranylidene compound in key steps for the manufacture of fungicides, herbicides, and insecticide precursors. Its application enables the formation of carbon–carbon double bonds critical to activity profiles, while process chemists manage reagent intake as part of integrated batch control, supporting sustainable production and compliance with residue regulations.

    Industry compliance standards

    • FAO/WHO pesticide specifications
    • OECD GLP (Good Laboratory Practice) requirements for starting material control
    • ISO 9001:2015 quality management for agricultural chemicals
    • Regulatory review per country-specific agrochemical registration (EPA, EU, ICAMA)

    Typical usage ratio

    • 0.8–1.2 molar equivalents referenced to target carbonyls; tool compounds may allow wider variation as dictated by degradation product tracking

    Downstream process integration

    • Added post-purification of carbonyl intermediate; handled in stainless steel reaction modules under inert atmosphere, followed by phase-separation and further derivatization to specific crop protection agents

    Final product types

    • Pyrrole-based fungicide intermediates
    • Phenylacrylate herbicide cores
    • Precursors to triazole or strobilurin-based agrochemicals

    3. Fine Chemical and Fragrance Intermediate Synthesis

    Specialty chemical and fragrance ingredient manufacturers utilize this reagent for constructing α,β-unsaturated esters that serve as perfumery intermediates and aroma chemical precursors. These esters, prepared via precise olefination reactions, offer tailored scent profiles or downstream chemical handles for esterification, hydrogenation, or cyclization in flavor and fragrance creation. Formulators optimize intake at bench and pilot scale to deliver compositional consistency required by international markets.

    Industry compliance standards

    • IFRA (International Fragrance Association) Code of Practice and standards for intermediates
    • FEMA (Flavor and Extract Manufacturers Association)
    • ISO 22716:2007 (Cosmetic GMP, as applicable to scent chemical inputs)
    • Material traceability outlined in REACH regulations (EC 1907/2006)

    Typical usage ratio

    • 0.9–1.1 molar equivalents per batch, determined through reaction conversion checks and chromatographic purity targets relevant to aroma profile development

    Downstream process integration

    • Introduced during carbonyl-to-alkene step in perfumery intermediate synthesis, prior to secondary functional modifications or distillation/purification stages for olfactory compound isolation

    Final product types

    • Methyl cinnamate and analogues for fine fragrance blending
    • α,β-Unsaturated ester intermediates for musk or green-note compositions
    • Flavor and fragrance component precursors for use in personal care and home care

    4. Custom Specialty Material Development for Advanced Polymers

    R&D divisions in advanced performance materials leverage this ylide in the precision synthesis of monomeric esters, which enable targeted introduction of unsaturated functionalities into specialty polymers. Use in monomer preparation aligns with customer objectives in electronics, barrier packaging, or resin research, where reactivity and purity directly impact polymer backbone properties and downstream curing behavior. Reaction stoichiometry and process design address the tight impurity controls specified for high-performance end-use.

    Industry compliance standards

    • ISO 9001:2015 quality process certification for specialty materials
    • RoHS (Restriction of Hazardous Substances Directive) for electronic polymers
    • REACH (EC 1907/2006) for chemicals in polymer manufacturing
    • OEM/customer-specific technical specifications for residual phosphorus content

    Typical usage ratio

    • 1.0–1.05 molar equivalents, specified according to polymer chain-end control and reduction of oligomeric byproducts; lab and pilot trials inform scale-up parameters

    Downstream process integration

    • Employed at the monomer design and functionalization stage, preceding batch or continuous polymerization and further compounding with performance modifiers under inert or controlled conditions

    Final product types

    • Functionalized acrylate and methacrylate monomers for polymer synthesis
    • Precursor esters for UV-curable resins in coatings and adhesives
    • Electronic-grade specialty polymers with engineered end groups
    Free Quote

    Competitive Methyl (Triphenylphosphoranylidene)Acetate prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: admin@sinochem-nanjing.com

    Get Free Quote of Sinochem Nanjing Corporation

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    Methyl (Triphenylphosphoranylidene)Acetate: Practical Insights from Our Production Floor

    Introducing a Workhorse of Modern Synthetic Chemistry

    Every compound tells a story—sometimes one of versatility, sometimes one of precision, and often, both. Methyl (Triphenylphosphoranylidene)Acetate stands out in the world of organic intermediates. Known among chemists for its distinct reactivity, we have invested years refining our production to ensure every batch meets rigorous standards. We manufacture this compound under strict conditions, consistently aiming for high purity, which directly influences reaction outcomes in our customers’ hands.

    What Sets This Compound Apart

    Methyl (Triphenylphosphoranylidene)Acetate has become a staple in many research and industrial settings due to the phosphorane functionality. Its core use comes with the Wittig reaction, a transformation most organic laboratories encounter regularly. Watching how researchers rely on this tool for carbon–carbon double bond formation reminds us daily of the influence of minor differences in raw material quality.

