|
HS Code |
614444 |
| Product Name | Sinopec Styrene |
| Chemical Formula | C8H8 |
| Cas Number | 100-42-5 |
| Appearance | Colorless, oily liquid |
| Purity | ≥99.8% |
| Molecular Weight | 104.15 g/mol |
| Boiling Point | 145 °C |
| Melting Point | -30.6 °C |
| Density | 0.909 g/cm3 (20 °C) |
| Flash Point | 31 °C |
| Solubility In Water | 0.3 g/L (20 °C) |
| Odor | Sweet, aromatic |
| Refractive Index | 1.546 (20 °C) |
| Autoignition Temperature | 490 °C |
| Hazard Class | 3 (flammable liquid) |
As an accredited Sinopec Styrene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Sinopec Styrene is packaged in 200-liter blue steel drums, featuring hazard labels, product name, and batch information displayed clearly. |
| Container Loading (20′ FCL) | Container loading (20′ FCL) for Sinopec Styrene: 80 drums per 20′ container, totaling 16 metric tons, safely secured and palletized. |
| Shipping | Sinopec Styrene is shipped in tightly sealed, corrosion-resistant drums, ISO tanks, or bulk containers to ensure safety and product integrity. During shipping, the chemical should be kept away from heat, direct sunlight, and incompatible materials. Proper hazard labeling and documentation in accordance with international transport regulations are strictly followed. |
| Storage | Sinopec Styrene should be stored in tightly sealed, stainless steel or carbon steel containers in cool, well-ventilated areas away from heat sources, direct sunlight, and ignition sources. Storage areas must be free from inhibitors and moisture. Avoid contact with oxidizers and acids. Use explosion-proof equipment and ensure proper labeling for safety compliance. Maintain ambient temperature and regularly monitor for polymerization signs. |
| Shelf Life | Sinopec Styrene typically has a shelf life of 12 months under cool, dry, and well-ventilated storage conditions, away from sunlight. |
Competitive Sinopec Styrene prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615651039172 or mail to sales9@ascent-chem.com.
We will respond to you as soon as possible.
Tel: +8615651039172
Email: sales9@ascent-chem.com
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From our production lines to your finished products, Sinopec Styrene is shaped by decades of engineering experience, stringent feedstock selection, and a tight grip on every stage of processing. For those of us who actually make the chemical, not just move it around, the character of styrene runs far deeper than a line on a product list. At our facilities, each batch reflects real-world control over purity, molecular composition, and trace material content. This material matters because downstream processes rely on every percentage point, every fraction of a contaminant, to hit target results day-in and day-out.
Sinopec Styrene isn’t just a catalog number; it’s the output of careful distillation, polymerization know-how, and continuous investment in cleaner, safer runs. Its color and clarity come from consistently high-purity ethylbenzene and tight process temperatures. In our reactors, a change of one degree or a few minutes more residence time makes a difference—not only to the appearance of the product but also its volatility, storage stability, and performance in polymerization. For molders and compounders using polystyrene or ABS, the baseline quality of their plastic starts here.
We regularly sample every ton for moisture, inhibitors, and peroxide content. Under controlled pipelines and drums, Sinopec Styrene moves fast from dehydrogenation units to final packaging to minimize exposure and polymer risk. This keeps our actual polymerization grade styrene from yellowing or reacting before it gets to you. The work doesn’t stop at shipping; our technical teams support plant trials and field troubleshooting, not with canned advice or “range” values, but with methods learned by running full-scale syntheses under real production loads.
Styrene doesn’t forgive careless handling or off-spec feedstock. Even minor hydrocarbon contamination or trace oxygen can create gel formation or color instability in finished materials. In our operation, manufacturers set input limits not just for their own sake, but for polymer converters and processors worldwide who depend on consistent reactivity and neutral odor.
Product performance hinges on specifications such as purity (typically greater than 99.8%) and low levels of inhibitors like tert-butylcatechol (TBC). These specs aren’t chosen by chance—they result from years of feedback in resin plants and extruder halls. Too much residual benzene, and your molding line suffers worker complaints or regulatory flags for VOC emissions. Too little TBC inhibitor, and storage tanks start to gum up, giving headaches during unloading and dosing. We keep active data on process trends and adapt interventions based on what we see—not just a monthly report, but batch-by-batch verification.
