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Solvent Benzene

    • Product Name Solvent Benzene
    • Alias Benzene
    • Einecs 200-753-7
    • 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

    329119

    Chemical Name Benzene
    Cas Number 71-43-2
    Molecular Formula C6H6
    Molar Mass 78.11 g/mol
    Appearance Colorless, clear liquid
    Odor Sweet, aromatic odor
    Boiling Point 80.1°C
    Melting Point 5.5°C
    Density 0.8765 g/cm³ at 20°C
    Solubility In Water 0.18 g/100 mL at 25°C
    Flash Point -11°C (closed cup)
    Autoignition Temperature 498°C
    Vapor Pressure 95 mmHg at 25°C
    Refractive Index 1.5011 at 20°C
    Viscosity 0.604 cP at 20°C

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

    Packing & Storage
    Packing Solvent Benzene is packaged in a 25-liter blue HDPE drum with a secure seal, labeled with hazard symbols and handling instructions.
    Shipping Solvent Benzene is shipped in tightly sealed steel drums or approved containers, compliant with hazardous materials regulations. It must be labeled as a flammable liquid (UN 1114) and transported in well-ventilated vehicles. Proper documentation and safety data sheets accompany each shipment to ensure safe handling and regulatory compliance during transit.
    Storage Solvent Benzene should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and heat sources. Keep it in tightly closed, appropriately labeled containers made of suitable materials (such as metal or glass). Store away from oxidizers, acids, and ignition sources, as benzene is highly flammable and toxic. Comply with all local regulations for hazardous chemical storage.
    Application of Solvent Benzene

    Applications of Solvent Benzene in Industrial Manufacturing

    Our Solvent Benzene, produced to the highest industrial standards, serves as a critical raw material for several key manufacturing sectors. Below, we highlight the primary industrial application scenarios, focusing on technical integration, compliance, formulation ratios, and the specific downstream processes that utilize benzene as a solvent or intermediate.

    1. Cyclohexanone Production for Nylon Manufacturing

    Benzene acts as a foundational feedstock for cyclohexanone synthesis, predominantly used in the creation of caprolactam and adipic acid—both essential monomers for nylon-6 and nylon-66. The process requires precise control of benzene input, as it directly affects reaction yield and downstream polymer purity. Plants handling this conversion incorporate advanced oxidation and hydrogenation systems, ensuring full conversion and minimal waste, with continuous monitoring of benzene feedstock parameters for consistent product quality.

    Industry compliance standards

    • REACH Regulation (EC 1907/2006)
    • EU Industrial Emissions Directive (2010/75/EU)
    • OSHA Occupational Exposure Standards (29 CFR 1910.1028 for benzene)
    • ISO 9001:2015 for quality management during production

    Typical usage ratio

    • Benzene dosage typically ranges from 90–95% by mass in the feed input, adjusted based on desired cyclohexanone yield and process configuration.

    Downstream process integration

    • Feedstock input at the catalytic hydrogenation stage for cyclohexanone synthesis
    • Reaction proceeds in high-pressure reactors, with benzene purity critically monitored prior to introduction
    • Post-reaction recovery includes fractionation to recycle unreacted benzene

    Final product types

    • Caprolactam (nylon-6 monomer)
    • Adipic acid (nylon-66 monomer)
    • Cyclohexanone oxime derivatives
    • High-performance engineering plastics

    2. Ethylbenzene Synthesis for Styrene Monomer Plants

    In the styrenics industry, benzene reacts with ethylene to produce ethylbenzene, the direct precursor to styrene monomer. This process depends on highly selective alkylation reactors to maximize conversion efficiency and minimize undesired by-products. Quality control on benzene input ensures compliance with trace impurity limits, as these impact catalyst life and downstream polymer properties. Ethylbenzene production sites utilize closed-loop systems to manage benzene emissions and ensure operator safety in line with the latest occupational standards.

    Industry compliance standards

    • US EPA Clean Air Act (regulated hazardous air pollutants including benzene)
    • REACH Substance Registration for aromatic hydrocarbons
    • ASTM D836 for aromatic hydrocarbon purity
    • ISO 14001 for environmental management

    Typical usage ratio

    • Benzene: 50–55% by molar input ratio in the alkylation feed stream, with ratio optimized based on ethylene availability and catalyst activity.

