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2-Bibenzylcarboxylic Acid

    • Product Name 2-Bibenzylcarboxylic Acid
    • Alias 2-(Phenylmethyl)benzoic acid
    • Einecs 212-736-0
    • 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

    539366

    Productname 2-Bibenzylcarboxylic Acid
    Molecularformula C15H12O2
    Molecularweight 224.25 g/mol
    Casnumber 2094-71-5
    Appearance White to off-white solid
    Meltingpoint 165-168 °C
    Purity Typically ≥98%
    Solubility Slightly soluble in water, soluble in organic solvents
    Storagetemperature Store at room temperature
    Synonyms 2-Carboxybibenzyl, o-Bibenzylcarboxylic acid

    As an accredited 2-Bibenzylcarboxylic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The 100g 2-Bibenzylcarboxylic Acid is packaged in a sealed, amber glass bottle with a secure screw cap and clear labeling.
    Shipping 2-Bibenzylcarboxylic Acid is shipped in tightly sealed containers designed for chemical safety. Packages are labeled according to regulatory standards, with clear hazard and handling instructions. Shipping typically occurs via ground or air freight, complying with IATA and DOT regulations to prevent contamination, degradation, or accidental release during transit.
    Storage 2-Bibenzylcarboxylic Acid should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizing agents. Protect it from moisture, direct sunlight, and heat sources. Store at room temperature, and ensure the storage area is clearly labeled and access is restricted to authorized personnel trained in chemical safety.
    Application of 2-Bibenzylcarboxylic Acid

    Applications of 2-Bibenzylcarboxylic Acid in Industrial Manufacturing

    As a manufacturer specializing in the production of 2-Bibenzylcarboxylic Acid, we support multiple key industrial sectors where this intermediate is essential to downstream synthesis. Our technical partnerships and production experience ensure reliable supply and data for each application detailed below.

    1. Synthesis of Pharmaceutical Intermediates

    Pharmaceutical manufacturers use this compound as a core intermediate during the assembly of targeted molecules for active pharmaceutical ingredient (API) synthesis, particularly within certain non-steroidal anti-inflammatory drug production lines. Technicians integrate it at the pre-coupling or salt formation step, reacting the acid group with selected amines under controlled conditions. Identification and traceability follow regulated impurity profiles, and the process uses analytical validation under GMP-compliant procedures.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • EU GMP Part II
    • USP and EP monographs for related compound classes
    • FDA 21 CFR Part 211 (where applicable downstream)

    Typical usage ratio

    • Used at 0.3%–2% by mass relative to total batch size, with precise ratio set by pharmacopoeia specification alignment and target yield of the intermediate compound

    Downstream process integration

    • Acid activation and coupling in the early stage of multi-step API synthesis
    • Integrated into reaction vessels with in situ monitoring of key intermediate formation
    • Subsequent purification via crystallization or preparative chromatography

    Final product types

    • API intermediates for NSAIDs
    • Bulk pharmaceutical chemicals pending final synthetic step
    • Reference standards for method validation

    2. Production of Liquid Crystal Materials

    This material finds targeted use in the synthesis of specialty liquid crystal monomers for advanced display technologies. Chemical engineers employ it for introducing specific aromatic frameworks into the molecular backbone, which modulates mesophase temperature and alignment properties. Reaction occurs during fine chemical batch processing, immediately prior to the esterification or etherification step, directly affecting the functional properties of terminal liquid crystal products.

    Industry compliance standards

    • ISO 9001:2015 Quality Management System
    • RoHS Directive 2011/65/EU (export-bound products)
    • Customer-driven technical specifications for purity and isomer profile
    • REACH registration for supply within the EU

    Typical usage ratio

    • Ranges from 1% up to 5% of the total batch—sum determined by final product molecular design and required liquid crystal phase range

    Downstream process integration

    • Fed into pre-polymerization mixing tanks during monomer backbone build-up
    • Conversion by acid chloride formation and then subsequent condensation
    • Followed by vacuum distillation for residual acid removal

    Final product types

    • Intermediate monomers for twisted nematic (TN) and in-plane switching (IPS) displays
    • Custom liquid crystal compounds for high-resolution panels
    • Precursors for photoalignment layer additives

    3. Advanced Dye and Pigment Synthesis

    Colorant manufacturers leverage this compound as a starter molecule for the synthesis of select specialty dyes requiring a biphenyl carboxyl aromatic system for chromophore extension. The acid group serves as a reactive handle during azo coupling or metal-complex formation. Precise handling in closed reactors prevents side reactions and assures batch consistency, and the integration point determines final color quality and stability.

