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Dibenzosuberol

    • Product Name Dibenzosuberol
    • Alias 10,11-Dihydro-5H-dibenzo[a,d][7]annulen-5-ol
    • Einecs 211-089-5
    • 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
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    Specifications

    HS Code

    270405

    Chemical Name Dibenzosuberol
    Synonyms 10,11-Dihydro-5H-dibenzo[a,d]cyclohepten-5-ol
    Molecular Formula C13H12O
    Molecular Weight 184.24
    Cas Number 1679-45-4
    Appearance White to off-white solid
    Melting Point 132-136°C
    Solubility Slightly soluble in water
    Purity Typically ≥98%
    Storage Temperature 2-8°C
    Smiles OC1C2=CC=CC=C2CCC3=CC=CC=C13
    Inchi InChI=1S/C13H12O/c14-13-8-7-11-5-1-3-9-4-2-6-12(9)10(11)13/h1-6,10,13-14H,7-8H2

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

    Packing & Storage
    Packing Dibenzosuberol, 5 grams, is packaged in a sealed amber glass bottle with a tamper-evident cap and clear labeling for safety.
    Shipping Dibenzosuberol is shipped in tightly sealed containers to prevent contamination and moisture exposure. It should be packed according to relevant chemical safety regulations, typically in protective packaging and labeled clearly. Shipping must comply with local and international hazardous material guidelines, including proper documentation. Store and transport in cool, dry conditions, away from incompatible substances.
    Storage Dibenzosuberol should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizing agents. Keep the container tightly closed when not in use. Protect from direct sunlight and moisture. Ensure proper labeling and secure storage to avoid accidental spills or unauthorized access. Store at room temperature unless otherwise specified by the manufacturer.
    Application of Dibenzosuberol

    Applications of Dibenzosuberol in Industrial Manufacturing

    Dibenzosuberol serves key roles in multiple specialized downstream industrial sectors. As the direct manufacturer, we work closely with formulation engineers and process development teams to ensure material compatibility, compliance, and value in advanced synthesis, precision polymers, and specialty intermediates. Below are primary application fields with in-depth technical guidance for each scenario.

    1. Pharmaceutical Intermediates for Tricyclic Compound Synthesis

    Dibenzosuberol operates as a crucial building block in the manufacturing of advanced pharmaceutical intermediates, especially within the synthesis pathway for tricyclic antidepressants, antipsychotics, and antimuscarinics. Medicinal chemistry applications leverage its structural motifs during multi-step organic synthesis. Its reactivity and purity profile enable tight control over stereochemistry and impurity levels in downstream processes. Partner developers typically stipulate batch traceability, impurity characterization, and robust analytical data packages as part of their technical transfer process.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredient Intermediates
    • EU GMP Part II for Pharmaceutical Raw Materials
    • U.S. FDA 21 CFR 211 (where used in downstream U.S. API manufacture)
    • ISO 9001:2015 Quality Management Systems

    Typical usage ratio

    • 10–30 mol% per reaction step, typically determined by the target molecule’s synthetic route and yield optimization studies
    • Adjustment based on required final purity and process efficiency, established during pilot plant scale-up

    Downstream process integration

    • Introduced during early-stage condensation or cyclization reactions in multi-step batch synthesis
    • Requires controlled addition and process in inert nitrogen atmosphere for sensitive chemistries
    • Integrated into solvent-based reactors, with online HPLC/GC monitoring for intermediate formation
    • Crude intermediate undergoes extraction, crystallization, and successive purification prior to conversion into final API

    Final product types

    • Tricyclic antidepressant drug substances (e.g., amitriptyline, nortriptyline)
    • Pharmaceutical-grade antimuscarinic intermediates
    • Psychoactive compound precursors
    • Specialty fine chemical core fragments for downstream medicinal chemistry

    2. Advanced Organic Electronic Materials

    Dibenzosuberol supports the manufacture of high-purity organic molecules used in OLED display backplanes, organic photovoltaic cells, and organic field-effect transistors. Its unique aromatic backbone assists in engineering efficient charge transport materials and rigid molecular architectures required for microelectronic performance consistency. Partners in electronics demand stringent batch consistency, sub-ppm contaminant levels, and documented impurity profiles based on end-use electronic reliability requirements.