    We have seen our own product, typically delivered as a fine, off-white powder, offer consistent solubility in familiar solvents like dichloromethane and tetrahydrofuran. Our technical teams work hands-on with every batch, using modern analytical equipment—think NMR and HPLC—to pinpoint purity, and we often see levels above 98%. Years ago, early runs struggled at this threshold, illustrating how experience and feedback drive change on the production line.

    Specifications Rooted in Daily Practice

    Production always starts with reliable starting materials. Procurement teams carefully qualify triphenylphosphine and methyl bromoacetate from trusted sources. Through strict control over reaction temperature and addition rates, triphenylphosphoranylidene acetates produced here land consistently within a melting point range of 190–195°C. These may sound like technical details, but for those who run sensitive syntheses downstream, small variances can derail an entire sequence.

    Consistency matters most. We package every lot in inert atmospheres to guard against moisture and decomposition. Insight into the product’s shelf-life has led us to recommend storage under argon or nitrogen, away from light and heat. Chemists in the field have shared times when subpar phosphoranes ruined expected yields—often from exposure to air or substandard purification. Our experience enables us to sidestep these issues, so what leaves our facility translates to reliable performance at the bench.

    How Chemists Use Methyl (Triphenylphosphoranylidene)Acetate—Beyond Textbook Descriptions

    Years on the manufacturing floor have shown us dozens of practical use-cases beyond the standard Wittig process. Customers in the pharmaceutical sector often rely on this phosphorane to prepare enol ethers or unsaturated esters. Universities order by the tens of grams for pilot studies. Industrial groups come back for multi-kilogram lots, scaling up specialty chemicals or flavors where a subtle modification can define performance.

    We pay close attention to feedback. Some users report that only with high-purity lots do their catalyzed alkene formations proceed with minimal by-products. Others recount problems with inconsistent batches leading to headaches in downstream purification. This feedback loop shapes how we refine our purification steps—removal of triphenylphosphine oxide, in particular, becomes second nature when so much is at stake.

    Across industries, this compound’s stability means users can plan longer campaigns without the unpredictability that often accompanies unstable intermediates. Eigenvalue-based QC methods have given us extra confidence in handing this product off to teams demanding the tightest process controls. Customers working in fragrance intermediates value our approach—aroma compounds leave little forgiveness for impurities.

    Direct Input from Our Technicians and Chemists

    We never separate the manufacturing team from feedback coming in from end users. Lab staff who make each batch often handle more repeat analysis than many realize. Someone on the team keeps logs not just on product performance, but on minor adjustments—solvent swaps, wash temperatures, column media—which over the years have shaved down impurity profiles batch after batch.

    Long ago, hand-written logbooks gathered dust. Now, everything’s digitized, searchable, and, most importantly, reviewed internally. We often spot recurring questions: “Can you supply higher than 99%?” or “Would a slightly coarser powder reduce static issues?” We respond directly, tweaking our process, sometimes running a limited pilot to confirm improvements before adopting any widespread changes.

    Having access to real-time feedback lets our team learn in weeks what once took years. If a batch doesn’t meet a customer’s expectation, we investigate root causes with them. This sense of shared scrutiny brings practical improvements—smaller adjustments, better product, fewer headaches.

    Understanding Differences: Methyl (Triphenylphosphoranylidene)Acetate vs. Alternatives

    Buyers often ask how this phosphorane compares to the multitude of ylide reagents on the market. Some choose stabilized ylides with different ester groups, or look toward non-phosphorus alternatives, but the acetate variant delivers a sweet-spot between stability, reactivity, and ease of handling. In real-world terms, labs working with more reactive phosphoranes have sometimes reported storage headaches—clumping, darkening, and tricky purification. This product keeps its structure through weeks of lab-scale use and months of industrial storage, especially when kept cool and dry.

    Other manufacturers may cut corners at the purification step. In our facility, reinforcing each crystallization cycle with TLC and HPLC analysis ensures no batch leaves without a comprehensive certificate of analysis. We sometimes get asked about the possibility of tailoring particle size or lot-scale. For most, our standard provides the best combination of handling and reactivity, but we maintain flexibility for those requiring something extra—finer powder for rapid dissolution, or coarser grades for auto-feed dosing equipment.

    Cost matters. We price to reflect the quality controls and education invested by our workforce. That’s something most traders or bulk resellers cannot offer—every step, from starting material assay to reaction setup and post-reaction cleaning, gets real scrutiny from chemists with decades spent perfecting this specific compound. We often field questions about certificates, stability tests, and batch reproducibility. Candidly sharing production data fosters trust, and over time, deeper partnerships.

