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HS Code |
219529 |
| Cas Number | 71-43-2 |
| Molecular Formula | C6H6 |
| Molecular Weight | 78.11 g/mol |
| Appearance | Clear, colorless to light yellow liquid |
| Odor | Sweet, aromatic |
| Boiling Point | 80.1°C |
| Melting Point | 5.5°C |
| Density | 0.8765 g/cm³ at 20°C |
| Solubility In Water | Slightly soluble (1.8 g/L at 25°C) |
| Flash Point | -11°C (closed cup) |
| Vapor Pressure | 12.7 kPa at 20°C |
| Autoignition Temperature | 498°C |
| Explosive Limits | 1.2-7.8% (volume in air) |
As an accredited Petroleum Benzene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Petroleum Benzene is packaged in a 200-liter blue steel drum, clearly labeled with hazard symbols, product name, and handling instructions. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for Petroleum Benzene involves securely packaging and loading drums or ISO tanks for safe international shipment. |
| Shipping | Petroleum Benzene should be shipped in approved, tightly sealed containers, away from sources of heat, sparks, or open flames. It must be clearly labeled as a flammable and toxic liquid, complying with all relevant transportation regulations. Adequate ventilation and spill containment measures are essential during handling and transit. |
| Storage | Petroleum benzene should be stored in tightly closed, properly labeled containers in a cool, dry, well-ventilated area away from sources of ignition, heat, and incompatible substances such as oxidizers. Keep containers grounded and protected from physical damage. Use explosion-proof equipment and avoid direct sunlight. Ensure storage areas comply with local fire and safety regulations and are equipped with spill containment measures. |
| Shelf Life | Petroleum Benzene typically has a shelf life of 12-24 months when stored in tightly sealed containers under cool, dry conditions. |
Applications of Petroleum Benzene in Industrial ManufacturingAs a foundational aromatic hydrocarbon with broad industrial relevance, petroleum benzene serves as a key intermediate in numerous critical value chains. Our production process ensures high-purity petroleum benzene suited for stringent market requirements. Below, we highlight real-world, large-volume downstream applications where our petroleum benzene integrates into established manufacturing sectors, specifying compliance requirements, formulation practices, processing stages, and typical end products. 1. Production of Ethylbenzene for Styrene Monomer ManufactureThe largest global use of petroleum benzene lies in ethylbenzene synthesis, a pivotal precursor for styrene monomer and ultimately for expanded and solid polystyrene resins. Manufacturers typically introduce benzene via alkylation with ethylene in fixed-bed reactors, utilizing catalysts such as zeolites. Consistant product quality and regulatory compliance represent critical aspects, particularly for feeding large-scale polymerization assets supplying the automotive, insulation, and packaging sectors. Industry compliance standards
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2. Cyclohexane Synthesis for Nylon IntermediatesMajor chemical fiber stakeholders rely on benzene as the core raw material for cyclohexane, enabling further downstream transformation into adipic acid and caprolactam, which anchor global nylon 6 and nylon 6,6 value chains. Typically, hydrogenation under high pressure with nickel or noble metal catalysts yields cyclohexane with consistently low aromatic residue, meeting technical demands for fiber- and engineering-grade polymer applications. Industry compliance standards
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3. Cumene Pathway for Phenol and Acetone PlantsBenzene’s use in cumene synthesis provides the essential aromatic base for both phenol and acetone manufacturing, underlining its role in downstream applications spanning engineering plastics, high-performance coatings, and resin-based adhesives. Cumene alkylation typically employs a 1 Industry compliance standards
Typical usage ratio
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4. Linear Alkylbenzene (LAB) Manufacturing for Surfactant IndustryPetroleum benzene enables large-scale production of linear alkylbenzene, an indispensable surfactant precursor. This process alkylates benzene together with linear paraffins using hydrogen fluoride or fixed-bed catalysts. Strict process controls ensure LAB quality suitable for biodegradable detergent applications and regulatory acceptance, particularly for formulations intended for home care, industrial cleaning, and textile processing sectors. Industry compliance standards
