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1-Methylcyclopentanol

    • Product Name 1-Methylcyclopentanol
    • Alias 1-Methylcyclopentanol
    • Einecs 210-624-0
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry sales7@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    856904

    Cas Number 591-24-2
    Molecular Formula C6H12O
    Molecular Weight 100.16 g/mol
    Iupac Name 1-methylcyclopentan-1-ol
    Appearance Colorless liquid
    Boiling Point 153-155 °C
    Melting Point -20 °C
    Density 0.899 g/cm3
    Refractive Index 1.444
    Flash Point 54 °C
    Solubility In Water Slightly soluble
    Synonyms 1-Methyl-1-cyclopentanol

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

    Packing & Storage
    Packing 1-Methylcyclopentanol is supplied in a 500 mL amber glass bottle with a secure screw cap and appropriate hazard labeling.
    Shipping **Shipping Description for 1-Methylcyclopentanol:** 1-Methylcyclopentanol should be shipped in tightly sealed containers, protected from heat, sparks, and open flames. Store and transport in a cool, well-ventilated area. Ensure compliance with all relevant local, national, and international regulations for flammable or potentially hazardous chemicals. Proper labeling and documentation are required for safe handling and transit.
    Storage 1-Methylcyclopentanol should be stored in a tightly closed container in a cool, dry, and well-ventilated area away from sources of ignition, heat, and incompatible materials such as strong oxidizers. Protect from moisture and direct sunlight. Store at room temperature and ensure proper labeling. Use secondary containment to prevent accidental release or spills. Follow all applicable safety and handling guidelines.
    Application of 1-Methylcyclopentanol

    Applications of 1-Methylcyclopentanol in Industrial Manufacturing

    1-Methylcyclopentanol performs critical roles in select high-value industrial sectors owing to its defined cycloaliphatic structure and secondary alcohol functionality. Our manufacturing-grade material integrates into specialized downstream processes as a reactive intermediate or performance modifier, with established utility in fragrance synthesis, custom polymer additives, advanced agrochemical synthesis, specialty lubricant formulations, and pharmaceutical intermediates. The following sections detail distinct application paths, operational requirements, and typical formulation parameters established by downstream industry leaders.

    1. Fine Fragrance and Flavor Compound Synthesis

    Downstream fragrance and flavor manufacturers commonly use this raw material for its cycloaliphatic alcohol profile, which imparts unique odorous and flavor notes not achievable with mainstream alternatives. Our consistent purity specification enables formulators to generate target organoleptic characteristics in top and middle note components for luxury perfumes and aroma blends. The material enters esterification or acetalization steps under mild acid catalysis, supporting formulation diversity with accurate batch-to-batch reproducibility for both consumer and professional-use end products.

    Industry compliance standards

    • IFRA Standards (International Fragrance Association) QRA guidelines
    • Food Chemicals Codex (FCC), for food flavor applications
    • EU Regulation (EC) No 1334/2008 for flavoring substances
    • ISO 9001-certified batch release with full analytical COA traceability

    Typical usage ratio

    • Fragrance bases: 0.05–1.5%, adjusted by desired note balance and composition volatility
    • Flavor systems: 0.002–0.2% maximum as per regional safety and exposure limitations

    Downstream process integration

    • Direct feed into fragrance oil compounding via in-tank blending
    • Esterification to produce cyclopentyl esters for finished fragrance accords
    • Acetalization for stabilized aroma deliverables in complex blends
    • Post-reaction distillation for purity assurance before product bottling

    Final product types

    • Fine perfumes and eau de toilette formulations
    • Luxury home fragrance diffusers
    • Flavor emulsions for confectionery and beverages
    • Encapsulated aroma beads for air fresheners

    2. Cycloaliphatic Polymer Modifier in Specialty Coatings

    Industrial coatings manufacturers integrate this chemical as a co-monomer or chain modifier in high-performance cycloaliphatic resin systems, particularly UV-curable or heat-cured topcoats. Its inclusion enhances flexural strength, weathering tolerance, and solvent resistance in advanced automotive and electronics coatings. Formulation chemists employ the raw material in controlled proportions during pre-polymerization to optimize crosslink density and improve finished film attributes that meet sector-specific durability benchmarks.

