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2,3,3-Trimethyl-1-Butene

    • Product Name 2,3,3-Trimethyl-1-Butene
    • Alias isooctylene
    • Einecs 211-266-5
    • 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
    VTB
    Specifications

    HS Code

    158368

    Iupac Name 2,3,3-Trimethyl-1-butene
    Molecular Formula C7H14
    Molar Mass G Mol 98.19
    Cas Number 563-97-9
    Appearance Colorless liquid
    Boiling Point C 84-86
    Density G Cm3 0.720
    Melting Point C -101
    Refractive Index N20 1.400
    Flash Point C -2
    Solubility In Water Insoluble
    Structural Formula CH2=C(C)C(C)(C)CH3

    As an accredited 2,3,3-Trimethyl-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 with a secure screw cap, labeled "2,3,3-Trimethyl-1-Butene, 98%," and hazard warnings.
    Shipping 2,3,3-Trimethyl-1-butene is typically shipped in tightly sealed metal drums or containers under inert gas, away from sources of ignition due to its flammability. It must be labeled according to hazardous material regulations and stored in a cool, well-ventilated area. Proper documentation accompanies each shipment for safe handling and transport.
    Storage 2,3,3-Trimethyl-1-butene should be stored in a cool, dry, and well-ventilated area, away from heat, sparks, and open flames. Store the chemical in tightly closed containers made of compatible materials. Avoid exposure to strong oxidizing agents. Proper grounding and bonding are recommended during transfer. Clearly label the storage area and containers, and keep them protected from direct sunlight.
    Application of 2,3,3-Trimethyl-1-Butene

    Applications of 2,3,3-Trimethyl-1-Butene in Industrial Manufacturing

    2,3,3-Trimethyl-1-butene plays a critical role as a structural alkene intermediate in various specialized industries. Its highly branched structure and reactivity allow for targeted synthesis in multiple complex downstream processes. As the original manufacturer, we supply this raw material for high-value industrial applications where quality consistency and traceability are essential.

    1. Synthesis of Pharmaceutical Intermediates for Statin Production

    Pharmaceutical manufacturers use 2,3,3-trimethyl-1-butene as a building block in the synthesis of sidechains for certain statin drugs, including atorvastatin. The compound serves as a precursor after hydroformylation and subsequent functional group transformations, leading to pharmaceutical intermediates under strict process control. Production requires high-purity grades and full batch traceability to comply with regulatory inspections, with documentation supporting cGMP manufacturing. Analytical monitoring ensures that residual alkene and process impurities remain well below pharmacopoeial limits for active pharmaceutical ingredients.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • EU GMP Directive 2003/94/EC for medicinal products
    • USP/NF monographs for related intermediates
    • 21 CFR Part 211 FDA cGMP regulations

    Typical usage ratio

    • Used at 1.1 to 1.3 molar equivalents relative to target intermediate, adjusted based on conversion efficiency and desired yield. Excess can be required to ensure full conversion with catalytic systems.

    Downstream process integration

    • Introduced after initial Grignard or hydroformylation steps to form statin sidechain precursors
    • Employed in closed reactor vessels with continuous sampling
    • Strict feed control via automated dosing units
    • Subject to in-line purification and intermediate isolation by crystallization or extraction

    Final product types

    • Active pharmaceutical ingredients (APIs) such as atorvastatin calcium
    • Statin drug intermediates
    • Certified GMP pharmaceutical raw materials
    • Key chiral building blocks for cardiovascular medications

    2. Manufacture of Highly Branched Alkylated Aromatic Additives

    Producers of high-performance lubricant additives employ 2,3,3-trimethyl-1-butene for Friedel-Crafts alkylation with aromatic rings such as benzene or toluene. This application exploits its tertiary structure to introduce bulky, branched substituents, yielding products with excellent stability and pour-point characteristics. These properties are essential for extending lubricant service life in automotive and industrial engines. Strict control over reaction temperature and alkylation catalyst selection maximizes the formation of targeted mono- or di-alkylated products, minimizing oligomers and byproducts.

    Industry compliance standards

    • ASTM D4485 API Engine Oil Licensing and Certification System
    • ISO 14001:2015 (manufacturing system environmental management)
    • REACH (EC) No 1907/2006 for chemical substance registration
    • SAE J183 Engine Oil Performance Requirements

    Typical usage ratio

    • Incorporated at 0.95 to 1.15 molar ratio to aromatic substrate, depending on target degree of substitution and final additive formulation.