In our refining step, fractional distillation achieves the high purity grades suitable for use in high-impact polystyrene, expandable foam, and ABS. A single degree slip in distillation brings unwanted oligomers or color bodies. Our teams track thermal stress, catalyst usage, and separation parameters every shift, helping to head off batch drift before it reaches your warehouse.
As a manufacturer, people ask what really distinguishes our styrene from a generic drum or spot market supplier. Most often, the difference lies in control over upstream and downstream integration. Sinopec sources and upgrades its own ethylbenzene, which cuts out variability from outside crude streams and keeps our batches predictable in terms of feed components. If you feed plastics, composites, or elastomer lines with our product, you notice fewer off-odor complaints and less downtime linked to impurities or stabilizer drift.
Some buyers notice subtle things—free-flowing liquid with minimal residual sediment, tanks or drums that resist color change over standard shelf lives. It’s not marketing. Our teams deal with styrene every day, whether balancing thermal oxidation or running root-cause studies on blocked filters at downstream processors. That hands-on background gives us the ability to fine-tune storage and shipping methods, whether moving large parcels by rail, ISO tank, or bulk barge.
The push for cleaner, safer, and more reliable styrene starts with feedback from molders, foamers, and resin compounders. For one user, minimizing off-gas and dust during high-shear extrusion can mean switching to our increased-inhibitor grade. For another, the absence of certain aldehydes or other residual aromas counts more than percentage purity; a flaw here wrecks the taste and odor properties of food packaging. Over time, our process technology has shifted to reinforce these points—not because a spec sheet says so, but because we’ve seen the real-world effects in labor hours, cycle times, and customer complaints.
When converters run critical film, insulation, or impact resin production, they don’t just ask for baseline technical data. They want to know batch traceability, inhibitor performance in multi-week transit, and how residuals behave when stored in warm climates or through unpredictable transit delays. These aren’t hypotheticals. We’ve worked through summer freight slowdowns, heat spikes, and port delays to help resolve inhibitor breakdowns and polymerization risks that hurt both our clients and our own reputation.
Every so often, imported volumes with less precise stabilization reach processors, leading to line fouling or stuck valves. Our customers report several tangible improvements after switching to our grade. The storage tanks accumulate less sludge, and feedstock transitions on extruders run more smoothly. Where others patch the symptoms—tank cleaning, periodic hot-wash cycles—we focus on the cause: upstream stability and direct anti-polymerization procedures.
Over years of customer field support, we’ve tagged solution after solution to specific process issues. For example, some foam producers demanded lower color limits for white EPS blocks. Early feedback showed light yellowing linked to residual aldehyde formation in poorly stabilized styrene. Our research teams worked with plant operators, analyzed field samples, and adjusted not just the inhibitor content, but also residence time and oxygen scavenging in every run. This real-world collaboration cuts rework rates and helps clients hit stricter sales tolerances more often.
For a styrene manufacturer operating at modern scale, environmental and occupational safety have become as important as reaching target purity. Styrene’s volatility, odor, and flammability present risks not just during usable product transfer, but from raw material to finished monomer. At our facilities, vapor recovery units, spill containment, and closed-loop transfer reduce worker exposure and air emissions. Every production shift, operations personnel carry out leak detection and rapid-response training, aiming to head off issues before they become incidents.
Customers have asked for more details about the environmental steps behind their raw materials. We provide evidence-backed emissions data, lifecycle analysis, and transport risk records. When regional regulations in Asia or Europe tighten purity or emission standards, we integrate those findings into our design basis and process audits. We see these measures not as hurdles, but as evidence of a changing industry—one where manufacturers hold a seat at the table in shaping tomorrow’s sustainability and safety benchmarks.