    Downstream process integration

    • Direct feed to liquid-phase alkylation reactors
    • Integration into dehydrogenation units for subsequent styrene synthesis
    • Continuous separation and recycling of unreacted benzene via distillation

    Final product types

    • Styrene monomer
    • Polystyrene resins
    • ABS and SAN co-polymers
    • Specialty styrenic block copolymers

    3. Linear Alkylbenzene (LAB) Manufacturing for Detergent Industry

    Benzene is alkylated with linear olefins to form linear alkylbenzene, a prime raw material for biodegradable surfactants in laundry and industrial cleaners. Strict adherence to product specification is essential: sulfur, chlorine, and olefin contaminant levels in raw benzene are tightly controlled before alkylation reactors to avoid off-spec LAB and negative impacts on detergent performance. LAB production facilities monitor material balances and refine feedstock input based on panel feedback from downstream surfactant reactors to maintain finished product quality.

    Industry compliance standards

    • EU Detergents Regulation (EC 648/2004)
    • APIC and AICM Responsible Care guidelines on safe handling
    • ISO 14040 Life Cycle Assessment for environmental impact
    • ISCC Plus for sustainable feedstock sourcing

    Typical usage ratio

    • Benzene: 45–52% by weight in alkylation process, ratio tuned for carbon-chain length distribution of LAB

    Downstream process integration

    • Benzene introduction in fixed-bed alkylation reactors (HF acid or solid acid catalyst systems)
    • Integration into continuous sulfonation reactors for surfactant preparation
    • Recycling streams for unreacted benzene within closed-loop process

    Final product types

    • Household and industrial detergent surfactants
    • LAS (Linear Alkylbenzene Sulfonate)
    • Concentrated cleaning agents
    • Emulsifiers for textile scouring

    4. Cumene Route for Phenol and Acetone Production

    Benzene alkylation with propylene produces cumene, which undergoes autoxidation and subsequent cleavage to synthesize phenol and acetone in integrated petrochemical complexes. This process requires stable and high-purity benzene to ensure catalyst longevity and efficient conversion rates. Plants maintain precise dosing rates and implement continuous in-line monitoring of benzene quality to reduce by-product formation, which is critical for achieving high phenol and acetone yield in compliance with downstream resin and pharmaceutical manufacturing standards.

    Industry compliance standards

    • EU Basic Organic Chemicals Regulation
    • ASTM D6971 for benzene quality in alkylation
    • REACH registration for workplace exposures
    • ISO 50001 for energy management in chemical processes

    Typical usage ratio

    • Benzene: 60–65% by molar basis in mixed feed with propylene, adjusted according to catalyst selectivity and target cumene output

    Downstream process integration

    • Charge into alkylation reactors using zeolite or phosphoric acid catalyst
    • Integration into cumene hydroperoxide system for autoxidation and cleavage reactions
    • Feedback loops for benzene recovery and recycle to minimize raw material losses

    Final product types

    • High-purity phenol
    • Acetone
    • Bisphenol A (BPA) precursors
    • Epoxy and phenolic resins

    5. Nitrobenzene Manufacture for Aniline and MDI Production

    Benzene undergoes nitration under strictly controlled acid concentrations to yield nitrobenzene, a necessary intermediate for aniline synthesis. This downstream process is vital in the polyurethane foams industry, especially for the production of methylene diphenyl diisocyanate (MDI). The nitration reaction demands benzene purity above 99.9%, as metallic, sulfur, and oxygenate contaminants critically affect run length and acid regeneration cycles. Production facilities prioritize sequential purification and staged addition to maintain yield and minimize unreacted benzene in effluents.

