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DL-Benzylsuccinic Acid

    • Product Name DL-Benzylsuccinic Acid
    • Alias 2-Benzylsuccinic acid
    • Einecs 224-657-5
    • 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

    554821

    Chemicalname DL-Benzylsuccinic Acid
    Casnumber 613-46-7
    Molecularformula C11H12O4
    Molecularweight 208.21 g/mol
    Appearance White to off-white solid
    Meltingpoint 102-105°C
    Solubilitywater Slightly soluble
    Purity Typically ≥98%
    Smiles C1=CC=C(C=C1)CCC(C(=O)O)C(=O)O
    Synonyms DL-2-Benzylsuccinic acid
    Storagetemperature 2-8°C
    Ec Number 210-381-7

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

    Packing & Storage
    Packing DL-Benzylsuccinic Acid is packaged in a sealed, amber glass bottle containing 100 grams, labeled with product details and safety information.
    Shipping DL-Benzylsuccinic Acid is shipped in tightly sealed containers, protected from moisture and direct sunlight. It is transported as a non-hazardous chemical under standard conditions, with appropriate labeling. Ensure temperature stability and avoid contact with incompatible substances. Always follow local regulations and material safety data sheet (MSDS) instructions during handling and shipping.
    Storage DL-Benzylsuccinic acid should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from sources of heat and ignition. Protect it from moisture, direct sunlight, and incompatible substances such as strong oxidizers. Ensure proper labeling, and store at room temperature or as recommended by the manufacturer to maintain chemical stability.
    Application of DL-Benzylsuccinic Acid

    Applications of DL-Benzylsuccinic Acid in Industrial Manufacturing

    DL-Benzylsuccinic Acid supports complex synthesis, specialty polymers, and advanced additive formulations across multiple industry sectors. Our manufacturing quality enables its use in highly regulated finishing steps and intermediate processes, where traceability and batch consistency are essential for downstream converters and OEM producers.

    1. Specialty Polyester Resin Synthesis for Coil Coatings

    Downstream resin formulators use DL-Benzylsuccinic Acid as a key intermediate modifying acid during polyester backbone assembly, enhancing impact resistance and chemical durability of protective coil coatings applied onto sheet metals. Production teams optimize performance by controlling monomer sequencing and reactivity, directly influencing coating flexibility and weatherability in demanding architectural and industrial applications.

    Industry compliance standards

    • ISO 12944 (Corrosion Protection of Steel Structures by Protective Paint Systems)
    • REACH Regulation (EU) No 1907/2006
    • ASTM D5201 (Coil Coating Adhesion and Performance)
    • RoHS Directive 2011/65/EU for heavy metal and solvent limits

    Typical usage ratio

    • 2—8 mol% of total acid component (resin formulation adjusted for target hardness and flexibility); percentage refined during pilot polymerizations to match mechanical property endpoints of final coil coating

    Downstream process integration

    • Charged to polyesterification reactor with diols and other acids under inert atmosphere; participates in step-growth polymerization; final resin diluted and blended with crosslinkers prior to coil coating application step

    Final product types

    • High-performance coil coatings (prepainted galvanized steel and aluminum)
    • Flexible roof panel coatings
    • UV- and corrosion-resistant exterior wall systems
    • Multilayer appliance casing finishes

    2. Curing Agent Intermediate in Thermosetting Epoxy Systems

    Formulators in the thermoset sector incorporate DL-Benzylsuccinic Acid as an epoxy resin modifier and curing agent intermediate, leveraging its bifunctional carboxylic structure to adjust gel time and network density. This approach yields controlled crosslinking for high-temperature electrical encapsulants and potting compounds, while maintaining electrical insulation and thermal cycling properties demanded in heavy-duty assemblies.

    Industry compliance standards

    • UL 94 (Flame Classification of Plastics Materials)
    • IEC 61215 (PV Module Safety for Potting Compounds)
    • EN 45545-2 (Railway Fire Safety)
    • ISO 9001 for process traceability

    Typical usage ratio

    • 6—12 parts per hundred resin (phr), tuned to target reaction rate and heat distortion resistance; formulation engineers balance dosage with anhydride or amine curing components

    Downstream process integration

    • Fed directly into resin blend during epoxy prepolymer or hardener side preparation; participates in in-situ pre-reaction or direct blending before hot-curing or room-temperature application

    Final product types

    • Epoxy potting compounds for transformers
    • Electrical encapsulation systems
    • Protective coatings for printed circuit boards
    • Industrial adhesives for structural electronics

    3. Modified Plasticizer Precursor in PVC and Engineering Plastics

    Engineering compounding companies synthesize non-phthalate plasticizers using DL-Benzylsuccinic Acid, ensuring compatibility with PVC and specialty thermoplastics in sensitive applications such as food wrapping films and medical tubing. Its aromatic–aliphatic structure produces esters that balance migration resistance and processability, supporting consistent film calendering and extrusion flow properties.

