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4-(4-N-Butylphenyl)Benzoic Acid

    • Product Name 4-(4-N-Butylphenyl)Benzoic Acid
    • Alias N-PBA
    • Einecs 628-478-0
    • 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

    852078

    Product Name 4-(4-N-Butylphenyl)Benzoic Acid
    Chemical Formula C17H18O2
    Molecular Weight 254.33 g/mol
    Cas Number 21152-95-4
    Appearance White to off-white solid
    Melting Point 134-137°C
    Solubility In Water Insoluble
    Purity Typically ≥98%
    Storage Conditions Store at room temperature, in a dry, well-ventilated place
    Smiles CCCCc1ccc(cc1)c2ccc(cc2)C(=O)O
    Synonyms 4-(4-n-Butylphenyl)benzoic acid; n-Butyl-4'-biphenyl-4-carboxylic acid
    Pka 4.3 (approximate, for benzoic acid group)
    Application Liquid crystal intermediate

    As an accredited 4-(4-N-Butylphenyl)Benzoic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The chemical, 4-(4-N-Butylphenyl)benzoic acid, is packaged in a 25g amber glass bottle with a tamper-evident screw cap.
    Shipping 4-(4-N-Butylphenyl)benzoic acid is shipped in tightly sealed, chemical-resistant containers to prevent contamination and moisture absorption. The package is clearly labeled as a laboratory chemical, with appropriate hazard and handling information. Transportation follows regulatory guidelines for safe handling, typically via ground or air freight, ensuring stability and integrity during transit.
    Storage 4-(4-N-Butylphenyl)benzoic acid should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from sources of heat, moisture, and direct sunlight. Keep the chemical away from incompatible substances such as strong oxidizing agents. Properly label the container and ensure it is stored in a location designated for chemicals, following applicable safety guidelines.
    Application of 4-(4-N-Butylphenyl)Benzoic Acid

    Applications of 4-(4-N-Butylphenyl)Benzoic Acid in Industrial Manufacturing

    4-(4-N-Butylphenyl)benzoic acid functions as a performance-critical intermediate across several advanced industrial sectors. The compound’s molecular design enables integration into specialized formulations and precision manufacturing processes. As the direct original manufacturer, we focus on process reliability, material consistency, and industrial applicability to downstream partners.

    1. Liquid Crystal Intermediate for LCD Manufacturing

    This material serves as a core precursor in the synthesis of mesogenic compounds for liquid crystal display (LCD) production. It undergoes precise esterification and substitution reactions to generate advanced liquid crystal monomers. Manufacturers require stringent purity, consistent particle sizing, and traceable origin for defect-free crystal orientation and stable electro-optic characteristics. Our production controls ensure that each batch meets the exacting tolerances for high-end display fabrication.

    Industry compliance standards

    • IEC 61747-1 International Standard for LCDs
    • RoHS Directive 2011/65/EU for electronic components
    • REACH Regulation (EC) No 1907/2006 for chemical intermediates
    • ISO 9001:2015 certified production quality system

    Typical usage ratio

    • 15–30% by weight in liquid crystal monomer synthesis formulations; finalized based on mesogen design and dielectric requirements

    Downstream process integration

    • Introduced during the initial monomer synthesis stage
    • Subjected to controlled esterification and chlorination steps
    • Blending with other mesogenic core components before polymerization
    • Final purification prior to cell assembly

    Final product types

    • Twisted nematic (TN) LCD cells
    • In-plane switching (IPS) liquid crystals
    • Vertical alignment (VA) display panels
    • Low-temperature poly-silicon (LTPS) screens

    2. High-Performance Polyimide Resin Additive

    This compound acts as a functional monomer and chain modifier in high-performance polyimide resins. It mediates thermal characteristics, increases flexibility, and supports the development of transparent and flexible films for advanced electronics, aerospace coatings, and specialty engineering plastics. Control of functional group incorporation and impurity levels remains critical for consistent polymer flow properties and film clarity.

    Industry compliance standards

    • ASTM D5213 Standard for Polyimide Films
    • UL 94 Flammability Classification for electrical insulation
    • ISO 14001 environmental management for specialty polymers
    • JIS K6931 guidelines for polyimide resin manufacturing

    Typical usage ratio

    • 5–12% (w/w) as a comonomer or modifier, depending on targeted thermal expansion and flexibility levels

    Downstream process integration

    • Added at the polycondensation step in polyimide base resin synthesis
    • Integrated with dianhydrides and diamines in solvent casting equipment
    • Used to regulate crosslink density and optical properties before imidization

    Final product types

    • Flexible printed circuit boards (FPCBs)
    • Transparent polyimide films for foldable displays
    • Heat-resistant aerospace wire insulation
    • Anti-corrosion coating layers for industrial equipment

    3. Functionalized Aromatic Carboxylic Acid for Specialty UV-Curable Coatings

    In advanced UV-curable coating systems, the compound serves as a reactive diluent and crosslinker precursor for high-gloss and scratch-resistant finishes. Its aromatic structure enhances film-forming ability and adhesion on metals, electronics, and luxury automotive components. Its use requires traceable batch-level impurity documentation and conformity with occupational exposure controls in fabrication environments.