    Industry compliance standards

    • GMP guidelines for process chemical management in polyurethane manufacturing
    • EU Regulation (EC 1272/2008) on classification and labeling of chemicals
    • OSHA Permissible Exposure Limits (PEL for nitroaromatics)
    • ISO 9001 for traceability and batch consistency in chemical intermediates

    Typical usage ratio

    • Benzene loading: 70–75% by feed ratio in nitration reactors, fine-tuned based on nitric acid strength and aniline conversion targets

    Downstream process integration

    • Metered benzene entry into nitration cascades equipped with acid recycling
    • Sequential temperature control to suppress undesirable side-reactions
    • Post-nitration benzene recovery for low-waste operation

    Final product types

    • Aniline
    • MDI (Methylene Diphenyl Diisocyanate)
    • Flexible and rigid polyurethane foams
    • Polyurethane adhesives and sealants

    6. Alkylaromatic Solvent Supply for Specialty Paints and Coatings

    Benzene is utilized as a high-purity aromatic solvent in the formulation of specialty protective coatings, automotive finish lacquers, and certain industrial adhesives. Strict controls on aromatic content and low non-aromatic impurity levels are essential, as these affect drying time, film integrity, and compatibility with resin systems. Our customers implement closed mixing vessels and vapor recovery to match volatile organic compound (VOC) regulatory limits, while our technical support ensures every batch meets both manufacturer and regulatory requirements for paint and varnish use.

    Industry compliance standards

    • US EPA VOC Regulation (40 CFR part 59, Subpart D)
    • European Directive 2004/42/CE (Decopaint Directive)
    • ASTM D2369 for VOC Content Determination
    • ISO 12944 for corrosion protection coatings

    Typical usage ratio

    • Solvent content: 10–30% by total formulation mass, with precise level optimized for viscosity, drying rate, and substrate compatibility requirements

    Downstream process integration

    • Benzene addition during resin solution preparation and pigment dispersion steps
    • Milling and mixing under controlled temperature to prevent volatilization loss
    • In-line monitoring of solvent levels during batch formulation

    Final product types

    • Industrial alkyd coatings
    • Corrosion resistant metal primers
    • Automotive refinishing lacquers
    • Specialty fast-drying adhesives
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    Certification & Compliance
    More Introduction

    Solvent Benzene: An Essential Building Block for Modern Manufacturing

    Understanding Our Solvent Benzene

    On our production line, solvent benzene never feels like just another commodity. It’s a fundamental raw material with a history connected to modern chemistry and industry. Every drum and tanker we fill comes from a process rooted in consistent quality control, refined distillation, and years of technical expertise. Through direct feedback from longstanding partners in the coatings, adhesives, rubber, and pharmaceuticals sectors, we’ve seen how solvent benzene can become the unsung workhorse in vast and varied production environments.

    Our primary model serves industrial-scale needs with a purity typically driven above 99.9%. Each batch gets tracked from the catalytic reformer to the final finished product, minimizing risks of contamination and off-spec batches. Maintaining tight control over sulfur, toluene, and cyclohexane content supports predictable chemical reactions in processes where the smallest impurity can disturb outcomes. Laboratories performing synthesis, polymer developers, and mainline paint manufacturers alike all demand this stability. They count on batches that meet uniform standards, which help keep downstream applications smooth and productive.

    Specifications That Match Industry Requirements

    Day to day, many teams at our plant monitor benzene’s key specifications. Key factors such as boiling range, flash point, evaporation rate, and water content make the biggest difference between a reliable solvent and a problematic one. Operators calibrate their reactors or blending stations based on these constant baselines. With a boiling point around 80.1 degrees Celsius and low water content typically below 0.02%, the product supports clean separation in extractions and a sharp finish in high-speed printing operations.

    Even minor impurities can trigger foaming, resin instability, or coloring failures. Machine downtime costs money and eats into production schedules, so maintaining purity isn’t just about regulatory compliance. It helps avoid the frustration of abandoned batches or the scramble for last-minute troubleshooting. Consistency keeps production lines productive on both small and industrial scales. Having run both pilot and industrial reactors ourselves, we know that no specification on paper replaces actual reliability in real-world production.

    End-Use Applications and Practical Performance

    When a customer requests solvent benzene, we usually hear it’s for degreasing, resin synthesis, or as a reaction medium. Some use it for extracting pharmaceuticals, leveraging benzene’s solvency properties for cost-effective processing. In the paints and coatings field, solvent benzene helps give products the right flow and finish, reducing defects and ensuring compatibility. Whether you’re breaking down natural rubbers or formulating specialty polymers, a batch of high-grade solvent benzene from our tanks saves time and simplifies operation.