    Industry compliance standards

    • JEITA EIAJ ED-4701 “Testing Methods for Electronic Components”
    • ISO 9001:2015 for Electronics Materials Manufacturing
    • RoHS 2011/65/EU (for final product lead and contaminant content)
    • IPC-4101 for high-purity base chemical inputs

    Typical usage ratio

    • 1–10 wt% within organic semiconductor precursor ink formulations
    • Ratios specified by downstream device electrical performance targets and film casting behavior
    • Purity grades above 99.5% with controlled residual solvent contents

    Downstream process integration

    • Premixed into photoactive ink dispersions for spin-coating or vapor deposition equipment
    • Melting and reprecipitation to produce monodisperse crystals for electronics precursors
    • Quality validated through FTIR, UV-Vis, and DSC in production QC labs
    • Integrated at the organic layer stack-up step for display and cell assembly

    Final product types

    • OLED display light-emitting materials
    • Organic field-effect transistor (OFET) channel precursors
    • Organic photovoltaic (OPV) photoactive layers
    • Electronics-grade organic thin-film sensor components

    3. Specialty Polymers and High-Performance Resins

    Dibenzosuberol contributes rigidity and thermal resistance to the design of specialty copolymers and engineering resins, such as those used in automotive, aerospace, and high-strength consumer goods. Its fused aromatic structure integrates into polymer backbones, resulting in improved dimensional stability and controlled molecular weight distributions. Polymer technologists require detailed reactivity, melt flow, and compatibility data as well as reliable supply for large-volume compounding operations.

    Industry compliance standards

    • ISO 11357 for Differential Scanning Calorimetry in Thermal Analysis of Plastics
    • ASTM D638 for Tensile Properties of Plastics
    • ISO 9001:2015 for Industrial Polymer Compounding
    • UL 94 Flame Retardancy (as part of final resin performance testing)

    Typical usage ratio

    • 2–8 wt% as a comonomer or rigid segment modifier in thermosetting or thermoplastic formulations
    • Tuned based on melt index targets and final mechanical strength requirements

    Downstream process integration

    • Dosed into extruders during compounding with base polymers such as polycarbonates, polyamides, or reactive epoxies
    • Reactive blending at elevated temperatures (typically 220–320°C) under monitored agitation and vacuum for volatiles removal
    • Resin pelletization, moisture conditioning and QC for glass transition and flow properties prior to injection molding
    • Batch records linked with comprehensive analytical data for traceability

    Final product types

    • High-heat resistant automotive plastic housings
    • Precision-molded aerospace component covers
    • Engineering-grade consumer electronic casings
    • Specialty composite matrix resins for industrial tooling

    4. Chemical Synthesis for Agrochemical Active Ingredients

    Dibenzosuberol finds use as a core structural intermediate in fine chemical syntheses routes for specific agrochemical actives, particularly within the category of seed treatment and crop protection agents utilizing polycyclic motifs. Its aromatic framework is favored for facilitating key cyclization and etherification steps. Crop science manufacturers require full regulatory support documentation, impurity profiles, and supply-chain transparency to meet national and international registration demands.

