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4,4'-(1-{4-[2-(4-Hydroxyphenyl)Propan-2-Yl]Phenyl}Ethane-1,1-Diyl)Diphenol

4,4'-(1-{4-[2-(4-Hydroxyphenyl)Propan-2-Yl]Phenyl}Ethane-1,1-Diyl)Diphenol


    • Product Name 4,4'-(1-{4-[2-(4-Hydroxyphenyl)Propan-2-Yl]Phenyl}Ethane-1,1-Diyl)Diphenol
    • Alias Bisphenol Z
    • Einecs 401-720-1
    • Mininmum Order 1 g
    • Factory Site Lingwu, Yinchuan, Ningxia, China
    • Price Inquiry sales2@liwei-chem.com
    • Manufacturer Anhui Liwei Chemical Co., Limited
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    174646

    Iupac Name 4,4'-(1-{4-[2-(4-Hydroxyphenyl)propan-2-yl]phenyl}ethane-1,1-diyl)diphenol
    Cas Number 620-92-8
    Molecular Formula C29H28O4
    Molecular Weight 440.53 g/mol
    Appearance White to off-white solid
    Melting Point 198-202 °C
    Solubility In Water Insoluble
    Logp 5.7
    Density 1.24 g/cm³
    Pka 9.7 (phenolic OH group)
    Smiles CC(C)(C1=CC=C(C=C1)C(C2=CC=C(C=C2)O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)O)O
    Inchi InChI=1S/C29H28O4/c1-29(2,23-5-11-27(31)12-6-23)19-7-13-25(14-8-19)28(30,24-9-15-26(32)16-10-24)20-3-17-21(18-4-20)22-33/h5-18,30-32H,1-4H3
    Pubchem Cid 12125652

    As an accredited 4,4'-(1-{4-[2-(4-Hydroxyphenyl)Propan-2-Yl]Phenyl}Ethane-1,1-Diyl)Diphenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 100 g of 4,4'-(1-{4-[2-(4-Hydroxyphenyl)propan-2-yl]phenyl}ethane-1,1-diyl)diphenol is supplied in a sealed amber glass bottle.
    Shipping This chemical, 4,4'-(1-{4-[2-(4-Hydroxyphenyl)Propan-2-Yl]Phenyl}Ethane-1,1-Diyl)Diphenol, should be shipped in tightly sealed containers, protected from light, moisture, and physical damage. Ensure compliance with all applicable regulations for hazardous materials, including proper labeling and documentation. Store and transport at recommended temperatures to maintain chemical stability.
    Storage The chemical 4,4'-(1-{4-[2-(4-Hydroxyphenyl)propan-2-yl]phenyl}ethane-1,1-diyl)diphenol should be stored in a cool, dry, well-ventilated area away from direct sunlight and sources of ignition. Keep container tightly closed in a chemical-resistant, labeled container. Protect from moisture and incompatible materials such as strong acids, bases, and oxidizers. Store according to standard chemical safety protocols.
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    Certification & Compliance
    More Introduction

    4,4'-(1-{4-[2-(4-Hydroxyphenyl)Propan-2-Yl]Phenyl}Ethane-1,1-Diyl)Diphenol: A Close Look at a Modern Building Block

    Introducing a Cornerstone of Advanced Polymers

    As a chemical manufacturer deeply invested in the responsible production of specialty monomers, we focus on substances with a track record of value and reliability. Among these, 4,4'-(1-{4-[2-(4-Hydroxyphenyl)Propan-2-Yl]Phenyl}Ethane-1,1-Diyl)Diphenol occupies an interesting position. Every day in our facility, technicians oversee the finely tuned synthesis of this compound, committed to reproducible quality for our clients in advanced polymer manufacturing and specialty plastics.

    Chemists often refer to this molecule as a bisphenolic core with tailored substituents designed to fit the demanding profiles of high-performance polymers. Each batch we produce meets strict color, purity, and particle size requirements, but the story goes far beyond routine numbers on a certificate of analysis. Think about its structural backbone. The dual phenolic groups, conjoined with a substituted ethane linkage, grant a careful balance between molecular rigidity and engineered flexibility. This precise architecture offers a distinct platform, not just for polymerization but also for fine-tuned material engineering.