    Experience in the plant has shown us how benzene interacts strongly with adhesive resins and synthetic rubbers, making it central to tire and automotive production. It dissolves a wide range of organic materials, contributing to both speed and efficacy. Unlike some lighter aromatic solvents, benzene balances volatility and solvency, which helps in maximizing throughput in separation and finishing processes. The ease of vaporization assists in faster drying on assembly lines, leading to sharper edges and surfaces.

    Benzene Compared to Other Solvents

    Over the years, comparisons between benzene and similar aromatic solvents—such as toluene or xylene—have come up in customer discussions. Benzene stands out mainly on account of its solvency power, volatility, and boiling point. Toluene and xylene work well in similar roles, but their higher boiling points or lower solvency change the extraction efficiency and speed. For processes needing fast evaporation and sharp separation, benzene usually offers a more precise and controllable performance.

    Safety regulations continue to evolve. Some industries are transitioning to lower-toxicity alternatives, though these often involve trade-offs in cost and technical performance. Our in-house teams track global research and legislation to help customers make informed choices, especially for applications with high exposure risks. Where permissible and technically necessary, benzene serves its purpose without compromise. Where restrictions are highest, we support transitions through thorough cross-testing and tailored application trials.

    Quality Control Experience in Production

    Our lab runs batch analytics every day. GC-MS analysis checks for residual non-aromatic hydrocarbons and confirms aromatic content with precision above 99.9%. The team also looks for trace water and other common impurities, as even fractions of a percent matter. Whenever feedstock supply changes, we retest formulations and calibrate process controls. Sometimes minor changes in catalyst performance or upstream feed composition can affect final product characteristics. By running more frequent QA cycles, problems get caught early—before reaching our customers’ lines.

    Quality teams communicate directly with plant operators, so feedback loops close fast. Over the years, we have invested in updated column control and automated sample monitoring systems. That level of investment reflects lessons learned from real-world incidents, not from spreadsheets. Every time a specification drift almost causes a product off-load, we trace causes through every valve and distillation stage. Practical knowledge is the bridge between chemistry and the production floor.

    Addressing Worker and Environmental Safety

    Handling solvent benzene carries health risks, a reality nobody in production overlooks. Every year brings updated guides for worker exposure, containment protocols, and spill management. Our safety teams provide hands-on education, going far beyond printed manuals. Personal monitoring badges and regular health checks are part of the effort to lower long-term risk, especially for those working near reaction vessels and transfer stations.

    Waste recovery and vapor capture have become daily priorities. Once, venting fumes into the atmosphere represented routine practice; today, recovery units reclaim vapors for recycling or safe disposal. Teams repairing pumps or valves work under strict control with continuous air monitoring. Companies that produce solvent benzene at scale must recognize the ongoing responsibilities involved—downtime for maintenance isn’t a nuisance, it ensures safety first.

    As a manufacturer, we also address regulatory shifts. Changes affecting benzene often ripple out into insurance, transportation, and facility compliance. Teams meet regularly with local authorities and industry groups to clarify expectations and practicalities, keeping lines open before inspections. Safe handling and compliance come not from distant mandates, but from ownership at every stage of storage and transfer. Every operator’s decision matters.

    Supporting Downstream Innovation

    Benzene serves as a base material for products reaching nearly every home and industry. Agricultural chemicals, detergents, dyes, specialty fibers, pharmaceuticals—the connections are everywhere. Formulators developing new adhesives or medical coatings request small adjustments and tailored grades, which we work to provide through close technical engagement. Insights flow both ways; as our customers innovate, we adjust parameters, invest in selective separation, or refine batch controls.

    Some downstream uses now push for bio-based or recycled-source aromatics. The push for green chemistry moves quickly, sparked by both regulation and customer preference. Our technical teams partner with chemical engineers at customer plants to trial bio-derived stocks and test for process compatibility. Working on pilot batches means solving problems on the fly, whether that be adjusting separation cuts or modifying activated carbon treatments. Sustainable alternatives succeed through hands-on cooperation—there’s no one-size-fits-all route.

    Efficient Production and Cost Leadership

    Cost containment matters. Our facility optimizes yields from each feedstock, whether sourced locally or from global partners. Over many cycles, operational experience drives down consumption of auxiliary materials and energy. Heat recovery, improved transfer piping, and in-line monitoring systems help keep operational costs manageable. Lower input costs benefit customers, who rely on us to help protect their own margins. Every detail, from pump calibrations to sampling frequency, matters for long-term efficiency.