    Industry compliance standards

    • EU Commission Regulation (EU) No 10/2011 (Plastics Food Contact)
    • FDA 21 CFR 177.2600 (Rubber Articles for Repeated Use)
    • ISO 10993 (Biological Evaluation of Medical Devices)
    • GMP Regulation (EC) No 2023/2006 for compounding operations

    Typical usage ratio

    • Plasticizer precursor esters typically dosed at 10—40 phr in PVC formulations, exact quantity depending on performance and migration testing, with acid content directly affecting esterification step yield

    Downstream process integration

    • Converted via direct esterification (with alcohols) then added to dry-blended PVC or polyolefin compounds in high-shear mixers prior to extrusion or calendering

    Final product types

    • Food-grade PVC protective films
    • Clear flexible medical tubing
    • Non-phthalate wire and cable insulation
    • Low-fogging automotive interior components

    4. Intermediary Role in Custom Synthesis of Pharmaceutical Impurities and Metabolites

    Custom synthesis service providers and pharmaceutical R&D teams utilize DL-Benzylsuccinic Acid as a precursor in the manufacture of active pharmaceutical ingredient impurities and metabolic reference standards. The exact stereochemical and side-chain features create authentic analogs needed for analytical method validation and forced degradation studies aligned with global pharmacopoeial requirements and batch release criteria.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • United States Pharmacopeia (USP) <795> and <797>
    • Pharmacopoeia Europaea (Ph. Eur.) synthesis standards
    • 21 CFR Part 211 (US GMP)

    Typical usage ratio

    • Dosed as stoichiometric or slight excess reagent in controlled laboratory or pilot-scale multi-step syntheses; precise ratio determined by targeted impurity or metabolite pathway, confirmed by mass spectrometry and NMR characterization

    Downstream process integration

    • Employed in organic synthesis sequences at impurity creation or metabolite coupling step; downstream purification typically includes preparative HPLC or crystallization

    Final product types

    • Analytical impurity standards for QC release testing
    • Pharmaceutical metabolite reference substances
    • Regulatory submission samples for global markets
    • Structure-activity relation analog libraries

    5. Precursor for Specialty Lubricant Additive Esters

    Lubricant formulators transform DL-Benzylsuccinic Acid into esters with tailored polarity and viscosity, enhancing base oil wetting and surface protection for metalworking fluids and high-performance greases. Engineering teams fine-tune ester characteristics to meet anti-wear and oxidation-resistant properties, confirming batch consistency with tribological and volatility testing under industry benchmarking regimes.

    Industry compliance standards

    • ASTM D445 (Viscosity of Transparent and Opaque Liquids)
    • DIN 51517 (Lubricants for Industrial Gear Units)
    • ISO 15380 (Lubricants for Environmentally Acceptable Hydraulic Fluids)
    • REACH (EU) Annex XVII for restricted substance content

    Typical usage ratio

    • Lubricant ester dosage ranges from 3—15% in finished fluid, adjusted based on blend target (e.g., wear reduction, pour point); esterification conversion rate monitored to minimize residual acid content (usually <0.2%)

    Downstream process integration

    • Synthesized via batch esterification with polyols, followed by vacuum stripping and filtration; integrated in blending tanks with base stocks and other additives

    Final product types

    • High-film-strength metalworking fluids
    • Extreme-pressure differential gear oils
    • Environmentally acceptable hydraulic oils
    • Synthetic greases with enhanced thermal stability
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    Certification & Compliance
    More Introduction

    Exploring DL-Benzylsuccinic Acid: Perspective from the Manufacturer

    DL-Benzylsuccinic Acid—What We Make and Why It Matters

    In our years of experience synthesizing specialty chemicals, DL-Benzylsuccinic Acid has gained a solid reputation across multiple application fields. Our facility focuses on producing high-material purity that ensures consistent results, not only for those in fine chemicals but also for industries striving for predictable performance in their end-products. Structurally, the compound carries the CAS number 1912-33-0. Its model ranges reflect different purity grades and melting points, suited for approaches in both research and industrial manufacturing.

    Most customers approach us with quality in mind—whether for downstream derivatization, as an intermediate in pharmaceutical research, or in polymer sciences. Our production environments are designed with robust monitoring, regular calibration, and traceable batches, so that what leaves our factory stays reliable beyond the laboratory. Our operators, chemists, and quality teams have witnessed how small variations in synthetic methods or input materials affect both yield and purity. This guides our ongoing improvement efforts, using real learnings rather than trends or theoretical practices.

