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3,3-Dimethyl-1-Butene

    • Product Name 3,3-Dimethyl-1-Butene
    • Alias isoprene
    • Einecs 211-235-7
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
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    Specifications

    HS Code

    929415

    Iupac Name 3,3-Dimethyl-1-butene
    Cas Number 558-37-2
    Molecular Formula C6H12
    Molar Mass 84.16 g/mol
    Appearance Colorless liquid
    Boiling Point 63-64 °C
    Density 0.692 g/cm³ at 20 °C
    Melting Point -117 °C
    Refractive Index 1.397
    Flash Point -26 °C
    Solubility In Water Insoluble
    Vapor Pressure 390 mmHg at 20 °C

    As an accredited 3,3-Dimethyl-1-Butene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing A 500 mL amber glass bottle labeled "3,3-Dimethyl-1-Butene," features hazard warnings, tamper-evident seal, and chemical details.
    Shipping 3,3-Dimethyl-1-butene should be shipped in tightly sealed containers, typically made of steel or compatible plastic, away from heat, sparks, or open flames. It must be labeled as a flammable liquid and handled according to relevant transportation regulations (e.g., DOT, IATA, IMDG). Store and transport in a cool, well-ventilated area.
    Storage 3,3-Dimethyl-1-butene should be stored in a tightly sealed container at a cool, dry, and well-ventilated location away from sources of ignition, heat, and direct sunlight. Keep away from strong oxidizing agents and acids. Store in a flammable liquids cabinet if possible, and ensure containers are clearly labeled. Proper grounding and bonding are recommended to prevent static discharge.
    Application of 3,3-Dimethyl-1-Butene

    Applications of 3,3-Dimethyl-1-Butene in Industrial Manufacturing

    3,3-Dimethyl-1-Butene is a specialty alkene serving as a reactive intermediate in various industrial syntheses. As a direct manufacturer, we supply this material to multiple downstream markets requiring strict performance, compliance, and integration into large-scale processes. Below are key application sectors and detailed integration information for industrial clients.

    1. Synthesis of Performance Polyolefins

    Our clients in advanced materials production use 3,3-Dimethyl-1-Butene as a co-monomer to produce specialty polyolefin resins. Its unique structure enables the development of polymers exhibiting precise branching and elevated melt flow indices. Integration into the polymerization feed enhances physical properties required for demanding packaging films and durable molded items. Customers optimize its ratio based on desired polymer flexibility, density, and processing temperature windows. End-use scenarios include critical food and industrial packaging that must meet both mechanical and safety standards.

    Industry compliance standards

    • FDA 21 CFR 177.1520 (Olefin polymers for food contact)
    • REACH Regulation (EC) No 1907/2006
    • EU Commission Regulation No 10/2011 (Plastic materials in contact with food)
    • ISO 9001:2015, Quality Management System

    Typical usage ratio

    • 0.5%–4.0% by molar feed, adjusted for final polymer molecular weight and comonomer incorporation rate in solution or gas-phase processes

    Downstream process integration

    • Continuous dosing into catalyst-reactor loop during polyolefin co-polymerization
    • Monomer pre-treatment and inerting before reaction
    • Quality control sampling on feed and output streams for comonomer content
    • Recovery of unreacted alkene recycled into monomer tanks

    Final product types

    • Puncture-resistant food packaging films
    • Automotive interior moldings
    • High-durability shipping sacks
    • Flex-grade copolymer pellets for extruders

    2. Fragrance Intermediate Manufacture

    3,3-Dimethyl-1-Butene functions as a key alkylation partner for downstream fragrance chemical syntheses. Industrial partners utilize it to form complex branched ketones and alcohols, which impart high volatility and signature fruity-green notes in perfumery. Controlled conditions allow selective conversion to target intermediates, supporting bulk flavor and fragrance ingredient production. As manufactured, purity and reactivity remain critical for downstream yield and olfactory profile consistency. Regulatory adherence ensures product is suitable for use in cosmetics and personal care formulations distributed globally.