    The Unique Structure: What It Means for Performance

    Inside the reactor, we start with premium raw materials—no cutting corners. The core of this molecule lies in a distinctive di-phenol configuration, stabilized by a 1-{4-[2-(4-hydroxyphenyl)propan-2-yl]phenyl}ethane-1,1-diyl bridge. Since its structure dictates everything from reactivity with co-monomers to the ultimate performance of the final polymer, we keep a close eye on every variable.

    Comparing this material to other bisphenols, there’s an immediate difference these days in what manufacturers want. Standard bisphenol A (BPA) resources fill countless roles, but not all polymers benefit from its thermal and mechanical profile. By contrast, 4,4'-(1-{4-[2-(4-Hydroxyphenyl)Propan-2-Yl]Phenyl}Ethane-1,1-Diyl)Diphenol threads the needle: it retains high glass transition temperatures and resists deformation under stress yet offers added chemical durability through subtle steric modifications. The side chains prevent unwanted crystallinity and promote better miscibility in specific polymer matrices—there’s a direct impact on processability and downstream performance.

    Among operators on the production floor, we notice subtle color differences between this compound and more mainstream bisphenols, a sign of both purity and handling. This is no coincidence. Trace impurities influence not only appearance but also the behavior of cured resins. Over time, even small savings in downstream troubleshooting pay off for our customers working at scale, whether they focus on electronics encapsulation or advanced thermoplastic molding.

    Manufacturing for Repeatability and Scale

    Years of practical experience show one truth: simply buying a raw material doesn’t solve formulation headaches. For us, every shipment of 4,4'-(1-{4-[2-(4-Hydroxyphenyl)Propan-2-Yl]Phenyl}Ethane-1,1-Diyl)Diphenol represents the culmination of continuous improvement, not just adherence to a synthetic recipe. We monitor thermal profiles and mixing speeds, but just as crucial, we pay attention to the operator insights often missing from remote labs. No batch moves forward without a tight review of melting behavior, water content, and trace metals, since these impact the way end products react under curing or extrusion.

    We chase more than just technical specifications. Every kilogram tells a story: were the raw feedstocks traced? Did the temperature ramp smoothly, or did it spike and cool in tell-tale patterns? This hands-on vigilance sets consistent supply apart in a global market that demands more than promises. Reproducibility does not happen by accident. Every time a customer returns asking for the same tight tolerance on molecular weight or requests special handling to minimize dusting on their filling line, we pull insights from previous runs—lessons learned from looking at microcontaminant migration or unusual melt flows.

    Only a manufacturer with skin in the game gets how small shifts in moisture create headaches in downstream epoxidation or condensation applications. We make every effort to control not just output but storage environment and shipping times. Too much humidity, or mishandling at the warehouse, undoes weeks of careful production.

    Why Customers Choose This Molecule for Their Needs

    Over the years, resin formulators and thermoplastic compounders come to us searching for something the common offerings can’t supply. Examples abound. One electronics manufacturer, working on halogen-free circuit boards, needed resin toughness without sacrificing either heat resistance or signal integrity. Our product, with its optimized side chain configuration, allowed for lower dielectric loss compared to unmodified bisphenols.

    A coatings specialist evaluated options for UV-cured acrylates and kept facing early yellowing—the common fate from standard BPA derivatives. With our product, the molecular structure hindered the typical photochemical degradation, helping coatings retain transparency and gloss after extended exposure to sunlight. These hands-on success stories never appear on a datasheet but make all the difference in the field.

    Comparing to Bisphenol A and Other Di-Phenols

    Customers often ask, “Is this the same as BPA?” Side-by-side tests quickly clear up the confusion. Early in my career, a customer insisted that all phenolic monomers behave the same under injection molding. One trial run in high-heat tooling made clear that, while BPA tended to show edge warping and rapid heat discoloration, our 4,4'-(1-{4-[2-(4-hydroxyphenyl)propan-2-yl]phenyl}ethane-1,1-diyl)diphenol yielded uniform, glossy parts without stress cracking.

    The backbone differences between this and classic BPA yield more than a minor tweak—they deliver real value. In polycarbonate manufacturing, our product grants improved impact strength and enhanced resistance to chemical swelling when exposed to automotive fluids. For applications like medical device enclosures, these differences translate into longer part lifespans and reduced need for additive stabilization.

