| HS Code | 960612 |
| Iupac Name | 2,2-Dimethylpropane |
| Common Name | Neopentane |
| Molecular Formula | C5H12 |
| Molar Mass | 72.15 g/mol |
| Cas Number | 463-82-1 |
| Appearance | Colorless gas |
| Melting Point | -16.6 °C |
| Boiling Point | 9.5 °C |
| Density | 0.620 g/cm3 (at 20 °C, liquid) |
| Structure | Branched alkane (tetrahedral carbon core) |
| Solubility In Water | Very low (slightly soluble) |
| Flammability | Highly flammable |
| Odor | Similar to gasoline |
| Chemical Hazard Class | Flammable gas |
| Refractive Index | 1.333 (at 20 °C) |
As an accredited 2,2-Dimethylpropane factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The 2,2-Dimethylpropane is packaged in a 500 mL amber glass bottle with a secure screw cap and hazard labeling. |
| Shipping | 2,2-Dimethylpropane, also known as neopentane, is typically shipped as a liquefied, flammable gas under pressure in specialized, approved cylinders or tankers. Proper labeling, secure containment, and adherence to transportation regulations for hazardous materials are required to ensure safe handling and prevent leaks or ignition during transit. |
| Storage | 2,2-Dimethylpropane (neopentane) should be stored in a cool, well-ventilated area away from sources of ignition, heat, and direct sunlight. Keep the container tightly closed and grounded to prevent static discharge. Store separately from oxidizing agents, acids, and halogens. Use approved, labeled containers, and ensure an appropriate fire suppression system is available in the storage area. |
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In our manufacturing plant, 2,2-Dimethylpropane stands out as a key hydrocarbon with a very specific structure: a five-carbon alkane, highly branched, and often referred to as neopentane. The compactness of its molecular geometry gives it a set of properties distinct from those seen in other linear or less-branched isomers in this chemical family. Careful distillation and high-purity processes ensure this product meets rigorous standards that suit demanding industrial tasks.
As major users of 2,2-Dimethylpropane understand, purity and consistent vapor pressure matter more than on-paper specs alone. Our reactors run non-stop to deliver this hydrocarbon at a minimum purity of 99.5 percent, with transparent batch records and impurity profiles tested by gas chromatography. Early on, technicians at calibration gas plants told us how even slight shifts in boiling point or vapor pressure mess with their reference mixtures. For them, the boiling point near 9.5°C and stable vapor pressure become essential; nobody likes recalibrating or recalculating for hidden variable contaminants. We work with lab partners who trust sample data from hundreds of tanks a year, and they expect zero surprises.
We produce 2,2-Dimethylpropane on a custom scale, switching between bulk ISO-tank filling and smaller drum volumes. There is no “model number” as might be common with finished polymers or electronic parts; with chemicals, consistency comes instead from batch traceability and process management. Our installations can switch from filling large containers for refinery use to small high-purity cylinders sized for research and calibration specialists. This means customers get predictable supply and fresh product with each order, without risk of off-specification shipments that might stall their own line.
Over time, 2,2-Dimethylpropane found its place in more than just calibration work. Engine research groups use it to study octane behavior, because its high branching mimics tendencies seen in high-performance isooctanes. Real-world engine testing revealed that using pure samples reduced the scatter in combustion data—a result that means researchers spend less time rerunning experiments. In gas chromatography, users value this molecule as a volatility standard, thanks to its tight boiling range. Trained chemists know a misidentified peak or drifting baseline leads to false conclusions, which can derail whole research efforts. Our plant samples each drum before filling, reducing risk of cross-contamination and ensuring reproducibility for high-stakes R&D.
