|
HS Code |
887261 |
| name | 4-Biphenylyl |
| molecular_formula | C12H9 |
| molar_mass | 153.20 g/mol |
| appearance | White to pale yellow crystalline solid |
| melting_point | 68-70 °C |
| boiling_point | 276-278 °C |
| density | 1.0 g/cm³ |
| solubility_in_water | Insoluble |
| structure_type | Aromatic hydrocarbon |
| CAS_number | 92-52-4 |
As an accredited 4-biphenylyl factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The 4-biphenylyl chemical is packaged in a 25-gram amber glass bottle with a secure screw cap and tamper-evident seal. |
| Shipping | **Shipping Description for 4-Biphenylyl:** 4-Biphenylyl is shipped in tightly sealed containers, protected from light and moisture. The chemical should be labeled appropriately and transported according to standard regulations for organic solids. Ensure packaging prevents leaks or spills; handle with care to avoid damage during transit. Follow all local, national, and international shipping guidelines. |
| Storage | 4-Biphenylyl (4-phenylphenyl) should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible materials such as strong oxidizers. Protect it from moisture and direct sunlight. Ensure proper labeling, and store at room temperature. Follow all relevant safety guidelines and local regulations for storage of organic chemicals. |
Applications of 4-biphenylyl in Industrial ManufacturingWe produce 4-biphenylyl to meet rigorous industrial quality requirements for advanced manufacturing sectors. The unique chemical properties of 4-biphenylyl support high-value processes in areas from liquid crystal synthesis to high-performance polymer modification. The following sections outline specific application fields, with manufacturing details, usage guidance, and compliance information for B2B customers seeking secure supply and technical consistency. 1. Liquid Crystal Intermediate for Display Technologies4-biphenylyl serves as a foundational intermediate in the synthesis of high-purity liquid crystals used in screen panels and optoelectronics. Manufacturers integrate the compound into multi-step organic syntheses forming core mesogenic structures for nematic and smectic phase displays. Stringent raw material specifications reduce ionic contamination potential and support precise color and electrical response requirements in electronic displays. Final production steps emphasize maintaining lot-to-lot consistency and traceability throughout upstream and downstream processing. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
2. High-Performance Polymer ModificationChemical producers adopt 4-biphenylyl as a comonomer or end-functional modifier in specialty polymers, notably in the production of thermotropic liquid crystal polymers (LCPs) and high glass transition temperature engineering resins. This aromatic backbone improves rigidity, flame-resistance, and mechanical retention. Integration protocols focus on precise monomer ratios and real-time process monitoring to ensure targeted polymer chain architecture and molecular weight consistency for technical plastics used in automotive and electronics. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
3. Pharmaceutical Intermediate in Antihistamine SynthesisPharmaceutical synthesis employs 4-biphenylyl as an essential intermediate in the production of second-generation antihistamines, including cetirizine-structured APIs. The aromatic system allows for controlled transition to target functional groups by established Friedel–Crafts alkylation and amination steps. Manufacturers control parameters such as reagent stoichiometry and impurity profile to meet compendial specifications and batch validation under cGMP environments. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
4. Dye and Pigment Precursor for Colorant ManufacturingIn the dye industry, formulators utilize 4-biphenylyl as a precursor for synthesizing high-purity organic pigments, particularly for producing anthraquinone and azobenzene structures. Its stable aromatic core promotes brightness and lightfastness in end-use textiles and coatings. Process control emphasizes reaction completeness and color index reproducibility, essential for industrial colorant houses supplying automotive, architectural, and textile sectors. Downstream, stringent batch testing supports customer certification protocols for light stability and toxicity. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
|
Competitive 4-biphenylyl prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.
We will respond to you as soon as possible.
Tel: +8615371019725
Email: admin@sinochem-nanjing.com
Flexible payment, competitive price, premium service - Inquire now!
4-Biphenylyl, known in chemical circles as 4-Phenylbiphenyl or simply as a biphenyl derivative, has become an indispensable raw material across multiple industries. In our production facility, we synthesize 4-biphenylyl through careful processes involving controlled Suzuki coupling reactions. Purity, particle distribution, and moisture content undergo constant monitoring—not out of routine, but from direct experience in fielding differences that affect downstream performance.
The white crystalline powder of our standard model, referenced in production as 4-BP-2024, consistently registers at a purity of over 99.5% by HPLC. Residual solvents remain below industry standard detection limits, reflecting real diligence throughout our purification processes. Melting point remains sharp—between 165 and 167°C—attesting to our controls against co-crystallization and process contamination. Particle sizing, evaluated by laser diffraction, supports ease of handling both for bulk polymerizations and custom synthesis requests.
