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Benzylmalonic Acid

    • Product Name Benzylmalonic Acid
    • Alias 2-Benzylpropanedioic acid
    • Einecs 217-634-2
    • 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
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    Specifications

    HS Code

    950994

    Chemical Name Benzylmalonic acid
    Cas Number 611-06-3
    Molecular Formula C10H10O4
    Molecular Weight 194.18 g/mol
    Appearance White to off-white solid
    Melting Point 126-128 °C
    Solubility In Water Slightly soluble
    Density 1.349 g/cm³
    Smiles C1=CC=C(C=C1)CC(C(=O)O)C(=O)O
    Storage Conditions Store in a cool, dry place, tightly closed
    Synonyms 2-Benzylpropanedioic acid

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

    Packing & Storage
    Packing Benzylmalonic Acid, 25g, packaged in a sealed amber glass bottle with a secure screw cap, labeled for laboratory use.
    Shipping Benzylmalonic Acid is shipped in tightly sealed containers to prevent contamination and moisture absorption. It is packaged according to standard chemical safety protocols, labeled appropriately, and protected from excessive heat and light. Transport complies with all applicable regulations, ensuring safe handling and delivery to laboratories or industrial facilities.
    Storage Benzylmalonic acid should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from sources of heat, ignition, and incompatible substances such as strong oxidizers. Protect it from moisture and direct sunlight. It is advisable to keep it in a chemical storage cabinet, following standard laboratory safety and handling procedures.
    Application of Benzylmalonic Acid

    Applications of Benzylmalonic Acid in Industrial Manufacturing

    Benzylmalonic acid supports specialized organic synthesis and advanced material innovation across several focused industrial sectors. As a chemical raw material manufacturer, we engage directly with end users, adapting our supply to the unique demands of each downstream process and regulatory landscape. Below are application categories reflecting genuine market pathways and validated production standards.

    1. Active Pharmaceutical Ingredient (API) Intermediate Synthesis

    API producers use benzylmalonic acid as a building block in multi-step syntheses, relying on its activated methylene group for selective alkylation and acylation. The compound participates in condensation reactions—frequently under basic catalysts—enabling generation of substituted malonates for integration into β-amino acid drugs, ACE inhibitors, or analgesic scaffolds. Strict in-process quality and documentation controls apply throughout, from receipt of raw material to API isolation, requiring continuous traceability, impurity profiling, and validation of reaction endpoints. Final API products rely on high-purity precursors to meet pharmacopoeial specifications.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP and EP monographs relevant to downstream API products
    • FDA 21 CFR Part 210/211 (cGMP for pharmaceuticals)
    • EDQM Certification of Suitability (CEP) procedures for API intermediates

    Typical usage ratio

    • 0.5–1.5 molar equivalents relative to the corresponding amine or active halide; ratio adjusted for final yield and impurity control

    Downstream process integration

    • Added during the alkylation or condensation stage after solvent charging and catalytic base introduction
    • Monitored via HPLC and GC to confirm conversion before workup and isolation
    • Integrated into validated batch records and subject to material balance reconciliation

    Final product types

    • Precursor molecules for antihypertensives
    • Key intermediates for β-lactam antibiotics
    • Amino acid-derived APIs
    • Controlled-release drug formulations

    2. Agrochemical Synthesis (Herbicides & Plant Growth Regulators)

    Chemical synthesis units in the agrochemical sector source benzylmalonic acid for construction of novel herbicide and plant growth regulator molecules. Its dicarboxylic framework reinforces the structural core of active actives through esterification, alkylation, and subsequent cyclization steps. Material selection adheres strictly to series-specific raw material purity and batch traceability, with downstream environmental and residue testing dictating release eligibility. Each production run matches technical as well as regulatory grade standards set by national and multinational pesticide authorities. Final actives contain residuals well below detection thresholds established for field use.

    Industry compliance standards

    • FAO/WHO Technical Specifications for Pesticides
    • EU Regulation (EC) No 1107/2009 for plant protection products
    • ISO 9001:2015 quality management for production documentation
    • OECD Principles of Good Laboratory Practice (GLP) for residue studies

    Typical usage ratio

    • Up to 10% w/w as an intermediate component in synthetic sequence; optimized based on targeted cyclization efficiency

    Downstream process integration

    • Reacted in the early-stage formation of substituted malonic esters
    • Feeds into continuous flow or batch reactors, downstream of solvent and base charge
    • Traced via LC-MS or GC-FID for process control prior to derivatization and isolation of bioactive moieties