    In the last decade, volatility in feedstock and energy prices has tested every producer. We hedge with forward contracts and invest in continuous improvement for turnaround times. Fewer system upsets mean less waste and unplanned downtime. In turn, this reliability improves our own product scheduling and shipping, which many customers have called out as a key advantage during unpredictable market swings.

    Supply Chain Strength and Adaptability

    Sometimes clients ask about the differences between sourcing from a manufacturer versus trading houses or resellers. Producing at scale in our own controlled environment builds trust and resilience. Our team runs the full process from feedstock procurement and process optimization through to final product delivery. This direct management creates a transparent link, reducing errors caused by relabelling, delayed communication, or accidental misallocation.

    Major shifts in global supply chains affect everyone. Pandemics, regional tensions, and raw material price shocks have all stressed distribution systems in recent years. Our logistics teams map out contingency transportation routes and build buffer stock at key points in distribution. In challenging moments, that investment in buffer stock and real-time coordination has reduced lost time and kept critical supplies available for customers.

    Challenges for Modern Producers

    Today’s production environment faces pressure from environmental rules, social responsibility, and public perception. As manufacturers, we accept these are not hurdles but drivers for better practices. Rising expectations motivate investments in cleaner steam systems, closed-loop wastewater treatment, and expanded staff training. Each step improves both our direct operations and how downstream users see the raw materials in their finished goods.

    Digitalization means more sensors, quicker data analysis, and better process control. Teams on the production floor track energy loads and emissions with real-time feedback. Fewer manual logs mean less chance for error and faster troubleshooting. Every improvement in traceability and data integrity translates into stronger answers for regulators and customers demanding proof of origin, purity, and safety.

    Addressing Customer Challenges with Practical Solutions

    Our customers bring their own challenges—aging equipment, sudden changes in raw material availability, or last-minute formulation adjustments. They sometimes need technical advice for optimizing reaction times or troubleshooting unexpected outcomes. Production support staff at our plant have experience running continuous and batch processes, so they don’t just read from scripts but share details that translate into practical on-floor solutions.

    Cross-disciplinary teams work directly with clients to propose modifications, check process settings, or offer technical alternatives if benzene’s use faces restrictions. Where regulations prohibit classic solvent use, we advise on compatible blend ratios or pilot alternative aromatic streams. For clients with specific volatility or solvency constraints, we supply reference samples and live trial support, allowing for on-site performance validation.

    Outlook: Meeting Future Needs Responsibly

    Every year reveals new opportunities and new hurdles. Foresight comes from listening to customers, tracking regulations, and pushing improvements at every step from feedstock intake to finished packaging. Benzene remains a linchpin for many chemical value chains. Responsible use, consistent quality, and unbroken supply stand at the core of our operations.

    Improvements in source traceability—using digital tracking and advanced analytics—have made monitoring and documentation more efficient. Our facility relies on robust automation for faster turnaround and more predictable output, translating into less downtime for customer facilities. These practical advances in production and supply chain management support not only regulatory compliance but also the broader sustainability targets many stakeholders require.

    Commitment to Reliability and Customer Partnership

    What matters to our customers is dependability. They look for flexibility, fast response, honest answers on timelines and challenges. Our daily work centers around upholding these values, supported by years of technical depth and a culture of learning from every batch produced. The responsibility to provide a reliable, consistent, and high-quality raw material goes hand in hand with meeting environmental and safety commitments.

    By staying close to end users and responding openly to concerns, we build trust beyond transactional exchanges. Knowledge gained in production—about equipment, raw materials, and people—carries forward in every delivery. Solvent benzene may not capture headlines, but for us, it embodies the discipline, technical understanding, and care that shape today’s chemical manufacturing.

    Final Perspective: Why Quality Matters, Every Day

    Quality in solvent benzene comes from every step: feedstock selection, process controls, staff training, routine monitoring, and a willingness to adjust as needs evolve. Reliability is not about luck or ticking boxes; it grows from working side by side with customers, learning from outcomes, and constantly refining production practice. This hands-on commitment is how we keep our promises and how we ensure that every drum or tanker that leaves our gates stands up to real-world use—today and long into the future.