    Industry compliance standards

    • IFRA Standards (International Fragrance Association)
    • Good Manufacturing Practices (GMP) for cosmetic ingredients
    • EU Cosmetics Regulation (EC) No 1223/2009
    • REACH/CLP classification and SDS requirements

    Typical usage ratio

    • 0.8–5.0 molar equivalents relative to base ketone or acid in alkylation or hydroformylation stages, adjusted according to fragrance compound structure requirements

    Downstream process integration

    • Batch or continuous reactor addition during key carbonyl alkylation or hydroformylation stages
    • Distillation and purification sequence for final fragrance intermediates
    • In-process monitoring of conversion and byproduct formation
    • Regulatory traceability supported by batch certification

    Final product types

    • Branched aliphatic alcohols for fine fragrance
    • Long-chain ketones for flavor/fragrance industry
    • Chemical building blocks used in aroma chemicals
    • Personal care additive bases

    3. Synthesis of Specialty Lubricant Additives

    In synthetic lubricant formulation, downstream manufacturers employ 3,3-Dimethyl-1-Butene as an alkylation building block for high-performance base stocks and viscosity modifiers. The branched molecular structure introduces superior low-temperature properties and oxidative stability into polyalphaolefin (PAO) and ester base fluids. Selection of incorporation ratio directly affects pour point, volatility, and film strength, which are pivotal for heavy machinery and automotive oil blends. Ongoing QC ensures that regulatory thresholds for residual monomers and impurities remain below specification limits defined by the lubricant sector.

    Industry compliance standards

    • API/ILSAC Engine Oil Standards
    • ACEA Sequences for technical lubricants
    • OECD Guideline 301 for biodegradability (industrial lubricant disposals)
    • ISO 14001:2015 Environmental Management Systems (for lubricants)

    Typical usage ratio

    • 1.0%–7.5% by weight in PAO synthesis; precise dosage depends on chain architecture and performance spec for the target lubricant

    Downstream process integration

    • Controlled oligomerization with catalyst system in batch or continuous reactor
    • Purification and hydrogenation to eliminate residual unsaturation
    • Integration with base oil blending systems at finished oil plants
    • Quality verification of final viscosity index and pour point

    Final product types

    • Polyalphaolefin (PAO) base stocks
    • Pour point depressants
    • Synthetic gear and hydraulic oils
    • Low temperature grease additives

    4. Pharmaceutical Intermediate for API Synthesis

    Pharmaceutical manufacturers apply 3,3-Dimethyl-1-Butene as a synthetic starting material for select active pharmaceutical ingredient (API) intermediate synthesis. Due to its reactivity, it enters Grignard and carbocationic pathways to form branched aliphatic scaffolds fundamental to certain antihypertensive and antiviral molecules. Stringent GMP compliance must govern all supply and handling stages, and we provide full documentation on origin, purity, and controlled substances compliance to support pharmaceutical registration and audits. The dosage ratio directly follows target molecule complexity and regulatory submission batch records.

    Industry compliance standards

    • cGMP ICH Q7 for API manufacturing
    • USP–NF Monograph reference for starting material documentation
    • EU EudraLex Vol. 4 (GMP Guidelines)
    • FDA DMF (Drug Master File) support

    Typical usage ratio

    • Varies from 0.75–3.0 molar equivalents per reaction batch; limits set per process development chemist’s validated route and regulatory batch justification

    Downstream process integration

    • Reagent for synthesis step one or two in aliphatic API precursor construction
    • Monitored under full traceable batch record for regulatory submission
    • Purification by distillation/transfers in closed systems
    • Final cleaning validated for absence of genotoxic impurities

    Final product types

    • Branched-amino acid derivatives for antihypertensive APIs
    • Custom intermediates for investigational new drugs (INDs)
    • Lead scaffolds for antiviral agent synthesis
    • Building blocks for chiral pharmaceutical intermediates

    5. Fine Chemical Manufacturing: Alkylation Reactions

    Fine chemical plants routinely introduce 3,3-Dimethyl-1-Butene into alkylation processes to construct branched chain building blocks. Here, its controlled reactivity enables the formation of sophisticated specialty molecules for use in colorants, agrochemicals, and high-purity reagents. Precise dosing and monitoring limit oligomerization and side reactions, which drive overall step yields. Full compliance with chemical handling protocols and traceable batch management ensures safe and reproducible synthetic operations.