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5. Aniline and MDI Value Chain for Polyurethane IndustryBenzene is a cornerstone raw material in the nitrobenzene-to-aniline production route, a feedstock for methylene diphenyl diisocyanate (MDI), essential in rigid and flexible polyurethane foam sectors. The process requires precise control of nitration and hydrogenation stages to obtain aniline of adequate purity for downstream phosgenation, allowing the polyurethane industry to meet demanding performance and safety profiles in insulation, automotive, and construction markets. Industry compliance standards
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6. Maleic Anhydride and Phthalic Anhydride Intermediates for Resin and PlasticizersAs a core aromatic hydrocarbon, benzene supports large-scale production of phthalic anhydride and maleic anhydride through vapor-phase oxidation, delivering critical intermediates that enable electrical insulation resins, flexible PVC plasticizers, and performance coatings. These downstream operations demand rigorous input control, as aromatic purity and contaminant removal directly impact conversion efficiency and finished product specifications for wire enamels and flexible polymers. Industry compliance standards
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Competitive Petroleum Benzene prices that fit your budget—flexible terms and customized quotes for every order.
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Few chemicals have played as steady a role in industrial progress as benzene. Years on the shop floor and lab benches taught us any weakness in raw benzene quality quickly turns into headaches downstream—lost time, added costs, safety risks. We manufacture our petroleum benzene at source, so quality is nailed down by our own process choices, raw selection, and real-time checks. This results in a product with high purity and stable specs—an absolute must for both small specialty users and major industrial lines.
Benzene is simple on paper: C6H6, a six-carbon ring with double bonds. But simple doesn’t mean easy. Sourcing benzene straight from petroleum streams lets us control the subtle variations that still matter for final use. Our main grades meet industrial requirements for purity, most often above 99.90%, and water-white clarity, verified by continuous in-process analysis.
We don’t take shortcuts with hydrotreating, distillation, or storage. Years of process improvements have reduced trace contaminants — sulfur, thiophenes, and non-aromatics — to levels where they rarely pose issues even in sensitive downstream applications.
Folks in chemical plants and research labs know—using substandard or contaminated benzene doesn't just slow operations, it occasionally forces whole batches down the drain. Chlorination processes, for instance, can stall or misfire if free radicals pick up sulfur instead of a clean benzene molecule. At this scale, “good enough” in benzene means nothing if you have to redo a reactor load or flush pipelines.
We've seen how high-purity benzene means less downtime on catalysts, fewer filter swaps, and less operator oversight. Those hours saved go straight to the bottom line. Lower impurity levels also make a difference in polymerizations, sulphonations, and specialty syntheses—fewer side reactions mean higher yield and cleaner product separation down the chain.
Most buyers aren’t buying benzene to sit on a shelf—they crack it, alkylate it, chlorinate it, or build it into products ranging from styrene and phenol to everyday goods like detergents, packaging, and synthetic fibers. The bulk of our output goes into two main streams: agrochemical precursors and plastics intermediates. Customers lining up for our highest grades often run continuous processes, so they have little patience for inconsistent feedstock.
On the frontlines—take ethylbenzene and cumene producers—consistent supply at spec means avoidance of plant upsets. Fluctuations in benzene’s trace water content or sulfur can corrode compressor lines or poison process catalysts within hours, not days. The result is production stoppages that could cost tens of thousands per shift. Over time, our factory-refined benzene builds trust—operations managers know what to expect once trucks roll up at their site.
We’ve experimented with multiple “models” of benzene cuts through the years. Petroleum benzene comes in several grades based on purity and allowed impurities. While lab texts like to list numbers, the realities always come down to what end-users report. Standard grades such as “Industrial Grade” and “Chemical Grade” cover most needs. For the toughest applications—say, high-performance rubber modifiers or certain pharmaceutical syntheses—custom higher-purity runs lead the pack.