    Downstream process integration

    • Fed into closed batch reactors with acid catalyst (e.g., AlCl3) at controlled rates
    • Monitored for exothermic reaction with real-time calorimetry
    • Integrated in additive blending lines with online QC
    • Final alkylated products purified via distillation and filtration

    Final product types

    • Alkylated benzene lubricant additives
    • Detergent and dispersant additives in engine oils
    • Hydraulic and turbine oil modifiers
    • Synthetic base stocks for extended performance fluids

    3. Raw Material for Specialty Polyolefin Synthesis

    Specialty polymer manufacturers utilize 2,3,3-trimethyl-1-butene as a co-monomer in the synthesis of highly branched polyolefins and copolymers. The resulting materials exhibit excellent clarity, flexibility, and heat resistance, which find demand in hot-melt adhesives and performance packaging films. Polymerization generally occurs via coordination catalysts such as Ziegler-Natta or metallocene systems, requiring precise dosing to control resin microstructure. Monitoring of comonomer incorporation rates is crucial to achieving the desired balance of melt flow and mechanical properties in the final resins.

    Industry compliance standards

    • FDA 21 CFR 177.1520 (polymers for food contact)
    • ISO 9001:2015 (quality management for polymer manufacturing)
    • ROHS Directive 2011/65/EU for electronic packaging
    • ISO 1133 for determination of melt flow rate in plastics

    Typical usage ratio

    • Added at 1%–5% by weight relative to ethylene or propylene, depending on the copolymer’s intended properties and product specifications.

    Downstream process integration

    • Dosed as liquid co-monomer to continuous or batch gas-phase polymerization reactors
    • Incorporated via high-precision metering pumps with inert gas blankets
    • Participation rate monitored by IR or NMR spectroscopy
    • Integrated with post-polymerization extrusion and compounding lines

    Final product types

    • Hot-melt adhesive pellets and granules
    • Food-grade and specialty packaging films
    • Impact-resistant automotive interior components
    • Sealing layers for medical blister packs

    4. Intermediate for Advanced UV Absorbers in Polymer Stabilization

    Manufacturers of light stabilizer additives use 2,3,3-trimethyl-1-butene in synthesizing branched hydroxyphenyl-triazines and benzotriazole UV absorbers. Its structure enables the introduction of bulky alkyl groups, improving solubility and stabilizer compatibility with diverse polymer matrices. These UV absorbers help preserve long-term color and integrity in outdoor plastics, automotive coatings, and agricultural films. Production cycles emphasize reliable product documentation, reproducible purity levels, and full chain-of-custody from raw material intake to additive shipment.

    Industry compliance standards

    • EU Regulation (EC) 10/2011 for plastic food contact additives
    • ISO 4892-2:2013 for UV aging test protocols in plastics
    • OECD Environmental Risk Assessment guidelines for chemical additives
    • Global Automotive Declarable Substance List (GADSL) compliance

    Typical usage ratio

    • Utilized at 1.2 to 1.7 molar equivalents relative to phenolic core structures, tailored to UV stabilizer design and targeted molecular weight.

    Downstream process integration

    • Entered after phenolic core synthesis in alkylation or condensation steps
    • Processed under nitrogen with precision catalyst control
    • Subjected to high-vacuum distillation for purity assurance
    • Integrated within additive compounding systems for uniformity

    Final product types

    • UV absorber masterbatches for plastic extrusion
    • Co-extruded films with enhanced light stability
    • Automotive exterior coatings with extended colorfastness
    • Flexible agricultural films for greenhouse use
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    Certification & Compliance
    More Introduction

    2,3,3-Trimethyl-1-Butene: A Reliable Solution in Alkene Chemistry

    Product Overview

    From our experience on the manufacturing floor, 2,3,3-Trimethyl-1-butene stands out among branched alkenes for its purity, reliability, and straightforward handling. This colorless liquid, with the molecular formula C7H14, shows strong appeal for synthetic chemists designing specialty chemicals, lubricants, or pharmaceuticals. In today’s chemical landscape, demands have shifted towards precision, consistent quality, and products that reduce downtime during downstream processing. Our production line produces 2,3,3-Trimethyl-1-butene in batches that meet a purity of 98% or more, which translates to smooth, reliable reactions for end users.