    Final product types

    • Pre-emergent herbicides
    • Post-emergent weed control agents
    • Auxin-type plant growth regulators
    • Carboxylate-containing agrochemical actives

    3. Specialty Polymer and Resin Additive Manufacturing

    Producers of specialty polymers use benzylmalonic acid primarily to introduce branching, crosslinking, or functional pendant groups in condensation and radical polymerization. The dicarboxyl moieties participate as comonomers or end-capping agents, influencing polymer molecular weight, thermal stability, and solubility in engineered plastics. Processing parameters—and quality inspection protocols—focus on residual monomer content, color, and hydrolytic degradation resistance, all critical in automotive, coatings, and electronics applications. Each application ties directly into technical performance testing including hardness, flexibility, and migration assays.

    Industry compliance standards

    • REACH Regulation (EC) No 1907/2006 Registration and assessment for non-food-use monomers
    • UL 94 Flammability Testing for polymer materials
    • ISO 9001:2015 quality system certification for batch records and testing
    • ASTM D638 (Tensile Properties of Plastics) for finished parts

    Typical usage ratio

    • 1–5 mol% relative to total comonomer feedstock in step-growth or chain-growth reactions; dosage tailored for specific mechanical and chemical resistance profiles

    Downstream process integration

    • Charged after initial monomer pre-mix in reactors equipped for temperature and pressure control
    • Feeds into esterification or radical initiation zones, aided by organometallic or peroxide catalysts as required
    • Conversion monitored by NMR and FT-IR to track copolymer formation and residual acid content

    Final product types

    • Heat-resistant engineering plastics
    • High-gloss surface coatings
    • UV-cured specialty resins
    • Automotive and electronics-grade polymer assemblies

    4. Fine Chemical Intermediates for Flavor & Fragrance Synthesis

    Manufacturers in the flavor and fragrance industry utilize benzylmalonic acid for the targeted formation of aromatic esters and lactones. Its controlled esterification creates intermediates with defined volatility, impacting final product aroma profiles and stability. Only food-contact and IFRA-compliant chemical grades are accepted, with downstream validation via residual solvent and purity testing. End-use dictates narrow specification limits, and processing involves precise pH, temperature, and catalyst management to secure stable aromatic compounds without off-notes or by-product contamination.

    Industry compliance standards

    • IFRA (International Fragrance Association) standards
    • US FDA 21 CFR Part 172 for food additives
    • EU Regulation (EC) No 1334/2008 (Flavours in Food)
    • ISO 22000:2018 Food Safety Management System for traceability

    Typical usage ratio

    • Typically 0.1–0.5% in esterification charge, adjusted for final fragrance intensity and volatility balance

    Downstream process integration

    • Introduced in dedicated reactors after aromatic alcohol pre-charging
    • Catalyzed with acid or enzyme and progressed under inert atmosphere
    • Material flow strictly controlled with automated dosing and in-line GC monitoring for endpoint validation

    Final product types

    • Aromatic esters for fruit or floral flavors
    • Cyclic lactones with creamy or coconut notes
    • Fragrance intermediates for luxury perfumery
    • Food-grade flavor bases

    5. Research Reagents and Custom Synthesis

    Advanced R&D facilities and custom synthesis companies employ benzylmalonic acid as a core scaffold in the rational construction of libraries for medicinal chemistry, catalyst discovery, and functional material sampling. Analytical-quality lots, full COA traceability, and batch-specific impurity maps are prerequisites for screening campaigns and pilot-scale scaleouts. Integration occurs via high-throughput parallel synthesis, with definitive stoichiometry and protocol validation determined according to targeted structure-activity outcomes and regulatory requirements of contracted research programs.

    Industry compliance standards

    • ISO 17034 for reference material producers
    • GLP (Good Laboratory Practice) for regulated laboratory use
    • Material Safety Data Sheet (SDS) compliance per GHS
    • Customer-specified certificate of analysis with trace element and impurity testing

    Typical usage ratio

    • Ranges from 0.01–2 mmol scale in lead optimization; adjusted per target scaffold and library size

    Downstream process integration

    • Weighed by analytical balance and dosed manually or with automation into microreactors or batch flasks
    • Reactions monitored by LC-MS, NMR, or GC with integrated tracking software
    • Subsequent purification by flash chromatography or crystallization before handoff to secondary screening or scale-up

    Final product types

    • Compound screening libraries
    • Reference standards for pharmaceutical development
    • Catalyst prototypes
    • Functionalized molecules for thermal or optical material studies

    6. Advanced Material Synthesis for Electronics Industry

    Manufacturers of specialty electronic materials utilize benzylmalonic acid in functionalization of dielectric polymers, photoresists, or ion transport materials. The acid’s dicarboxylic structure enables formation of rigid frameworks and fine-tuning of electrical and thermal properties through precision copolymerization or additive blending. Production adheres to contamination and purity protocols aligned with microelectronics industry demands. Batch QC involves advanced spectroscopic and electrical testing. Final component quality is defined by processability, dielectric loss, and absence of ionic contaminants.

