| HS Code | 887731 |
| Name | 4,4-Dimethylheptane |
| Molecular Formula | C9H20 |
| Molar Mass | 128.26 g/mol |
| Cas Number | 589-53-7 |
| Appearance | Colorless liquid |
| Density | 0.718 g/cm3 at 20°C |
| Boiling Point | 124-126°C |
| Melting Point | -88°C |
| Flash Point | -8°C |
| Refractive Index | 1.401 |
| Pubchem Cid | 12236 |
| Solubility In Water | Insoluble |
| Odor | Gasoline-like |
| Vapor Pressure | 41 mmHg at 20°C |
| Structure Type | Branched alkane |
As an accredited 4,4-Dimethylheptane factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The 4,4-Dimethylheptane is packaged in a 500 mL amber glass bottle with a secure screw cap and clear hazard labeling. |
| Shipping | 4,4-Dimethylheptane should be shipped in tightly sealed containers, clearly labeled and compliant with local, national, and international transport regulations. It should be kept away from heat, sparks, and open flames. Suitable protective packaging is required to prevent leaks and minimize exposure to air and moisture during transportation. |
| Storage | 4,4-Dimethylheptane should be stored in a cool, well-ventilated area, away from heat sources, sparks, and open flame. Keep the container tightly closed and store it in a flammable liquid storage cabinet. Protect from direct sunlight and incompatible substances such as strong oxidizing agents. Ensure storage areas are clearly labeled and equipped with appropriate spill containment and fire suppression systems. |
Competitive 4,4-Dimethylheptane prices that fit your budget—flexible terms and customized quotes for every order.
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From our early work on custom hydrocarbons to the present continuous production runs, we have learned that every alkane brings its own challenges and possibilities. Among the nuanced molecules in our portfolio, 4,4-Dimethylheptane stands out for its balanced structure, reliable purity, and steady supply chain performance.
We dedicate significant process control toward the manufacture of this particular branched-chain alkane. 4,4-Dimethylheptane, with its molecular formula C9H20, sets itself apart in both its physical handling and performance in laboratory analysis. Our reactors and distillation systems have evolved to answer the persistent demand for precise purity; we routinely achieve better than 99% spec by gas chromatography for demanding research and calibration work.
In bulk hydrocarbon chemistry, subtle structural differences can influence an entire course of analysis, production, or regulatory compliance. With its two methyl groups locked at the 4-position on a heptane backbone, 4,4-Dimethylheptane offers a distinct boiling point and density compared to linear or other isomeric nonanes. This difference alone can mean smoother separation steps for analytical purposes or more reproducible burn and vaporization characteristics in specialty fuel research.
Laboratories reach for 4,4-Dimethylheptane as a reference standard, especially in detailed hydrocarbon analysis where ASTM or EPA methods rely on known chain-branching effects. Direct comparison with n-nonane or other branched heptanes reveals the impact of isomeric structure on volatility and reactivity. Our experience supplying calibration standards for refinery and environmental labs taught us how tightly controlled purity and consistency matter to accurate chromatography or spectroscopy.
Producing high-purity 4,4-Dimethylheptane calls for unwavering attention during distillation. We encounter few materials as sensitive to internal contamination, whether trace aromatics or residual isomers. Our operators handle process lines and purification columns with chemical-specific procedures that grew out of real-world batch problems. Early in our history, even a small cross-contamination event forced us to introduce new protocols for leak tracing and solvent management. As a result, we now achieve exceptionally low background interference, proven when clients show us the baseline from modern detectors.
Our team maintains relationships with trusted raw material suppliers. Transparent batch tracking supports full traceability, and inbound inspection verifies identity and purity right at the receiving dock. We understand that many customers work in regulated environments or with grant-driven quality requirements. Shipping custom drum or canister sizes to academic labs, petroleum research centers, or certification bureaus taught us that delay or inconsistency is never “just a logistics problem.” Each run gets coded, logged, and tested—a process shaped as much by experience as by instrumentation.
Our direct customers range from fuel R&D labs developing knock-resistant blends, to specialty chemical manufacturers charting new formulations, to analysts calibrating columns for FID or MS analysis. Take certificate-of-analysis discussions: repeated feedback showed us that weight percent, water content, and key impurity levels matter. We addressed those concerns by investing in on-site GC and Karl Fischer titration capability.
Some users select 4,4-Dimethylheptane for ASTM D86 or D2887 boiling range determinations. Knowing this, we actively collaborate with chemists to confirm that our chromatographic peaks match reference standards with precision. Nonane isomers sometimes get used interchangeably in the field, but only 4,4-Dimethylheptane with proper certification offers the confidence needed for critical test runs. Having witnessed audits and proficiency challenges, we provide supporting documentation and retain archives for verification. Customer feedback drives both continuous improvement and batch-to-batch reproducibility, making our supply more than just a transaction.
Every isomer of C9 alkanes has quirks learned only with experience. For example, n-nonane and 2,2,4-trimethylpentane fill different regulatory and functional roles. N-nonane, with its simpler, straight-chain structure, proves easier to synthesize but more difficult to separate from certain impurities. In contrast, 4,4-Dimethylheptane’s branched backbone means higher resistance to auto-oxidation and a measurably different response in detector systems, especially when mapping boiling point or retention indices.
Market-driven supply also makes some isomers harder to produce with consistent properties. Over time, we found that careful catalyst selection in alkylation and isomerization reactions reduces unwanted side products and off-spec isomers. Drawing from both process data and hands-on troubleshooting, our best production runs depend on tight temperature control and constant monitoring, not just automation. Practical know-how, gained from test batches and customer troubleshooting, shaped improvements to crystallization and final filtration.