    Industry compliance standards

    • REACH registration and handling under CLP Regulation
    • ISO 9001:2015 Certification for batch traceability
    • Responsible Care® standards for specialty chemical production
    • National chemical notification and safety standards (country-specific)

    Typical usage ratio

    • 0.7–2.2 molar equivalents per charge, optimized for substrate access and desired product substitution pattern

    Downstream process integration

    • Initial alkylation or carbocationic addition in batch reactors
    • Integration with continuous purification (fractional distillation or chromatography)
    • Process safety monitoring for exotherm and hydrocarbon venting
    • Batchwise product QC for consistent substitution and purity grade

    Final product types

    • Functionalized dye and pigment intermediates
    • High-purity agrochemical components
    • Specialty alkanes for laboratory analysis standards
    • Fine chemical reagents for custom synthesis
    Free Quote

    Competitive 3,3-Dimethyl-1-Butene prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    Introducing 3,3-Dimethyl-1-Butene: Proven Value from Chemists Who Make It

    3,3-Dimethyl-1-Butene—A Cornerstone Olefin in Modern Processing

    From the perspective of those who turn basic hydrocarbons into tools for innovation, 3,3-Dimethyl-1-Butene has earned its place as a workhorse in the chemical industry. We have watched firsthand as demand for high-purity olefins grows—especially in applications where a precise molecular structure directly impacts performance or downstream processing. Among C6 olefins, this one stands out for its unique balance: a branched carbon skeleton supporting both stability and reactivity. The molecule’s tert-butyl group brings specific tertiary features to the table that you won’t find in simple linear or other isomeric butenes.

    Our production process focuses on achieving a chemical with consistent specifications, which many industrial users say is difficult to replicate when sourcing from batch-based operations or low-volume producers. We run continuous flow synthesis on a commercial scale using deep knowledge of fractionation and isomer separation. Final product leaves our facility with tight controls on residue, color, and water content, because years of experience have demonstrated the negative impact a small deviation can have on polymerization or alkylation steps.

    Not All Olefins Are Created Equal: The Distinct Role of 3,3-Dimethyl-1-Butene

    It is easy for outsiders to lump all C6 olefins together, yet practical differences become obvious well before material reaches end-use. Straight-chain hexenes do not offer the steric resistance seen in this compound. The methyl groups at the 3-position shield the double bond, slowing unwanted side reactions and conferring greater selectivity in catalytic schemes. In alkylation, this can mean fewer tars and a higher yield of desired products. Colleagues in the surfactants industry often point to 3,3-Dimethyl-1-Butene’s non-polar character and low reactivity outside sophisticated catalyst systems as critical in synthesizing specialty alcohols or ethers where other intermediates break down or introduce branched-chain byproducts that hinder performance.

    Polymer chemists have used our grades to impart rigidity, weather resistance, or higher molecular weight controls in co-polymers without introducing the inconsistencies seen from more reactive—or less sterically protected—olefins. One project that stands out involved a client in advanced polyolefin packaging, who struggled to keep melt-flow indices within spec using less hindered isomers and reported improvement in batch-to-batch uniformity once they transitioned to our material. Organic synthesis labs prize its well-defined structure for constructing neopentyl-type intermediates, essential in pharmaceuticals and high-performance lubricants, where even minute structural differences can cascade into changed bioactivity or diminished oxidative resistance.

    Derived from Proven Technology, Not Commodity Sources

    Years ago, most 3,3-Dimethyl-1-Butene on the market came as a byproduct, without focus on purity above utility grade. Such material, collected by traders and resellers, often lacked process oversight or quality data. We moved away from that model, investing in catalyst systems dedicated exclusively to branched olefin synthesis. This allowed us to tune reaction conditions, minimize side-products, and offer a grade with extremely narrow boiling fractions. Technical personnel who tour our facilities notice the absence of off-notes in storage drums, a direct result of this approach. Field feedback from longtime users points to the ease of downstream distillation and lower catalyst quenching rates, which stem from these upstream investments.

    Our team relies on regular GC and NMR analysis, and tailors maintenance and control tracking to prevent feedstock swings from influencing output. Reproducibility makes or breaks customer processes, particularly in applications like pharmaceutical intermediate synthesis. Callbacks from end-users, communicating tiny shifts in composition, have sharpened our focus over the years on traceability and in-process monitoring.

    End Uses That Demand the Real Deal

    3,3-Dimethyl-1-Butene finds its strongest following in industries that require rigorous standards, not only in finished goods, but also in how they select their upstream partners. Some of the most frequent conversations we have cover its use as an alkylating agent or intermediate in manufacturing high-performance aviation fuels, where thermal stability and well-behaved volatility indices are crucial. Fine chemical syntheses draw on the tertiary structure to build molecules with precise functionality—a challenge poorly met by other hexene isomers or linear olefins.

