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2,3-Dimethyl-2,3-diphenylbutane

    • Product Name: 2,3-Dimethyl-2,3-diphenylbutane
    • Chemical Name (IUPAC): 2,3-dimethyl-2,3-diphenylbutane
    • CAS No.: 1889-67-4
    • Chemical Formula: C18H22
    • Form/Physical State: Crystalline solid
    • Factroy Site: Qinghai Salt Lake Industry Co., Ltd., 28 huanghe road, Golmud City, Qinghai Province
    • Price Inquiry: sales3@liwei-chem.com
    • Manufacturer: Qinghai Salt Lake Industry Co., Ltd
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    Specifications

    HS Code

    688127

    Iupac Name 2,3-Dimethyl-2,3-diphenylbutane
    Molecular Formula C18H22
    Molar Mass 238.37 g/mol
    Appearance White crystalline solid
    Melting Point 124-127°C
    Density 1.01 g/cm³ (approximate)
    Cas Number 1889-67-4
    Solubility In Water Insoluble
    Solubility In Organic Solvents Soluble in common organic solvents such as ether and chloroform
    Chemical Structure C6H5C(CH3)2C(CH3)2C6H5
    Smiles CC(C)(C1=CC=CC=C1)C(C)(C2=CC=CC=C2)
    Stability Stable under standard conditions

    As an accredited 2,3-Dimethyl-2,3-diphenylbutane factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle with secure screw cap, labeled “2,3-Dimethyl-2,3-diphenylbutane,” contents 25 grams, with hazard and handling instructions.
    Container Loading (20′ FCL) 20′ FCL for 2,3-Dimethyl-2,3-diphenylbutane typically holds 16–18 metric tons, packed in sealed drums or IBCs, ensuring safe transit.
    Shipping 2,3-Dimethyl-2,3-diphenylbutane should be shipped in tightly sealed containers, protected from light, moisture, and incompatible substances. Transport according to local, national, and international regulations for organic chemicals. Label containers clearly, and ensure appropriate safety documentation accompanies the shipment. Handle with care to prevent leaks or spills during transit.
    Storage 2,3-Dimethyl-2,3-diphenylbutane should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances (such as strong oxidizers). It should be kept at room temperature and away from sources of ignition. Personal protective equipment should be used when handling, and storage areas must be clearly labeled and secured.
    Shelf Life 2,3-Dimethyl-2,3-diphenylbutane is stable under recommended storage conditions; shelf life is typically several years when kept cool, dry, and sealed.
    Application of 2,3-Dimethyl-2,3-diphenylbutane

    Purity 99%: 2,3-Dimethyl-2,3-diphenylbutane with 99% purity is used in pharmaceutical intermediate synthesis, where high product yield and reduced by-product formation are achieved.

    Melting point 213°C: 2,3-Dimethyl-2,3-diphenylbutane with a melting point of 213°C is used in thermal stability testing, where reliable compound integrity under heat stress is maintained.

    Molecular weight 322.45 g/mol: 2,3-Dimethyl-2,3-diphenylbutane with a molecular weight of 322.45 g/mol is used in organic chemistry research, where consistent stoichiometry and formulation accuracy are ensured.

    Particle size <50 μm: 2,3-Dimethyl-2,3-diphenylbutane with particle size below 50 μm is used in material science composite preparation, where improved dispersion and homogeneous mixing are provided.

    UV stability: 2,3-Dimethyl-2,3-diphenylbutane exhibiting high UV stability is used in polymer additive manufacturing, where prevention of photodegradation and color stability is observed.

    Stability temperature up to 250°C: 2,3-Dimethyl-2,3-diphenylbutane stable up to 250°C is used in high-temperature organic reactions, where compound decomposition is minimized.

    Chemical reactivity: 2,3-Dimethyl-2,3-diphenylbutane with controlled chemical reactivity is used in selective hydrogenation processes, where targeted transformations with minimal side reactions are achieved.

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    Certification & Compliance
    More Introduction

    2,3-Dimethyl-2,3-diphenylbutane: Insight From the Factory Floor

    Understanding the Role of 2,3-Dimethyl-2,3-diphenylbutane in Modern Chemistry

    Long before a finished chemical ever ships out, weeks and sometimes months go into its design and manufacture. On our factory floor, the hum of reactors and the steady click of process controls serve as a reminder that every batch demands real precision. 2,3-Dimethyl-2,3-diphenylbutane isn’t a household name, but in our sector, its role holds essential value, particularly for researchers and manufacturers working in fine chemical synthesis and specialty intermediates.

    Those who know their organic chemistry recognize a certain robustness in this compound. Sporting a pair of methyl and diphenyl groups, its backbone gives it stability that appeals to both academic and industrial chemists. We’ve worked with this molecule for years, and across that time, we've learned what matters to those who purchase it: purity, traceability, and predictable performance. 2,3-Dimethyl-2,3-diphenylbutane, when produced under tight quality controls, provides exactly those.