    Industry compliance standards

    • EN 71-3 Safety of Toys (heavy metal content in pigments)
    • OEKO-TEX Standard 100 (for textile dye applications)
    • ISO 18451-1 Pigments and Extenders—Terms and Definitions
    • Specific customer requirements on amine and nitrosamine impurities

    Typical usage ratio

    • Varies from 3%–12% w/w in dye precursor syntheses, tailored according to target pigment molecular weight and required chromophore resonance

    Downstream process integration

    • Conjugation with diazonium or metal salt reagents following initial reaction setup
    • Continuous monitoring of conversion via HPLC or in-line UV-Vis measurement
    • Centrifugal separation and post-reaction purification for solid pigment isolation

    Final product types

    • High-performance red and violet dyes for industrial coatings
    • UV-stable pigments for plastics
    • Specialty textile dyes

    4. Synthesis of Organic Electronic Materials

    Manufacturers in the organic electronics industry utilize this chemical in the fabrication of charge transport materials, specifically as a precursor to biphenyl-based conductive polymers and organic semiconductors. The introduction occurs at the monomer activation stage, after which material advances to cyclization or polymer chain coupling under inert atmosphere, with careful scrutiny of trace metal contaminants and end-group analysis for compliance with device lifetime requirements.

    Industry compliance standards

    • IEC 62607-4-1 Measurement protocols for organic electronic materials
    • IPC-4101 Epoxy and Modified Epoxy Base Materials
    • RoHS 3 for lead and phthalate content
    • UL 94 Flammability rating for device compounds

    Typical usage ratio

    • Adjustment typically 0.5%–4% by polymerization feed weight, optimized for electrical conductivity and film-forming property in target device fabrication

    Downstream process integration

    • Introduced at initial oligomer or co-monomer addition step of charge transport material synthesis
    • Subsequent cyclization or chain extension reactions in sealed reactors
    • Batch filtration/ultrafiltration to remove low-molecular-weight byproducts

    Final product types

    • Active matrix organic light-emitting diode (AMOLED) display materials
    • Organic photovoltaic panel components
    • Hole transport layers for printed electronics
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    Certification & Compliance
    More Introduction

    Introducing 2-Bibenzylcarboxylic Acid: A Manufacturer’s Perspective

    Manufacturing 2-Bibenzylcarboxylic Acid: Insights from the Source

    Production lines produce chemicals just as much as any other process, but behind every drum labeled 2-Bibenzylcarboxylic Acid, there’s a story built on years of hands-on refinement. From our first small batch to continuous development, we’ve come to know this compound not just as a specification in a catalog, but as a real material that brings results you can count on. The chemical formula, C15H12O2, signals more than just molecular weight and atom counts—it means precision in synthesis, clean workups, and strict monitoring of crystal purity.

    In our manufacturing plant, chemists monitor each phase of production with an eye for detail. We choose our starting materials based on stability and proven reliability in our reactors. Steps from the oxidative coupling methods, purification, and crystallization all shape the final product. We know full well that the degree of purity—usually at or above 99%—makes the difference between a laboratory success and a downstream headache for our customers. Melting point, moisture content, and appearance are all validated right here, lot by lot, before anything ships out.

    What Sets 2-Bibenzylcarboxylic Acid Apart?

    Anyone who handles organic synthesis can spot big, obvious names—benzoic acid, phthalic acid, terephthalic acid. Sometimes, though, the devil lives in less conventional corners. 2-Bibenzylcarboxylic Acid departs from the typical aromatic acids, mainly because of the bibenzyl backbone. The two benzene rings, connected through a methylene bridge and paired with a carboxyl group, behave differently in both reactivity and compatibility. We’ve worked with plenty of customers shifting away from single-ring structures like benzoic acid, aiming for improved stability or altered solubility profiles.

    This compound finds a niche in research and advanced material science. Some partners in pharmaceutical intermediate synthesis have unique requirements—certain properties like bulk hydrophobicity, solid-state stability, or less reactivity under certain conditions. Our production batches routinely serve teams designing new ligands, exploring coordination chemistry, or seeking starting materials for newer active pharmaceutical ingredients. Polymers, UV-active materials, and specialty resins are also emerging arenas, since the bibenzyl structure resists breaking down under typical thermal or oxidative conditions.

