Products

AR Styrene 500ml

    • Product Name: AR Styrene 500ml
    • Chemical Name (IUPAC): Ethenylbenzene
    • CAS No.: 100-42-5
    • Chemical Formula: C8H8
    • Form/Physical State: Liquid
    • Factroy Site: No.70 Danzishi Street,Nanan District,Chongqing,China
    • Price Inquiry: sales2@liwei-chem.com
    • Manufacturer: Chongqing Chuandong Chemical (Group) Co., Ltd
    • CONTACT NOW
    Specifications

    HS Code

    119202

    Product Name AR Styrene
    Volume 500ml
    Chemical Formula C8H8
    Molecular Weight 104.15 g/mol
    Appearance Colorless, oily liquid
    Purity Analytical Reagent (AR) Grade
    Boiling Point 145 °C
    Melting Point -30.6 °C
    Density 0.909 g/cm³ at 20°C
    Flash Point 31 °C
    Cas Number 100-42-5
    Odor Sweet, aromatic
    Solubility In Water Insoluble
    Refractive Index 1.546
    Storage Conditions Store in a cool, dry, well-ventilated place

    As an accredited AR Styrene 500ml factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing AR Styrene 500ml is packaged in a clear amber glass bottle, securely sealed, and clearly labeled with chemical details and quantity.
    Container Loading (20′ FCL) The 20′ FCL can load AR Styrene 500ml bottles, typically palletized, ensuring secure bulk transport for industrial use.
    Shipping **Shipping Description:** AR Styrene 500ml ships in a tightly sealed glass bottle, securely packed with cushioning materials to prevent breakage. Transport is conducted according to hazardous material regulations, with clear chemical labeling. The package must be handled with care, avoiding heat and ignition sources. Delivery requires an adult signature.
    Storage AR Styrene 500ml should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from direct sunlight, heat sources, and incompatible substances such as oxidizers and acids. Keep the container away from ignition sources, as styrene is highly flammable. Label the storage area clearly and ensure spill containment measures are in place.
    Shelf Life AR Styrene 500ml typically has a shelf life of 12 months when stored tightly sealed in a cool, dry, and dark place.
    Application of AR Styrene 500ml

    Purity 99%: AR Styrene 500ml with Purity 99% is used in laboratory polymerization processes, where it ensures high yield and reproducibility of polystyrene synthesis.

    Viscosity Grade 0.7 mPa·s: AR Styrene 500ml with Viscosity Grade 0.7 mPa·s is used in resin blending applications, where it provides optimal flow and ease of mixing.

    Stability Temperature 5–35°C: AR Styrene 500ml with Stability Temperature 5–35°C is used in storage and transport protocols, where it maintains chemical integrity and prevents premature polymerization.

    Molecular Weight 104.15 g/mol: AR Styrene 500ml with Molecular Weight 104.15 g/mol is used in analytical reference standards preparation, where it delivers accurate calibration results.

    Boiling Point 145°C: AR Styrene 500ml with Boiling Point 145°C is used in fractional distillation training modules, where it demonstrates precise phase separation and recovery efficiency.

    Refractive Index 1.546: AR Styrene 500ml with Refractive Index 1.546 is used in optical resin formulation, where it enhances transparency and matches desired optical properties.

    Water Content ≤0.1%: AR Styrene 500ml with Water Content ≤0.1% is used in moisture-sensitive reactions, where it prevents unwanted hydrolysis and ensures product consistency.

    Inhibitor Content 10–15 ppm: AR Styrene 500ml with Inhibitor Content 10–15 ppm is used in safe transport of volatile monomers, where it minimizes auto-polymerization risk during storage.

    Flash Point 31°C: AR Styrene 500ml with Flash Point 31°C is used in flammability testing scenarios, where it enables controlled evaluation of ignition hazards in laboratory conditions.

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    Certification & Compliance
    More Introduction

    Introducing AR Styrene 500ml: In the Flow of Real-World Chemistry

    For those of us who have spent years in the thick of chemical manufacturing, small choices often carry big weight. Among the raw materials on our floors, styrene is one that people know by reputation—volatile, demanding, and crucial in shaping applications across our industry. AR Styrene 500ml is not just another bottle on the shelf. It reflects careful control over consistency, purity, and handling from start to finish. You do not have to spend long in a lab or production plant to realize how much small variations in monomers like styrene show up later as headaches: slow reactions, weird spots in polymer quality, or worse, costly rework hours. This product arrives after years of pressure-testing batches and listening to feedback from teams who turn raw chemicals into practical results.