Manufacturing and refining hydrocarbons took us through years of direct technical challenges. Working with 4,4-Dimethylheptane, our chemists consistently adjust for seasonal variations in supply, evolving environmental regulations, and new analytical instrumentation. The rise of stricter regulatory standards for reference materials led us to refine our documentation and material traceability. Testing with evolving chromatography and MS methods means we never stop refining our detection limits for common contaminants, so customers can use every batch with confidence.
We recall one project where a major laboratory recalibrated their entire QC workflow after discovering minute differences between nonane isomers. That experience mirrored our own years of troubleshooting co-elution or background interferences, teaching us the importance of comprehensive, method-specific purities. Today, our QC staff understand that transparent dialogue and root-cause investigation pay dividends beyond any single sale, helping us improve our material and processes year after year.
Our customers' real-world needs drive our investments in both large- and small-scale production lines. In test fuels or custom fuel blend formulations, suppliers often request specific isomer distributions to mimic real combustion environments. 4,4-Dimethylheptane’s combustion and evaporation profile enables analysis of high-octane blends where knock-resistance and vaporization curves matter most. Research labs using simulated distillation or volatility testing ask for detailed impurity profiles, not just headline purity values. Responding to these demands, we provide both traditional and advanced batch analyses, including GC-MS for trace-level contaminants and quantification of isomeric content.
Beyond fuels, certain fine chemical manufacturers draw on our 4,4-Dimethylheptane for controlled hydrocarbon reaction studies. Its structural stability under moderate thermal loads allows controlled kinetic experiments and reaction profiling with minimal background signals. Whenever universities and governmental agencies approach us for reference-grade alkanes, we review their method specifics to recommend packaging and purity levels that match analytical protocols—not just bulk market standards.
Safe handling and reliable packaging stand as important as the chemistry inside the drum. We adapted our process based on actual incidents: after a single case of seal failure, we reinforced our quality inspections on every closure and gasket. For high-purity 4,4-Dimethylheptane, we use containers proven by extended compatibility testing, limiting peroxide formation or adducts from ongoing exposure. Each shipment includes a handling sheet that distills real-world storage advice learned the hard way through decades of incident reviews.
Customers working in environments from desert field stations to low-humidity clean rooms taught us how to tailor advice for each destination. As temperature extremes and climate-controlled storage units entered more clients’ standard practice, we invested in guidance documents and updated our shipping protocols for both road and sea freight. This ongoing learning process, informed by client feedback and our own QA staff’s watchful eyes, guides training for every new production hire.
Refinement in hydrocarbon production never stands still. Over the last decade, environmental expectations prompted us to audit and upgrade our waste management and vent system technologies. We swapped out legacy cleaning solvents for modern, lower-impact alternatives and invested in continuous emissions monitoring. Using data from both regulatory bodies and cooperative benchmark testing, we proved that we can improve environmental performance without compromising output or purity.
Our staff closely monitor process yields, solvent recovery rates, and byproduct stream efficiencies. Hard-won gains in batch yield and energy intensity now mean less input for the same product quality—good for bottom line, and for regulatory reporting. Whether serving clients working to reduce their environmental impact or those bound to legacy standards, we offer honest environmental disclosures and support material tracebacks through every lot shipped.
Over the years, we’ve seen how real-world production experience turns textbook knowledge into reliable solutions. Our technical staff handle maintenance, process control, and customer dialogue in a continuous feedback loop. Each challenge, from scaling up to root-causing off-odors, brought new operational insights that we then shared with clients. One batch that met spec but triggered a chromatographic ghost peak resulted in a process overhaul—now every operator understands why “good enough” in general hydrocarbon manufacture sometimes falls short for specialty applications.
Our production managers, QC chemists, and frontline operators meet quarterly to review customer feedback and lab returns. Instead of waiting for problems to surface, we build continuous improvement into every production run. By collecting hard data and blending it with firsthand troubleshooting experience, we cultivate a production culture that values deep understanding of every molecule we ship.
Supplying 4,4-Dimethylheptane to world-class labs, refineries, and industrial sites taught us that alkane structure shapes both product performance and customer trust. Isomeric configuration—not just the name on the label—changes everything from evaporation rates to instrument response. Years in the plant showed us that side reactions in production, minute temperature swings, or slight solvent contamination—all can roll into final impurity profiles. We approach every new run with this hard-won respect for detail.
Our team keeps up with regulatory and analytical shifts in every market we serve. Calibration standards now require both lower detection limits and broader impurity disclosure, pushing us to expand testing and challenge every “routine” batch. Thanks to direct relationships with industry chemists and lab analysts, we get firsthand updates on changing analytical protocols or performance requirements, allowing us to evolve faster than markets or standards alone might dictate.
Customers often mention that our expertise and openness distinguish us from those who treat chemical supply as mere logistics. We share our production histories, common troubleshooting strategies, and material certification data openly, informed by years of direct production experience. If there’s a challenge with method compatibility, we investigate side-by-side with our customers, test our product under their exact conditions, and adapt both process and documentation to guarantee reliable outcomes.
Our warehouse and shipping crews work hand-in-hand with technical staff to align storage protocols with field and lab realities. We no longer tolerate one-size-fits-all approaches to inventory rotation or drum maintenance—each product receives the level of care its value and application demand. That’s the difference built into every bottle, canister, or drum of 4,4-Dimethylheptane that leaves our site.
From routine production to specialty research, 4,4-Dimethylheptane reflects the value of knowledge forged by experience. Every technical detail, operator insight, or customer feedback session shapes how we tackle production, packaging, and documentation. This is how we deliver reliability, purity, and trusted support in every lot. Real-world experience, not just stated specifications, continues to define what makes our 4,4-Dimethylheptane a preferred choice for discerning professionals worldwide.