    Industry compliance standards

    • FAO/WHO Specification Guidelines for Pesticide Technical Materials
    • OECD Good Laboratory Practice (GLP) for Analytical and Manufacturing Process Validation
    • REACH Regulation (EC) No. 1907/2006 for use and registration in the EU
    • ISO 9001:2015 for Agrochemical Intermediates Production

    Typical usage ratio

    • 15–25 mol% per synthesis batch, refined through iterative pilot scale optimization for new agrochemical molecules
    • Adjusted per specific structural analog requirements in active ingredient synthesis protocols

    Downstream process integration

    • Incorporated during early etherification or cyclization stages for seed treatment and crop preservation actives
    • Used as a primary reactant in solvent-based condensation under controlled temperature and inert gas blanketing
    • Intermediate isolated and transferred through dedicated piping or GMP-compliant containers to next-stage plants
    • Full analytical verification prior to agrochemical API production

    Final product types

    • Seed dressing concentrate actives
    • Foliar spray active ingredient bases
    • Soil treatment chemical cores
    • Precursor fragments for proprietary new crop protection molecules
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    Certification & Compliance
    More Introduction

    Dibenzosuberol: A Closer Look at Its Uses, Craft, and Value in Chemical Manufacturing

    Introduction to Dibenzosuberol Manufacturing

    Few compounds reflect the pride and precision in organic specialty manufacturing like dibenzosuberol. Our team has spent years perfecting the synthesis and refining the crystallization process, always striving for cleaner yields, tighter batch control, and safer handling. Making dibenzosuberol isn’t just about chemical reactions — it’s about a steady focus at every stage, from material sourcing to the last filter. Over countless runs, we’ve learned where bottlenecks hide, what raw materials deliver the cleanest outputs, and which tweaks save hours in purification. Each lot isn’t just a product — it’s a result of real-world manufacturing know-how and deep respect for our partners in the fine chemical and pharmaceutical research fields.

    Our Model and Typical Specifications

    Our standard batches of dibenzosuberol align with rigorous internal benchmarks covering purity, crystalline structure, and moisture limits. We break down quality not just by chemical assay, but also by what real-world researchers care about — consistent solubility, easy filtration, and reproducible melting ranges. You won’t find vague claims here. We work daily with lot-based HPLC readings, NMR checks for structural clarity, and hands-on inspection of every batch. Impurity profiles take center stage. We invest heavily in new purification media that bring residual solvents far below global norms, an area where many others cut corners but which directly affects downstream syntheses.

    Inspecting a batch of our product, you’ll see bright, uniform crystals with a defined, sharp melting point and a persistent dry feel, even under heavier storage. This tells you we’ve chased the last traces of mother liquor and moisture with dedication. Each sample's documentation includes a full spectral package, and our facility audits also ensure no cross-contamination with similar aromatic intermediates.

    Using Dibenzosuberol in Practice

    Researchers and synthesis chemists often approach us for dibenzosuberol due to its value as a robust building block. In medicinal chemistry, its rigid tricyclic backbone paves the way for advanced ligand design, especially in CNS and receptor-focused drug studies. Research into antipsychotic and neuroactive compounds frequently turns to dibenzosuberol as a scaffold. In real-world practice, the clarity of the starting material makes a substantial difference, reducing the need for laborious pre-cleans and avoiding unexpected side products down the line.

    Outside pharmaceuticals, its chemical stability opens the door for studies in advanced materials, especially polymer architectures and electronically active frameworks. Our customers share that reaction predictability is the main advantage. Routine handling is stress-free — minimal dusting, and the substance handles mild heat or moisture without caking, so it keeps its flow even in humid seasons.

    Everyday Challenges and Hard-Won Solutions

    There are unique hurdles in producing dibenzosuberol at scale. For one, the multi-step synthesis and careful hydrogenation stages mean you can’t cut corners during reaction quenching or washing. Our operators learned this at the bench, the hard way. Early in our history, we saw a whole batch collapse due to trace oxidants left from an ill-timed filter swap. That loss taught us the value of redundant sensors and the need for staggered equipment cleaning.

    Reproducibility matters most. We manage crystallization rates down to minute temperature and agitation shifts, not simply to check a box, but because subtle changes in cooling speed impact not just appearance but future reactivity and even the product’s ability to dissolve on scale. Tackling inconsistencies took months of fine-tuning. We upgraded jackets, rebalanced impeller positions, and re-trained our operators on mid-batch sampling. These tweaks eliminated most lot-to-lot surprises.

