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2,2-Difluorobenzodioxole-5-Carboxylic Acid

    • Product Name 2,2-Difluorobenzodioxole-5-Carboxylic Acid
    • Alias DFBzOC-5-COOH
    • Einecs 821-734-7
    • 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

    556738

    Product Name 2,2-Difluorobenzodioxole-5-Carboxylic Acid
    Cas Number 170473-83-9
    Molecular Formula C8H4F2O4
    Molecular Weight 202.11
    Appearance White to off-white solid
    Melting Point 160-164°C
    Purity ≥98%
    Synonyms 5-Carboxy-2,2-difluoro-1,3-benzodioxole
    Smiles C1=CC2=C(C=C1C(=O)O)OC(O2)(F)F
    Solubility Slightly soluble in water; soluble in organic solvents
    Storage Temperature Store at 2-8°C
    Hazard Statements May cause respiratory irritation
    Inchi InChI=1S/C8H4F2O4/c9-8(10)13-6-2-1-4(7(11)12)3-5(6)14-8/h1-3H,(H,11,12)

    As an accredited 2,2-Difluorobenzodioxole-5-Carboxylic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing White plastic screw-cap bottle labeled "2,2-Difluorobenzodioxole-5-Carboxylic Acid, 5 grams, for research use, CAS: 328-96-7."
    Shipping 2,2-Difluorobenzodioxole-5-Carboxylic Acid is shipped in a tightly sealed container to prevent moisture or contamination. It is packed with appropriate cushioning, labeled according to chemical handling regulations, and includes a safety data sheet (SDS). The package complies with all relevant local and international chemical transportation guidelines.
    Storage 2,2-Difluorobenzodioxole-5-Carboxylic Acid should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong bases and oxidizers. Protect from moisture and direct sunlight. Store at room temperature or as recommended by the manufacturer, ensuring the container is labeled properly to prevent accidental misuse or exposure.
    Application of 2,2-Difluorobenzodioxole-5-Carboxylic Acid

    Applications of 2,2-Difluorobenzodioxole-5-Carboxylic Acid in Industrial Manufacturing

    2,2-Difluorobenzodioxole-5-Carboxylic Acid finds practical use as an advanced fluorinated aromatic intermediate across several industrial sectors. Below, our application team details main downstream integration scenarios, with each section reflecting actual customer requirements in specialty chemicals, regulated pharmaceuticals, and high-end material synthesis. All information is based on our direct supply partnerships with regional production plants, including compliance, proportioning, process steps and final product output.

    1. Pharmaceutical Active Ingredient Synthesis

    Pharmaceutical manufacturers require high-purity fluorinated benzoic acid derivatives as key building blocks for new drug molecules, particularly in the design of anti-infective and anticancer APIs. This material enters targeted alkylation, amidation, or condensation pathways for synthesizing molecular fragments that benefit from fluorine’s impact on bioavailability and metabolic stability.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP-NF (United States Pharmacopeia – National Formulary) monographs as applicable
    • EU GMP Part II (Pharmaceutical APIs)
    • Chemical Registration under REACH (EC No. 1907/2006)

    Typical usage ratio

    • Reaction-mass integration levels from 1% to 6% w/w, defined by stoichiometry in final API structure and step-wise process yield targets. The addition amount is calculated per process batch scale based on desired conversion rates.

    Downstream process integration

    • Material charged after initial amino-protection and activation steps, processed through controlled heating and pH-adjusted condensation using high-performance liquid phase reactors configured for cGMP synthesis environments.

    Final product types

    • Small molecule anticancer drugs (investigational and commercial)
    • Fluorinated anti-infective pharmaceutical actives
    • Patented CNS-targeted API candidates

    2. Agrochemical Intermediate Manufacturing

    The agrochemical industry integrates this compound as a specialty fluorinated domain for synthesizing selected herbicide and insecticide active ingredients, where the fluorine atoms contribute to environmental persistence and target selectivity. Our supply is used in chlorination and cross-coupling steps in active ingredient production lines at established crop protection plants.

    Industry compliance standards

    • ISO 9001:2015 Quality Management for Crop Protection Chemicals
    • FAO/WHO Specifications for Pesticide Actives
    • National Registrations: EPA (USA) FIFRA Section 3; China ICAMA
    • EU Regulation (EC) No 1107/2009 on Placing Plant Protection Products on the Market

    Typical usage ratio

    • Integration levels between 0.5% and 3% w/w in multistep synthesis sequences, with precise usage determined by molecular structure of the target agrochemical and specific yield improvement studies at pilot scale.