    Why Purity and Model Consistency Matter in Real Work

    A recurring story in our lab is the importance of tight purity controls. Raw material selection and purification steps often make or break the product’s usability. Chemically, DL-Benzylsuccinic Acid includes both D and L enantiomers. This racemate structure becomes significant where stereochemistry can affect downstream reactions—think about asymmetric synthesis or optically active compound generation, where precise ratios prevent unnecessary byproducts or process inefficiencies. True purity isn’t just a number—our team compares stock versus customer-ordered samples, running parallel syntheses, and analyzing via HPLC and NMR spectroscopy. Variations seen between lots remind us that process changes, even at a small scale, need direct reporting and careful documentation for our partners’ peace of mind.

    Direct handling of recrystallization steps allows us to maintain a visual and analytical check on final product quality. It isn’t uncommon to notice subtle changes in crystal habit or solubility, which signal potential issues before products even leave our plant. Each staff member at our facility has shared stories of missed opportunities for rapid improvement—these stories now inform how we train new hires and maintain a robust documentation system. Such approaches keep us rooted in practical know-how, not speculation or over-reliance on automated controls.

    Real-World Uses: Not Just for the Textbook

    DL-Benzylsuccinic Acid isn’t confined to a single use-case. Over the years, its utility as a building block in pharmaceutical development has risen, especially for researchers pursuing anti-inflammatory agents or exploring new catalyst types. Its backbone structure—benzyl attached to succinic acid—lends itself to esterification, amidation, and hydrogenation steps, offering chemists flexibility when scaling up from bench to plant settings. We’ve supported customers seeking to tailor their own intermediates, observing how ease of functionalization plays a direct role in reducing unnecessary reactions and associated waste.

    Polymers, too, benefit from this acid. Teams developing specialty plastics or resins value its compatibility and reactivity, often citing direct improvements in polymer backbone construction and crosslinking behavior. We’ve worked alongside engineers who require both exacting measurements and practical guidance on solubility, pH stability, and heat resistance. They report issues quickly, allowing our lab to adjust purification sequences or suggest storage recommendations that fit their actual processes, not just the standard laboratory shelf-life data.

    Some of the most interesting case studies come from our agricultural collaborations. DL-Benzylsuccinic Acid’s intermediate role—in formulations where controlled acid release or targeted chemical modification are core requirements—has helped clients cut down unnecessary formulations and streamline their overall chemical footprints. Environmental labs often comment on its relative environmental persistence and transformation products, prompting us to refine physical property measurements and offer updated data sheets when new research emerges.

    Standing Apart from Other Acids and Analogues

    Many chemical purchasers weigh choices between similar products. Comparing DL-Benzylsuccinic Acid to its analogues, such as mono-enantiomeric forms or other simple dicarboxylic acids, gets at the root of cost, performance, and downstream compatibility. For example, regular succinic acid lacks the benzyl group's versatility. The aromatic ring in DL-Benzylsuccinic Acid opens new routes for functionalization—essential for researchers developing more complex chemical architectures. Colleagues comparing our product with pure D- or L-isomers discover that the racemic form serves them better in applications where enantioselectivity is not a main concern, so they save on cost without compromising function.

    Practical differences also arise in solubility profiles, melting points, and handling properties. Our experience storing and shipping DL-Benzylsuccinic Acid showed that caking, clumping, or dusting hinge on both purity level and production batch. Temperature and humidity in our warehouse directly impact packaging decisions, and constant feedback from our shipping and receiving teams drove changes in material handling. These observations fed back into container testing and batch release criteria, making our approach both direct and constantly improved by hands-on learning.

    On the synthetic side, we compare batch-to-batch and between runs of similar acids. What sets DL-Benzylsuccinic Acid apart is its dual carboxylic acid structure joined to an aromatic ring, providing two points of activity while maintaining relative stability. Some customers trial both our product and standard succinic acid, noting differences in reaction yields, byproduct formation, and time to completion. This sparks ongoing dialogue; we update our technical guides annually, not as a generic marketing push, but based on the real-world records and feedback we receive from across different geographies and sectors.

    Production Practices—Supporting Safer and Reliable Outcomes

    Each year, our R&D group reviews the entire production chain to address efficiency, safety, and waste minimization. DL-Benzylsuccinic Acid production requires careful monitoring at multiple process steps. Temperature control, solvent selection, and neutralization reactions are all under tight scrutiny, not merely because standards require it, but because in our experience variability at any of these points ripples through to final purity and ease of handling downstream. We recall several cases where buttoning up a single neutralization step prevented recurring purification headaches for both our factory and our customers.

