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HS Code |
871129 |
| Chemical Formula | C6H6 |
| Cas Number | 71-43-2 |
| Molecular Weight | 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) |
| Vapor Pressure | 95 mmHg at 25°C |
| Autoignition Temperature | 498°C |
| Explosive Limits | 1.2% (LEL) – 7.8% (UEL) by 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 featuring hazard labels, product information, and tightly sealed for safety. |
| Container Loading (20′ FCL) | Petroleum Benzene is shipped in 20′ FCLs, typically packaged in iron drums or ISO tanks, ensuring safe, efficient bulk transport. |
| Shipping | Petroleum Benzene is shipped in tightly sealed drums or ISO tanks, compliant with hazardous material regulations. It should be protected from heat, open flames, and incompatible substances. Proper labeling, ventilation, and grounding are required to prevent static discharge. Personnel must use appropriate protective equipment during handling and transport to ensure safety. |
| Storage | Petroleum Benzene should be stored in a cool, well-ventilated area away from heat, sparks, open flames, and direct sunlight. Use tightly sealed, chemical-resistant containers, properly labeled and grounded. Store separately from oxidizing agents, acids, and other incompatible materials. Ensure storage area has appropriate spill containment measures and complies with local regulations for flammable liquids. Avoid prolonged exposure and inhalation. |
| Shelf Life | Petroleum Benzene typically has a shelf life of 12-24 months when stored in tightly sealed containers under cool, dry conditions. |
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Purity 99.9%: Petroleum Benzene with purity 99.9% is used in pharmaceutical intermediate synthesis, where it ensures maximum yield and product integrity. Low Sulfur Content: Petroleum Benzene with low sulfur content is used in resin manufacturing, where it prevents catalyst poisoning and improves final polymer quality. Stability Temperature 120°C: Petroleum Benzene with a stability temperature of 120°C is used in high-temperature extraction processes, where it maintains chemical stability and minimizes decomposition byproducts. Molecular Weight 78 g/mol: Petroleum Benzene with a molecular weight of 78 g/mol is used in specialty adhesive formulations, where it enhances solubility and uniform mixture dispersion. Volatility 2.8 kPa at 20°C: Petroleum Benzene with volatility 2.8 kPa at 20°C is used in paints and coatings production, where it promotes rapid solvent evaporation and quick drying times. Aromatic Content 100%: Petroleum Benzene with 100% aromatic content is used in rubber synthesis, where it improves cross-linking and tensile strength of the end product. Low Water Content <0.05%: Petroleum Benzene with low water content <0.05% is used in laboratory reagent applications, where it eliminates hydrolysis risk and ensures accurate test results. Flash Point -11°C: Petroleum Benzene with a flash point of -11°C is used in cleaning solvent formulations, where it achieves effective degreasing performance. Density 0.876 g/cm³: Petroleum Benzene with a density of 0.876 g/cm³ is used in pesticide active ingredient extraction, where it provides consistent phase separation and efficient yield. Distillation Range 79–81°C: Petroleum Benzene with a distillation range of 79–81°C is used in ink manufacturing, where it provides controlled vaporization for uniform drying and gloss. |
Competitive Petroleum Benzene prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615371019725 or mail to sales9@ascent-chem.com.
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Tel: +8615371019725
Email: sales9@ascent-chem.com
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Benzene production has roots running deep into the story of every chemical plant. In our plant, daily work with pure hydrocarbons isn’t just a routine; it shapes everything from safety meetings to customers’ choices in the market. We take Benzene, known in the industry as Petroleum Benzene with CAS Number 71-43-2, and refine it straight from the crude fractionation unit, ensuring reliability batch after batch. Model distinctions matter to us because each delivery must fit the application, not just a sales brochure. We use the grades that truly match end-use needs: chemical synthesis, solvent applications, and as feedstock for downstream refining. Customers usually specify two main grades, Industrial Grade and Chemical Grade. For most manufacturers in resins, adhesives, and cyclohexane, the purity—often above 99.85%—sets the standard for every drum we fill. We send certifications that reflect what we see in our own GC analyses every shift, not just what it says in a global listing.
You might wonder how much daily effort goes into getting Benzene out of the naphtha stream. The process isn’t glamorous: steam reforming, extraction towers, rectification in multiple columns, then rigorous post-treatment for sulfur or thiophene removal. We keep a running log of moisture, acidity, and boiling point. Our engineers know how temperature and flow tweaks affect every spec, not just the finished assay. This hands-on discipline means impurity levels don’t exceed what the downstream polymerizer can tolerate. If even trace non-aromatic impurities build up, resins come out cloudy, or the process slows down—field complaints come straight back to us, not to a distant trader. So, we cut each batch with care, send out third-party checks if requested, and talk openly about trace elements like chlorides, meant for colleagues who monitor environmental discharge just as seriously as solvent recovery outputs.