    Industry compliance standards

    • IPC-4101 standards for base materials in printed circuit boards
    • IEC 60216 (Thermal endurance of insulating materials)
    • ISO 14644 Cleanroom standards for material handling
    • RoHS 2011/65/EU directive for restricted substances

    Typical usage ratio

    • 0.5–2.5% by weight depending on end-use matrix and targeted insulation or mechanical property goals

    Downstream process integration

    • Fed into resin kettles as part of comonomer mix or crosslinking additive charge
    • Polymerization and blending performed under nitrogen to minimize oxidation
    • QC testing of intermediate and final pellets/panels for electrical resistivity, thermal profile, and ionic impurity

    Final product types

    • Dielectric films
    • Photoresist coatings
    • Low-loss printed circuit board substrates
    • Sensor encapsulation materials
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    Certification & Compliance
    More Introduction

    Benzylmalonic Acid: Direct from the Manufacturer’s Floor

    Crafting Benzylmalonic Acid: Experience at the Source

    As a chemical manufacturer, the way we approach Benzylmalonic Acid begins with a respect for both the product and the hands-on science behind it. Anyone who’s spent time on a synthesizer’s bench knows every batch of Benzylmalonic Acid tells a story—from the clean lines of its white crystalline powder to the way it dissolves in water and organic solvents. Over years of scaling up, we’ve refined processes that lessen impurity profiles and deliver consistent, reliable results across lots. This has not always been straightforward; years ago, yields swung up and down as aging equipment met the modern demand for tighter tolerances and higher volumes. With close attention to purification and a real-world focus on solvent management, we found solutions that allow every shipment of Benzylmalonic Acid to meet benchmarks expected by pharmaceutical and research users alike.

    Specifications That Matter in the Real World

    Nothing shapes a product more than the people counting on it. For Benzylmalonic Acid, purity standards stand at the core. Chemical analysts expect nothing short of 98% minimum purity. Most clients—a mix of process chemists from pharmaceutical labs, university research groups, and material manufacturers—expect samples to arrive in a steady crystalline form, free-flowing and without residual solvents. In our facility, testing extends from basic melting point and spectral confirmation to in-depth chromatographic runs. Attention often focuses on batch-to-batch reproducibility, sulfated ash content, and trace impurity quantification. The reality is that even small variances in impurity profiles can impact gradient elution chromatography or downstream reaction performance, especially for those using Benzylmalonic Acid as a precursor in more sensitive syntheses.

    Daily, technicians oversee drying, milling, and packing—routine processes, but any break here risks degradation or contamination. Over time, maintenance and staff training have minimized such risks; raw material selection and validated cleaning procedures now sharply reduce the chance of cross-contamination with phthalates or halogenated residues, which have historically plagued scale-ups with external tollers or vendors less familiar with this niche dicarboxylic acid.

    Applications Driven by Real Practice

    Walking the shop floor, conversations with customers highlight why Benzylmalonic Acid matters. Its two carboxylic groups create unique opportunities in organic synthesis, particularly in constructing complex pharmaceutical intermediates. Researchers often use it as a substrate for the synthesis of new amino acid analogues, or as a protected acyl donor in solid phase peptide synthesis (SPPS). Clients in fine chemicals regularly remark on its utility in accessing 1,3-diketones and heterocyclic compounds by classic malonic ester synthesis pathways.

    Not every user relies on textbook routes. One contract partner, focusing on radiolabelled compounds for PET imaging, turns to Benzylmalonic Acid for its amenability to direct alkylation, which allows for the insertion of tracer groups without excessive byproduct formation. Another group leverages its reactivity in the development of agricultural products; the double carboxylate remains critical for tuning release profiles when attached to actives. Every day brings another minor variation—a reflection of the real industry demand. Most projects proceed on a tight schedule, and high-quality Benzylmalonic Acid can shorten reaction optimization by weeks.

    Those in academic settings frequently note cost as a sticking point; sourcing low-volume grades from resellers leads to inflated invoices. Our direct sales bring benchmarking straight to them, cutting lead times and ensuring feedback makes it directly to our process team. By skipping resellers, discussions about solubility, scale-adaptation, or custom pack sizes become far more productive, and we’ve refined batch sizes and documentation formats in response to actual user needs.