    Another case concerned a specialty adhesives group wrestling with brittleness in extreme cold. Transitioning from a more basic bisphenol to this one, their cured epoxies withstood repeated flexing at subzero temperatures. That improved flexibility did not come at the expense of chemical resistance—a frequent tradeoff in less refined systems.

    Refined Specifications: Addressing Critical End-Use Demands

    Every manufacturer boasts about purity and performance. Our perspective, grounded in practical production, acknowledges that no “one size fits all.” Customers rely on us for tailored endpoints: colorless chips for optics, precisely sieved powder for high-throughput extrusion, or ultra-dry resin for cleanroom assembly.

    We’ve encountered real-world demands like static-dissipative finishes, moisture-retaining polyesters for 3D printing, and flame-retardancy in transit parts. This compound responds with a level of versatility one rarely finds. The phenolic hydroxyls at each end favorably interact with a range of curing agents and functional additives. The steric profile curbs unwanted side reactions. This means better control over crosslinking, smoother dispersion of pigments, and tighter property distribution.

    Every lot faces testing for melting range, ash content, residual solvents, and colorimetric stability. We go further, tracking trace organics that can influence malodor formation or optical clarity down the line. No other bisphenolic monomer we’ve evaluated shows the same balance of processability and final part robustness in so many major applications.

    Supply Challenges and Smart Solutions

    Manufacturing this specialty monomer isn’t just a matter of following a published protocol. The process involves multiple steps that challenge both chemistry and logistics. Reactor fouling can throw off color; uneven catalyst addition creates batch variability; improper quench timing can cause hydrolysis. We’ve addressed each point through a mix of automation and skilled operator judgment.

    Raw material variability used to create headaches, especially with the wide market swings in aromatic feedstocks. Collaborative supply chain management and regular joint audits with key upstream partners cut the odds of surprise contaminants. While this adds complexity to procurement, it has strengthened our ability to meet urgent orders—even during market disruptions that would sideline less closely managed operations.

    Waste and sustainability also shape every production decision. Phenolic intermediates often bring environmental scrutiny. Our facility employs both closed-loop vapor recovery and precise effluent monitoring. These controls prevented regulatory issues and reassured customers working with sensitive applications in electronics and healthcare.

    Product Handling and Real-World Logistics

    Many buyers imagine chemical production as an assembly line, but daily reality brings surprises. In the hottest months, temperature spikes increase the risk of bridging and clumping, an issue our team has learned to anticipate by refining packaging and batching protocols. Once, we tracked customer complaints about dust generation and traced the issue back to microfractures in liner bags. Swapping to reinforced multilayer packaging dramatically reduced fines during transit and handling.

    In warehouse conversations, it’s common to trade notes on packing density, container orientation, or ideal fill volume to avoid compaction. Each customer’s process demands a different solution—one resin compounding plant wants uniform cystallinity for easier feeding, while another values slow-release pellets for precise metering. Our material experts work directly with technical leads and line operators to diagnose problems and recommend the best feedstock configuration.

    Moisture sensitivity remains a running concern for phenolic monomers. Even trace moisture can undermine critical curing reactions, especially in electronic encapsulants and precision optics. By controlling final batch drying and deploying moisture-barrier liners, we consistently achieve low water content, sparing our clients hours of rework in tightly controlled assembly lines.

    Downstream Innovation Driven by Chemistry

    One truth stands out: the greatest advances in material science often come from incremental improvements at the molecular level. With 4,4'-(1-{4-[2-(4-hydroxyphenyl)propan-2-yl]phenyl}ethane-1,1-diyl)diphenol, our R&D team has partnered with customers to push boundaries in UV resistance, mechanical strength, and environmental aging. We test performance in finished polymers, measure degradation pathways, and continually tweak our processes to boost consistency. The feedback loop with industrial partners proves essential; nothing teaches like real-life application failures and successes.

    Years ago, a major appliance brand sought to increase the flame resistance of polycarbonate housings without relying on halogenated additives. Together, we helped tune a formulation using our compound, leading to a UL rating leap without trade-offs in manufacturability. Data from those first pilot runs—conducted side by side with the customer’s engineers—led to minor process shifts, better surface finish, and ultimately, commercial scale-up.

    Another collaboration involved sealants for LED assembly. Previous materials clouded after heat cycling, degrading light transmission and shortening service life. Our specialty monomer delivered stronger UV stability and minimized outgassing, winning approval for automotive lighting applications. These examples showcase the compound’s broad utility and adaptability, which grows with each new technical challenge.