    Industry Standards and Meeting User Needs

    Regulations for specialty chemicals demand traceability. We’ve internalized best practices from years of experience meeting audits, whether from multinational pharmaceutical buyers or academic purchasing departments. Batch traceability, impurity documentation, reaction logbooks—they aren’t afterthoughts, but a natural consequence of running a facility dedicated to supporting high-value chemical synthesis.

    On a practical level, our unpacking guides walk users step-by-step through best approaches for storing and using this product. We’ve seen our acetate variant serve as a benchmark for stability testing across other products. Some downstream users employ in-line NMR to check for decomposition in real time; our focus on process cleanliness helps their signals stay sharp.

    Custom requests sometimes require short turnaround times, new packing formats, or extra analytical data. Collaboration between our technicians and end-users drives carefully managed production flexibility, ensuring supply chains stay intact even during peak demand periods.

    Challenges in Manufacturing and Solutions Developed

    Controlling trace metal impurities, managing solvent recovery, and guaranteeing shelf-life beyond typical storage periods kept us learning. Early on, ambient temperature swings led to inconsistent crystallization, affecting yield and downstream reactivity. We invested in climate-control, automated monitoring, and staged solvent drains—improvements that paid for themselves in reduced off-spec batches and greater reproducibility.

    Managing by-products, mainly triphenylphosphine oxide, once made large-scale runs time-consuming. With better filtration media and more precise temperature holds, clean-up became less of a bottleneck. We listened to users concerned about even minor traces of phosphorus by-products in pharmaceutical applications, added orthogonal QC checks, and improved our post-synthesis purification.

    One ongoing challenge relates to packaging. Reactivity to air and light occasionally leads to product degradation. We conducted side-by-side tests across several packaging materials—glass, high-barrier plastics, metal-lined pails—and now offer formats best suited for the shelf lives our customers require.

    Direct Feedback and Continuous Improvement

    Every process adjustment circles back to performance in real-world use. Teams in research and process labs provide regular updates. Reports of faster reaction rates and cleaner intermediate formation encourage us to push for higher purity and better particle flow properties. On rare occasions, when a batch sees higher than expected residual solvents, internal reviews map out improved drying cycles and stricter solvent sourcing.

    Partnerships with university and industry customers push us toward transparency. When reviewers and auditors visit our operation, we provide open records, traceable production logs, and real-time QC data. We view these audits not as hurdles but as assets—candid discussion about challenges and successes forms a better product in the long run. The satisfaction of seeing our compound used in published research—and sometimes, in patented new materials—offers the team a real sense of pride.

    The Value of Experience in Every Batch Produced

    From raw material checks through every run, our operators carry knowledge born of years on the floor. It isn’t just about following set procedures, but understanding why those standards exist. Newer technicians learn side-by-side with veterans, soaking up small improvements. It only takes a batch contaminated by humidity or a glitch in temperature controls for everyone to see the importance of diligence at each stage.

    Some customers request detailed run reports, even site visits to watch a batch being made from start to finish. We welcome those interactions because we know how much detail matters. Seeing a reaction proceed as expected, NMR spectra lining up batch-to-batch—these are small daily wins that stack up to long-term confidence.

    Every year, we revisit core processes, consult with academic collaborators, and assess the latest in purification and handling techniques. We make a point of sending our staff to conferences and technical trainings, ensuring that experience grows not only from daily practice but from exposure to the newest science. This approach guarantees that each unit of methyl (triphenylphosphoranylidene)acetate delivered contains more than a molecule: it encapsulates thousands of hours spent refining, checking, and improving.

    Looking to the Future

    The role of ylide chemistry continues to expand as researchers dig deeper into fine-tuning carbon–carbon bond formations and chase new classes of biologically active molecules. Our facility adapts to these demands by building increased capacity, expanding our QC capabilities, and keeping the lines of communication with users open and active.

    We've seen first-hand how supply disruptions or inconsistent quality create roadblocks for research and production. Accountability—knowing who to call, where a batch comes from, and how it's made—remains our core strength. The connections forged across years of chemical production have taught us that bold claims about purity or capability mean little unless users can verify and reproduce results. Our challenge, and our pride, come from ensuring that each shipment of methyl (triphenylphosphoranylidene)acetate can be traced, trusted, and used with confidence in the next great synthesis, whether it's a new specialty polymer, a trial drug, or a research publication pushing the frontiers of chemistry.

    Every day on the production line brings fresh challenges. In making methyl (triphenylphosphoranylidene)acetate, we carry not only the technical expertise but an ongoing commitment to quality, communication, and continuous improvement. For everyone who measures success by the purity of their final product, or the reliability of each reaction, our dedication promises much more than just a bottle of reagent. It means a partnership grounded in experience, trust, and a shared pursuit of progress in the chemical sciences.