Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
Follow us:

3-Hydroxybenzophenone

    • Product Name 3-Hydroxybenzophenone
    • Alias 3-Hydroxybenzhydrol
    • Einecs 202-222-3
    • 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

    916958

    Productname 3-Hydroxybenzophenone
    Casnumber 581-98-0
    Molecularformula C13H10O2
    Molecularweight 198.22 g/mol
    Appearance White to off-white crystalline powder
    Meltingpoint 139-142 °C
    Boilingpoint 304.6 °C at 760 mmHg
    Solubilityinwater Slightly soluble
    Density 1.24 g/cm³
    Flashpoint 162.8 °C
    Synonyms m-Hydroxybenzophenone; 3-Benzoylphenol
    Smiles C1=CC=C(C=C1)C(=O)C2=CC(=CC=C2)O
    Inchi InChI=1S/C13H10O2/c14-12-8-4-7-11(9-12)13(15)10-5-2-1-3-6-10/h1-9,14H

    As an accredited 3-Hydroxybenzophenone factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing A 100-gram amber glass bottle labeled "3-Hydroxybenzophenone," featuring hazard symbols, chemical details, CAS number, and manufacturer information.
    Shipping 3-Hydroxybenzophenone is shipped in tightly sealed containers to prevent contamination and moisture absorption. It should be stored and transported in a cool, dry, and well-ventilated area, away from incompatible substances. Proper labeling and adherence to local regulations are required to ensure safe handling and compliance during shipping.
    Storage 3-Hydroxybenzophenone should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from sources of ignition, moisture, and incompatible substances such as strong oxidizing agents. Protect from direct sunlight and keep away from heat. Always label the container clearly and follow appropriate laboratory safety protocols when handling or storing this chemical.
    Application of 3-Hydroxybenzophenone

    Applications of 3-Hydroxybenzophenone in Industrial Manufacturing

    3-Hydroxybenzophenone provides specific photostability and UV absorption capabilities, making it an essential intermediate in several regulated sectors. Its unique chemical properties ensure targeted performance and compliance with international safety and quality protocols. Below are authentic application scenarios where this material integrates directly into final product manufacturing.

    1. UV Stabilizers for Engineering Plastics

    Manufacturers of polycarbonate, styrenics, and acrylic polymers use 3-hydroxybenzophenone as a UV absorber to maintain color stability, mechanical strength, and surface integrity under prolonged sunlight exposure. By incorporating it in the compounding stage, processors prevent yellowing and embrittlement in applications demanding high transparency and dimensional retention, such as automotive headlamp lenses and outdoor signage.

    Industry compliance standards

    • ISO 4892-2:2023 (Plastics—Methods of exposure to laboratory light sources—Xenon-arc lamps)
    • UL 746C (Polymeric Materials—Use in Electrical Equipment Evaluations)
    • REACH Regulation (EC) No 1907/2006
    • RoHS Directive 2011/65/EU

    Typical usage ratio

    • 0.1–0.5% by weight, fine-tuned according to polymer type, target UV resistance level, and thickness of the molded part

    Downstream process integration

    • Added in pellet masterbatch or direct powder blend before extrusion, injection molding, or blow molding

    Final product types

    • Automotive exterior/interior plastic trims
    • Optical films and sheets
    • Outdoor electrical housings
    • Clear packaging materials for retail and industrial applications

    2. Intermediate for Pharmaceutical API Synthesis

    API manufacturers utilize 3-hydroxybenzophenone as a key building block in the synthesis of selective benzophenone-derived pharmaceutical agents. Its structure enables further functionalization in multi-step chemical syntheses, particularly within non-steroidal anti-inflammatory drug (NSAID) pathways and certain antihistamine intermediates. High-purity grades are required to ensure impurity profiles meet stringent pharmacopoeial limits during downstream hydrogenation, acylation, and ring-closure reactions.

    Industry compliance standards

    • Good Manufacturing Practice (GMP, ICH Q7)
    • US Pharmacopoeia (USP)
    • European Pharmacopoeia (Ph. Eur.)
    • ICH Q3A/B (Impurities Guidelines)

    Typical usage ratio

    • Stoichiometric quantities determined by specific API reaction schemes; typically forms 15–30% molar fraction in early-to-mid-stage syntheses

    Downstream process integration

    • Introduced during initial batch reactor charge as a primary substrate, undergoing further transformations such as Friedel–Crafts acetylation or etherification

    Final product types

    • Non-steroidal anti-inflammatory drugs (NSAIDs)
    • Antihistaminic intermediates
    • Synthetic corticosteroid precursors

    3. Light-Stabilizing Agents in Industrial Coatings

    Producers of alkyd, polyurethane, and waterborne coatings employ 3-hydroxybenzophenone as a light stabilizer to maintain gloss, adhesion, and mechanical strength in architectural and industrial finishes subject to UV degradation. Its inclusion in resin blends impedes photolytic breakdown, preserving the aesthetic and protective function of coatings on steel structures, transport equipment, and building façades over extended service intervals.

