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Bisphenol C

    • Product Name Bisphenol C
    • Alias 4,4'-(1-Methylethylidene)bisphenol
    • Einecs 201-025-1
    • 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

    167124

    Chemical Name Bisphenol C
    Iupac Name 2,2-bis(4-hydroxyphenyl)propene
    Cas Number 14868-03-2
    Molecular Formula C15H14O2
    Molecular Weight 226.27 g/mol
    Appearance White to off-white solid
    Melting Point 163-166°C
    Solubility In Water Insoluble
    Density 1.2 g/cm³

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

    Packing & Storage
    Packing Bisphenol C is packaged in a 100g amber glass bottle with a secure screw cap, labeled with safety and storage information.
    Shipping Bisphenol C should be shipped in tightly sealed, chemical-resistant containers to prevent leaks. It must be handled as a hazardous material, with labeling in accordance to international transport regulations (such as UN, DOT, or IATA). Store and transport at ambient temperature, away from incompatible substances, heat sources, and direct sunlight.
    Storage Bisphenol C should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from incompatible substances such as oxidizing agents. It should be kept away from direct sunlight, moisture, and sources of ignition. Appropriate chemical-resistant containers and secondary containment are recommended to prevent spills and environmental contamination. Ensure access to safety equipment and proper labeling.
    Application of Bisphenol C

    Applications of Bisphenol C in Industrial Manufacturing

    Bisphenol C plays a crucial role as a specialty raw material in the synthesis and modification of advanced polymers and resins. Manufactured under strict quality protocols, Bisphenol C enables industrial producers to achieve high-performance characteristics in end products across several established industrial sectors. Below we detail the principal downstream application scenarios, with focused insights on compliance frameworks, formulation ratios, process integration, and real final product typologies.

    1. High-Temperature Epoxy Resin Systems for Electronics Encapsulation

    Electronic encapsulation demands resins with exceptional thermal and chemical stability. Bisphenol C’s rigid aromatic structure introduces increased glass transition temperatures and improved dielectric properties when engineers formulate epoxy resins for use in semiconductor packaging, circuit potting, and structural adhesive layers in printed circuit board (PCB) assembly. The raw material enters the resin backbone, improving resistance to thermal degradation and electrical breakdown.

    Industry compliance standards

    • IEC 61249–2-7 for base materials used in interconnection structures
    • RoHS Directive 2011/65/EU limiting hazardous substances
    • UL 94 for flammability safety in plastics
    • IPC-4101D for specification of base materials for printed boards

    Typical usage ratio

    • 5%–25% by weight of total epoxy resin monomer mix, adjusted based on thermal performance and dielectric requirements

    Downstream process integration

    • Direct co-monomer addition during resin synthesis before curing agent introduction
    • Advanced formulation for tailored glass transition temperature and modulus
    • Vacuum or pressure casting into electronic component housings
    • Continuous quality monitoring for contamination and viscosity control

    Final product types

    • Semiconductor encapsulants
    • Electronic potting compounds
    • PCB laminates
    • High-performance circuit adhesives

    2. Specialty Polycarbonate Manufacturing for Optical Applications

    The production of high-refractive-index polycarbonate relies on controlled aromatic monomer selection to achieve optical clarity and dimensional stability. Incorporating Bisphenol C introduces higher refractive indices and improved heat resistance compared to standard bisphenol monomers. Manufacturers dose the raw material to modulate both melt flow and light transmission, enabling production of optical sheets for safety glass, lighting covers, and optical lenses used in demanding environments.

    Industry compliance standards

    • ISO 4892-2 for plastic exposure to laboratory light sources
    • EN 166 for personal eye-protection standards
    • FDA 21 CFR 177.1580 (for products with potential food contact)
    • REACH Annex XVII chemical safety regulations

    Typical usage ratio

    • 5%–15% in polymerization feed, dependent on desired index and color

    Downstream process integration

    • Direct batch or continuous introduction in interfacial polycondensation with phosgene and carbonate diesters
    • Strict temperature and pH monitoring to control molecular weight
    • Devolatilization and polishing in extrusion for lens-grade material
    • Quality control on birefringence and haze indexes

    Final product types

    • Safety lenses (industrial eye protection)
    • Transparent machine guards
    • Optical sheets for lighting
    • Precision instrument covers

    3. Performance Modification of Phenolic Resins for Friction Materials

    Automotive and industrial braking applications require resin systems with high temperature resistance and shape retention. Bisphenol C modifies conventional phenolic resins to increase crosslink density and thermal endurance in friction material manufacture. Producers mix the ingredient during pre-polymer fusion, controlling flow, cure kinetics, and ultimate heat resistance in the resulting composite matrix. This ensures both consistent mechanical properties and improved safety margins under repeated high-stress operation.