Batches start with verified aromatic sources and catalysts from vetted global suppliers. Each incoming drum gets tested not only by certificates, but by hands-on inspection and spectral checks. Everything from storage humidity to packaging protocol receives consideration, since we learned early that biphenyls are sensitive to atmospheric moisture and even trace oxidants. Many first-time formulators underestimate purity's impact on yield or color bodies produced when scaling up, so we’ve set the bar higher than regulatory minimums.
From experience working with both start-ups and legacy firms, we’ve seen how inconsistencies in 4-biphenylyl can halt a batch or lead to off-spec features in polymers and advanced materials. Some suppliers skimp on repeated recrystallization, causing lower clarity and more stubborn particulate fragments. That’s why every lot receives full QC profiling, including FTIR and GC-MS characterization, so unexpected signals or impurities never surprise anyone downstream.
Competing products on the market often show yellowish overtones or faint odor due to incomplete washing and solvent residue. Those details matter in liquid crystal displays and high-grade intermediates. For clients synthesizing OLED materials, we protect every batch from light and oxygen exposure. It is not just a technical formality—cut corners at any step reflect clearly in device lifetimes or response rates, which we witnessed in clients’ own comparative test runs.
Our 4-biphenylyl finds a home in high-demand areas—organic synthesis, photoconductive polymers, specialty coatings, and electronic displays. For many, the compound serves as an intermediate for pharmaceuticals or agrochemicals. In these sectors, a single point deviation—for example, a rise in isomeric impurities—can ruin an entire product cycle or introduce unwanted biological response.
We monitor batch-to-batch consistency through spectral fingerprints. Chemists who depend on reproducibility have sent feedback, noting no measurable drift in spectral peaks or high-volatility components over multi-year supply programs. Even our larger industrial users, with annual draws reaching metric tons, have pointed out less fouling in reactors thanks to our product’s lower trace metal and residue burden.
In the world of specialty chemicals, hitting 99% purity does not always suffice. We push further, aiming to minimize all assay variables. We remember one polymer manufacturer who found a 0.5% unknown peak caused pigmentation issues—something our own internal screens had flagged, saving that client costly reformulation. Afterward, both our teams collaborated to dial in the right level of crystallization—avoiding both dust fines and chunky aggregates that interfere with dosing in high-throughput reactors.
Our internal protocols now include testing for trace halogens, sulfur, and nitrogen compounds—any of which can sabotage final performance. When a customer working in thin-film transistor production wanted ultra-low sodium content, for instance, we altered our purification and rinsing steps, resulting in a product certified at under 2 ppm—something few suppliers prioritize unless challenged by demanding end-users.
We’ve experimented with various solvents and blend conditions, uncovering ways to maximize dissolution rates. In the lab, 4-biphenylyl dissolves readily in THF, DCM, and hot toluene, but exact solubility curves shift based on all upstream particulars—factors often glossed over in technical papers or by traders reading off translated data sheets. Critical for engineers scaling up, our bespoke solubility reports draw on thousands of in-house tests, guiding users through safe and accurate solution preparations.
Physical handling matters as well. While competitors sometimes ship loosely capped drums, risking moisture ingress, each drum leaving our facility is nitrogen-purged, double bagged, and heat-sealed. No one at the receiving dock gets stuck with a clumpy, partially hydrolyzed product. We’ve learned from experience—once a customer reported a sticky, bridged powder from an overseas broker, leading us to redesign our anti-static and humidity-control packaging lines.
We believe difference comes from embedded learning. We’re not just selling a specification—we are contributing to customer workflows at each step. Through long collaborations, we have built up a history of solving problems typical of high-end materials synthesis. Examples include providing micro-lot customizations for research organizations, keeping oddball solvents and impurity profiles to precise customer specs, and doing so on a timescale that matches real project timelines.
A frequent misconception out there is that all 4-biphenylyl is the same, no matter the producer. Yet industrial processes are sensitive. Stable phase changes, shelf life, and compatibility with downstream coupling reactions depend on more than just hitting a generic purity target. Long-chain aromatics act as contaminant sponges if mishandled, something our own analytical team first observed in cross-comparisons. Our extra steps—from solvent recovery to static neutralization—contribute directly to fewer processing shut-downs for clients.