    Specifications That Reflect Real-World Needs

    A product’s grade and specification matter less on paper and more in how well it performs in a real process. We see requests for both research-grade and commercial-scale lots, and each time we emphasize the purity. We don’t aim for one-size-fits-all. Our teams have learned to adjust particle size by tuning crystallization, because some users look for fine powders to dissolve quickly, while others prefer coarser crystals for extended release in solid formulations.

    Moisture levels keep coming up—low water content is essential in condensation reactions, especially those catalyzed by organometallics. Consistency across batches comes from our focus on controlled drying, not just numerical targets buried on a certificate of analysis. Melting point tells us a lot about whether a batch will succeed in a pharmaceutical route or fail in a coating application. We sample multiple points per batch and record every reading, never relying on single observations or third-party testing unless circumstances absolutely call for it.

    Real Uses Beyond the Laboratory Bench

    Research chemistry always pushes the frontier forward, but the actual adoption of a compound in manufacturing circles comes down to whether it delivers in process conditions. We see 2-Bibenzylcarboxylic Acid showing up in development of multifunctional ligands for catalysis and building blocks for specialty polymers. Some of our partners crafting advanced electronic materials find its rigidity and resistance to photobleaching handy when preparing additives for organic light-emitting diodes or related devices.

    Engineers working on new polymer classes share feedback that feeds right back into our plant as process improvements. Some emphasize the importance of predictable melting, for adding this molecule into hot-melt production. Others focus on solvent compatibility—customers in coatings and adhesives commonly run small-scale blending tests before ordering at scale. Whenever we see an uptick in requests for custom milling or tailored drying, it’s often due to a new usage trend—the last few years brought more requests from developers aiming to functionalize the molecule for greater crosslink density or introduce new moieties downstream.

    In life sciences, researchers sometimes explore its structure as an intermediate, given the bibenzyl core’s suitability for building pharmacophores. We observe that medicinal chemists typically appreciate quick access to small but critical intermediates without needing to run elaborate protection and deprotection schemes. Our production schedules often flex to supply these teams quickly—a rapid, reliable supply can mean weeks saved on drug discovery projects.

    Comparing 2-Bibenzylcarboxylic Acid to Other Aromatic Acids

    Comparisons with better-known acids can help users explore where 2-Bibenzylcarboxylic Acid shines. Standard benzoic acid delivers simplicity and reactivity, but looking at the substitution pattern, single-ring aromatics tend to have higher volatility and can be more sensitive to oxidative degradation. Terephthalic acid, on the other hand, locks up two carboxyls on a rigid backbone—great for PET synthesis, but less flexible for specialty chemistry requiring custom molecular architectures.

    The distinction becomes clear in hands-on work. We’ve seen users struggling with steric hindrance in substituted benzoic acids, or needing more distance between reactive groups. The bibenzyl bridge in 2-Bibenzylcarboxylic Acid introduces added length and flexibility—making it well-suited as a spacer or for creating bulkier substituents. In contrast to biphenyl carboxylic acids, which rely on a rigid carbon–carbon bond between rings, the methylene bridge in the bibenzyl core opens up new reactivity.

    For those in the field of catalysis or ligand design, structural differences shape performance in metal coordination, binding affinity, and subsequent chemistry. Some teams prefer the spatial arrangement found in bibenzyl systems for tuning selectivity or improving ligand solubility. Our batch records reflect changes in reaction profiles when the customer swaps out simpler acids for our product.

    Common Issues and How We Tackle Them

    Every manufacturing process comes with its bumps. For 2-Bibenzylcarboxylic Acid, one main challenge involves the risk of byproduct formation, especially at scale. Over-oxidation or incomplete coupling steps require close attention in our plant. We monitor every reaction with in-process analytics—TLC, NMR, and chromatography—before the crude intermediate even reaches the purification area. We’ve developed a routine for small-scale tests on impurity profiles before scaling up. These preventive steps help us avoid repeat surprises and keep impurities below strict cutoffs.