    Industry compliance standards

    • SAE J661 for friction material test procedures
    • ISO 26865 for brake lining material
    • FMVSS 135 for automotive brake systems
    • ECE R90 for brake performance approvals

    Typical usage ratio

    • 3%–12% of total phenolic binder resin, with ratios adjusted for fade resistance and wear rate

    Downstream process integration

    • Prepolymer fusion blending with filler and fiber reinforcements
    • Control of post-cure cycles to optimize cross-linking
    • Compression molding into friction pad preforms
    • Batch lot thermal and performance validation

    Final product types

    • Automotive brake pads
    • Industrial clutch facings
    • Railway braking shoes
    • Heavy vehicle brake blocks

    4. Flame Retardant Additive Systems in Engineering Plastics

    Stringent fire resistance standards in public infrastructure and transportation fuel demand for halogen-free flame retardant systems. Bisphenol C acts as a high-content aromatic source in intumescent and char-forming plastics, raising limiting oxygen index (LOI) and improving resistance to ignition. Incorporated during polymer blending, the raw material helps downstream processors meet flammability and smoke generation regulations without halogenated ingredients.

    Industry compliance standards

    • UL 94 V-0 or V-1 for vertical burn rating
    • EN 45545-2 for railway fire safety
    • ASTM E662 for smoke density in plastics
    • GB/T 2408 for vertical burning test in plastics

    Typical usage ratio

    • 8%–25% in engineering plastic formulations, with ratio set by required LOI value and matrix compatibility

    Downstream process integration

    • Dry blending with primary resins (PA, PC, PBT) prior to melt compounding
    • Co-extrusion or injection molding at elevated temperatures
    • On-line LOI and vertical burn testing for batch certification
    • Integration with synergists (phosphorus or nitrogen donors) for enhanced effect

    Final product types

    • Electrical terminal blocks
    • Public transit vehicle cabin panels
    • Switch housings
    • Low-smoke wiring insulation
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    Certification & Compliance
    More Introduction

    Bisphenol C: Experience from the Manufacturer’s Floor

    Working with Bisphenol C

    Every day in our facility, Bisphenol C moves through reactors and packing lines under careful supervision. Our staff watches it change from raw inputs to a pure, crystalline end product. Years on the plant floor have shown that Bisphenol C stands apart from traditional bisphenols, both in chemistry and in the way it shapes performance for downstream applications.

    Colleagues in synthesis and process optimization often talk about product consistency. Bisphenol C delivers tight melting range and purity, as regular lot checks prove. Analysts record melting points close to 231–232°C, a step above the variability of some related compounds. Purity levels typically exceed 99%. That purity isn’t just a statistical point; it cuts down on side reactions, lowers color development in polymerization, and produces cleaner, stronger materials for engineers counting on predictability.

    Why Polymer Producers Ask for Bisphenol C

    In hands-on plastics manufacturing, material consistency means less downtime and fewer headaches. Epoxy resin formulators prefer Bisphenol C when mechanical toughness and thermal stability matter. Our technical team tracks customer feedback about resin clarity, tensile strength, and heat resistance in finished epoxies. Those properties mean more reliable circuit boards, adhesives, and coatings for industries aiming for high performance under stress.

    Customers in electrical laminates and specialty coatings have experimented with a range of bisphenols over the years. Experience shows Bisphenol C can outmatch more common monomers like Bisphenol A in several areas. Boards crafted with Bisphenol C resist water uptake and hold up under thermal cycling. This directly affects yields for PCB manufacturers, who report fewer delaminations and failures under accelerated aging.

    Technicians on our shop floor have noticed something during formulation. Bisphenol C’s crystalline structure and purity allow it to dissolve cleanly into solvent blends, cutting down on rework time. Comparison with other bisphenols often reveals less haze at high concentrations and fewer filtration steps. These small differences become big savings in large-scale production.

    Handling and Quality Assurance

    Long years in production have taught that safety and consistency in handling are non-negotiable. Bisphenol C produces less dust than some alternative bisphenols, thanks to careful control of particle size and humidity. Packaging teams reduce airborne contamination risks at every step. In most cases, lab crews confirm incoming and outbound material identity by NMR and HPLC, then log results in our batch records. Shipments rarely fail acceptance tests with users who base their procurement decisions on multi-year track records.