    Specifications and Quality Control

    Labs and processing teams often ask for repeatable results, especially when alkenes go into isomerization, polymerization, or serve as alkylating agents. 2,3,3-Trimethyl-1-butene answers this need due to a boiling range around 80-82°C at normal pressure, making it predictable during distillation or reaction setups. Every bulk shipment coming off our tanks gets quality checked for water, halide, and peroxide levels, as any trace by-product can throw off the catalysis or impact finished product colors. We keep test results transparent and focus on minimizing oxidizable impurities, since they tend to cause issues in sensitive applications or in long-term material storage.

    Practical Uses and Experience from Industry

    Buyers in the fragrance sector favor this butene isomer for its role in manufacturing intermediate alcohols, acids, and esters. A single feedstock with the right purity means they can scale production with fewer chromatographic steps, which keeps waste streams under control. For companies making synthetic lubricants or specialty oils, clean 2,3,3-Trimethyl-1-butene ensures precise molecular branching, yielding smooth flow properties and oxidative resistance. The pharmaceutical sector values a stable, well-documented alkene source, as lengthy regulatory approvals start with the confidence in a repeatable raw material batch.

    We often discuss bottlenecks and troubleshooting directly with plant technicians or lab staff. They point to handling challenges with less-stable butenes, noting how trace impurities in other isomers tend to foul catalysts or introduce variability in product yield. In contrast, our proprietary finishing steps for 2,3,3-Trimethyl-1-butene help keep peroxide and aldehyde counts low, meaning customers spend less time filtering and more time making product. Some clients use this alkene as a building block for higher-performance plastics or elastomers. The consistent chain-length and branching help achieve predictable reactivity and final mechanical properties.

    Why Specification Matters in Real-World Operations

    Over several years in production, we have seen how seemingly minor differences in feedstock quality ripple through manufacturing. 2,3,3-Trimethyl-1-butene, due to its defined structure, generates fewer polymerization artifacts compared to straight-chain counterparts like 1-heptene or 1-butene. We learned this through side-by-side plant runs, tracking yields and catalyst lifespan over months. Technicians found that straight-chain butenes often create more oligomers and require frequent maintenance. Branched isomers such as 2,3,3-Trimethyl-1-butene, due to their steric profile, keep polymerization side reactions in check, especially during cationic or Ziegler-Natta catalyzed syntheses.

    Additionally, we’ve been part of troubleshooting teams brought in when a client experiences foaming or yellowing in end products. Reviewing batch records, it often traces to contaminated or off-spec alkenes from other vendors. By switching to our purified 2,3,3-Trimethyl-1-butene, several partners saw clear improvements in color, flavor, or mechanical stability. These aren’t abstract claims: one customer reported more than 20% reduction in downstream waste after standardizing their isomer mix and improving alkene source reliability.

    Environmental and Handling Considerations

    We focus on safe, reproducible delivery, as volatile organic compounds require careful management. Our tanks, valves, and loading bays are monitored to limit emissions, and every batch comes with storage and handling advisories that reflect both occupational safety and environmental standards. Our logistics team shares real advice on spill response, pressure management, and end-of-life recycling options. For buyers accustomed to less scrupulous vendors, these checks bring peace of mind. Should any part of the batch fall out of spec, it is rerouted for reprocessing. This hands-on attention helps clients avoid plant downtime, regulatory fines, or rework.

    Feedback from the field drives us to keep the process robust. We responded to requests for smaller, sealed drums for R&D teams who don’t need tanker volumes, yet demand the same high standard as full-scale production. Listening to regional partners, we adapted packaging to local transport codes and secondary containment requirements, further reducing the risk of loss or exposure during shipping. Our track record for on-spec, safely packed 2,3,3-Trimethyl-1-butene speaks for itself, with over 10 years of incident-free bulk deliveries across multiple continents.

    Differences Compared to Other Products

    There’s a tendency in the specialty alkene market to lump all butenes together, but chemists who work at scale see distinctions. Straight-chain isomers, like 1-butene or even branched 2-methyl-2-butene, display higher reactivity in some polymerization schemes, but this can lead to runaway side products or unstable materials. Non-branching isomers often contribute to color or odor issues when used in flavor or fragrance syntheses.

    Our experience has shown that 2,3,3-Trimethyl-1-butene’s compact, highly branched structure sets it apart. It offers better resistance to premature polymerization, even during energetically demanding alkylation steps or high-pressure reaction conditions. Several R&D labs documented cleaner reaction profiles and lower by-product formation when switching to our branched material, allowing them to simplify purification steps. We’ve had customers move from 2-methyl-2-butene to 2,3,3-Trimethyl-1-butene after facing recurring foaming and instability in pilot plant reactors. The more hindered double bond in our product makes formation of undesired dimers less likely and helps extend catalyst lifetime in such systems.