    Benzylmalonic Acid’s Unique Position Among Dicarboxylic Acids

    For chemists, Benzylmalonic Acid often prompts comparison to more familiar malonic acid derivatives or substituted phthalic acids. Some ask why not just use malonic acid or dimethyl malonate instead? Experience on the manufacturing side reveals the subtle, yet crucial, differences. The benzyl group introduces both steric hindrance and extra electronic conjugation, affecting reactivity towards base-triggered decarboxylation and alkylation reactions. In multistep syntheses—say, for crafting advanced organometallic complexes or introducing functional groups at a sensitive position—the difference between benzylic and aliphatic substituents becomes clear. Benzylmalonic Acid enables specific transformations malonic acid can't deliver cleanly, especially where more controlled stepwise reactivity is required.

    The physicality of the material also differs. Compared to glossier, sometimes clumpier malonic acid batches, Benzylmalonic Acid, with careful synthesis, typically forms more stable, less hygroscopic crystals. This material trait reduces handling headaches in humid climates or during long storage—a blessing for process engineers fed up with caked bags or the need to re-dry before reagent weighing.

    In terms of storage, our experience backs the stability of Benzylmalonic Acid under ambient conditions for several months—much longer than some of the more labile malonic acid analogues with less favorable decomposition profiles. This makes inventory management smoother, especially for research teams who draw down stocks irregularly or for manufacturing processes needing certainty even in smaller flows.

    Process differences also stretch to environmental considerations. Benzylmalonic Acid synthesis, when controlled at the source, typically generates less process waste per kilogram than more highly chlorinated or halogenated analogues often employed in specialty synthesis. Over the years, tweaks to filtration and solvent recovery have tightened our waste stream and brought disposal costs down in a sector not known for slackening regulatory oversight. Direct engagement with solvent recycling vendors yields genuine cost savings passed back to client pricing models—something distant fulfillment centers can rarely claim.

    From Manufacturing Challenges to Practical Solutions

    Every batch starts with a decision: which route offers purity and efficiency this time? Multiple synthetic strategies exist, each with advantages and pitfalls. Traditional approaches, like dialkylation of malonate esters followed by saponification, once reigned, but these risked over-alkylation and unacceptably high byproduct levels. Over time, working through repeated pilot runs, our teams have optimized towards milder, more selective benzylic introduction, using catalysts that avoid fostering side reactions. Real people—our chemists—watch these reactions at the bench, monitor endpoint indicators, and troubleshoot when the reaction stalls or foams unexpectedly. No automated line can replace that experience. Chemical intuition, cultivated over decades, finds the right moment to quench, to distill, or to recrystallize.

    Quality, in our experience, comes from nitty-gritty attention to scale. Gram-scale syntheses rarely face the heat-transfer or solvent stratification woes that pop up in multi-ton reactors. Early on, temperature gradients foiled us; crystals clumped on reactor walls, costing yield or requiring noisy interventions. Continuous agitation improvements, smarter baffling, and diligent temperature mapping through reactors now prevent pocket formation and accelerate batch throughput.

    Solutions to these challenges aren’t only mechanical. Engagement starts at the human level. Operators who understand why moisture swings ruin powder flow have introduced subtle changes—like purging reactor heads with dry nitrogen during unloading. These adjustments, grounded in experience, pay off over hundreds of runs and thousands of kilos shipped.

    From a waste management perspective, process residues and clean-up present ongoing hurdles. In early years, local wastewater profiles failed to meet evolving rules because careless cleanout left traces of benzylic compounds. Now, batch accountability, process effluent analysis, and certified third-party audits keep discharge within the tight limits. We see responsibility as fundamental; long-term relationships grow from consistency in quality and compliance.

    Listening to the Market—Learning, Adapting, Improving

    The market for Benzylmalonic Acid rarely stands still. Research trends, patent expirations, and even shifts in major funding agencies ripple through our order sheets and inquiry load. Over years of direct sales, we see the change in demand: today, not only pharma, but also advanced battery material developers and specialty polymer researchers, look for smaller, more customized batch deliveries. Requests pile in for analytical documentation, not just basic COAs. Chromatograms, full spectra, and trace impurity logs have become standard. We have invested in both instrumentation and training, keeping up with informed buyers who rightly ask more technical questions than agents ever do.

