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HS Code |
334788 |
| Cas Number | 100-41-4 |
| Molecular Formula | C8H10 |
| Molar Mass | 106.17 g/mol |
| Appearance | Colorless liquid |
| Odor | Aromatic, gasoline-like |
| Melting Point | -94.9 °C |
| Boiling Point | 136.2 °C |
| Density | 0.867 g/cm3 at 20 °C |
| Solubility In Water | 0.014 g/100 mL at 20 °C |
| Vapor Pressure | 9.6 mmHg at 25 °C |
| Flash Point | 18.6 °C (closed cup) |
| Autoignition Temperature | 430 °C |
| Refractive Index | 1.495 at 20 °C |
| Logp | 3.15 |
| Un Number | 1175 |
As an accredited Ethylbenzene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | A 2.5-liter amber glass bottle with a secure cap, labeled "Ethylbenzene," includes hazard symbols and handling instructions. |
| Shipping | Ethylbenzene is shipped as a flammable liquid in tightly sealed, properly labeled containers, typically drums or tanks, following hazardous material regulations. It must be transported away from heat, sparks, and oxidizing agents, with appropriate ventilation. Shipping paperwork must reference relevant DOT, IATA, and IMDG classifications to ensure safe and legal handling. |
| Storage | Ethylbenzene should be stored in tightly closed containers in a cool, well-ventilated area, away from direct sunlight, heat, and sources of ignition. Store away from oxidizing agents and incompatible materials. Use explosion-proof electrical equipment. Clearly label storage containers and ensure proper grounding and bonding to avoid static buildup. Access should be restricted to trained personnel. |
Applications of Ethylbenzene in Industrial ManufacturingAs an experienced chemical raw material manufacturer, we support various sectors in integrating ethylbenzene into industrial-scale processes. Each downstream segment applies specific technical standards, compounding ratios, and distinct process steps to ensure safe, compliant, and efficient end-product manufacturing. Key application areas are outlined below. 1. Styrene Monomer ProductionStyrene producers primarily use ethylbenzene as a feedstock via catalytic dehydrogenation. Facilities require high-purity supply to avoid fouling dehydrogenation reactors and ensure yield consistency. The process typically couples thermal and vapor-phase catalysis. Separation units remove benzene, toluene, and xylenes upstream, while careful monitoring prevents process contamination. The major output is liquid styrene, which downstream users polymerize into materials for packaging, construction, and automotive parts. Industry compliance standards
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2. Paints and Coatings Solvent FormulationCoating manufacturers blend ethylbenzene as an aromatic solvent to control viscosity, dissolving power, and drying time in industrial paints and alkyd systems. The raw material supports pigment dispersion, resin solubilization, and uniform film formation. Producers must comply with environmental solvent restrictions, adjusting ethylbenzene dosage for targeted application and regulatory limits. Blending often occurs in closed mixing tanks with continuous process monitoring to limit exposure risks. End uses include automotive topcoats, metal protection primers, and heavy-duty enamels. Industry compliance standards
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3. Industrial Thinners & Cleaning AgentsFormulators select ethylbenzene as an ingredient in thinners and cleaning agents for removal of heavy-duty coatings, greases, and synthetic resins. Its balanced solubility promotes rapid cleaning and residue-free surfaces required in equipment maintenance and paint shop lines. Manufacturers blend it with mineral spirits, toluene, or xylene to reach desired flash point and cleaning strength. Strict workplace safety and environmental management systems regulate production and batch release. Applied in fabrication plants, printing operations, and machinery maintenance. Industry compliance standards
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4. Production of Specialty Synthetic ResinsResin manufacturers exploit ethylbenzene’s aromatic structure during copolymerization and as a process solvent in certain synthetic resin systems, such as thermoplastic elastomers and unsaturated polyester resins. Formulators select specific monomer compositions based on hardness, flexibility, and end-use certification. Continuous-fed reactor systems monitor the inflow to stabilize product quality, while compliance requires rigorous emission capture for any volatile organic compounds present. Final resins serve as intermediates for composites, adhesives, and specialty coatings in construction, transportation, and electrical sectors. Industry compliance standards
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5. Laboratory and Pharmaceutical Synthesis (Non-Active Ingredient Use)Chemical and pharmaceutical manufacturers employ ethylbenzene as a process solvent and phase transfer agent during organic synthesis steps, particularly for active pharmaceutical intermediate (API) precursors. The material’s inertia and moderate boiling point favor its role in Grignard and Friedel–Crafts reactions, provided end applications do not contact final dosed medications. Purity documentation, GMP tracking, and solvent recovery protocols remain mandatory for batch traceability and occupational safety, especially under regulatory audits. Industry compliance standards
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Competitive Ethylbenzene prices that fit your budget—flexible terms and customized quotes for every order.