    What Sets AR Styrene 500ml Apart from Bulk Commodity Grades

    There’s no mystery in styrene’s basic function: it polymerizes, giving us materials like polystyrene and copolymers that keep showing up in everything from synthetic rubbers to insulation foams. But not all styrene performs at the same level. Bulk commercial grades, brought in by railcar or drum, may suit applications where impurities or slight variations in inhibitor aren’t a big deal. In the lab, on the pilot line, or in more demanding production environments, these shortcuts catch up. Impurities in regular styrene can trigger unwanted side reactions, throw off the pace of catalyzed processes, or add colored byproducts that downstream users spend more time trying to fix. AR Styrene 500ml grows out of our own experience fielding those calls and complaints. This isn’t a bulk solution decanted for convenience. Each lot tracks back to a controlled distillation, performed in factory settings that we developed with traceability and repeatability in mind.

    The main differences show up in practice. We do not cut corners on inhibitor levels. Each bottle offers clarity and low color, signaling real purity, backed by our own batch-tested records. Experienced researchers, coatings formulators, and polymer engineers—especially the ones who have spent time fishing out gummy residues or dealing with inconsistent yields—have come to recognize the reliability AR Styrene offers. Impurities, even at low ppm levels, become significant if you’re trying to dial in a new process or produce lot after lot with tight specs. Our clients expect more because they have fought through the consequences of "acceptable" bulk product too many times. We set benchmarks so those stories do not repeat.

    Specifications and Routine Practice: Beyond Checkboxes

    Suppliers toss around the term "specifications" as though it means the same thing everywhere. On our side, specifications aren’t lines on a datasheet—they’re a summary of lessons learned through years of running reactions under real pressure. Styrene stays stable only when managed properly. AR Styrene 500ml typically arrives stabilized with a measured amount of t-butylcatechol per industry standards, a level selected through repeated lab runs and open discussion with the people actually using the monomer. This keeps polymerization in check during storage but does not pose a barrier for intended lab work or scaled synthesis.

    We filter every batch and take multiple readings on color and purity. Each bottle is glass, not plastic, with closures that stand up to the solvent. Our own teams handle filling, labelling, and packing—no mystery intermediaries or shipping swaps. We label with production history, so anyone opening the bottle can trace its batch and know the environment it came from. That traceability matters after years working alongside teams who have had supplies contaminated by warehouse mishandling elsewhere. With tightly controlled specifications, routine monitoring, and transparent recordkeeping, we avoid passes-the-blame and deliver a chemical our own staff rely on for sensitive jobs.

    Purpose-Driven Supply: How We’ve Watched AR Styrene Used

    The story of AR Styrene on a shop floor or in a university lab often begins the same way. Standard-issue commercial styrene did the job for a while—until a critical formulation failed, a catalyst didn’t take, or the cost of downstream purification started eating the margin out of a whole project. Our customers told us what kept going wrong. Sometimes, their applications required living radical polymerizations where even small amounts of older, oxidized material could break down chain control. Often, they needed to screen out over-stabilization so a reaction could be cleanly started and stopped. Others demanded unshakable batch-to-batch reliability, eliminating the chronic drift in results that crept in over weeks as more drum leftovers accumulated.

    We built AR Styrene 500ml for these cases: for polymer chemistry teaching, where reproducibility makes the difference between education and frustration; for pilot plant trials, where results matter to investment decisions, not just science; and for high-value polymers, where upstream costs pale next to the cost of failed output. Students in research labs rely on pure, known styrene to prepare block copolymers or to run detailed kinetic studies. Industrial teams depend on cleaner starting materials to prevent surprise foaming, minimize waste, or meet regulatory thresholds for trace contaminants in end-use goods. The more projects we supported, the more we found that nobody wants to guess whether their monomer will work today or set off a chain of troubleshooting tomorrow.