    Downstream process integration

    • Material introduced post-initial fluorination, serving as a carboxy-activated coupling partner in Suzuki-Miyaura or other catalyst-driven reactions; work-up includes filtration, washing and isolation ahead of formulation blending.

    Final product types

    • Herbicide technical concentrates based on difluorinated motifs
    • Off-patent insecticide intermediates for pyrazole or pyridine ring construction
    • Final plant protection active ingredients for granule, SC and EC formulations

    3. Advanced Polymer Monomer Production

    Polymer synthesis companies require functionalized fluorinated aromatics for development of high-performance engineering plastics and specialty coatings, utilizing the raw material as a monomer precursor during ring-opening copolymerization and esterification reactions. The resulting polymers show enhanced dielectric properties and resistance to chemicals for electronics and aerospace products.

    Industry compliance standards

    • ISO 9001:2015 Quality Management for Chemical Manufacturing
    • RoHS (Restriction of Hazardous Substances) Compliance in Electronics
    • UL 94 for Flammability of Plastic Materials
    • REACH (EC 1907/2006)

    Typical usage ratio

    • Loading at 2%–10% w/w in prepolymer blend, tuned to the required chain length and dielectric profile of the finished plastic or coating material. Adjustments based on formulation compatibility and process viscosity.

    Downstream process integration

    • Used during initial charge to the polycondensation reactor or fed in dosing stages; participates in controlled molecular weight build-up while maintaining demanding thermal and purity conditions throughout the production line.

    Final product types

    • Fluorinated polyarylate resins for circuit substrates
    • Specialty copolyesters for medical device housings
    • Anti-corrosive industrial coating intermediates

    4. Fine Chemical Building Block Supply for Custom Synthesis

    Specialty and contract manufacturers source this material as a fine chemical building block for synthesizing new small molecules and reference standards, where the fixed difluoro aromatic structure enables exploration of novel derivatives in development-stage laboratories. Our technical support ensures documentation and handling support for regulated laboratory contexts.

    Industry compliance standards

    • ISO 17034 Reference Material Producer Accreditation
    • ISO/IEC 17025 Laboratory Accreditation where applicable
    • Chemical hazard classification by GHS/CLP
    • Material documented per applicable Safe Handling Data Sheet (SDS)

    Typical usage ratio

    • Dosing from 0.2 mmol to 10 mmol scale in multi-step synthesis, planned by research chemists as per reaction design. Batch quantity determined by the target molecule’s required yield and downstream assay demands.

    Downstream process integration

    • Charged during nucleophilic aromatic substitution or carboxyl activation for modular assembly; processed with controlled temperature and analytical verification at each step for development or custom catalog production.

    Final product types

    • Reference standards for HPLC, GC analysis
    • Custom fluorinated small molecules for early-stage research
    • Unique aromatic building blocks for lead compound libraries
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    Certification & Compliance
    More Introduction

    2,2-Difluorobenzodioxole-5-Carboxylic Acid: Innovation from Direct Manufacturing

    A Product Born from Persistent R&D

    As a direct manufacturer, every specialty molecule represents a milestone. Years back, we set out to produce 2,2-Difluorobenzodioxole-5-Carboxylic Acid through a process that balanced cost, consistency, and purity. The market demanded reliable supply for advanced material synthesis, and standard commercial stocks didn’t answer the call for high-end quality or consistent performance batch-to-batch. Early on, our pilot team worked through multiple approaches, customizing reactor configuration, and optimizing temperatures to stabilize the difluoro motif, so sensitive to oxygen ingress. Our focus sharpened on multi-step validation, not just for analytical compliance but for downstream reaction predictability in scale-up. Daily work blended theory and stubborn real-world troubleshooting. Each refinement—both in batch size and chromatographic recovery—translated into a better, more traceable molecule for our customers.

    The Key Structural Advantages

    Back in the synthesis lab, it's easy to spot when a molecule stands out. The 2,2-Difluorobenzodioxole group resists a lot of unwanted side reactions because the electron-withdrawing nature of the two fluorines alters reaction dynamics on the aromatic ring. You see the difference during scale-up: yields climb, and the need for time-consuming purifications drops. The carboxylic acid group holds anchor for derivatization, connecting smoothly into subsequent steps like amidation or esterification. These structural qualities matter in pharma intermediate manufacture and advanced agrochemical development, where reactive site integrity translates directly into downstream product quality and cost control.