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We have been in chemical manufacturing long enough to see how products like ethylbenzene change the landscape for customers looking to create the highest quality products. Ethylbenzene isn’t a trendy new molecule—it’s been a fundamental building block in the chemical industry for decades. Every barrel we produce is controlled right on our site, down to the smallest trace impurity. Our hands-on approach reflects the daily realities of working with a volatile aromatic hydrocarbon that demands respect and precision. Our clients in the plastics, solvents, and specialty chemical trades value product consistency. No one wants surprises mid-batch, and we deliver stability with every shipment.
Ethylbenzene has found its main niche in the production of styrene monomer, which itself supplies a massive global pipeline for the manufacture of polystyrene plastics and resins. Our ethylbenzene consistently falls above 99.8% purity, and we bring that standard to every batch. From our experience, higher purity levels directly reduce issues in downstream catalysts, cut down on process fouling, and eliminate costly interruptions. Our specs matter—end-users have confirmed that resin color and melt flow stay true batch after batch, even as market inputs shift.
Ethylbenzene’s properties don’t suit every chemical process, but it blends strength with selectivity. Its molecular structure—an ethyl group attached to a benzene ring—offers properties unique compared to pure aromatics or straight-chain hydrocarbons. When you’re running a styrene unit, our product’s low trace moisture keeps your catalyst happy. In specialized solvent blends, ethylbenzene’s balance of volatility and solvency works for coatings, inks, and cleaning operations. Customers in the adhesives and paint sectors appreciate how it behaves compared to alternatives like toluene or xylenes, especially where odor and evaporation rates play a role in application.
Running a modern manufacturing plant is about more than just producing a chemical to spec. It’s about what happens when the product leaves our site, reaches yours, and goes into your process tanks. As the actual manufacturer, our team chases detail, from design all the way to delivery. Every shift starts with quality checks that align with international expectations. Yet our work rarely stops at testing. Our technical teams study each operational parameter—including trace impurities like sulfur, water content, peroxides, and even color under controlled lighting. Customers who have visited our site know firsthand how we keep our drums, isocontainers, and tank trucks clean and ready for loadout.
In real-world settings, little things make a big difference. Ethylbenzene can pick up minute levels of polymerizable impurities if stored wrong. We built our finished product facility to prevent that risk—a covered transfer line, nitrogen padding to minimize oxidation, and rapid turnovers so product sits for the shortest time possible before shipping. We learned the hard way that control at every link matters, especially for sensitive users like polystyrene polymerizers or resins manufacturers focused on high-end optical clarity.
Aromatics often get lumped together on a spec sheet, but in practice, their differences jump out with use. Our customers notice right away that ethylbenzene offers a milder odor footprint than pure toluene and evaporates less aggressively than xylenes in most coatings. In polymer production, side reactions and chain-termination caused by impurity carryover can cost an operator dearly. We collaborate directly with clients to understand the effect even micro-level contaminants can have, especially when producing food-grade polymers or ultra-clear packaging.