    Industry compliance standards

    • REACH Registration (EC 1907/2006) for use in polymers within the European Union
    • RoHS Directive 2011/65/EU for electronics applications
    • ISO 12944 environment and corrosion protection standards
    • OEM automotive paint qualification protocols (PPG, BASF, Axalta)

    Typical usage ratio

    • Polymer backbone: 1–4% of total monomer blend, depending on target flexibility and chemical resistance
    • Additive phase: 0.5–2% for surface finishing enhancement

    Downstream process integration

    • Pre-polymer charge blending with cycloaliphatic diepoxides
    • Chain-end modification in resin batch reactions
    • Post-polymerization functionalization for surface modification
    • Inline additive dosing prior to pigment dispersion

    Final product types

    • UV-curable clear coats for consumer electronics
    • Scratch-resistant automotive clear and color coatings
    • Weather-resistant architectural paints
    • Protective varnishes for wood and plastic substrates

    3. Intermediate for Agrochemical Synthesis

    Chemical process plants utilize this intermediate for synthesizing specialty agrochemical compounds, specifically in manufacturing selective herbicides and fine insecticide precursors. The secondary alcohol functional group offers desirable reactivity for downstream oxidation or cyclization steps, allowing tight process control during active ingredient assembly. Continuous-flow or batch reactors introduce the raw material at critical stages, ensuring synthesis of agro-active molecules with high yield and isomeric purity, essential for modern crop protection products.

    Industry compliance standards

    • FAO/WHO Specification for Pesticide Technical Materials
    • US EPA FIFRA registration requirements for technical precursors
    • ISO 17025-certified laboratory QC verification
    • REACH Annex VII-VIII for intermediate use declaration

    Typical usage ratio

    • Active intermediate synthesis: 0.5–2.5 molar equivalent relative to core cyclization reactants
    • Optimized by pathway—cyclization or oxidation—using real-time GC/HPLC analytics for endpoint control

    Downstream process integration

    • Feedstock in selective catalytic oxidation for ketone intermediates
    • Cycloalkyl group introduction during agroactive backbone synthesis
    • Process step prior to functional group protection/deprotection
    • Final purification via fractional distillation or crystallization

    Final product types

    • Cycloaliphatic-selective herbicide formulations
    • Fine insecticide technical concentrates
    • Precursor solutions for plant-growth regulators
    • Custom intermediate batches for contract synthesis

    4. High-performance Lubricant and Synthetic Oil Additive

    Major synthetic oil blenders and industrial lubricant formulators apply this material as a ring-structured viscosity modifier and friction-reducing additive, especially for greases and specialty mechanical oils operated at wide temperature ranges. The cyclopentanol moiety provides hydrolytic stability and modulated polarity, supporting lubricant longevity in high-load or high-shear machinery. Our pure supply feeds directly into additive premixes or finished oil formulations under closely controlled shear and thermal compounding protocols.

    Industry compliance standards

    • ASTM D4485 specifications for engine oil additive systems
    • DIN 51517 for industrial gear lubricants
    • ISO 6743 lubricant family classifications
    • OEM machinery lubricant performance approvals (Siemens, Caterpillar, SKF)

    Typical usage ratio

    • Base oil modification: 0.2–1.2% by mass depending on target viscosity profile
    • Custom greases: 0.3–2.0% depending on working penetration and load requirements

    Downstream process integration

    • Direct blending with synthetic polyalphaolefin base stocks
    • Co-formulation with antioxidant and antiwear additive packs
    • High-shear mixing during pre-filtration stages
    • Continuous feed in large-scale compounding reactors

    Final product types

    • High-stability industrial synthetic lubricants
    • Premium gear and transmission oils
    • Greases for high-temperature bearings
    • Precision machinery hydraulic fluids

    5. Pharmaceutical Intermediate for API Synthesis

    GMP-compliant pharmaceutical manufacturers employ this raw material as a building block for synthesizing specific active pharmaceutical ingredient (API) intermediates, including selective central nervous system (CNS) agents and anti-infective molecules. Its defined stereochemistry and secondary alcohol function make it suitable for further transformation through oxidation, etherification, or amination steps. The material feeds into strict chain-of-custody batch records within validated synthesis suites, supporting traceable pathway control and regulatory inspections across the API supply chain.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice (GMP) for Active Pharmaceutical Ingredients
    • US Pharmacopeia (USP) and European Pharmacopeia (Ph. Eur.) monographs as applicable
    • 21 CFR Part 211 cGMP requirements
    • Comprehensive impurity profiling per ICH Q3A/B

    Typical usage ratio

    • Intermediate input: 0.7–2.8 mole per core API route depending on target yield and stepwise selectivity
    • Determined by multi-stage pharmaceutical process mapping and validated shift data

    Downstream process integration

    • Primary alcohol source in stereoselective API intermediate synthesis
    • Oxidation substrate for corresponding carboxylic acid or ketone formation
    • Reagent inclusion in protected intermediate assemblies
    • Input to continuous or batch multi-step GMP synthesis trains

    Final product types

    • API intermediates for CNS pharmaceuticals
    • Precursors for anti-infective drug substances
    • Specialty intermediates for contract pharmaceutical synthesis (CDMO)
    • Stereo-defined pharmaceutical fine chemicals
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    Certification & Compliance
    More Introduction

    1-Methylcyclopentanol: Practical Insights From the Manufacturer’s Floor

    Understanding 1-Methylcyclopentanol From a Chemical Maker’s Perspective

    Years of hands-on production have taught us that certain compounds prove themselves not in a catalog or specification sheet, but in daily operation and real-world use. Among them, 1-Methylcyclopentanol consistently draws attention, both for its versatility and its unique position among cyclic alcohols. As a direct manufacturer, we have extensive experience with this material, from quality raw sources to finely tuned distillation and precise quality control ensuring each batch meets the same reliable standards batch after batch.