    Specifications You Can Depend On

    In our warehouses, stock rotates in batches, not as bulk from third parties but through in-house schedules aligned with customer timelines. Batches leave the plant only after repeated HPLC and NMR checks, always verified against reference standards—not just COA paperwork. We keep purity at 98% or better as routine, after discovering early how sensitive catalytic coupling steps are to traces of unreacted mono- and trifluorinated analogs. Moisture level controls remain strict, since handling requirements downstream (especially in peptide synthesis) depend on dry, solid material for reproducibility. Our process routes include both solution-phase and solid-phase crystallization, each serviced by dedicated reactors. We have seen how inconsistent drying alters melting points or causes local hydrolysis, resulting in hours lost for our partners. Direct control over packaging, including the anti-static liners and nitrogen-flushed drums, comes built into our routine. Experience taught us that one compromised drum in a shipment can set off process failures stretching through multiple sites.

    Difference Lies in Control and Accountability

    Other companies sometimes offer blends, technical grades, or repacked lots sourced from unknown locations. We only release direct-from-line product, no relabeling or aggregating from external warehouses. Customers have traced paperwork back to us for over a decade, following every container from reactor to final transit. This matters most with 2,2-Difluorobenzodioxole-5-Carboxylic Acid, as impurity traces can carry through into API or catalyst lots where tolerances run tight. We regularly audit our own lines: full logbooks, calibration records for analytical instruments, and mandatory impurity profiling accompany every stock number. If feedback flags an outlier, investigation starts on the floor—hands-on—never deferred to third parties.

    Transforming End-Use Chemistry

    Synthetic access to the difluorobenzodioxole system was once a hurdle. The difluorinated ring system, compared to non-fluorinated counterparts, changes physicochemical properties in the finished molecules—a difference critical to research teams in pharma, materials science, and crop protection. Beyond papers, we see this every day when customers report shifts in partition coefficients, metabolic stability, or binding selectivity. Technologies relying on high-precision building blocks—OLED screens, next-generation herbicides, kinase inhibitors—stake performance and patentability on these subtle changes. A tight supply chain for the carboxylic acid means no project delays, streamlined route scouting, and more predictable IP portfolios for those who depend on consistent upstream chemistry.

    Usage and Practical Impact

    Biologics, small-molecule pharma, electronics, and crop science—each sector demands fluoroaromatics that don't fall short in subsequent coupling steps or under variable temperature handling. Our acid lands in reaction vessels destined for high-throughput parallel syntheses, library construction, or single-candidate scale-up. Purity feeds into process efficiency, cutting filtration steps and raw material loss downstream. Historically, QC specialists from customer sites have visited us, running parallel assays alongside our team using their own columns and solvents, cementing trust through open data-sharing. This hands-on collaboration wasn’t born of marketing—it traces back to our commitment to clarity at batch-level, essential for those exploring patentable analogs or troubleshooting synthetic bottlenecks.

    Progress through Manufacturing Feedback

    Nothing replaces direct feedback from chemists. After an early rollout, we learned one customer had recurring filter clogging from trace polymeric impurities. Our batch records already included inline filtration logs, so we traced the glitch to an early wash sequence in the isolation stage. Updating a single wash step, we brought the issue under control, saving time for everyone downstream. Several years on, no similar problems cropped up. That’s the real difference manufacturer oversight makes: changing a process means rolling it out across every vessel, every operator, every shift. We use audits, internal reviews, and regular customer calls to stay ahead of emerging needs—adapting our protocols before problems show up at the user level.

    Why This Matters Now

    Supply chain pressures have become routine news, but years before headlines, our teams already adjusted sourcing, redundancy, and capacity on the production floor. Direct control secures not just current supply but long-term formulation flexibility for the labs that depend on us. We hold extra packaging on hand, work ahead of seasonal shutdowns, and maintain cross-trained personnel for any swing in production volume. This resilience echoes in customer timelines: no lapses, no answering to warehouse bottlenecks, no fingerprinting unknown suppliers. The trust built grows out of this stability. Chemists can press forward on development, always knowing where the core acid originates and how it was handled.