Benzene’s wide appeal isn’t theory to us; across production lines, we see it in daily use. Styrene and phenol plants take up most of our bulk tankers. These operations need uninterrupted supply since a raw material shortfall halts the whole reactor chain. Smaller customers in paints or rubber compounding request smaller lots, and their attention to VOC content has increased in recent years. Chemical plants turning Benzene into aniline, cyclohexane, or as a precursor for detergents demand not just supply but predictability in purity. We built our logistics around those expectations, with railcars, drums, and flexibags rolling out from the warehouse almost every day. Safe loading and integrity trails on seals always come first, because even tiny leaks or cross-contamination lead to long, expensive shutdowns on the customer end. We’ve learned honest information matters more than promises. For pharma-grade derivatives, they check background impurity profiles—so we test, then we test again, and share those results immediately. In downstream adhesives and resin manufacture, haze and discoloration lead to scrap, so clarity and consistency shape every decision on the production line.
In the world of aromatic hydrocarbons, Benzene gets compared to toluene, xylene, and mixed aromatics all the time. We’ve noticed purchasing managers reach for toluene or xylene if the price gap widens or environmental regulation shifts, but for synthesis of ethylbenzene, cumene, or linear alkylbenzene, substitutions just don’t work. Unlike toluene, Benzene delivers consistent reactivity for alkylation and nitration reactions. Polymerization processes require that particular aromatic ring structure. These aren’t lab-scale hypotheticals; over dozens of production campaigns, line operators spot even minor deviations. Toluene’s methyl group or xylene’s pair of methyls change both the reaction rate and product quality—sometimes by a few percent, often enough to warrant customer complaints and rework. For some environmental teams, Benzene’s inherent toxicity profile raises red flags, but from a feedstock perspective, its purity, performance, and industrial familiarity keep it essential.
Specifications for Benzene aren’t left to chance in our plant. A typical batch must meet ASTM standards, with content usually above 99.85%. Boiling point runs from 80.1 to 80.2°C, and we limit non-aromatic content to below 0.05%. Sulfur and chlorides remain under strict control, both for process yield and environmental stewardship. On busy days, our analysts check benzene content by gas chromatography at least twice during filling, not just at shipment’s end. Moisture and acidity can sneak in through poor storage or transfer piping—an issue discovered more than once in older facilities. So, tank cleaning and sampling routines stay detailed and frequent. We audit ourselves, as even a barrel out of spec can disrupt a customer’s production for days.
There are chemical plants that draw Benzene from coke production or reformate sources, but we stick with petroleum-based extraction to avoid byproduct contamination. Customers often ask about the difference between coal-derived Benzene and our product; the answer is consistent: lower polycyclic aromatic and nitrogenous impurities, fewer unwanted tar residues. Those who’ve experienced issues with color, smell, or inconsistent reactivity when using coal-based streams rarely go back. We routinely guide them through that switch, sharing real analysis reports, not just generic data points. From adhesives to insecticides, customers come to trust that our Petroleum Benzene won’t cause shutdowns or quality recalls.
Regulations change year by year, and customers sometimes worry if Benzene will stay available, given its strict toxicity guidelines. As a manufacturer, we track not only our plant processes but regional and global inventory trends, feedstock disruptions, and government announcements. When certain grades become tight due to crude volatility, plants with poor supply chains get caught short. We’ve made forward investments in storage and transportation, bringing flexibility for both large and small customers. Some customers are shifting to alternatives for non-critical applications, such as using toluene in solvent blends, but the bulk of raw material needs—phenol, styrene, cumene—remain Benzene-based. We keep an open line with regulatory agencies, supply end-of-pipe sampling data, and host audits on request. Adapting to volume allocation, maintaining workplace safety, and tracking emerging purity markers—such as trace metals for semi-conductor use—keep our teams alert and ready to adjust at short notice.
No one wants to hear about Benzene spills or emissions, and neither do we. Handling Benzene means walking a tightrope between industrial need and environmental responsibility. Leak detection systems, vapor recovery, and secondary containment aren’t empty words here—each is a result of scars from past mistakes. We focus on closed transfer systems, real-time fume monitoring, and employee health checks every season. The regulatory agencies demand lower permissible exposure levels every few years; we respond with more robust training and equipment upgrades, not just memos and procedures on paper. Chronic exposure claims from decades past have marked both plant history and our approach to engineering controls. We take pride in transparent operations and will halt a batch if anything feels out of the ordinary, because accident response isn’t just legal obligation—it’s personal. Our environmental officers track not just on-site air but also the broader supply chain, making sure Benzene never becomes a silent contributor to groundwater or air pollution in local neighborhoods. These checks take time and money, but our experience confirms ignoring safety only leads to reputational and legal pain.