    Markets sometimes shift quickly, and sudden demand surges can strain supply lines for critical starting materials. We maintain trusted logistics and backup suppliers for our core inputs. Incoming quality checks follow every lot, not only for our own confidence, but as an ongoing record for our customers’ quality assurance audits. Given the specialized nature of this acid, we don’t cut corners on verification. We keep chain-of-custody transparent and documentation accurate, knowing many of our buyers need traceable proof for regulatory and patent filings.

    Another ongoing issue is shelf-life and storage. 2-Bibenzylcarboxylic Acid stores more reliably under controlled humidity, and we take this into account at packaging. Moisture ingress, if unchecked, leads to caking or slow hydrolysis—not good news for high-performance processes. Our packaging team lines drums and uses tested desiccants, more often than not at customer request but also based on what we’ve learned from our own archives of long-term storage trials.

    Meeting Evolving Industry Standards

    Over the years, regulatory landscapes have grown stricter. We see this in material safety requirements, environmental protections, as well as purity and composition mandates for pharmaceutical intermediates. Our teams have adapted by embedding compliance in every production run. Analytical records follow each batch, and our technical staff regularly update protocols so they track evolving norms.

    Customers in pharmaceuticals expect more than just a product—they rely on full certificates and traceable records. This means analytical data, process details, and storage histories. We share all these, never just the data point on the label. Many buyers carry out their own incoming QC, and the feedback loop this creates lets us tweak our protocols further.

    Downstream, end-users face new quality assurance pressures. To help them keep pace, we provide stability data and impurity trends, not just snapshots. This practical approach comes from experience: chemical processes must be robust, not just theoretically pure.

    Listening to the Real Needs of Users

    Every time a chemist calls asking about minor solubility differences, or a process engineer raises a question about dusting during transfer, we take it seriously. We document user comments, share operational notes, and adjust our instructions or even run minor process tweaks. Years ago, a customer highlighted how a minor polymorphic impurity in their batch caused a slow filtration rate—not a detail found in textbooks. Our staff ran side-by-side crystallizations at different cooling rates and sent samples, ultimately settling on a modified protocol we still follow now.

    Continuous feedback helps us zero in on problems that can’t always be predicted from theory. While analytical chemistry provides the numbers, practical experience from both users and plant workers keeps the production grounded. Requests for custom packaging—from double-lined drums to vacuum-sealed pouches—come directly from field experience, and the difference shows up in less product loss and easier handling.

    We know most end-users focus on tangible benefits: reliable delivery, consistent physical properties, and straightforward documentation. Our technical support staff stays accessible, not only for troubleshooting, but because the questions we receive become the next focus of process improvement.

    Continuous Improvement & Long-Term Perspective

    Manufacturing never stands still, especially in chemicals for research and new materials. Production methods that might have sufficed a decade ago won’t always meet today’s standards. We invest in training, monitoring new scientific literature, and testing. We regularly review our purification and drying approaches against new chromatography and moisture analysis findings.

    Environmental responsibility now brings new demands. Chemical manufacturing uses energy, water, and creates waste. We review our process steps to cut down effluent and solvent use, installing recycling streams wherever feasible. Some improvements come directly from user requests for greener alternative solvents or less resource-intensive purification steps.

    What has kept us in this market is a willingness to adapt. Problems, when they arise, aren’t hidden or waved off. Whether it’s a minor trace impurity or an awkward shipment, every correction strengthens our process. Each gain in purity, yield, or process time means fewer issues for customers and steadier returns for everyone in the supply chain.

    The Direct Manufacturer’s Value: Trust Earned Through Action

    Working directly with us puts customers close to the real production source. Our knowledge is rooted in years spent synthesizing, purifying, packaging, and troubleshooting. Each order we fill builds on prior batches, integrating both our know-how and client feedback. Our technical library combines analytical data, synthesis logs, and experiential lessons from seasoned staff.

    Customers come back not only for products, but because they know the difference between reading about a chemical and seeing it work on their line. The advantages of 2-Bibenzylcarboxylic Acid don’t result only from abstract chemical properties, but from our ability to control every step of its journey. Multi-year relationships with partners matter as much as analytical specs; both keep us pushing to deliver product that stands the test of time and new approaches.

    Being the manufacturer means we don’t just relay data—we build, revise, and re-examine process details so customers get exactly what they expect. When someone brings us a new application or requests a special grade, we answer with the history and flexibility of hands-on production, not just what’s printed in a manual. This cycle, lived out day by day, strengthens real reliability: product you can trust, from a source you know.