Dealing with us as the actual producer removes unknown links from your supply chain. Direct feedback shapes continual improvement. Last year, a major OLED developer needed their 4-biphenylyl packaged in small argon-flushed ampules for glovebox use. Instead of negotiating through middlemen, our technical manager worked with their R&D chemists—delivering several pilot runs, which ultimately led to a change in their production line SOP.
With full traceability, we provide every customer with comprehensive documentation on all intermediary stock. A policy of sample retention for 36 months has sped up problem-solving numerous times—a lesson reinforced by a case where a legacy client traced an unexplained odor back to a third-party logistics warehouse, not our product or sealed packaging. By keeping sample vials longer than the legal minimum, we were able to defend our own processes and help that customer identify the real source.
4-Biphenylyl appears as a technical line-item in thousands of recipes, but our data and partnerships have shown it can cause or prevent significant production hiccups. During audits, we’ve spotted how subtle variations in the product—unnoticed in standard analytics—could cause gumming or cross-linking in client systems. Shared test data with clients have led to optimized holding and feed practices, cutting waste rates by 5-10% depending on the polymer system.
Our role as a manufacturer is to invest in raw material quality at the level most others overlook. Process engineers routinely ask for batch-specific feedback on reactivity in custom coupling agents or color-forming intermediates. We don’t ship product based solely on generic standards. Each lot intended for electronics goes through stricter heavy-metal elimination and light-exposure certification, reflecting end-user requirements we’ve developed hand-in-hand with the sector’s most experienced chemists.
The world demands more than technical performance today. Running a chemical works in the 21st century means taking environmental stewardship seriously. While 4-biphenylyl is not considered acutely toxic, we have invested in fully enclosed reactor lines, VOC-capture circuitries, and solvent recycling right on site. Regular audits—conducted both internally and by multinational partners—keep our teams sharp on compliance and emerging environmental guidelines. We engage routinely with neighboring communities, offering plant tours and information sessions to demystify what goes on behind our gates.
Waste minimization is built into our processes from the ground up. By recovering and reprocessing solvents, we lower our environmental footprint while keeping costs stable even in turbulent world markets. Partnering with certified handlers for any unavoidable residues, we confirm safe treatment and documentation at every stage.
We foster an R&D-driven approach—open to innovation but always grounded in what works. Long-time collaboration with universities and specialty material laboratories produces new handling protocols, jointly published in both trade journals and supply chain discussion groups. Our internal development group regularly tests next-generation purification columns and solid-phase extraction units, aiming for trace contaminant control levels that anticipate next decade’s demands.
Feedback from researchers and production chemists informs future product variants. If a customer develops a process-grade film needing lower residual aromatic tars, our technical group works side-by-side with theirs, sometimes creating a new “sub-grade” specification in response. Adaptation happens quickly; we maintain pilot-scale reactors on-site ready to trial novel purification strategies or adjustments for unique project needs.
We share troubleshooting insights, seeing every client’s challenge as an opportunity to enhance knowledge both for them and ourselves. One organic semiconductor manufacturer gained significant yield improvement after switching to our solvent-tailored grade of 4-biphenylyl. The switch eliminated filter blockages and enabled longer reactor uptime between maintenance cycles, an advantage leading to measurable cost savings. We didn’t stop at supply; plant visits and joint process audits helped confirm root causes, leading to further optimization.
Outcomes matter as much as initial specs. Some polymer engineers we work with have remarked after process review how trace byproducts previously overlooked could have caused compounding delays. Tackling these issues at the source reduces the need for downstream corrective action or costly secondary purification.
Every kilogram leaving our facility benefits from cumulative learning. Our production team keeps live logs tracing every stage, sharing findings with clients on request. Whether supporting small-scale advanced material start-ups or global electronics groups, reliability is not a buzzword but a fundamental goal. The team has lived through resin fouling nightmares, unplanned shutdowns due to inconsistent intermediates, and knows the peace of mind that comes when every drum labeled 4-biphenylyl works exactly as intended.
A major difference between a manufacturer and a reseller or broker is the depth of insight available. If an unforeseen challenge arises, our technical team works from first principles, calling on deep process records and first-hand knowledge. We see ourselves as partners in our clients’ innovation journey, motivated by the success stories behind every shipment.
The story of 4-biphenylyl at our plant is the story of dedication, adaptability, and a determination to stand behind the product with more than a data sheet. We harness the science and craft of chemical manufacturing every day, building in the processes and diligence our industry’s future relies on. For any team taking on challenging new chemistries or pushing established processes to new limits, the right starting material can make all the difference. We take pride that, for so many, our 4-biphenylyl provides that reliable foundation.