    Our Production Model and the Chemistry That Powers It

    In our plant, 1-Methylcyclopentanol is produced through controlled hydrogenation routes that minimize impurities. We monitor for residual acids, unsaturates, and by-products like cyclopentanol or cyclopentanone using chromatography and titration checks as part of our daily practice. Typical product clarity is water-white, with no cloudiness if shipped directly from our lines. Density, boiling range, and purity are tightly regulated—GC purities reach above 98%, and moisture remains low so as not to interfere with subsequent applications. The molecular formula (C6H12O) lies at the heart of every synthesis; production teams track that structure across each step, ensuring accurate identification and handling.

    Distinct Features That Set This Material Apart in Real-World Manufacturing

    Compared to other alcohols, 1-Methylcyclopentanol presents properties that we have seen make a difference in plant processes. Its balanced profile—neither too volatile nor prone to excessive residue—has led several customers to favor it for synthesizing specialty esters, where control of side reactions can make or break product quality. Some cycloalkanols tend to introduce undesirable odors or instability in finished goods. In contrast, the methyl substitution in 1-Methylcyclopentanol supplies greater molecular bulk, effectively dampening reactive hot spots that can create off-notes or discoloration during downstream steps. We’ve tracked this advantage in real-time process troubleshooting, where other alcohols such as cyclopentanol or even certain linear secondary alcohols failed to deliver the same balance of reactivity and stability.

    Practical Applications and Lessons From the Field

    Customers in fragrance, agrochemical, and fine chemical synthesis regularly request 1-Methylcyclopentanol for its ability to deliver cleaner intermediates. We’ve witnessed large-scale syntheses where replacement with cheaper or structurally different alcohols led to yield drops or troublesome by-products. For example, fragrance producers mention that this compound’s less pungent scent profile minimizes background interference in blends intended for high-end personal care goods. Rolling out a batch, we often find the expected sweet-woody note remains consistent even after storage, something less common among other cyclopentanol isomers we’ve tested.

    On the formulation side, 1-Methylcyclopentanol dissolves well in common organic solvents and shows a cooperative miscibility in reaction media, avoiding phase-separation headaches that slow down production. Chemical engineers on our team appreciate how it behaves under pressure and heat, limiting equipment fouling and runoff compounds that cause shutdowns or cleanup delays. Realistically, no synthetic alcohol is perfectly neutral; still, the track record in our own production as well as feedback from long-term industrial partners gives us confidence in its ability to reduce unpredictable operation costs.

    Key Differences From Related Alcohols Based on Our Operations

    Drawing from side-by-side plant runs, we’ve compared 1-Methylcyclopentanol to straight-chain analogs like 2-methyl-2-butanol and other cyclic isomers. One pattern stands out: 1-Methylcyclopentanol offers greater resilience to oxidation and retains its performance in conditions where heat or exposure to air would degrade less bulky alcohols. Our analytical chemists have measured this difference using peroxide-value tests and GC-MS analysis after accelerated aging periods. Fewer breakdown products translate to longer shelf life for both the intermediate and the final manufactured article.

    Physical handling also sets this material apart. The boiling range, typically centered in the 170–175°C zone, suits mid-temperature distillation without putting undue stress on plant condensers or posing excessive loss in open systems. We noticed that attempts to substitute this compound with smaller or less-substituted cyclic alcohols resulted in sharper evaporation rates or troublesome vapor losses, complicating system balance and operator safety. Practical experience with our own storage tanks confirms that with standard sealed drums and nitrogen blanketing, 1-Methylcyclopentanol exhibits excellent stability, avoiding the losses elsewhere recorded in less-substituted cyclopentanols.

    Challenges Observed and How We Address Them

    Every chemical comes with its share of challenges. Early attempts at scaling up our 1-Methylcyclopentanol line highlighted sensitivity to catalyst poisoning from trace feed impurities. By investing in more thorough pre-distillation purification and continuous feed monitoring, we reduced the downtime and avoided variable batch qualities that plagued initial runs. The cartridge filtration units we employ now block particulates and color bodies that, if unchecked, degrade finished product clarity. Customers have commented on this improvement during audits of our process floor, sometimes running validation checks on our batches independently and confirming our numbers held up to their standards.