    Customers working in specialty polymers have come to expect a product that behaves the same way from drum to drum. For every campaign, our own statisticians pull production data to verify particle size distribution, moisture levels, and heavy metal content. When the rare deviation turns up, lot recall procedures kick in before any material leaves the warehouse. Lab notes show that Bisphenol C consistently meets the tightest of international standards—one reason regulatory compliance is a regular topic in project meetings.

    What Sets Bisphenol C Apart from Other Bisphenols

    Performance at elevated temperatures marks a clear line between Bisphenol C and more common alternatives. Customers who mold and cure resin for high-heat applications choose Bisphenol C for its resilience. Molecular structure analysis tells the story: three methyl groups in Bisphenol C shift the glass transition temperature higher than you see in Bisphenol A or S. Finished parts hold their dimensional stability above 150°C, resisting creep where others deform.

    Downstream, our partners in R&D highlight aromatics content and the absence of certain electron-withdrawing groups. This chemical profile steadies Bisphenol C’s reactivity, preventing yellowing and breakdown across repeated thermal cycles. Electronics firms report sharper signal integrity because circuit boards made from Bisphenol C resist microcracking, even under lead-free soldering temperatures and aggressive halogen-free fluxes.

    Chemists exploring greener alternatives often gravitate toward Bisphenol C because its synthesis produces fewer chlorinated byproducts than some other options. The process design at our facility captures waste streams and treats them before release, helping our staff comply with local and global environmental directives. Reducing those byproducts lowers headaches for quality control and supports manufacturers investing in eco-certifications.

    Applications in High-Performance Resin Systems

    On the production line, pattern recognition becomes second nature. Batches of Bisphenol C travel directly to resin kettles destined for printed wiring boards, advanced composites, and high-end adhesives. The positive impact is clearest where traditional bisphenols struggle: at the intersection of exposure to moisture, high voltages, and relentless heating.

    In our experience, resin producers mixing Bisphenol C with standard epichlorohydrin notice an immediate drop in ionic content and hydrolyzable chlorine values. Finished epoxies stay more stable at both high and low pH, extending service life in harsh chemical environments. This matters for customers piping resins into wind turbine blades or structural adhesives holding up transport infrastructure.

    Engineers on the customer side value mechanical properties above all. Data from applied testing shows that glass transition temperatures rise, flexural moduli climb, and water absorption drops compared to alternatives. Discussions with users confirm that these metrics lead to fewer failures in field tests. Automotive suppliers and energy storage producers report improved bonding and fewer warranty claims as Bisphenol C replaces other, less resilient options.

    Tackling Industry Concerns: Regulatory and Sustainability

    As international focus sharpens on endocrine disruptors, manufacturers want options without the legacy concerns tied to older bisphenols. Bisphenol A’s regulatory position shifts each year, putting supply chains at risk. Our customers often look to Bisphenol C for its lower migration rates and the absence of established restrictions in global markets.

    Facility audits and regulatory reviews place a premium on transparency. Documentation teams stay updated with changing REACH and RoHS guidance. Batches of Bisphenol C move with full traceability, backed by production records stretching back years. Plant managers meet with local environmental officers regularly, addressing effluent treatments and waste minimization. By running closed-loop handling and zero-discharge cooling, our process holds up even under tight scrutiny.

    Some users prompt us with questions about life cycle impact. Teams here collect data on process energy usage and byproduct recovery. In our annual reviews, engineers identify ways to cut steam demand, recycle solvents, and recover process water. Partnering with downstream users, the focus remains on closing the loop wherever possible. As eco-labeling gains traction, swapping out legacy bisphenols with Bisphenol C can lower environmental footprints across a product range—not just for the polymer manufacturer, but right through to the consumer.

    Challenges in Large-Scale Bisphenol C Production

    Scaling up Bisphenol C from the bench to the bulk reactor posed its own set of hurdles. Our staff needed to rethink catalyst charging, purification steps, and crystallization schedules. Some early trial runs highlighted batch-to-batch variations in color and particle flow, traced back to subtleties in the temperature gradients and solvent purity.

    Process engineers and analysts now tune every mixing and distillation step for sharper reproducibility. Extra inline filters and controlled cooling ramps keep contaminants in check without raising production costs. We chose reactors and controls based on years of data from pilot runs—knowledge distilled over thousands of kilograms. These lessons surface every day, as frontline personnel calibrate sensors and troubleshoot valves. The end result is a tighter set of specifications and lower customer complaints, year after year.