Toluene, widely used in adhesives and octane-boosting gasoline, sometimes fits projects calling for higher solvency or faster evaporation. Yet for styrene production, where downstream color and molecular weight distribution depend on the cleanest possible feedstreams, nothing beats high-purity ethylbenzene. Xylenes—ortho, meta, and para—isomers—occupy an important space in PET and PTA markets, but their extra methyl branches bring differences in reactivity, solubility profiles, and application performance. Our technical support has guided customers who moved from mixed aromatics to dedicated ethylbenzene streams and saw their rejection rates fall measurably.
Ethylbenzene can behave unpredictably without proper care. Left open to air, it starts to pick up peroxides, and polymerizes quietly if moisture or trace catalysts sneak in. We’ve seen process lines affected by tiny lapses in housekeeping, once even tracing color shifts in a customer’s plastic pellets to just a few ppm of a metal contaminant that came from a valve seal upstream. For this reason, we work with customers to design their storage and transfer setups, offering guidance on stainless steel compatibility, needed nitrogen blanketing, and cleaning procedures using data from our own blend of product investigations and field troubleshooting.
Another issue often glossed over is the impact of trace co-boilers. In distillation, separating ethylbenzene from similar boiling aromatics takes more than just a tall column. We employ advanced fractionation, careful heat integration, and constant online analysis to ensure every drum meets that demanding purity. The flexibility to supply product by railcar, ISO tank, or drum lets us serve different customer needs, but we always caution users to treat every handling system with respect. Leakage—whether invisible in a seal or at a loading arm—creates big headaches in terms of vapor exposure and compliance, and it takes hands-on measures to keep everything contained and secure.
We’ve learned, sometimes painfully, that chemical leaks don’t wait for your schedule. Ethylbenzene’s vapor pressure leads to rapid vaporization. Air monitoring and personal protective equipment are not just regulatory checkboxes; they are habits built from real safety incidents. Working directly with our own teams and clients, we've developed training programs informed by best practices and actual case studies. Anyone handling ethylbenzene, from the plant floor to the receiving dock, knows that respiratory protection and spill response planning aren't optional. One slip can lead to reportable emissions and, worse, put people at risk.
Handling flammable, volatile aromatics on a bulk scale tests every safeguard in a facility. Our site runs continuous emissions monitoring, so fugitive losses can’t sneak by unreported. We share that vigilance with customers, teaching methods to minimize vapor emissions during tank venting and process maintenance. For neighbors and the environment, our ethic is simple: keep everything inside the pipes. On the rare occasions we meet an off-spec event, we never release the batch—we track and account for it with full transparency.
Chemical manufacturing never stands still. Equipment wears, feedstocks fluctuate, regulatory targets move. We’re constantly upgrading, from process controls that spot parameter drift to refining steps that catch even the trace co-boilers or chlorinated contaminants missed by less advanced plants. Regular endpoint reviews with our production operators push us to ask: how can we drive another 0.01% improvement in purity, or shave minutes off a batch turnaround with zero compromise in safety?
Downstream, trends in plastics legislation keep evolving. Some regions demand ultra-low trace benzene or total absence of certain stabilizer salts. We track these changes with genuine concern, engaging directly with polymer chemists, large converters, and even consumer-facing brand owners. Whether adapting to new food-contact thresholds or reducing the environmental impact of our operations, we tackle each challenge in step with customers and partners. Customers come to us with new process bottlenecks, and we work side-by-side with them—not because it is required, but because their challenge is ours.
Over years supplying this material, we have heard just about every application challenge, from gummed pump rails to color shifts in final molded products. We are transparent about the learning curve. Ethylbenzene doesn’t behave exactly like any other aromatic—its vapor pressure, flash point, and interaction with various resins demand specific handling. As a producer, we invest in field visits and customer feedback loops. In one case, a producer of medical-grade plasticware traced sterility test failures back to trace aldehydes present in their ethylbenzene supply from a trader source. We worked with their team to run our own small-scale conversion and followed their downstream results, landing on a new filtration protocol that resolved the failure rate.
The most valuable insight we offer: cutting corners on the chemical supply never pays off. Every shortcut in monitoring, container selection, or process blending turns minor headaches into lost production invites, product rejects, or safety scares. We have lost sleep over minor quality fails just as much as customers have. That history pushed us toward a culture where every near miss gets dissected and improvements get implemented before someone asks.