    Industry compliance standards

    • EN 927-6 (Paints and varnishes—Exposure to artificial weathering)
    • ASTM D4587 (Standard Practice for Fluorescent UV-Condensation Exposures of Paint and Related Coatings)
    • VOC content regulations per EU Directive 2004/42/EC
    • GHS hazard communication (CLP Regulation (EC) No 1272/2008)

    Typical usage ratio

    • 0.2–0.8% by total solids, with precise level established via accelerated weathering trials and resin compatibility tests

    Downstream process integration

    • Added in pre-mix or let-down stage of binder formulation, followed by high-shear mixing and filtration before packaging

    Final product types

    • UV-resistant architectural paints
    • Protective coatings for metal bridges and tanks
    • Exterior automotive finishes
    • Industrial wood stains and sealants

    4. Photoinitiation in UV-Curable Adhesives

    Manufacturers of specialty adhesives for electronics and graphic arts integrate 3-hydroxybenzophenone as a co-initiator in radical polymerization systems. Its fast absorption profile and high molar extinction coefficients enable precise tuning of curing speeds, bond strengths, and depth of cure for microelectronic assembly and high-performance labeling. UV curable systems using this additive maintain process yields and reduce thermal stress on sensitive substrates.

    Industry compliance standards

    • IEC 61249-2-21 (Requirements for base materials in printed circuit boards)
    • UL 969 (Marking and Labeling Systems)
    • ISO 10993-5 (Biological evaluation of medical devices—Tests for cytotoxicity, when adhesives contact biocompatible materials)
    • RoHS Directive 2011/65/EU (for electronics applications)

    Typical usage ratio

    • 0.05–0.2% as a co-initiator, adjusted relative to main photoinitiator system and targeted polymerization kinetics

    Downstream process integration

    • Dosed into monomer blend during adhesive formulation, followed by UV pre-polymerization step inline or batch-wise before adhesive application

    Final product types

    • UV-cured optical adhesives for touchscreens
    • Printed circuit board mask resins
    • High-durability industrial labels
    • Precision assembly glues for microelectronic modules

    5. UV-Absorbing Additive in Synthetic Fiber Manufacturing

    Textile and fiber producers add 3-hydroxybenzophenone during polymer melt-spinning to prolong colorfastness and prevent mechanical degration under sunlight. This additive is critical in the production of PET-based technical fabrics destined for outdoor use, ensuring end-use performance in automotive upholstery, awnings, filtration media, and sports textiles, while maintaining compliance with fastness tests and environmental safety regulations.

    Industry compliance standards

    • OEKO-TEX® Standard 100 ( Textile eco-certification)
    • ISO 105-B02 (Textiles—Tests for color fastness to artificial light: Xenon arc fading lamp test)
    • REACH Regulation (EC) No 1907/2006
    • ISO 9001:2015 (Quality Management Systems)

    Typical usage ratio

    • 0.02–0.15% by polymer mass, increased for higher UV resistance demands or thinner denier fibers

    Downstream process integration

    • Dispersed into PET or PA melt during resin preparation before spinning and drawing processes

    Final product types

    • Outdoor upholstery fabrics
    • Technical geotextiles
    • Filter media for air and liquids
    • Sports and performance apparel
    Free Quote

    Competitive 3-Hydroxybenzophenone 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

    Get Free Quote of Sinochem Nanjing Corporation

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    Introducing 3-Hydroxybenzophenone: Direct Insights from Our Manufacturing Floor

    Understanding What Sets 3-Hydroxybenzophenone Apart

    Every day in the plant, our teams handle and refine materials needed across industries that push boundaries in plastics, coatings, cosmetics, and specialty chemicals. One compound keeping pace with new demands is 3-Hydroxybenzophenone, often recognized under its CAS 92-86-4. At first glance, this pale yellow to off-white powder does not seem remarkable, but its influence on end-product performance and stability stands out clearly to formulation chemists and product engineers. Our own work with this material stretches back more than a decade. Early on, many manufacturers, including us, wrestled with consistency in purity and reactivity. Through investments in synthesis routes and close monitoring of process controls, our teams now deliver 3-Hydroxybenzophenone with tight specification controls. Typical product purity exceeds 99%. Each batch flows through a closed-loop quality check, aligned with both domestic and international standards for chemical manufacturing.