    Washing steps separate top-tier dibenzosuberol from serviceable intermediates. Insufficient solvent exchanges leave stubborn impurities. We invested in in-line monitoring, letting us cut each wash precisely when conductivity hits a set threshold. For final drying, we shifted from basic oven methods to controlled-vacuum drying, which prevents the slow buildup of fines and ensures each granule remains free-flowing and non-clumping right to delivery. Any operator who’s ever wrestled with clumping in a drum on a humid day knows how much this matters in production.

    Why Dibenzosuberol Is More Than a Commodity

    Customers sometimes ask about comparative value: what sets one manufacturer’s dibenzosuberol apart from another’s, or from related tricyclics? We know chemistry on paper doesn’t always translate to chemistry in the flask. Dibenzosuberol holds up under scrutiny because its known reactivity and stability enable ambitious modifications that trickier substrates can’t offer. Having spent years collaborating directly with process chemists, we recognize the value of a starting material that behaves consistently, even across different reaction protocols. You notice the difference when scaling up a gram-scale reaction to kilogram runs — reproducibility saves time, cuts costs, and keeps research schedules on track.

    Choosing between dibenzosuberol and other tricyclic intermediates often comes down to more than just price or purity spec. We've seen applications where alternative compounds, such as dibenzosuberane derivatives or tetrahydroanthracenes, provide some of the same backbone rigidity. But these alternatives frequently lack solubility or produce unwanted byproducts during alkylation and halogenation steps. For projects that demand reliability in transforming the aromatic core with further substitutions, our customers tell us dibenzosuberol consistently outperforms. The unique arrangement of its fused rings and single hydroxyl group makes the chemistry straighter, reducing unexpected fork points in stepwise syntheses.

    On the downstream side, we find that dibenzosuberol’s stability during storage makes it easier to manage long-term inventories. While other products develop color over time or lose their integrity under normal warehouse conditions, our dibenzosuberol maintains a crisp visual purity and stays free from odorous degradation, even after months on the shelf. Practical improvements in batch size and storage conditions arose from reading the logs of real warehouse managers, not just copying best practices out of a handbook.

    What Experience Teaches That Data Sheets Don’t

    Every veteran in a production facility knows that specs on a sheet and performance in a reactor don’t always align. Our journey with dibenzosuberol taught us that tiny variabilities in input material — a small variation in the grade of benzene or sodium used in the earliest step — show up weeks later as inconsistencies in yield or color. We began implementing stricter checks at receipt of all inputs, running frequent micro-scale trial reactions before launching full-size production. This way, we catch off-spec input batches before they cost days of work downstream.

    Another point only experience can show: the effect of environmental controls. Shifts in ambient temperature and humidity influence both crystallization and drying outcomes. Early batches sometimes clumped or developed faint coloration. Continuous monitoring and quicker transitions between process steps solved these problems — closing the gap between last wash and drying, fine-tuning the drying profile based on weekly weather readings, and scheduling nighttime operations to avoid midday temperature swings.

    Health, safety, and environmental stewardship run through every decision. We replace aggressive solvents wherever process chemistry allows it, not just to tick compliance boxes but because solvent handling exposes teams to real risks day after day. Product quality is tied to cleaner air and less hazardous waste. Our facility has phased in safer work practices: closed systems, improved exhaust filtration, and extensive operator credentialing. The end result is safer dibenzosuberol production, with batches of unmatched purity, and a workforce confident in both their craft and workplace safety.

    Field Experiences: Talking With Our Customers

    The best insights about dibenzosuberol come straight from researchers’ benches. Our long-time partners in academia and process development regularly send back real-world feedback. We hear stories of complex synthesis routes made easier by the compound’s stability, lower byproduct burdens during reduction steps, and minimal reprocessing before project milestones. In scale-up settings, teams tell us that our lot documentation makes regulatory prep simpler, matching up batch identifiers with every analytical run and sample archive, whether for filings or future returns to a synthesis path.