Polystyrene and ABS get most of the headlines, but our styrene serves a wider circle—copolymers, synthetic rubbers, ion-exchange resins, unsaturated polyester resins, and specialty surfactants. For each sector, the most important measurement changes. Tire engineers call for freedom from certain monomer side-products that cause brittleness; appliance molders focus on stress crack resistance from known oligomer content. We adjust process conditions, sometimes in response to a single customer trial, sometimes across an entire year’s production plan.
OEMs and fabricators in automotive, electronics, insulation, and packaging choose Sinopec styrene for more than the numbers on a test certificate. They value a supplier who’s honest about batch history, who investigates delivery or process problems, and who works to recover production windows after unexpected delays, not just price. In our world, a missed deadline or off-color batch has consequences reaching down the supply chain, affecting end-consumer trust and safety.
Styrene’s properties can make it difficult to handle and store, especially in climates with wide temperature swings or volatile logistics networks. Expanding urban areas and changing weather patterns in Asia bring the twin challenges of stricter environmental oversight and greater variability in input costs. Our plants invest in better feedstock management, process safety systems, and automated storage tank monitoring. We track inhibitor decay and temperature shifts in real-world conditions so we can guarantee performance even after extended transport or unexpected delays.
On the plant floor, older transfer systems or lazy cleaning routines can trigger early polymerization, causing not just lost inventory, but costly downtime and equipment wear. In response, we worked with polymer processors to design better transfer protocols and drum venting methods, grounding changes in actual solvent cleaning cycles and their impact on maintenance budgets. Taking feedback from operators—from mistakes to near misses—improves safety margins and product reliability across the board.
Technical support isn’t an afterthought. For each major account, our technical team keeps a direct line open, troubleshooting performance, shipping, or storage issues—sometimes on the first drum, sometimes years into a supply partnership. A single off-spec sample can trigger a full batch review. We know that for some customers, a fast response means the difference between a quick fix and a factory-wide backlog. Field calls and troubleshooting visits are part of our regular worklife, not treated as rare exceptions.
We share raw batch reports, contamination analysis, and product traceability records—not because it’s required, but because sharing hard data helps buyers plan and adapt. Some of our most effective process improvements come directly from joint investigation efforts when end-users experience unexplained yield shifts, color changes, or gumming during product runs. Instead of dismissing these as “user error,” our staff treat them as opportunities to validate, test, and improve both manufacturing and technician training in real field settings.
Looking forward, we keep investing in process automation, energy efficiency, and batch tracking. The move to more advanced distillation and inhibitor stabilization lets us trim unwanted by-products and improve shelf life in hotter storage yards. We’re piloting even tighter analytics—on both the raw ethylbenzene and the finished styrene—allowing us to catch minor blips before they turn into lost revenue or quality failures for the end user.
Sustainability pressures guide our work, not just at the permit or audit level but down to solvent recycling and heat recovery inside the plant. Increasingly, customers want assurances about the carbon footprint of each batch, not only purity or compliance paperwork. Our research teams track every significant input and waste stream so that future grades can meet both regulatory needs and the evolving expectations of brand owners and retailers.
Whatever the processing challenge, our approach stays steady: keep specifications honest, keep results consistent, and stay open to the daily realities of chemical production. Years of running refinery equipment, fixing leaks, upgrading controls, and facing customer audits have taught us that true reliability goes far beyond ticking regulatory boxes.
As a producer, our role stretches from selecting the right crude inputs all the way through to packaging, delivery, and on-site technical backup. We customize advice and process tweaks not from theoretical best practices but from lessons learned handling thousands of tons and troubleshooting line issues in real time. End-users have a right to expect not only a stable product but also a partner who won’t disappear at the first sign of trouble.
Sinopec Styrene represents our experience and accountability. Every drum, every tank, and every consultation tells the story of what it takes to keep projects on-time, batches in spec, and customer relationships governed by trust rather than contracts. From food-grade packaging lines to high-impact automotive plastics and everything in between, we’re committed to making sure you see the difference that comes from working with a dedicated manufacturer. Our doors stay open for feedback, cooperation, and continuous improvement—because that’s what it means to produce, not just trade, styrene.