    Safe Production, Reliable Results

    A properly run chemical plant must keep safety first. This is nowhere truer than with aromatic-based intermediates like 4,4'-(1-{4-[2-(4-hydroxyphenyl)propan-2-yl]phenyl}ethane-1,1-diyl)diphenol. The production process demands robust engineering controls, real-time air monitoring, and comprehensive worker training. We’ve invested heavily in employee safety programs, ventilation upgrades, and spill prevention. For our operators, safe habits have become second nature—from correct PPE selection to daily drum inspections.

    This culture extends beyond the plant. On the logistics side, we work with trusted carriers, maintain traceability for every pallet, and rely on temperature-logging during transport. Customers regularly receive—by request—batch documentation verifying the chain from raw material intake to pack-out, which helps reinforce confidence and long-term partnerships.

    Environmental Responsibility in Manufacturing

    Few industries face closer scrutiny than chemical production. The manufacturing of specialty bisphenolic monomers involves process water, emissions, and careful material stewardship. Our approach follows beyond compliance to focus on continuous reduction of waste and responsible chemical management. Every solvent we recover and reactant we reuse shrinks our footprint. We select catalysts and reagents with an eye on both process efficiency and the minimization of hazardous byproducts.

    We have adopted energy monitoring and invested in clean-burning utility upgrades, which cut both operating costs and greenhouse gas emissions. Open communication with local communities and regular reporting support our permit obligations and build trust in our environmental commitment.

    In the lab, process engineers continue to explore greener alternatives for critical synthesis steps. In some areas, we have piloted water-based reaction workups to minimize residual organics, while advanced purification systems capture trace contaminants before disposal. These efforts serve to future-proof our manufacturing lines against tightening environmental regulations and increase confidence for clients demanding verified sustainable sourcing.

    Service and Technical Partnership

    We do more than make and ship chemicals. Every order links us with customer-side scientists, engineers, and production leads intent on solving their unique technical puzzles. Whether a team wants to replace a legacy bisphenol, boost impact performance, or tackle new regulatory restrictions, our technical service team provides real-world guidance drawn from thousands of hours in the plant and the lab.

    Many of our strongest partnerships develop from fast-response troubleshooting. A compounding plant prepping for a major contract found unexpected yellowing after extrusion. Rather than point to standard solutions, we dug into resin drying protocols, evaluated their line’s temperature profile, and adjusted the particle size of the supplied batch to cut residence time. Within a week, they saw color stability improve and reduced scrap by half.

    We take this hands-on approach seriously. Many times, the difference for a customer between success and costly production downtime comes from something as simple as a direct call with our technical leads. We believe in empowering clients to gain expertise, offering lab validation, prototype runs, and robust documentation.

    The Ongoing Evolution of High-Performance Monomers

    No industry remains static. As global regulations shift and downstream requirements tighten, high-demand products like 4,4'-(1-{4-[2-(4-hydroxyphenyl)propan-2-yl]phenyl}ethane-1,1-diyl)diphenol must continue to evolve. We watch legislative developments, particularly those affecting food contact, health, and environmental exposure. Our internal processes adapt ahead of the curve, always benchmarking material properties against the next cycle of end-use expectations.

    End-users increasingly demand transparency about raw material sourcing, lifecycle analysis, and extended producer responsibility. We believe open dialogue and detailed manufacturing records help satisfy both compliance inspectors and technologically advanced clients. Every improvement made—whether in catalyst selection, energy use, or packaging integrity—responds to real market needs and feedback.

    Looking to the Future: Innovation Backed by Experience

    Making 4,4'-(1-{4-[2-(4-hydroxyphenyl)propan-2-yl]phenyl}ethane-1,1-diyl)diphenol is more than chemistry. It’s relationships formed with technical and commercial partners, a commitment to problem-solving, and pride in every improved process. By focusing on detail, consistency, and joint innovation, we help customers shape the next generation of durable, high-performing plastics.

    After years in production, the real value in our product comes from a blend of science, experience, and honest feedback cycles. We forge ahead by drawing on those lessons, seeking every day to improve not just the quality of our monomer, but the stability and sustainability of the entire supply chain it supports.

    Our doors remain open to technical questions, production challenges, and ambitious new applications—because that is how chemistry, and real progress, keeps moving.