    Sometimes, these requests push our capabilities. Purity demands inch up as researchers hunt for specific minor impurities thought to impact activity or material properties. Satisfying these needs means updating both purification processes and analytical routines—often, with guidance from the same scientists who raise the queries. Such direct dialog opens the door to custom grades, tailored drying schedules, and fresh packaging schemes. The relationships grow collaborative; successful problem-solving here changes both our product and the daily work of downstream labs.

    Product differentiation matters. Some users tell us they switched from less consistent suppliers after too many false starts—runaway reactions or unexplained TLC spots that upended precious trial runs. Maintaining reliable Benzylmalonic Acid isn't a marketing catchphrase; it’s the grind of keeping equipment tuned, tracking raw material lots, and verifying incoming shipments before the first flask is charged.

    For startups and small companies, navigating the procurement side can feel daunting. Here, real support comes from transparency: open communications about lead times, actual available inventory, and willingness to schedule smaller runs for innovation-driven teams. By prioritizing these needs, the manufacturing side speeds new project launches. Bulk buyers, on the other hand, still value logistics certainty—knowing with confidence the drums will arrive with documentation ready and no hidden quality drift. Both groups gain from a manufacturer capable of flexibly adjusting batch sizes, packaging, and scheduling to support fluctuating project cycles.

    Environmental Responsibility in Practice

    Sourcing choices shape not just lab outcomes but also the environmental footprint of chemical manufacturing. Years ago, solvent use and energy intensity of Benzylmalonic Acid syntheses drew little scrutiny; now, both customers and regulators pay closer attention. Our facility transitioned stepwise toward more energy-efficient recoveries, solvent separation, and water conservation. Regular equipment audits, waste stream tracking, and recovery process improvements cut both emissions and costs. Colleagues out on the shop floor often suggest tweaks—a reactor jacket set-point change, improved rinsate collection, reduced unreacted benzyl halide loading. These changes may seem subtle, but multiplied over a year’s production, the numbers add up.

    Recycling extends beyond just solvents. Packaging, often overlooked, has shifted in our facility from single-use plastics toward multi-use containers and solid, recyclable drums that shield the acid from atmospheric moisture and prevent product loss. Implementation of reusable packaging models did not flow smoothly; resistance arose on the shipping line from those accustomed to one-way logistics. Over time, with feedback from our core customer group, multi-use drums have won over hesitance, cutting overall packaging waste considerably.

    We’ve walked the compliance gauntlet repeatedly. Local agencies routinely sample our effluent, and independent environmental auditors track metrics regularly. Achieving trusted environmental credentials comes from this unglamorous but essential continuous effort. As a result, our clients increasingly reference sustainability in procurement decisions, pushing us to back up words with real, measurable action. By underpinning Benzylmalonic Acid manufacture with responsible processes, the product’s appeal grows, satisfying both the chemist’s quality demands and the broader environmental mandate.

    The Future of Benzylmalonic Acid—Driven by Real Laboratory and Industry Demands

    What lies ahead for Benzylmalonic Acid is always a moving target, defined by the next generation of materials and molecules. For years, its main home sat in the realm of classical synthesis; now, we watch a steady growth of interest from advanced polymer chemists, battery researchers, and bioconjugation experts looking to leverage both its two carboxylates and the unique chirality possibilities unlocked through catalytic modification. We see more hybrid projects, cross-boundary collaborations, and a rising appetite for granular regulatory documentation—from reach certificates to traceability logs keyed back to starting materials. Our manufacturing team adapts along with these requests, learning alongside our buyers as new standards emerge and older methods are improved or retired.

    Real product evolution rarely springs from marketing alone. Customer-driven feedback cycles, project debriefs, and technical audits yield more progress than any one-size-fits-all certification ever could. We continue to invest in smarter batch automation, next-generation analytical tools, and operator training, but it’s the front-line conversations—the daily reports from process chemists, the troubleshooting calls from bench researchers—that build Benzylmalonic Acid’s value.

    A Manufacturer’s Perspective: Every Gram Counts

    Every shipment of Benzylmalonic Acid represents the culmination of teamwork, planning, and hands-on experience. From the quick-dissolving powder needed for a gram-scale reaction to the drum delivered for a pilot-scale pharmaceutical run, we stand behind every lot. Real feedback shapes every process tweak; listening to the users, learning from setbacks, and responding in time make our Benzylmalonic Acid stand out among commodity and specialty dicarboxylic acids. Our approach stays grounded in real chemical practice, shaped by the needs and insights of those working in both established and emerging fields. This product, with its distinct benzyl group and reliable performance, remains not just a chemical, but an ongoing collaboration between manufacturer and end user—a product that delivers results where it matters most: in the laboratory, in the plant, and in new discoveries yet to be made.