We learned early on chasing that extra fraction of purity comes at cost: energy use, fractionation time, and sometimes lost yield. We balance those realities by keeping an ear to what customers actually require for success, not just what sounds good in specs.
A common question on the line—does it matter if benzene is petroleum- vs coal-derived? From where we stand, absolutely. Coal-derived benzene tends to carry higher levels of polycyclic aromatics and heteroatoms. These traces spell trouble in downstream reactions. Pyrolytic sources risk extra “crud” like tars and non-volatile residues, which gum up lines and foul equipment.
By focusing on petroleum-sourced benzene, our factory sidesteps those legacy issues. The process from reformate streams allows for finer control, both chemically and physically. Ensuring stable benzene means fewer surprises for refiners, chemical syntheses, and even downstream product finishing teams. This stability bypasses the familiar cycle of filter clogging, side reaction management, or expensive rework.
Responding to customers’ concerns, we’ve refined our drum and bulk tanker operations so integrity is kept from plant gate to customer site. Exposure to air and water in transit leads to peroxides and off-odors, a true pain in solvent-extraction or purification lines. Our sealed, nitrogen-padded tanks and strict loading protocols cut out this problem at the root.
Storage details—often overlooked by less experienced vendors—have deep impact by the time material reaches the end user. We’ve seen the difference ourselves: benzene left in vented tanks picks up moisture and oxygen. That might not disrupt bulk commodity production, but in pharmaceuticals or resins, final product quality suffers. Keeping benzene dry and inert isn’t a gimmick, it avoids hotlines ringing and batch traceability headaches.
From hands-on experience, benzene’s toxicity and volatility require constant vigilance. While we invest in closed-loop systems, spark-resistant gear, and air purging, the toughest lessons came from incidents where preventive steps were skipped or training overlooked.
Worker safety means more than posting signs or issuing PPE—it takes real buy-in from supervisors, operators, and logistics partners. We learned the importance of in-plant training and emergency procedures. Our teams rotate on safety drills. Site monitors pick up readings in every storage area. Only by treating each load as a potential risk, not just another lot, have we maintained a reputation for zero-accident shipments.
On emissions, our process cuts evaporative losses and has phased in vapor recovery, not just for local compliance but for reducing waste and insurance headaches. In our region, making sure fugitive emissions are caught means cleaner air for neighbors and fewer surprises at audit time.
Every liter shipped tracks back along the manufacturing flow: reformate batching, fraction collection, purification, and analytical certification. Auditors and international buyers never just take a spec sheet at face value—tracing back to the refinery lot and batch analysis avoids disputes in case a shipment falls out of expected range.
Our regular third-party audits haven’t just satisfied regulatory bodies, they helped hone our internal procedures. We welcome these checks because they reveal process weaknesses in everyday practice before they spiral into larger issues. End-users trust us more because we maintain this level of documentation and accountability.
No “manufacturing execution system” can replace the instinct of a veteran operator or supervisor. Sitting in an office doesn’t let someone feel the pressure change as product flows or smell a shift in vaporization from a tank port. Over years, training the next generation means not just explaining the science, but showing where equipment fails, how specs drift, and what to watch for in sampling.
We keep skilled staff on the floor, not behind screens. A glass sample vial, a quick clarity check, or a simple whiff has revealed bad lots earlier than any digital alarm for decades. Every new process we bring in builds from those lessons.
Tides in petrochemicals don’t stand still. Fluctuations in oil supply chains, geopolitics, and consumer safety standards shape not only the economics but also how we operate. Recent years pushed us to sharpen efficiency and actively cut impurities to tighter levels. Moving toward benzene for cleaner end-products isn’t just talk; customers in electronics, pharma, and food packaging industries now want source documentation and narrower impurity specs. We keep pace with customer needs, investing in better fractional distillation and analytical gear.
Tighter global regulations also prompted us to adapt emission monitoring and introduce rapid response tracking if trace contaminants approach alert thresholds. The trend pushes us toward greener operation while preserving large-volume consistency—a real balancing act, but worth the investment.