    Production Philosophy and Response to Market Needs

    As a chemical manufacturer, consistency defines our work. We operate on the principle that stability in the supply chain translates to stability in client operations. Routine testing, investment in air-free and moisture-free processing, and attention to purity support production plants seeking fewer surprises when shifting recipes or scaling output. Our technical liaisons handle detailed questions on reactivity, storage, and compatibility for new process launches, drawing on real-world troubleshooting experience. Sharing knowledge helps our clients plan for routine runs and unexpected events alike.

    We prioritize direct relationships with buyers, because customer engineers and chemists need more than a web listing; they benefit from detailed, practical advice. Sometimes, clients need custom blends or modifications, like low-sulfur variants for certain high-purity pharmaceutical syntheses, or UV-inhibited packaging if their process runs near sunlight. Our willingness to produce small, pilot-scale lots has given emerging innovators the room to experiment before scaling, and we’ve implemented tailored logistics solutions for those facing regulatory or temperature transport barriers.

    Opportunities and Challenges in 2,3,3-Trimethyl-1-Butene Supply

    The alkene market changes with shifts in demand for downstream polymers, oils, and additives. Raw material costs and supply chain breaks pose challenges, especially during periods of oil price volatility or port congestion. Years of experience taught us to build buffer stocks and maintain supplier diversity to cushion clients from these shocks. Our plant operators and QA teams stay on top of market trends, making sure any move in raw feedstock prices or impurity profiles is identified early enough to adjust recipes or sourcing. This vigilance reduces the likelihood of backorders or inconsistent quality reaching the client's facility.

    We’ve experienced times when feedstock contaminants cropped up, requiring rapid analytical investigation and process adaptation. Our in-house lab responds quickly, so we can offset the introduction of unsaturated side-products or unwanted cyclics. Fast action saves production runs and avoids setting back entire manufacturing schedules. We share these learnings with customers—a transparent communication that builds confidence. In the rare event of customer complaints, we investigate with samples from the same lot and run parallel analysis to deliver a practical solution, not a generic apology.

    Improving Value Through Innovation and Feedback

    Our R&D teams work closely with clients to push the boundaries for end-use performance, whether that’s in biodegradable plasticizers, advanced fuel additives, or new generation lubricants. Some buyers share details of new process chemistry or equipment, allowing us to tweak our production to match lower water or halide levels. Because the market for specialty alkenes is competitive, we view every batch that goes out the door not just as a sale, but as proof of reliability.

    We encourage ongoing feedback, which often drives product evolution. For example, in response to customer input, we recently optimized our distillation columns to reduce trace sulfonate levels, removing a persistent headache in downstream hydrogenation. Through these iterative improvements, we help our clients create higher-performing products that also meet stricter environmental or safety profiles. We see ourselves as partners, working with producers from initial trial runs through scale-up and commercialization.

    Long-Term Benefits of Dedicated Manufacturing

    The commitment to direct manufacturing—not relying on traders—means greater control over upstream material, processing conditions, and final product characteristics. Over time, our long-term clients have noted sharper lot-to-lot consistency in their products, lower rates of batch rework, and faster implementation of changes in regulatory or customer-driven requirements. Staying close to the source gives us the flexibility to meet complex compliance needs, like updating documentation for EU REACH, North American TSCA, or new Asian market standards.

    As the market adopts new sustainability goals, we’re investing in process efficiency and waste minimization at every step. Distillate recovery, energy monitoring, and closed-loop vent systems are part of our approach to limit both operating costs and our environmental footprint. Every gain in process reliability benefits not just us as a manufacturer, but also every member of the value chain who depends on a stable, high-quality alkene feedstock.

    Looking Ahead

    Growth in advanced polymer, lubricant, and specialty chemical markets will hinge on the availability of well-characterized, high-purity building blocks like 2,3,3-Trimethyl-1-butene. Many of our partners are ramping up R&D investment, seeking more predictable, sustainable outcomes. We remain committed to providing a direct, stable supply channel and expert technical support, so our clients can focus on innovation rather than troubleshooting material inconsistencies.

    Our day-to-day work reveals that every batch delivered carries expectations of quality, dependability, and adaptability. By maintaining open lines of communication and investing in continuous process improvement, we move forward together with the industries that rely on advanced alkenes—delivering not just a product, but a foundation for long-term growth and technical success.