    A large portion of output continues to feed into the production of advanced lubricants, especially those designed for harsh mechanical or high-temperature environments. Here, the branched structure minimizes coking and enhances pour points far superior to what more linear alkenes achieve. Manufacturers producing specialty surfactants, particularly for oilfield applications, tell us only this grade provides the backbone rigidity necessary for stable emulsion formation in high salinity or corrosive conditions.

    Pharmaceutical ingredient firms report that this olefin’s controlled substitution pattern speeds up their synthetic steps, reducing purification burdens and lowering waste output compared to alternative branching points. Synthetic lubricant producers see benefits in oxidation stability that stem directly from the hindered character of the molecule, with shelf-life and viscosity improvements that directly reflect the purity and structural integrity we can deliver. Polymer plants, especially those making impact-modified plastics, have scaled up with our product after pilot trials demonstrated better mechanical performance and UV resistance in articles exposed to outdoor environments.

    Why Consistency Matters for Production and Performance

    Chemical manufacturing teaches hard lessons on consistency and control. Even small drifts in input stream quality can cascade downstream, resulting in process upsets, off-grade material, or product recalls. We select not just raw feedstocks with known provenance and traceable logistics, but also invest heavily in equipment and systems to isolate and purify this specific branched olefin. Deliberate controls—real-time, not spot-check—enable us to correct for minute process drifts before anything approaches out-of-spec territory.

    Years of collaborating with colleagues in quality control and customer production labs prompted us to develop a batch-release program. We only approve release once confirmed by internal and independent testing labs, drawing on analytical methods we refined together with industry users. This direct loop of feedback and field-proven ideas means our 3,3-Dimethyl-1-Butene often enables longer campaign runs for extruders, reactors, and high-throughput plants, translating into lower process costs and a simplified logistics chain for customers.

    Comparisons—Learning from Real-World Applications

    Direct comparison between this material and other C6 or branched olefins reveals significant advantages for end-users with demanding standards. Linear hexenes or 2-methyl-2-butenes exhibit higher levels of peroxides and off-odor contributors, due to vulnerable positions along the chain that pick up oxygenates. These issues show up in field samples, as sticky residues, catalyst poisoning, or subtle changes in product color and shelf-life. We regularly help teams troubleshoot unexpected polymer coloring or fouling in reactors, only to trace the root cause back to using off-grade or misidentified isomer blends. This highlights the difference that strict process and quality management brings to the table.

    Customers often share stories of production lines bottlenecked by impurities in feedstocks delivered by bulk traders. Alkylation units choke on high sulfur or oxygenate content; distillation columns become overwhelmed by off-spec volatility ranges. After switching to our continuously produced, tightly specified 3,3-Dimethyl-1-Butene, performance returns to baseline, maintenance intervals stretch out, and off-spec product drops sharply. We keep test results on file, not as a marketing tool, but as a day-to-day reference to resolve future blips or troubleshoot unexpected outcomes.

    Safety and Handling: Experience Shapes Policy

    Direct exposure to true industrial workflows underscored for us that safety around low molecular weight olefins cannot rely on theoretical guidelines or checklists. Every handler, from lab to warehouse floor, trains for both routine transfer and emergency containment, with documented procedures that stem from lessons learned in the real world. This chemical exhibits typical olefin volatility and flammability, but storing and transporting under nitrogen blanket, and using closed transfer systems, minimizes both vapor losses and ignition risk.

    Plant personnel benefit from regular drills, and we require partners to follow strict chain-of-custody tracking for every shipment. Our team maintains open communication lines with environmental and maintenance engineers, so any trace spills or suspected leaks are dealt with quickly, before risk can escalate. Incidents have dropped practically to zero since our implementation of a unique valve and drum tagging system—a move designed with help from logistics partners who saw where earlier systems left weak links.

    Sector by Sector: Who Depends on 3,3-Dimethyl-1-Butene

    In the world of fine chemicals, this molecule acts as a versatile skeleton for downstream synthesis, allowing rapid build-up of complexity without introducing unwanted side branches. Pharmaceutical actors target tertiary centers in drug manufacturing, where unintended isomerism reduces pharmacological impact or complicates safety trials. In additive manufacturing, our customers rely on its branched structure to build lubricants that handle higher loads, resist breakdown, and extend component life in gear trains and turbine assemblies.