    Quality Control and the Reality of Third-Party “Alternatives”

    Everyone in this field knows shortcuts. We have seen cases where intermediaries or traders fill “AR grade” orders from drums intended for commodity polystyrene plants, throwing in additives or blending leftovers to meet only surface-level purity. These practices don’t show until the failures multiply. As actual manufacturers, we test every incoming raw material and every outgoing small pack by GC (Gas Chromatography), check water content, and run color on each batch. We don’t downgrade off-spec material—if it does not meet the mark, it doesn’t leave the plant in our glass bottles.

    What does this approach mean for the user? There are fewer invisible wildcards. Consistency turns into fewer batch failures, less variability in research runs, and less need for downstream troubleshooting. The teams filling and shipping our AR Styrene are the same people running plant-wide QC routines, so discrepancies don’t slip by. Bottled by hands that know where shortcuts lead, our process removes layers of uncertainty that often slip into the chain when buying from distributors or mixed-source resellers. Over the years, feedback from real-world users helped us update filtration steps, tweak inhibitor routines, and keep bottles sized for practical handling and storage in fast-paced workspaces.

    Safety, Handling, and Respect for the Material

    Styrene comes with real hazards—there is no magic fix for its volatility, flammability, and tendency to polymerize when left standing. Anyone working daily with it understands the stakes. We spent years obsessing over closures, ventilation during handling, and clear labelling. Only glass containers go out. Our packing team performs checks for leaks and evaporation before each run and keeps records cross-checked by production supervisors. Every batch ships with up-to-date safety information, prepared by our in-house environmental compliance team, not cobbled together by outside writers. Finished bottles pass regular monitoring for inhibitor fade.

    Old habits in the sector sometimes left people re-using larger bottles or topping up with unknown leftovers. We standardized on a 500ml glass pack—enough for most small and mid-scale workflow but limited just enough to keep material moving, fresh, and free from the issues that build up in warehouse jugs that sit unchecked for months. By offering small, clearly traced bottles, we help users start with cleaner, safer, and more effective styrene regardless of their project size.

    Direct Results: What Users Have Reported Back to Us

    The value in quality isn’t abstract; it appears in the everyday results seen by researchers, lab techs, and production managers who used to struggle with unpredictable polymer outcomes. Several academic groups using AR Styrene in block copolymer preparation called out the easier initiation they achieved compared to generic alternatives. Fewer failed reactions, lower background contamination in NMR and GC-MS work, and shorter troubleshooting sessions stood out as their routine gains. In fast pilot lines, consistent lots of AR Styrene cut down on cycle time and reduced expensive shutdowns caused by rogue gel spots or uneven polymerization—problems classic bulk styrene never quite got under control.

    For customers manufacturing critical medical device components, low greenhouse-gas foams, or advanced adhesives, the tight contamination limits and traceability built into our product have been key. Negative stories around contaminated or poorly stabilized styrene are, unfortunately, still common in supply chains managed by traders or distributed through several hands. Users who switched to our direct-manufactured bottles report a drop in failed batch rates and much smoother scale-up from bench to pilot plant volumes. It is these hard-won gains, not glossy marketing claims, that build long-term partnerships in this industry.

    Operational Simplicity: Why the 500ml Format?

    Our choice to supply AR Styrene in 500ml glass bottles did not come from market trend reports or copycat thinking. It came from years of handling, storing, and rotating styrene in our own workspaces. Smaller-scale labs need enough volume to avoid constant reordering, but not so much they contend with months-old stock or large volumes going stale. Teams conducting frequent small-batch experiments prefer lower-handling risk, less open exposure, and better ease of inventory. With 500ml bottles, users pour only what is needed, reducing exposure to air and avoiding contamination that can arise from repeated bottle openings or risky decanting procedures.

    Facilities focused on pilot or specialty runs also found that 500ml units balance transport safety, handling convenience, and cost control—small enough to track inventory closely, large enough to support planned work. Delivery in glass bottles further prevents plasticizer leaching and keeps the monomer free from the subtle contamination that can occur with plastics or poorly stabilized resins during long-term storage. The choice reflects practical knowledge, not a marketing gimmick.

    Chemical Stability: Inhibitors, Storage, and Use-by Practices

    Styrene’s reactivity, which makes it a building block for so many polymer products, also brings storage and aging challenges. Without proper inhibitor and tight control of environmental conditions, open containers—even briefly exposed on a busy bench—can start to gel or generate background haze days later. Most commercial styrene contains stabilizers, often t-butylcatechol, but the quantity and freshness can vary widely depending on shipping route, supplier practices, and warehouse temperature.