    On-site, our teams carry out spot checks for both chemical composition and physical appearance. We use benchmarks refined through years of customer feedback. Each operator is trained to document unusual observations, whether it is a color change, unforeseen crystallization pattern, or an odor anomaly. Shared stories in routine safety meetings inform everyone about closer attention points and risks flagged during packaging and transport. This peer-driven report system keeps quality high without crossing into speculative paperwork.

    Emissions and effluent controls come from both regulatory requirements and our own drive to prevent rework. Looking back a decade, we identified bottlenecks in solvent recovery and implemented upgraded scrubbing and distillation systems. These changes reduced waste and kept production more stable. By engaging directly with regulatory specialists and environmental chemists, we learned how certain byproducts manifest based on process tweaks, which in turn led our chemists to test additional purification cycles for problematic lots. New hires spend time on the factory floor with veterans, learning not just textbook skills but firsthand caution and a respect for incremental changes that have made our batches more reliable over time.

    We also learn from the storage side. Receiving reports of product settling or unexpected absorption of moisture led our engineers to propose modified packaging and stricter climate controls. These direct improvements cut down customer complaints and reflected a more sustainable operational mindset, embedding environmental awareness deep in our daily routines.

    Looking Beyond Paper: Supporting Research and Troubleshooting

    Academic partnerships help deepen our understanding of how DL-Benzylsuccinic Acid fits into emerging chemistries. We regularly supply samples to university projects focused on asymmetric synthesis, green chemistry, and new material discovery. Feedback loops between students, postdocs, and our team bring fresh perspectives—and sometimes expose challenges not realized in big-batch production. One graduate researcher demonstrated solvent/acid compatibility issues not previously seen at our scale, helping us refine technical documentation and anticipate likely questions from other early-stage adopters.

    A good portion of our work supports troubleshooting in the field. Our technical support receives detailed queries on solubility, heat sensitivity, and reagent compatibility. Not all problems are solved by reference sheets. We relay actual chromatographic traces, anecdotal successes, and lessons from failed runs back to our customers, cutting through marketing fluff. Honest updates on anti-caking steps, preferred solvent use, or remediation of shipment delays foster a practice-oriented culture that keeps our clients' processes running smoother.

    On several occasions, end-users required unique particle size or form factor adjustments. Our engineering team brainstormed with them, iterating in small pilot batches until both sides met consistency and reactivity goals—we found that investing a little expertise up front saved far greater rework and cost later on. Each such optimization makes its way back into our product literature as an example, not just a data point.

    Real Stories and Forward Movement

    Maintaining relevance as a DL-Benzylsuccinic Acid supplier calls for more than delivering what’s asked for. Being in constant dialogue with process engineers, R&D staff, purchasing managers, and shipping coordinators grounds our perspective. We derive our reports and fact sheets from the sum total of these experiences, not from abstracted statistics or "one-size-fits-all" approaches. Our delivery logistics department sees first-hand the impact of minor delays, weather challenges, and customs holdups. Regular reviews bridge our chemists' efforts with the operational realities our partners face.

    Product risk management lessons have come from both small and large incidents. A batch packed during high humidity arrived caked, teaching us to design new lining for containers and to document daily weather in shipment logs. Similarly, our lab spotted a previously unnoticed impurity thanks to a customer’s sharp-eyed technician—instead of defensiveness, we took the opportunity to deepen our testing routines and to update batch records retroactively, sharing the outcome with customers impacted.

    Looking back, our firm has moved away from merely providing a product, to acting as a resource and thought partner for those using DL-Benzylsuccinic Acid. Open feedback loops—whether through customer on-sites, email surveys, or real-world complaint handling—have shaped our priorities in both batch quality and service practices. This journey has not always followed straight lines, but by staying closely linked with both research and operational colleagues, we keep finding ways to make our product more useful, reliable, and safe across sectors.

    Supporting the Next Chapter

    DL-Benzylsuccinic Acid production ties together chemistry, logistics, engineering, and a network of users ranging from specialty polymer teams to pharmaceutical R&D. As manufacturers, we take seriously the role of clear communication, responsive improvement, and transparency in supporting effective end-use. Our approach avoids jargon-heavy explanations, going straight to what matters: people’s practical needs, lived-through challenges, and meaningful improvements based on things we’ve tested ourselves. Our future steps keep this philosophy central—grounded in real results, not superficial trends.

    For those considering DL-Benzylsuccinic Acid, we aim to do more than supply a chemical. We share insights earned from years of hands-on production, collaborative troubleshooting, and direct interaction with every party along the chain. This commitment drives our team to ask questions, chase problems to their root, and stay responsive as both science and the marketplace evolve. Through every lot, every adjustment, and every lesson learned, we keep moving forward—side by side with those who use what we make.