As a manufacturer, we field questions from both veterans and newcomers asking “Why not just use pentane or isooctane?” The answer boils down to structure and resulting performance. 2,2-Dimethylpropane packs all five carbon atoms into the smallest shape possible for an alkane of its size, which alters its volatility profile. Compared to unbranched n-pentane, this translates to a higher vapor pressure at a given temperature, and a lower boiling point. Isooctane, with its eight carbons and higher molecular weight, sits further up the boiling range and shows much lower vapor pressure, making it less responsive in calibration settings. Researchers studying hydrocarbon combustion use 2,2-Dimethylpropane to highlight how heavy branching changes flame speed and anti-knock properties, while isomers like n-pentane and isopentane fail to provide the same contrast. Because of these molecular quirks, choosing the wrong isomer can throw off the very experiments or calibrations our customers rely on.
The importance of transparency and control in manufacturing matters every day on our floor. Unlike mass traders, our technicians run real-time gas chromatography on every production batch to ensure no adventitious hydrocarbons enter the supply. Mishandling or trace impurities—common risks in poorly managed facilities—have a way of showing up in analytics as ghosts or skewing calibration results in gas blends. Over years of observations, we have seen researchers lose weeks tracing non-purity issues back to upstream suppliers who lack tight manufacturing discipline. That’s why we chart impurity profiles, retain samples for extended review, and provide customer technical teams with raw data, not just certificates. The correct boiling point and handled-from-purification nature of 2,2-Dimethylpropane can save countless hours and dollars in troubleshooting analytical drift or unexpected experimental anomalies.
Packing 2,2-Dimethylpropane isn’t as casual as drum-filling water or n-hexane. Because of its high vapor pressure at ambient, we use pressure-certified steel cylinders and closely control headspace during filling. This isn’t simply paperwork—those details directly ensure safety for both the production operators and the eventual end-users in the field. In many regions, barrel quality varies wildly, but our plant’s purchasing team inspects every container batch to avoid low-grade steel or mismatched pressure ratings. We also focus on thermal insulation at storage points and employ overhead detection for leakage risk. Incidents from suppliers using substandard cylinder valves have made us double down on this: nobody on our watch wants to explain an accident caused by improper equipment.
In large refineries, engineers draw on 2,2-Dimethylpropane as a blending component to shift vapor pressure in gasoline pool or produce specialty racing fuels. Direct feedback from those working on blending operations made clear how value can swing on a fraction of a percent adherence to true boiling point. Correctly made product lets them run blending calculations tightly, while off-boiling secondary pentanes create rework headaches and regulatory headaches. Lab technicians talk about 2,2-Dimethylpropane as the true test for GC-FID response, needed in labs spotting run-to-run drift or unreliable reference peaks. Our product aims to give them tools that actually work as intended in these tough roles, instead of pushing a generic ‘alkane’ claim.
Branching density, vapor pressure, and boiling behavior all connect back to how chemistry actually plays out in our reactors. In bulk chemical markets, minor impurities can show up as significant anomalies even in small analytical samples. Customers tuning complex gas mixtures—like those for environmental monitoring, leak detection or hydrocarbon analysis—need every molecule to behave as predicted. Production-side control, from feedstock purity all the way to drying and final compression, matters more than slick brochures or price lists. Years ago, a lab in the automotive sector flagged inconsistent flame-front measurements, traced to a poorly handled batch of ‘generic pentane’; they only restored trust once high-purity 2,2-Dimethylpropane from a disciplined supplier fixed their variances.
Technicians often report difficult handling during transfer or use, given the product’s volatility and low boiling point. Our team responded by developing transfer guidelines that address potential icing and rapid evaporation. Plant engineers have installed dedicated vapor recovery lines at our filling bays and ensure all transfer hoses are triple-checked for integrity. Direct communication lines with customer plant engineers mean any hiccups in transfer—such as knock-on effects from seasonal temperature swings or line pressure mismatches—get dissected and resolved in concert, not left to guesswork. No-sweat solutions usually stem from actual field experience and joint troubleshooting, not distant standards.