Over years, our Benzene supports thousands of products. The foam in car seats, packaging resins, even the flavor industry draws on our capabilities. Customers don’t simply want Benzene; they want to avoid batch-to-batch surprises, delivery gaps, or purity failures during plant audits. We don’t oversell; we report downtime, own up to hiccups, and make sure replacement or credit adjustments arrive swiftly. In the adhesives industry, downstream operators call us directly when effluent levels rise, since Benzene reactivity controls everything from bond strength to color stability. Manufacturers of polystyrene and ABS plastics rely on our Benzene’s narrow assay windows; out-of-spec shipments mean machine downtime and lost output. Our turnaround time for spec sheets and post-shipment queries isn’t driven by sales cycles, but by shop floor necessity. Each logistic coordinator and operations lead on our team has faced customer calls about pressure drops, loading line leaks, or unexpected contamination. We fix, investigate, and compensate—then make the sure fixes last.
Benzene’s importance traces back not just to price or availability, but to the practical consequences of failing to meet standards. In our facility, we’ve worked with teams troubleshooting defective batches of nylon or polycarbonate only to trace the issue back to Benzene feedstock with excess sulfur or water. That lesson sticks. Every operator on our line knows a bad Benzene drum might cost a downstream factory millions in lost output, fines, or emergency remediation. We make sure every grade reflects field realities—tight impurity spectra for critical use, more relaxed grades for paint thinners or industrial cleaners. Sometimes, customers ask for off-spec product at a discount; we insist on transparency, documenting analyses and supporting customers’ own checks. Over the years, we’ve built trust not by sacrificing on quality or hiding shipment oddities, but by open book operations. Partners across adhesives, plastics, dyestuffs, and agrochemicals receive detailed spec history and immediate feedback if anything looks off at loading or offloading.
The world doesn’t stand still, and neither do Benzene end-users. The shift toward lower-VOC products, creation of cleaner downstream derivatives, and tightening worker exposure limits all change the way our product leaves the plant. Calls for ISO9001, GMP, and environment-driven audits have grown. We answer those calls by lining up sample retention, cross-checking delivery batches, and running improvement projects every quarter. This isn’t red tape; rapid review and quality circles avoid expensive recalls and keep each tanker, drum or container fully traceable. In cases where end-users switch to bio-based or recycled feedstocks, they come to us with barcodes and tracking requirements triple-checking source and handling. We work with their teams at technical workshops and share handling records as needed. If a customer inquires about specific impurity classes—hydrogen sulfide, water, oxygenates—our technical center shares direct test results. We document these findings in terms accessible to engineers and procurement officers alike, ensuring there’s no mismatch between Benzene supplied and product output expectations.
The Benzene industry, petroleum-based or otherwise, hasn’t escaped public scrutiny. We meet regularly with regional safety and environmental groups to discuss planned expansions, emissions controls, and improvements in transportation logistics. Local communities monitor our emissions and effluents closely, and we invite participation in those oversight processes. When complaints arise about odor or suspected leaks, our response teams act within hours, not days. Transparency in water and air quality sampling, equipment repair, and site access form the backbone of our reputation. No process or output stands isolated behind a fence—community trust is built tank by tank, delivery by delivery. Whether it’s safer packaging materials for city transit or supply for the coating on test tubes in clinics, we trace the effects of our Benzene well past the plant gates.
This business isn’t only about filling containers with pure chemical. Whether the end-user is a major polycarbonate plant or a start-up adhesives company, each partner faces unique risks involving what’s inside those drums and tankers. Our long view is anchored by the lessons from every off-spec incident, delayed shipment, and downstream complaint. Professional pride isn’t about glossy brochures—it’s knowing the next customer audit won’t uncover hidden surprises. We work hand in hand with handlers, suppliers, and end-users to ensure safety, reliability, and compliance sit alongside those purity numbers on each certificate. Benzene from petroleum remains foundational in chemical manufacturing, and every step from extraction to shipment carries our commitment to honest sourcing, diligent monitoring, and real-world usability. Working as a manufacturer means every decision impacts not just cost or output, but the livelihood and reputation of countless people along a very real supply chain. Through decades of continuous operation, we take that responsibility seriously every shift, every shipment, every drop.