    Industry compliance standards

    • Directive 2004/42/EC (VOC limits for paints and coatings)
    • ISO 11890-2:2020 for determination of volatile organic compounds
    • GHS labeling for handling specialty aromatic acids
    • ISO 9001:2015-certified QMS for production traceability

    Typical usage ratio

    • 3–8% by weight in oligomer pre-blend stage; final dosage depends on targeted film thickness and curing profile

    Downstream process integration

    • Direct addition into UV oligomer resin formulations
    • Blended with photoinitiators and other crosslinkers at the pre-dispersion stage
    • Precursor for in-situ functionalization modules for specialty grades

    Final product types

    • High-gloss UV-cured coatings for consumer electronics housings
    • Anti-scratch automotive trim finishes
    • Protective coatings on industrial control panels
    • Custom graphic application films

    4. Intermediate for Benzoxazole Derivative Synthesis in Advanced Plastics

    Our material serves as a critical building block for benzoxazole derivative synthesis, mainly aimed at producing engineering thermoplastics with exceptional tensile and barrier properties. Controlled nucleophilic substitution and coupling reactions rely on high-purity sources to avoid unwanted byproducts and guarantee polymer structure. Product traceability and lot-specific CoA documentation are maintained through our in-house analytics.

    Industry compliance standards

    • EN ISO 1043-1 for the nomenclature of high-performance plastics
    • REACH Annex XVII substances restrictions for intermediates
    • ISO 11469:2016 marking of plastics products
    • RoHS Directive 2011/65/EU for application in electronics-grade plastics

    Typical usage ratio

    • 10–18% by molar ratio in monomer feed; adjusted to obtain specific melting point and modulus

    Downstream process integration

    • Initiated in the nucleophilic aromatic substitution phase with o-aminophenol
    • Subsequent ring closures and polycondensation integrate the molecule into the chain backbone
    • Directly monitored for residual monomer content before pelletization

    Final product types

    • High-barrier packaging films
    • Engineering-grade electrical insulating components
    • Lightweight structural automotive inserts
    • Industrial filtration membranes
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    Certification & Compliance
    More Introduction

    Introducing 4-(4-N-Butylphenyl)Benzoic Acid — From Real Chemical Manufacturing Experience

    A Closer Look at Consistency and Chemical Structure

    In a manufacturing setting, chemists and engineers pay special attention to the building blocks they choose. 4-(4-N-Butylphenyl)benzoic acid steps into focus for specific reasons rooted in its molecular structure. With a butyl chain fixed to a phenyl group, which itself is joined directly to a benzoic acid ring system, this compound shows distinct physical and chemical properties. Synthesizing it takes precision. Every batch that comes out of our reactors reflects strict control over parameters—temperature, time, solvent choice, and purification procedures.

    Manufacturers are not in the business of taking shortcuts. Our process for making 4-(4-N-Butylphenyl)benzoic acid involves multi-step aromatic substitution, followed by careful purification steps. People using this compound depend on traceability—knowing batch origins and consistency in purity. Over years of operation, we have refined protocols to keep batch variability tight, so researchers and product developers can trust each shipment, not just the certificate of analysis clipped to the drum.

    Physical Forms and Model Types—Why Choice Matters

    4-(4-N-Butylphenyl)benzoic acid arrives in several standard forms, most commonly crystalline powder but sometimes in granulated or flake variations. End applications steer the decision on which to use. In liquid crystal technology, for instance, the purity and crystalline habit influence both transition temperatures and alignment properties during device assembly. Physicochemical consistency isn’t a minor detail; it’s a cornerstone of quality performance in end products. Even the container used—amber glass, plastic, or lined metal—affects how long the material will remain stable.

    Through repeated production cycles, we see how slight tweaks to process or storage conditions can nudge melting points or color. Many in the field overlook these subtle shifts. Real-world use exposes any shortcuts, so feedback from customers comes right back to the plant floor. The best outcome is a material that meets the right specifications without waste or rework, helping project managers keep pace with tight delivery schedules.