    Environmental, Health, and Traceability Considerations

    Environmental responsibility grows from direct observation and adapting our protocols. Our facility recycles solvents in closed loops, minimizing airborne emissions and tank sludge. In daily work, operators handle every lot under clearly marked MSDS guidance, with ventilation and training standards regularly reviewed by third-party safety consultants. Traceability links every drum to its actual production day, with batch numbers printed next to QR codes that retrieve all records from reaction initiation to post-shipment customer support. We lead regular drills, not just for compliance, but to keep safety rooted in actual practice. Unannounced inspections have never found significant deviation from process, and every return or complaint gets logged for both technical and EH&S teams to review.

    Learning from the Field—Continuous Adaptation

    We learn as much from our customers as from the science. Requests for special granulometry, altered moisture specs, or incremental batch sizes often reach our operators before they become industry norms. We keep small-scale lines ready for trial requests and scale them only after customer validation, always using the same monitoring standards as our main production. Someone once needed the acid at half-standard particle size. Instead of using off-the-shelf milling, we reconfigured drying to produce the desired granule, tested for compressibility, and shared all results. We never shortcut on purity, whatever the customization.

    Difference from Other Manufacturers and Offerings

    Years in the chemical markets show you every shortcut and substitute that outfits take. Many repack, blend, or dilute materials from mixed origins—practices that don’t fly when your molecule’s fate is a GMP plant or regulatory panel. Our record speaks through long-term customer continuity: researchers and purchasers alike know each inquiry brings direct access to our technical team, not a generic customer service chain. They see specification sheets grown from real runs, not just ideal numbers on a screen. Batches ship with full trace, empirical control data, and impurity profiles reflecting today's line—not last quarter's batch. It’s the sum of these controls, checks, and human conversations that set us apart.

    Ongoing Quality and Regulatory Engagement

    Regulatory requirements keep moving, and so do the standards we apply in-house. Every main product, including 2,2-Difluorobenzodioxole-5-Carboxylic Acid, sits on a compliance roster for REACH, TSCA, and local mandates. We review every substance-specific dossier with regulatory partners, logging all test results, process modifications, and raw material origins. Customer audits are open-door, not managed on paper. This hands-on transparency lets partners comfortably integrate our acids into dossiers, DMFs, and global filings. If a spec changes—for instance, allowable impurity or storage conditions—we update all documentation, never leaving changes undocumented or uncommunicated. Years of experience proved that these efforts make all the difference during inspections or partner reviews.

    Supporting Advanced Research and Scale-Up

    As scale-up happens in discovery or pilot settings, our acids serve as the backbone for innovation. We routinely partner with R&D chemists designing new motifs, offering not only bulk lots but real-time feedback on product performance—solubility, reactivity, or handling in unusual solvents. Research teams often request sample splits from multiple batches for pre-formulation trials. Our lines stay flexible, producing both exploratory and full-scale amounts with matching quality and documentation. This support extends to packaging—custom bags, drums, or ampoules as needed to match stability or process flows. Direct relationships with our floor experts mean note-sharing happens instantly, not through layers of intermediaries.

    Customer-Centered Philosophy

    Direct manufacturing means more than just output. We keep every customer informed—shipping schedules, analytical updates, even anticipated stock swings—often based on their project forecasts. Instead of generic alerts, we share personal notes or advance reminders, so no delay interrupts development. Customers involved with critical timelines, NDAs, or regulatory filings get advanced lot reservations, never having to chase stock at the last minute. For us, “supply” means peace of mind built on our understanding of both chemistry and project management.

    Reliability as a Daily Practice

    Many promises drift toward marketing slogans, but in plant operations, reliability is measured in satisfied teams, consistent output, and transparent communication. Daily logs, hands-on management, and real-time troubleshooting shape our service style. We measure results by customer retention, decade-long partnerships, and year-on-year consistency in reviews. Our team bends effort toward not just meeting but anticipating requests, delivering the backbone molecule for cutting-edge chemistry with one unbroken chain of responsibility.

    Conclusion: Excellence Grounded in Real-World Needs

    The market for advanced intermediates has no place for shortcuts. 2,2-Difluorobenzodioxole-5-Carboxylic Acid stands as proof: every lot benefits from the cumulative expertise of our chemists, engineers, and project leads. Between robust analytical practice, honest dialogue with customers, and constant process improvement, we deliver more than a molecule—we offer confidence at the start of every reaction. Our journey is ongoing: every request for custom spec, every insight from the floor, and each project milestone from our partners gives new direction. Direct manufacturing shapes not just our product, but the future of specialty chemistry—one batch, and one conversation, at a time.