    We’ve learned that practical issues matter more than theoretical ones in these collaborations. For instance, minor differences in the lot’s color or flowability often act as an early warning of potential issues with subsequent coupling chemistry. Individual observations inform not only our next batch’s cleaning and monitoring but also our design of storage and transport solutions. We provide packaging based on end-user advice — larger drums for process chemists, smaller containers for research labs demanding frequent rotation.

    Customers consistently mention the value of reliable lead time. Delivery delays disrupt tightly planned projects, so we’ve built redundancy into our scheduling and logistics. Our old approach of batch-by-batch shipping sometimes created pinch points. Now, by forecasting based on short-term demand, we keep reserve lots in climate-controlled storage, ready for immediate call-off, helping our partners stay agile in their own workflows.

    Solutions to Persistent Industry Problems

    The chemical supply chain faces continuing pressure, from shifting regulations to fluctuations in raw materials. Experienced manufacturers know the hazards of overreliance on a single supplier for critical precursors. During global shortages, we’ve had to pivot quickly — qualifying alternative suppliers, retooling our purification methods, and running back-to-back validation runs to guarantee the lot-to-lot consistency that R&D and production require.

    For researchers and buyers, another pain point often stands out: unclear or slow answers to technical questions. We make a point to connect our production chemists directly with our technical support teams. This way, if a client needs advice on solvent compatibility or encounters an unexpected impurity during further derivatization, the answer is rooted in direct production knowledge, not filtered through generic responses.

    In terms of sustainability, we continually audit waste streams and invest in closed-loop solvent recovery for dibenzosuberol manufacturing. This reduces both cost and environmental footprint, a shared concern among our largest customers as well as small research outfits. Researchers have highlighted the benefit of our batch-specific certificates, which detail handling and storage conditions and don’t just repeat stock regulatory language. These notes draw from actual post-market experience on stability under various storage setups.

    Dibenzosuberol’s Role Across Industries

    Dibenzosuberol doesn’t just serve one narrow field. Drug discovery, advanced material science, fine fragrance intermediates, even certain agrochemical applications draw on its unique chemistry. Our technical team tracks new literature and patents, staying current with how top labs and industry leaders deploy this versatile building block. We’ve seen dibenzosuberol function both as a key intermediate and as a precursor to advanced ligands and dyes.

    Its single hydroxyl group and stiff tricyclic core provide platforms for creative derivatization. We tailor lot sizes and documentation for each customer type — small research groups want fast delivery and absolute confidence in batch-to-batch performance, while formulators and process chemists often need guaranteed reserves and deeper technical support regarding scale-up protocols.

    Common substitutes exist, but many involve trade-offs. Analogues with similar ring systems tend to lag in solubility or generate persistent impurities at scale. Customer feedback points us toward ongoing process improvements and pushes us to offer more targeted grades for specialized synthesis, including those focused on optoelectronic materials or advanced polymers.

    Innovation, Quality, and Partnership

    What sets a true manufacturer’s product apart is accountability at every level. Our plant runs regular process walk-throughs and encourages line operators and R&D staff to collaborate on every new process update. We share real-time feedback — not just on yield, but on ease of handling. Questions from customers about solubility, scalability, and compatibility get direct answers from the people who run the reactors and test the batches, not from generic templates.

    Years of engagement with partners guide our continued investments in quality. We regularly upgrade analytical instrumentation, expand SOP training, and host knowledge-sharing sessions across teams. This growth not only improves product but also strengthens every customer relationship.

    The journey with dibenzosuberol is far from static. Our team searches for ways to further drive down impurity levels, shrink time-to-delivery, and expand applications, all informed by practical experience in the plant and the laboratory. We welcome feedback, both as a challenge to improve and as a sign of the partnership at the core of specialty chemical manufacturing.