    Applications: Where Practical Chemistry Meets Market Demands

    4-(4-N-Butylphenyl)benzoic acid sees largest demand from liquid crystal panel manufacturers. LCD makers value its molecular alignment tendencies, which arise from the rigid aromatic core and flexible butyl tail. This shape supports stable nematic phase formation at practical operating temperatures. Product developers tuning the physical behavior of liquid crystals choose our product for its reliable phase transition profile. Device uniformity and display clarity trace back to the chemical design of each component.

    Polymers specialists also utilize 4-(4-N-Butylphenyl)benzoic acid as a functional monomer or structural additive. The bulky side chain fosters solubility in specific polymer matrices, offering advantages in melt processing or solution blending. In specialty coatings, it contributes to UV stability and surface finish. Dye makers use it as a precursor or intermediate; its para-substituted structure opens tailored routes for further functionalization. Here, chemists welcome precisely controlled substitution patterns, free from isomer confusion or trace byproducts.

    Pushing Boundaries Beyond Commodity Grades

    Our factory doesn’t operate like a trading house focused only on moving boxes. The synthesis and post-synthesis purification steps must satisfy demanding needs for reproducibility and impurity control. Chemical labs can spot poorly processed material from inconsistent melting points or messy spectra. We train staff to watch for subtle changes—shifted NMR signals or off-color crystallizations—which rarely pass the scrutiny of high-tech users.

    Competing products from mass-output facilities sometimes miss details like residual solvents, metal traces, or microcontaminants that stem from less rigorous cleaning between batches. Our entire approach separates us from such operations. Regular calibration of analytical equipment, frequent validation of in-process controls, and willingness to remanufacture an off-spec run form the backbone of what we offer. That relationship with quality doesn’t show up in pricing sheets, but it earns loyalty from customers wary of mystery grades.

    What Sets Our Product Apart—True Manufacturer Perspective

    A manufacturer’s relationship with their product differs from that of a reseller or trader. We know the challenges inside out: what happens when solvents polymerize at the wrong moment, what problems result from an incomplete reaction or rushed drying procedures. We have built experience troubleshooting chloride contamination in final products, especially because even single-digit ppm impurity levels make themselves known during final application testing.

    Investments in people and process, not just in automated gear or sensors, bring an edge. Operators on the shop floor know when crystallization isn’t right by look or by feel, a skill that repetition and ownership reinforce. During one scaling run, we discovered how humidity variations altered yield and impurity handling. The fix happened not by committee, but by careful trial and continuous monitoring—something only an actual manufacturer puts into everyday practice.

    Direct production lets us modify parameters for niche customer requests. Whether a customer wants tighter particle size distributions or specific residual solvent profiles, we can adjust accordingly. Every adjustment is measured against yield loss, increased processing time, and new QA hurdles. That balance between tailored output and commercial viability comes from long years of seeing projects through from raw input to finished goods delivery.

    Finding Solutions: More Than Just Output

    Some applications require extra attention to metal content, especially for electronics where conductive impurities can ruin function. Our in-house purification team runs additional chromatography or recrystallization steps on demand. Small variations impact final product reliability—LCD panel yields or polymer film toughness—so we keep lines open with downstream users to share what we see and get feedback. This dialogue leads to innovation and early-warning fixes if something in the global supply chain creates new challenges.

    One customer’s OLED coating process hit a snag due to unforeseen solvent residue in an earlier delivery. Rather than stonewall or blame upstream vendors, we isolated the root cause, replaced an aged solvent storage tank, and verified all outgoing drums by double analysis before shipping. Being able to make those calls quickly depends on production insight and ownership of both success and error.

    Comparing 4-(4-N-Butylphenyl)Benzoic Acid to Related Acids and Substituted Benzoics

    The butyl side chain marks a significant distinction from alternatives. A shorter chain, like ethyl or methyl, doesn’t produce the same fluid alignment or solubility behaviors in critical applications. In contrast, longer alkyl tails such as hexyl or octyl shift melting points and create practical storage and processing headaches. In end-use scenarios, customers see tangible effect on their synthesis or formulation steps if a substitution is made for cost or convenience reasons.

    While other para-substituted benzoic acids find use in lower-cost or less technically demanding applications, strict user feedback places 4-(4-N-Butylphenyl)benzoic acid in a well-defined niche where performance metrics are non-negotiable. Liquid crystal manufacturers keep records of panel defect rates when trialing different grades or comparable products, and these metrics often inform broader sourcing decisions.

    In direct comparisons, we find that 4-(4-N-Butylphenyl)benzoic acid maintains better resistance to oxidative yellowing in photonic materials than analogues without an alkylated arene. Film-formers and polymer chemists see fewer processing issues with this compound than with more branched or bulkier side chain derivatives. These practical differences surface every day in feedback loops between lab and plant.