    Large-scale plastics producers constantly seek ways to balance impact resistance with processability. By integrating controlled amounts of 3,3-Dimethyl-1-Butene, engineers tune chain branching and thus achieve toughness without over-plasticizing or sacrificing optical clarity. This comes out in failure rate stats gathered both in our labs and in customer feedback after long-term field trials. Corrugated sheet, outdoor signage, and food-packaging films all gain from this olefin’s unique contribution to controlling melt behavior, die-swell, and UV resistance over time.

    Specialty surfactant production thrives on tightly branched precursors, as unbranched olefins either introduce spoilage points or destabilize emulsions. Chemists working in mineral extraction, enhanced oil recovery, or environmental remediation reach out for our product based on its clean hydrocarbon backbone and predictable reactivity, knowing this translates to lower cost-per-gallon in the field and less post-use treatment of spent chemicals.

    What Experience in Production Teaches: Continuous Improvement

    Day-to-day management of an olefin production facility hones a sense of process reality often missing from third-party suppliers or distributors. Our operators move beyond basic monitoring, actively tweaking temperature, catalyst feed, and fractionation cut points based on live analytics and historical performance. Engineers devise maintenance schedules not centered on theory, but on years of bearing, seal, and column packing lifespans observed in service while handling materials as sensitive as branched 1-butenes.

    We encourage feedback and regularly sponsor roundtable discussions with our top users—a practice that began after client labs started identifying micro-impurity patterns unique to petrochemical clusters or shipping containers. That two-way conversation built the foundation for both our product development flow and our troubleshooting capabilities. Every process improvement, from advanced condenser design to double-wall containment, reflects this reality-based, end-user engaged approach.

    The Difference Starts at the Source

    Synthetic chemistry, at commercial scale, wields tremendous leverage over downstream user success. Choosing to refine production around a single molecule, rather than blending or simply taking byproduct streams, let us invest in precision at every step. From feedstock selection, through catalyst and reactor control, to the packing protocol and final outbound drum, our process seeks to remove guesswork both for our technical staff and for the companies who have built their processes around real, reproducible quality.

    We routinely welcome audits and offer full open-book disclosure on production protocols, recognizing that trust builds with transparency. There’s a marked difference between shipping “close enough” material and being able to pinpoint, tank by tank, batch by batch, the history of the chemical as it moved from raw feed to finished olefin.

    Responsibility and Vision: The Next Steps for Advanced Olefins

    Stakeholders today expect not just technical specs, but a vision for sustainability and waste minimization. Over years of operation, we have integrated closed-loop capture for vent streams, solvent recovery, and energy auditing into the workflow, reducing both cost and environmental impact. Residuals from our fractionation stages go to verified secondary use, not bulk disposal, thanks to partnerships with adjacent chemical and fuel users. Our technical staff invest effort into research collaborations with surfactant and polymer chemists, aiming to refine catalyst systems so that product homogeneity and shelf-stability improve even further.

    Customers who choose 3,3-Dimethyl-1-Butene from us aren’t only paying for purity or compliance. They are selecting the tangible outcomes of years spent troubleshooting, scaling up, and engineering a product that migrates from lab bench to full-scale plant runs without hidden surprises. We view every new project—be it a startup challenger or a global packaging giant—as another opportunity to demonstrate that quality, when built in from the start, pays out over the full life of each chemical batch. This outlook shapes everything from our maintenance culture to how we track field returns or manage technical support on large projects.

    Continuous Support from the Source—Not From Afar

    Downstream users often share their relief at having direct access to the minds and hands that make the chemical, not merely sell it. Process refinements, recipe changes, or troubleshooting usually benefit from the input of someone who knows exactly how a molecule was made, fractionated, and packed. Our technical teams log application notes, compile reference spectra from customer runs, and maintain a library of user-submitted data for trends or anomaly detection. The trust built on this exchange forms the platform for faster scale-up, less downtime, and fewer unforeseen changes when market or regulatory expectations evolve.

    Working as the source manufacturer adds accountability, but also rewards, in knowing that sophisticated operations—be they in plastics, pharmaceuticals, advanced lubricants, or environmental applications—run more efficiently because the right molecule arrives as promised, with a traceable, reproducible pathway from start to finish.