    Our customers rely on this compound’s robust UV-absorbing properties. The core benzophenone backbone supports a hydroxy group positioned at the meta [3-] location, which tunes its absorbance profile and reactivity profile compared to ortho or para analogs. With an exact melting point usually around 144–146°C, and a molecular weight of 198.21 g/mol, handling and downstream application processes benefit from ease of measurement and reproducibility. Chemists in our development teams discovered that 3-Hydroxybenzophenone demonstrates greater resistance to photodegradation than other benzophenone isomers, making it a clear first choice for plastic compounds, coating formulas, and specialty inks exposed to strong light or prolonged outdoor use.

    How Experience in Chemical Manufacturing Shapes Product Quality

    Production scale brings new variables into play. In our full-scale reactors, temperature and agitation must remain stable, solvents need to be kept vigorously controlled to avoid batch-to-batch variability. Over the years, minor process tweaks proved crucial—the control of pH during hydrolysis, the filtration steps built into each cycle for achieving consistently low levels of trace impurities, the use of spectral analysis after each crystallization run. Having direct oversight of each stage ensures that by the time the product leaves our site, it meets the structural and purity demands needed for downstream applications.

    Some customers working in coatings or polymers appreciate not only the purity but the uniform particle size from our process, which supports even distribution in both solvent-based and aqueous formulations. Proper selection of sieving apparatus at the final drum-filling step matters. Particles out of range can trigger unwanted clumping in extrusion or dispersion lines, causing unexpected downtime. Our operators know that quality comes down to the smallest of process details.

    Applications: Why Industries Keep Coming Back to 3-Hydroxybenzophenone

    3-Hydroxybenzophenone stands as a preferred choice for many engineers tasked with boosting UV stability of plastics and surface coatings. Decades of laboratory and in-field evidence confirm its capacity to absorb damaging UVA and UVB rays, diverting this energy before it triggers unwanted yellowing or chain scission in polymer matrices. Polycarbonate sheets for outdoor signage, high-value polyurethane coatings for automotive and construction uses—these are just some regular end-users of our product. In these applications, our material works as both a UV filter and a precursor for further chemical modification.

    Many industrial chemists use 3-Hydroxybenzophenone as a starting material for producing further derivatives: ethers, esters, and specialty photoinitiators. We have learned that tailoring solvent systems for the material’s inclusion into various resin systems can impact dispersion quality and shelf stability. There is no single “best” recipe—polyester-based enamel calls for different integration techniques than a waterborne alkyd. Over the years, we have worked with teams downstream, sharing notes on solvent compatibility and dispersion tips as real-world challenges arise. What works in small lab batches sometimes fails in the 5,000-liter tank, and direct conversations with our team often solve problems before they become full-scale headaches.

    How 3-Hydroxybenzophenone Compares to Other Benzophenone Products

    From a chemist’s point of view, 3-Hydroxybenzophenone earns its place in industrial systems because structure impacts function. Closely related benzophenones, such as 2-Hydroxybenzophenone or 4-Hydroxybenzophenone, differ in both their UV absorbance characteristics and reactivity. The position of the hydroxy group changes electron distribution across the aromatic rings, impacting both solubility and photoactivity. Our lab has run side-by-side comparisons in actual end-use plastics, finding that the 3-isomer tends to blend better in highly polar resins, while the 2-isomer sometimes performs better in polyolefin systems, depending on overall formulation balance.

    Some formulators have tried cheaper or non-hydroxy-substituted benzophenones, looking to cut costs. Over and over, we have seen customers circle back after trials due to sub-par UV screening or unpredictable color shifts. A benzophenone core without the hydroxy group lacks the crucial hydrogen-bonding and photostability needed for outdoor or high-performance uses. Ultimately, chemistry dictates utility—3-Hydroxybenzophenone covers needs where longevity and color preservation hold equal weight.

    Challenges and Solutions Today’s Market Demands

    Cost pressures touch every part of our supply chain. Fluctuations in raw material cost, international freight, and environmental compliance never take a break. A few years back, we encountered a spike in precursor prices following a shutdown at a major supplier. Our response leaned on long-term relationships up and down our network, as well as a willingness to adjust batch runs and allocate finished product in ways that supported customers with critical timelines.

    Strict environmental regulations affect how we operate and how customers perceive us. The production of 3-Hydroxybenzophenone involves condensation reactions and purification steps that generate organic waste streams. Decades ago, these would have left the facility with little treatment. Today, our on-site effluent management system neutralizes these waste streams, and our team tracks metrics each week. This satisfies both regulators and sustainability teams in large multinationals seeking to reduce their own downstream impact. Our green chemistry initiatives reduce the footprint of our process, aiming to recover and recycle solvents where possible while using closed-system technology that minimizes exposure risks for our operators.