Every chemical plant faces stricter scrutiny as emission goals tighten and reporting standards rise. We handle 2,2-Dimethylpropane within an enclosed circuit, using real-time leak detection and secondary containment for every storage and filling zone. Captured vapors feed back to flare or recovery, not atmosphere, which aligns with evolving best practices in the field. In past years, emission audits uncovered gaps in the older handling areas, so updates were made to install automatically-monitored valves and level-sensing alarms as standard. Long experience tells us that keeping regulatory agencies on your good side rests on providing transparent, detailed inventory and emission data—something we deliver for every outbound shipment and annual statement.
If the chemical world teaches anything, it’s that small differences in quality, reliability, and after-sale support make outsized impacts down the line. Over a decade of manufacturing, we’ve watched customers cut troubleshooting time, eliminate out-of-spec test failures, and even avoid costly shipping of redundant drums, all because of steady control of 2,2-Dimethylpropane quality. Trust gets built when users can call and talk directly to our technical team, not shuffled through layers of distributors. We help troubleshoot, interpret odd laboratory readings, and can quickly ship certified reference materials for double-checks against suspect samples. These are not abstract perks—they pay out in saved working hours and smoother workflows long after the initial purchase.
Batches often head to clean fuel specialists, advanced analytical laboratories, and gas monitor calibration centers. These folks bring valuable lessons, as they share insights that help us constantly tune operations. After a new analytical team switched from generic isopentane to 2,2-Dimethylpropane, their background readings dropped by half—saving not just effort, but money in re-work reagent expense. One refinery blending manager cut blend tank off-spec incidents twenty percent by recalibrating vapor pressure models with our reports. When customers feed back hard data to us, it becomes a cycle of real improvement: we can adjust purification sequences, alert our test teams to new interference risks, and advise users on settings that work in practice, not just on the drawing board.
We run production with live, in-person supervision on every shift. Operators rotate between distillation, gas analysis, and pressure transfer points, ensuring the whole chain remains in-spec. Rare excursions get flagged and isolated so they don’t reach the filling line. We don’t rely on automation blind to changes outside written limits. Years in the trenches show that trace water, oxygen, or pumping oil have ways of sneaking past automated monitors. Manual cross-checks and deep familiarity with the process let us catch these before they build into larger problems. Reliability results from experience married to vigilance, not just following formal procedures by rote.
As analytical rigor grows across multiple sectors, so have expectations for products like 2,2-Dimethylpropane. Upgrades in chromatography, mass spectrometry, and on-site sensor calibration raise the bar for what counts as acceptable material. We invest in high-resolution GC and FTIR equipment, running regular internal proficiency tests against recognized industry standards. Peer comparison with collaborating research institutes helps flag method gaps or emerging impurity threats. We adjust our processes so the actual delivered product matches the current state of technology and maintains user trust in sensitive applications.
Customers regularly offer feedback on ease-of-use, compatibility, and long-term storage results. These front-line experiences inform our tweaks—from adjusting fill algorithms on chillers to optimizing pressure relief valve design. They point out sources of hassle or error that formulas and calculators miss, like temperature-induced pressure swings in outdoor cylinders during transport or condensation risk in short pipeline runs. The most productive long-term relationships flow from such honest exchanges, as they reduce guesswork and unresolved disputes. We treat lessons learned on both sides as tools for steady improvement, not just case studies to be filed away.
Looking ahead, we see increased demand for higher purity, stricter impurity limits, and traceability in every barrel. Regulatory bodies, automotive research groups, and analytical labs keep pushing for higher repeatability and better documentation, right down to the drum and cylinder lot level. Our plant is committed to staying at the front of these trends by building in more batch-level analytics, adopting predictive maintenance for safety and up-time, and sharing process data openly with end users. As more industries invest in smarter analytics and targeted research, the practical value of reliable and predictable 2,2-Dimethylpropane grows. Our job is to ensure each order supports, rather than complicates, those technical ambitions. We remain hands-on, detail-oriented, and responsive to meet the practical needs of chemical professionals who expect material that works the way the textbooks say it should—every single time.