    Production Experience: Hands-On with Real-World Chemistry

    Our chemists start each run by assessing every input—solvents, starting reagents, catalysts—because even minor impurities can show up later. 2,3-Dimethyl-2,3-diphenylbutane isn’t forgiving. Process control systems run 24/7, but it’s often the eye of an experienced operator who can spot a shift in color, viscosity, or odor before analytical data flags an issue. Every lot’s fingerprint is checked using well-maintained GC and NMR systems, and staff keeps up a sharp routine of calibrations.

    Handling scale-up poses familiar challenges. Small-batch research synthesis sometimes relies on glassware and magnets, but as volumes grow, you run into fouling, crystallization in transfer lines, or local hot spots in the mix. Knowing these snags helps us design reactors and select materials. A single uncontrolled parameter can introduce side products or leave a stubborn color in the final solid. Learning from batch after batch, we’ve adjusted agitation rates, swapped out filter materials, and improved the workup steps to get a cleaner yield on 2,3-Dimethyl-2,3-diphenylbutane.

    From a physical standpoint, those familiar with this compound know its crystalline white form. Well-formed crystals indicate a clean product. Dull, off-white batches usually signify something went wrong upstream—either in the purification or during the reaction itself. Operators can spot these issues early. Regular feedback from users, whether in published papers or informal lab chats, keeps us honest about quality.

    Specifications and Quality Assurance: Drawing on Years of Feedback

    As manufacturers, we always focus on purity by weight, melting point, and residual solvents. The most referenced specification remains ≥99% purity. For those with demanding downstream steps, sub-ppm impurity levels improve consistency in their processes. We’ve set up internal standards over time, relying on our analytics and feedback from those running catalytic tests or advanced organic syntheses. Packing the compound under an inert atmosphere often proves necessary; minor oxidation can lead to colored byproducts, and our customers have flagged this more than once.

    It’s rare to see regulatory hurdles for this compound compared to controlled substances, though we always keep lab records and ship with clear CoAs. Every change to the procedure, even seemingly minor ones like solvent swaps, comes with a documented revalidation on our end. Customers want to know exactly what they’re getting each order. Our team understands this and maintains batch histories back years, including deviations, out-of-spec observations, and any returned product.

    Those who use 2,3-Dimethyl-2,3-diphenylbutane for more sophisticated steps drive us to refine quality controls. Their synthesis procedures turn up issues faster than our own QC sometimes, especially when trace byproducts impact yields or selectivity. We’ve seen grad students in academic labs and process engineers at contract manufacturing firms both notice odd baseline humps far before they make it to bulk orders.

    Applications: Where Our Product Makes a Difference

    Most requests center on its use as a hydrogen donor or reference material in organic chemistry. In academic circles, some use it as a test molecule for mechanistic studies. In industry, it sometimes finds life as a component for synthesizing more complex intermediates. Many catalysts that reduce aromatic substrates often use 2,3-Dimethyl-2,3-diphenylbutane in performance evaluations or as a controlled substrate, because its reactivity profile and response to hydrogenation offer a sharp contrast to others.

    Our discussions with users indicate an appreciation for its consistency, particularly because they reference it against published yields and spectra. If the material contains too much residual starting material or if byproduct content increases, planned experiments can go sideways. We’ve heard stories of wasted days and lost reference points in kinetic studies when the original material’s quality dipped. That feedback shapes our process changes. Chemists expect a white crystalline product and a sharp melting range; delivering anything less signals something off in the supply chain or process control.

    We've also seen the compound supporting scale-up runs for those exploring bulk aromatic substitutions, where its stability under certain conditions acts as a useful reference. Pilot plants look for repeatable handling, ease of recovery, and limited impact from side reactions. Those requirements come directly from operator complaints in their reports: sticky residues, filtration headaches, odd smells after solvent removal. We address these by dialing in our process, not simply offering an option off the shelf.

    Comparing 2,3-Dimethyl-2,3-diphenylbutane to Other Aromatic Hydrocarbons

    Chemists often lump 2,3-Dimethyl-2,3-diphenylbutane together with other substituted butanes or diphenylethane derivatives, but its double methyl branching lends a subtle stability. In hydrogenation and redox reactions, it won’t behave quite like the leaner, less hindered analogs. Compared to diphenylethane, the additional methyl groups slow down certain transformations, adding a measure of selectivity when screening catalysis. Some practitioners swap it in precisely to test rate effects in their kinetic studies.

    We’ve worked with both this compound and unsubstituted analogs; the difference becomes clear in processing. 2,3-Dimethyl-2,3-diphenylbutane tends to resist oxidation or polymerization under moderate conditions. Handling, storage, and shipping require less effort than with materials that readily absorb air or moisture. The diphenyl structure confers a certain resilience in bulk storage, and the product maintains its crystalline form as long as it remains sealed and free from direct sunlight.

    Other compounds in this area sometimes show a broader melting range or more volatility, which makes them messier to pack or weigh. Operations staff remember these small headaches—sticking to surfaces, forming oily residues, resisting clean filtration. 2,3-Dimethyl-2,3-diphenylbutane, in contrast, forms clean, easily handled solids that rarely give issues in downstream processing. Shipping teams return to this point often, noting fewer melted pouches or clumped bottles during warm weather transit.