    We focus on tight inhibitor control, monitored before and after filling, and tracked by batch through our internal lab. Every bottle moves quickly from the final check to shipment, minimizing idle time in uncontrolled conditions. It’s been our experience that keeping bottles small and stock rotating frequently gives better performance in syntheses that demand fresh, active monomer—especially those using sensitive catalysts or aiming for high conversion rates where every unplanned side product counts.

    Users who run into problems with long-held or overexposed bottles—such as unexplained color shifts, gradually increasing haze, or unplanned auto-polymerization—usually report instant improvement switching to tightly batch-controlled, properly inhibited AR Styrene. They find better batch initiation, quicker reaction times, and cleaner isolation in their end product.

    The Broader Impact: Supporting Innovation and Reducing Waste

    We didn’t develop AR Styrene in a vacuum. The chemical industry’s structure rewards those who waste less and get processes up and running sooner. By offering a higher purity, reliable, auditable, 500ml bottle, we help researchers document what worked and what didn’t, speed up troubleshooting, and cut time spent chasing mystery errors. For companies focusing on green chemistry, waste reduction, and downstream purity, having a high-confidence source of styrene makes new product development less fraught with inconsistent variables. Chasing marginal supply discounts often ends up costing more in lost time and failed experiments, a lesson anyone who has managed a floor or a research group learns quickly.

    The impact of a better specialty styrene goes beyond individual research groups or product runs. Standardizing on a high-quality starting point makes process scale-up more predictable, lets technical documentation become more valuable, and supports regulatory documentation, especially in sensitive fields like medical polymers, optical materials, or foamed plastics for building insulation. With tighter control, less waste, and fewer uncertainties, teams do not have to build in as many safety margins, and resources can focus on innovation instead of patching over the cracks left by inconsistent supply.

    Why Direct Manufacturer Supply Matters Now More Than Ever

    Working directly with the manufacturer—rather than through a maze of dealers, repackagers, or anonymous online listings—removes critical points of failure. No two production runs are alike unless you control both the chemistry and the logistics. After witnessing colleagues lose productive hours to mystery contaminants and untraceable shipments, our team put direct-supply principles at the core of this product. Those who order AR Styrene 500ml can call the plant, get a straight answer, and trust that what’s in the bottle is what the label claims. This transparency doesn’t just reduce risk for us—it saves untold hours and resources for every user downstream.

    Quality and repeatability grow from close practice, not bureaucratic checklists. Each step in our chain—whether it’s reactant procurement, final filtration, individual bottle filling, or shipping documentation—has a traceable owner, a real-world history, and a link you can follow. Our approach delivers peace of mind to chemists and engineers who have seen the true costs of “close enough” in action. They have turned to AR Styrene 500ml because they have seen what goes wrong when chemical supply is treated like a commodity, not a calling.

    Looking Ahead: Ongoing Improvements from Daily Use

    We don’t claim perfection. Continuous feedback from our own plant engineers, our QC teams, and external users in the field keeps shaping AR Styrene 500ml year after year. Our upgrades come not through marketing surveys but through the hard realities of benchwork and industrial scale-up. Adjusting bottle caps to cut vaporization, refining shipping logistics to fit fast-cycle research, or tightening inhibitor windows when new reactions demand more—none of this comes from trendspotting. It comes from closing the loop with those who put their trust in our ability as manufacturers to deliver what the label promises.

    The path forward means keeping this connection strong. Every small lab or industrial team we support offers lessons in what gets in the way of progress. By maintaining a standard of transparency, open communication, and quick correction if issues emerge, we reinforce that AR Styrene 500ml was built for those who do the work—not just for the next line in a product catalog. The bottle on your shelf carries with it not only liquid styrene, but the tangible results of years spent learning what reliability, safety, and accountability look like in the lived world of chemical practice.

    Chemistry never stands still, but the core needs of users remain stubbornly consistent: clean material, honest labeling, direct answers, and proven results run after run. AR Styrene 500ml answers those needs by drawing on lived experience, real-world feedback, and manufacturing know-how lived one batch at a time. For researchers, engineers, and production staff who know the pitfalls of the old ways, this product stands as both a tool and a promise. We know where it comes from, how it was made, and why it’s a step forward for anyone who takes chemical supply quality as seriously as the work itself.