Manufacturers in the benzene value chain value continuity. Swapping out suppliers too often usually results in more hassle than saved costs. We get repeat orders because customers see—and measure—results: steady feedstock, less downtime, and predictable outcomes. Our close work with buyers’ technical teams drives process tweaks that yield actual improvements on the production line.
Every alteration, from multi-stage distillation setups to new anti-static measures in filling lines, stemmed from direct conversations with users. We supply technical data only as needed—much of our role involves visiting plants, understanding needs, troubleshooting side-by-side, and learning from each batch.
Innovation gets its reputation from creative solutions at the coalface. We invested in online mass spectrometry after a run of contaminated batches bypassed routine lab checks. Retrofitting sections of plant with improved stainless lines and better monitoring stopped a source of trace iron—previously overlooked—impacting sensitive users. Changes like these didn’t stem from theory, but from real world problems delivered via customer reports and production logs.
No batch or process remains static for long. Competition and technical demands stagger in, yet the discipline of manufacturing-grade benzene requires us to document every adjustment and measure both the upside and any new risks. Customer trust relies on reviewing not just what’s changed, but why, and how quality actually improved.
Supply chain disruptions, shipping delays, and energy cost spikes hit every player in the sector. Keeping the line running—especially during transport bottlenecks or sharp crude market swings—demands foresight and spare capacity. We spent years strengthening relationships with upstream suppliers, investing in in-plant storage, and building redundancy in distilling units, so we don’t get caught short when volatility spikes.
We’ve witnessed competitors scramble or miss deliveries in peak demand seasons. Experience taught us to monitor inventory actively, intervene early if grades don’t meet set targets, and keep clear communications with users. Downstream clients tell us straight when a spec slips, and we act fast to resolve it—sometimes even doing on-site visits to verify in their own lab rather than trading emails or shipping samples back and forth.
Not all benzene users want the same thing. High-purity grades appeal to pharma, electronics, and fine chemicals. Bulk buyers in resins and intermediates focus on value and logistical support. We learned to segment our manufacturing runs rather than take a one-size-fits-all approach. This minimization of “middleman” steps lets us respond faster and more accurately to real orders, not just projected demand figures.
On rare occasions, a customer ran into product performance issues traceable to our supply. We treat these cases openly, retracing batch histories and sharing analytical findings, rather than deflecting blame. Sustainable relationships, not just short-term revenue, keep the business moving in a challenging market.
Doing the same thing every year invites complacency. We built improvement into the culture: quarterly reviews of off-spec incidents, operator-led process upgrades, regular communication with equipment vendors. Employee feedback from both control room and loading dock shapes our next set of investments.
Benchmarking against industry leaders pushes us to refine further—retooling column trays, updating sensors, experimenting with alternative heat integration approaches. All that effort returns to our customers in more reliable product and tighter spec tolerances in every drum, ISO tank, or bulk shipment.
Looking ahead, expectations for traceability, sustainability, and longevity grow yearly. More buyers ask how we source our feed, how we handle by-products, whether our energy use aligns with environmental best practice. These aren’t just regulatory boxes—they’re practical questions that shape our plans for years to come.
We’re taking cues from both industry benchmarks and direct customer requests, making stepwise upgrades to plant infrastructure and documentation. As advanced applications in materials science, pharmaceuticals, and green chemistry enter the mainstream, we remain ready to supply not just high-purity benzene, but dependable service, responsible storage, and the knowledge built on decades at the production front line.
Petroleum benzene’s story in our factory isn’t just a tale of chemical composition or factory layouts—it’s about the discipline of getting things right, batch after batch, to meet the shifting challenges of an interconnected economy. Our work isn’t glamorous, but it makes the difference between smooth production and preventable disasters for customers across the sector.
Through direct experience, continual investment, and a strong focus on both practical and human elements, we supply benzene that adds value beyond the base molecule—anchored in reliability, transparency, and the steady partnership demanded by modern industry.