Working as the direct manufacturer means facing compliance head-on. Environmental regulators look for more than paperwork—they require demonstration of process integrity. We invite regular audits and third-party checks, both to keep ourselves sharp and to reassure customers relying on our product for sensitive uses. Customers in pharmaceuticals, high-end coatings, and food packaging demand tight batch traceability, so we maintain records that follow the product from start to customer receipt, stored securely and made available as needed.
Available international regulations such as REACH in Europe and TSCA in the United States define limits on allowable trace substances and byproducts. We match our operations to the toughest of these standards, not just for the sake of compliance, but from an understanding that a single out-of-spec shipment could shut an entire process line. We’ve faced sudden regulatory shifts, and built redundancy into our lab capabilities—routine gas chromatography, mass spectrometry, even rapid optical scanning when shipment timing overlaps with regulatory deadlines.
The biggest feedback we get from long-term partners comes down to reliability. Nobody wants to requalify their production or halt their lines while chasing down supply hiccups. As a direct producer, we own the production process, from raw benzene and ethylene feeds through to the finished ethylbenzene. Sourcing these inputs ourselves, under strict controls, keeps impurities to a minimum and lets us move quickly if issues develop upstream. Our logistics teams book rail, truck, or ocean transport directly, minimizing delays and mishaps caused by third-party confusion.
During the pandemic and raw material squeezes, integrated production helped us ride out shortages. Where others scrambled to find spot supply or tolerate lower-quality imports, our onsite storage and forward contracts kept core customers running. That stability is not an accident; it comes from investing in both physical infrastructure and people able to spot risk before it becomes a shipping delay or batch rework.
Plants don’t run on single barrels—they run on predictable, reproducible chemistry. Our experience has shown again and again that purity and batch-to-batch consistency offer large payoffs in the long run. Less downtime fighting off-process reactions. Fewer off-spec product drags. Customers often don’t see some of the costs cheapened supply brings until they run into contaminated catalysts or waste streams that fail wastewater discharge limits. We invite technical teams from our customer sites to see the upstream controls we have in place, and many have left saying the plant looks more like a pharmaceutical operation than a commodity chemical site.
It is tempting, especially when margins get tight, to chase lower prices through commodity traders or distant exporters. What gets overlooked are the real costs tied to downstream variability. That's why we focus investment in the analytics, personnel, and equipment that keep our output inside the narrowest possible spec. Downtime and rework eat up any paper savings, and missed shipments or penalty clauses can quickly eclipse small price differences per ton.
The world of aromatics has grown more demanding as new polymers, resins, and coatings enter the market. We see this up close as our partners develop everything from lifecycle-improved packaging to medical diagnostic plastics. Our role does not end at the shipping dock. Chemists and engineers from our team have worked directly with R&D groups to experiment with new catalyst systems, investigate recovery of spent blend streams, or trial alternate purification steps.
Some recent projects have included exploring bio-based aromatics as co-feeds, capturing learning to share across our customer base as demand for lower-carbon footprint materials rises. We don’t overstate our role in the end innovation, but as the base chemical producer, we see ourselves as the first link—and, in some cases, the problem-solver called in when results stray from expectations. Close communication and sharing of technical knowledge have led to process improvements that benefited entire client portfolios.
Our years in this sector have taught us that reputation grows with every batch and every issue solved. We view every customer complaint as an opportunity to tighten controls and every success as a credit to the skilled operators, technicians, and support teams who care about doing things right. Market pressures shift, but product quality and customer trust stick around far longer. Investing in the hard work of daily plant operation, constant sampling, and communication means our ethylbenzene goes out to customers ready to do real work—without compromise, cancellations, or costly troubleshooting.
Whether you are a long-standing industry player or working to scale a new operation, the difference direct production brings—measured in uptime, consistency, and real-world traceability—shows in your long-term results. Our commitment is not abstract: it is made every day, on the plant floor and in the field, with each drum or tank we fill.