    We’ve seen process engineers try to substitute structurally similar products, sometimes to save on cost or due to fleeting availability. Over time, most switch back, citing poor performance in their specific applications or problems with cleaning up side products. The added methyl groups in our compound might seem trivial, but for those pushing the limits of selective hydrogenation or looking for analytical clarity, these differences matter. Blends or analogs can’t always fill the gap because pilot-scale processes depend on tight specifications. Lab notes often mention ‘trial of a substitute compound’—followed by lower yields or more tedious purification steps.

    Hurdles and Solutions Rooted in Practice

    Every production run pulls its share of nuisances. Crystal size varies batch to batch, even when input quality appears the same. Subtle differences in agitation, solvent ratio, or heater ramp rates change the crystallization. When crystals run small, filtration slows, and a single container might take a shift or more to clear completely. We trial new filter cloths and run melt-point checks in-process. Experienced staff learn to preplan—lining vessels or double-checking fine mesh screens. It’s tedious, but it beats watching a batch gum up after a week of perfect synthesis.

    Residual solvent sometimes lingers, especially when ambient humidity climbs in spring and autumn. Running a vacuum oven at just the right pressure and temperature strips those off without introducing side reactions. In the past, more aggressive temperatures led to discolored product or odd smells, which often ended with customer complaints. It can take a half-dozen test runs to find a drying protocol both quick and gentle enough.

    Plant teams rely on clear records. Troubleshooting an off-batch means returning to logs, comparing operator notes, and reviewing every process tweak—no matter how minor. Anomalous GC peaks in one batch can trace back to a variation in mixing speed logged by a technician. Production routine depends on people as much as on instruments, and hard-won trust from clients comes when small deviations are caught and corrected in-house.

    Tapping Knowledge Networks: From Feedback Loops to Practical Improvements

    Years of direct conversations shape our way of working. Regular communication with end users—by phone, at conferences, or in site visits—brings practical feedback. Stories about lost time or ruined samples, tips for improved dissolution, even complaints about cap tightness end up on plant bulletins. Our crew knows most academic labs can’t afford to wait out a recall, nor can manufacturers downstream rework a process step when timing slips. The chemistry runs best when nobody has to improvise around material quality.

    Collaborations with academic and industrial partners have sometimes changed our raw material sourcing, reaction scale, or packing media. No synthetic process remains static forever. Newer reactors handle larger throughputs with finer control, but the fundamentals still matter: controlled heat, proper agitation, and fast, clean separation of product. As we’ve expanded our batches, we’ve invested in precision balances, inert gas controls, and more efficient drying cycles. These investments stem directly from user demands and from our own hunt for fewer workflow disruptions.

    Information-sharing among plant operators, lab chemists, and even logistics staff often means fewer last-minute corrections. If shipping crews raise a flag that glass bottles clump together in hot weather, we’ll try alternate packing—foam, sealed bags, even insulating wraps. Each tweak marks a lesson, written in team experience instead of some technical manual.

    Building on Trust and Proven Performance

    Purity, batch-to-batch consistency, and transparent production history bring chemists back for repeat orders. Over time, most users of 2,3-Dimethyl-2,3-diphenylbutane learn which suppliers listen—and which cut corners. A single ruined run undermines months of work down the line, and research deadlines rarely allow for delays. Several clients have shared published results, where a change in melting point or crystal habit led to an altered outcome. This underscores a reality: benchmarking and process validation mean more than generic product numbers.

    Product misuse—often the result of confusing it with a similar-sounding material—shows up on occasion. Clear product labeling, thorough documentation with each shipment, and response-ready staff help close that gap. Our team answers questions not just about present lots but past batches, side products, and physical characteristics. These conversations help us spot trends, improve specs, and produce what researchers and manufacturers genuinely need.

    Nothing replaces a reliable supply chain. During periods of logistic strain or material shortages, open communication with customers lessens uncertainty. Prioritizing recurring needs and keeping backup reserves in stock remain part of our daily routine. Process improvements only matter if supply keeps up with demand, and experience has taught us that mild disruptions mushroom rapidly in distributed labs or pilot plants.

    Looking Forward: Lessons Learned as a Manufacturer

    The chemical industry often runs on habits and hard-earned knowledge. Every run, shipment, and client call writes a new footnote to how we handle 2,3-Dimethyl-2,3-diphenylbutane. There’s satisfaction in knowing that a fine chemical, obscure to most, enables discoveries in catalysis, synthetic methods, and materials research. The list of users—from research teams to small development labs to multistep synthesis projects—spans the global industry.

    Our story with this compound is written batch by batch, with every success and mishap helping us find a better way. From packing improvements and tighter specs to quicker feedback, the loop of manufacturer and user shapes the end result. Many solutions simply grow out of persistent observation, listening to real-world complaints, and rolling up sleeves to address the details. In an industry that never stands still, that experience stays with us, molecule by molecule, shipment by shipment.