    Sourcing Direct and the Value of Manufacturer Relationships

    End users who come to us for 4-(4-N-Butylphenyl)benzoic acid often bring stories of variable purity and incomplete technical disclosure from other suppliers. We open our production documentation and invite customer-side audits. Pride in plant transparency springs from real consequences: small changes in process hygiene or equipment upkeep lead to measurable differences in product lifetime and yield.

    Troubleshooting and improvements don’t happen far from the plant; they grow from hands-on involvement. Batch-to-batch reproducibility flows from in-process decision making—choosing whether to redistill a solvent batch or revalidate the temperature probe before charging a reactor. Over time, direct supplier relationships foster trust for both sides. We see fewer quality complaints and more constructive uses of our experience in customer projects.

    Continuous Improvement Anchored in Reality

    A manufacturer’s perspective stays grounded in results. Each shipment means someone downstream counts on our material to work as planned, with no room for surprises. Problems like crystal habit changes, clumping, or trace metallic pickup are approached as solvable challenges, not as excuses to push blame up or downstream. Process data, not just final product assay numbers, tells the full story.

    This workflow includes regular cross-checks between R&D and production teams. Analytical chemists join the production review to analyze trends or single out anomalies. When energy costs jump or raw material feedstocks show variability, we pass this context to customers, who integrate it into formulation and production planning.

    Putting Real-World Demands Before Theoretical Maximums

    Maximum theoretical yield means little without context. The true benchmark comes from how the product performs at customer sites. When we work on projects involving new uses for 4-(4-N-Butylphenyl)benzoic acid, like advanced optoelectronic polymers, we collaborate on pilot-scale batches so real production data backs up technical forecasts. If a process fails to scale or a product comes out off-color or off-phase, the solution often lies not in more paperwork but in hands-on adjustment and technical dialogue.

    From a business perspective, building a robust supply chain for this compound means establishing dual-sourcing on critical raw materials and backup purification capacity in case of unplanned plant outages. Customers feel the benefit not in marketing brochures but in on-time delivery and clear feedback when the global market throws curveballs—such as logistics disruption or regulatory change.

    Outlook for 4-(4-N-Butylphenyl)Benzoic Acid in Emerging Applications

    Innovation rarely pauses. We hear from companies experimenting with new transitions in display technologies, biotech interfaces, and smart coatings. Each new push into uncharted territory puts greater demands on our production consistency and technical responsiveness. Rather than rest on legacy protocols, our team tunes batch records and purification to keep pace with new analytical standards and application needs.

    We also notice trends toward greener chemistry and tighter sustainability targets. Meeting these means refining our waste treatment, solvent recovery, and energy efficiency. Batches of 4-(4-N-Butylphenyl)benzoic acid rolling off our line include not just chemical compliance sheets but detailed breakdowns of material origin and environmental impact. Engineers in partner labs request more documentation on trace metals, solvent lifecycle, or carbon footprint, so our process shifts to provide objective data, not speculation or hand-waving.

    Why Direct Manufacturing Engagement Matters Every Day

    Being the producer connects us with challenges on the ground: discovering that a cooling line produces unseen variability or realizing that a new drum supplier introduces microplastic contamination. The process isn’t left to paperwork or intermediaries. Every day brings new technical puzzles.

    Relationships with application chemists start with clear discussion of real issues and end with practical solutions. One such partnership with a medical sensor developer uncovered reactivity with certain adhesives, leading us to further purify the acid and eliminate trace aldehydes. This change later benefited multiple customers in unrelated sectors, proving again that manufacturing knowledge compounds over time.

    Taking Pride in the Full Product Journey

    Chemical manufacturing isn't just science—it’s a craft. Each shipment of 4-(4-N-Butylphenyl)benzoic acid represents decisions made by skilled workers, real-time troubleshooting by experienced engineers, and continuous improvement set in motion by honest feedback. Our team feels responsibility for what leaves our plant, knowing it will become part of complex devices, coatings, or chemical transformations around the world.

    We keep records stretching back decades so that patterns and long-term improvements don’t slip through the cracks. That depth of experience stands behind every delivery promise, every technical data sheet, and every batch run. Success in this business rewards accuracy, responsiveness, and a willingness to dig into problems, not just market on abstract capabilities.

    Field-Proven Results Built on Experience, Not Hype

    4-(4-N-Butylphenyl)benzoic acid’s role in modern industry highlights the need for trust, transparency, and collaboration between producer and user. We measure our outcomes not by sales numbers alone but by the number of repeat customers—those who return because the product does its job, delivers results, and fits seamlessly into technical workflows.

    For those seeking deeper insight or partnership, direct engagement with real manufacturers opens new routes to innovation and problem-solving. Practical knowledge, built up over thousands of hours on the plant floor and in the lab, forms the backbone of reliable supply and long-term progress.