    Safety protocols align with the realities of the shop floor. Dust extraction keeps fine powder hazards in check, and regular vacuum cleaning replaces less effective static brushing. The warehouse team wears specialized PPE based on real-world exposure tests, not textbook guidelines. Storing Bisphenol C away from acids and oxidizers, with constant humidity checks, cuts down on clumping. Over time, these routines have shaped SOPs that work in the day-to-day grind.

    Supporting R&D and Customer Innovation

    Every request for technical support draws on insights from decades making and using Bisphenol C. Development chemists on the customer side test new curing systems, flame retardants, and impact modifiers. Our technical teams package small-lot samples or adjust packaging depth based on the realities of their pilot plants.

    Project engineers want data beyond what’s in the usual spec sheet. Rheological behavior, compatibility with novel hardeners, and tolerance to tough processing conditions often take center stage. Our lab staff carry out practical blend trials in parallel with customer R&D teams. The focus stays on what customers experience on their shop floors—mixing ease, pot life, shelf stability at real warehouse temperatures.

    Through years of collaboration, patterns emerge. In vacuum infusion processes, Bisphenol C brings both quick wet-out and short demold times, keeping resin flow predictable across wide temperature bands. In UV-cure projects, customers report improved clarity and color stability, especially in thick-section parts. These results come from keeping the discussion grounded in hands-on production, not just lab theory.

    Field Experience: Lessons from End Users

    Plant audits and troubleshooting visits form a two-way street. Feedback from field engineers reshapes production controls and blend ratios. In energy, automotive, and consumer electronics, the focus falls on reliability across the full lifecycle of the product. Teams often call in to discuss trace contaminants and the impact of residual phenol, prompting real changes in purification standards.

    Long-term records show that switching from Bisphenol A to Bisphenol C cuts returns for water ingress and dielectric breakdown. Finished products consistently meet higher bar for thermal endurance and chemical resistance. Board shops, adhesive facilities, and composite plants recognize Bisphenol C as a solution to costly repeat failures. These are the stories that back up technical claims.

    Based on regular customer conversations, switching materials carries challenges. Operators retrain teams to handle new blends, revise oven schedules for higher glass transitions, and adjust labeling for compliance. Support from the manufacturer—based on real-world plant data, not just technical data sheets—makes these transitions smoother.

    Ongoing Investment in Process and People

    Every shift brings new questions and fresh eyes to improving Bisphenol C production. Experienced staff train new hires on the quirks of solvent systems and reaction kinetics, anchoring knowledge in practice. Site managers hold regular toolbox meetings, focusing on what works and what needs changing. Investment in better automation, tighter controls, and smart batching remains guided by feedback from both inside and outside the plant.

    Audits and constant care prevent the kind of slip-ups that jeopardize whole supply chains. By keeping process and quality teams aligned, problems rarely grow past the batch or week. Traceability software puts the entire chemical history at our fingertips, supporting customers in tightly regulated industries.

    Talking to upstream suppliers and downstream users shapes our roadmaps. Demand for specialty grades drives continuous pilot runs; better environmental metrics push us to design new solvent-recovery loops. Customer-driven tweaks—like anti-caking coatings or specialty packaging for cleanrooms—emerge from years listening on site calls and service visits.

    Looking Forward: The Future of Bisphenol C in High-Value Industries

    Rapid shifts in global electronics and composite demand mean that people want materials that won’t just meet today’s standards but can adapt to tomorrow’s. Manufacturing teams see the appetite for higher glass transition ranges, lower toxicity profiles, and reliable supply. Bisphenol C stands ready for further innovation, whether that involves custom blends, new curing agents, or formulation tweaks.

    In our experience, the value comes from deep integration: from plant chemistry right through to the user’s application. As new regulatory changes arrive and industries pivot toward higher safety and eco-requirements, the years spent improving Bisphenol C pay off. The relationship with end users, based on transparency and hands-on understanding, means challenges rarely come as a surprise. With each new advance—whether bigger reactors, better filtration, or smarter logistics—the gap between raw material and final performance keeps closing.

    In a world where reliability, sustainability, and high performance set the bar, Bisphenol C continues to earn its place not by luck, but by steady experience and constant evolution. The day-to-day decisions on the plant floor—measuring, checking, improving—add up to long-term trust in the materials our partners rely on.