    Product consistency remains non-negotiable. Some customers maintain contracts that specify spectral fingerprints or chromatographic purity to 99.5% or greater. This puts added strain on manufacturing teams, especially during equipment switchover for different processes. Continuous investment in both analytical equipment and technician training gives us confidence in meeting these needs. Our QC labs run daily calibration routines, and senior staff trace performance metrics not only by the batch but by operator team. Mistakes and variability show up fast, so transparency and rapid problem-solving keep our standards high.

    Real-World Insight: What We Have Learned Building Customer Trust

    Customers rarely request 3-Hydroxybenzophenone for its own sake; rather, they buy results. UV deterioration, loss of mechanical performance, and unwanted yellowing in consumer products eat away at margins and brand reputation. If a batch underperforms in a product run worth hundreds of thousands of dollars, the impact is direct. Trust builds with track record, and we have learned to supply not just product but also process insight. Whenever a customer calls about unusual behavior in their process or end product, our technical service teams review actual batch data and offer both potential root causes and possible fixes.

    The demands placed on chemical manufacturers have shifted in recent years. Outsourcing and consolidation mean fewer partners offering hands-on assistance. Many of our customers, ranging from mid-sized plastics shops to global paint brands, have reduced their in-house technical bench strength. We stepped forward by building a technical advisory group that sits close to both plant operations and customer-side troubleshooting. This group shares real-life process data, not just standard datasheets or generalized advice. A few months ago, a recurring customer encountered unexpected precipitation in a new high-solid film application. Standard filtration protocols in their mixing system clashed with the particle size in our latest batches. Direct feedback sent our QC team back to the process line to tighten milling parameters, preventing further downtime in the customer's facility. Such exchanges teach us as much as our partners, and every challenge closes the loop between manufacturing and application.

    Looking Forward: Adapting to Shifting Demands and Regulations

    Innovation never stops at the plant level. New regulatory frameworks force adaptation each year. Regions around the world enact tighter restrictions on detectable residuals, worker exposure limits, and permissible additives in consumer goods. Our internal compliance teams track pending proposals and analyze how shifting thresholds may impact both our own process and the downstream uses of 3-Hydroxybenzophenone in packaging or coatings that touch foods or skin. Advance planning assures our customers that reformulated products will arrive on time and meet standards before market enforcement forbids legacy formulations.

    R&D projects seeking to extend shelf life, color fastness, or compatibility with bio-based polymers often start with 3-Hydroxybenzophenone. Sometimes the compound works best as a direct additive; other times, as a building block for modified UV stabilizers using greener, less persistent chemical frameworks. We stay ready to synthesize custom derivatives when needed, leveraging the structural flexibility built into our multi-purpose reactor suites. Intellectual property teams on both sides often get involved to lock down unique structural improvements that save downstream formulators on additive loadings and compliance paperwork.

    Manufacturing agility extends to packaging options and logistics. Some clients require lot-by-lot tracking; others request additional certification for food contact or skin contact applications. Batch sizes may vary from 25-kilogram samples to multi-ton hauls destined for contract blenders worldwide. Rapid response in logistics, clear paperwork, and the flexibility to revalidate batches if needs change all fall under our routine scope of business.

    Supporting Innovation in a Changing Chemical Landscape

    As raw material prices and regulatory complexities grow, choosing the right supplier means more than just scanning a spec sheet. Decades of direct manufacturing experience with 3-Hydroxybenzophenone means we answer questions based on real plant data, not marketing copy. Our track record does not come from reselling, but from building and running the actual reactors, tweaking the controls, and learning alongside our partners in the field.

    Crafting quality material at scale takes constant monitoring. On each line, operators understand the steps required to limit off-spec output. Analytical chemists walk from control room to bench, comparing spectral signatures and digging into HPLC traces for every major lot. These steps make sure that every drum or tote that reaches a customer’s site will fit straight into their process without surprises. The direct link between factory and customer saves time and avoids blame-shifting if unexpected questions come up in production or quality review.

    3-Hydroxybenzophenone is not a commodity for us. It is a product that we have refined through firsthand experience, large-scale investment, and a commitment to closing the gap between process know-how and end-user needs. We continue to learn—from process fine-tuning on our own floor to collaborative problem-solving in end-user facilities—and each cycle improves both product quality and trust across the chemical industry.

    Whether your application calls for exacting UV protection in polymers, high-purity intermediates for advanced coatings, or simply a reliable supply partner who understands the intricacies of chemical manufacturing, 3-Hydroxybenzophenone has proven itself. This compound’s place in our own manufacturing roster is built on performance, adaptability, and a resilient supply chain responding directly to the changing needs of the modern industrial landscape.