    Storage and packaging have their own quirks. 1-Methylcyclopentanol’s chemical nature demands water-tight containers, as even brief moisture ingress can encourage phase separation or discoloration. Early on, we tested steel drums lined with standard epoxy, only to see subtle leaching of flavors into the product over time. We switched to fluoropolymer internal linings and immediately noticed a marked decrease in these off-notes. Incoming client requests for samples from different storage lots have routinely shown a consistency that we trace back directly to this packaging upgrade.

    Economic and Environmental Perspective

    Market shifts and raw material supply changes keep us on our toes. During volatility in upstream cyclopentanone feedstocks, we invest in inventory buffers and maintain steady relationships with our most consistent suppliers, ensuring 1-Methylcyclopentanol keeps flowing without price shocks to end-users. Production yields matter: every percent of waste we can shave off translates to a lower environmental footprint. Alongside regulated scrubbers and process condensate recyclers installed in the plant, we’ve invested in closed-loop systems that reclaim nearly all solvent losses during the production cycle, a crucial factor as environmental regulations tighten worldwide.

    We recognize growing global concern over sustainable chemical manufacturing. To that end, we routinely audit our waste output and energy consumption per ton of 1-Methylcyclopentanol produced, setting internal benchmarks for improvement year over year. Through regular operator training and process tweaks rooted in statistical process control, our teams have trimmed water and energy usage even as production volumes rise. Our experience has convinced us that paying close attention to process efficiency isn’t just about saving money—it’s about ensuring long-term viability as regulations and expectations evolve.

    Safety and Occupational Health Experience in Our Facilities

    Routine exposure to alcohols on the shop floor drives us to enforce careful handling protocols. Operators use appropriate PPE and follow established transfer procedures; spills get immediate containment, and even minor leaks prompt rapid intervention. 1-Methylcyclopentanol has an odor threshold that allows personnel to detect issues before vapor buildup becomes significant, but we rely on practical measures—ventilation, regular air quality monitoring, and thorough shift briefings. Lessons learned from years of handling have made us cautious with hot transfer lines, ensuring no open points exist where vapor could backflow into occupied areas. Our safety audits reflect a gradual reduction in minor incidents as our crews gain experience with this alcohol’s characteristics.

    Industry Trends and Evolving Applications Based on Regular Customer Feedback

    As direct suppliers to a wide spectrum of users, our conversations with technical managers and product developers reveal new trends. Recently, demand from specialty coating manufacturers has grown, leveraging 1-Methylcyclopentanol's compatibility with fine resin systems to develop weather-resistant polymers. We’ve run pilot batches in collaboration, tweaking reflux ratios and monitoring real-time viscosity adjustments to fit specific requirements. Other requests focus on next-generation agrochemical intermediates where the compound’s moderate reactivity serves to control active release rates in slow-dissolving formulations. We benefit by staying adaptable—our process team regularly updates reaction protocols to accommodate these shifts, feeding field observations back into our internal research loop.

    Opinions in fragrance development circles cite the material’s warm, slightly balsamic undertone as an advantage, especially where a softer, lingering base note is needed without overpowering herbal or floral accents. Time and again, technicians mention that other cyclic alcohols either disappear too quickly or bring in distracting green or musty odors. Our product’s consistent olfactory character across seasons and batches speaks to robust feedstock control and on-line sensory checks. This kind of feedback helps guide our own quality benchmarks.

    What We’ve Learned About Scale, Supply, and Reliability Over Years of Manufacture

    Running a chemical production unit takes more than a list of technical specs. Batch scale-up is about predicting and managing changes in heat transfer, reflux control, and by-product removal as material volumes increase. Along the way, unexpected problems arise—tough-to-remove tars or runaway crystallization events can stall lines and eat into shipment schedules. With 1-Methylcyclopentanol, batch repeating over hundreds of runs has allowed us to fine-tune finisher column cycles and set alarms at every point where trace contaminants might spike. We maintain buffer tankage so users downstream experience consistent lot-to-lot supply even during scheduled maintenance intervals.

    Our plant's reliability owes much to workers who spot subtle shifts in process color or viscosity long before readings move out of spec. By maintaining a strong in-house laboratory, we routinely catch drift in physical properties early. Our QC staff utilize both manual and automated testing to confirm every shipment—nothing leaves our tanks until it’s cleared for color, assay, moisture, and GC profile. Supply reliability means fewer disruptions for our clients, something every seasoned process manager values far above a marginally lower cost from less consistent sources. We have found that focusing on this kind of stability leads to long-term industry relationships built on trust and predictability.

    Looking Ahead: Tackling Persistent Industry Questions With Hands-On Experience

    Not every question has a simple answer. Some clients ask about sourcing 1-Methylcyclopentanol with ultra-low trace metals for sensitive electronic or pharma applications. Our production process, based on metal-catalyzed hydrogenation routes, has evolved to accommodate such requests, blending purification with specialized filtration and plant materials upgrades. Each iteration brings new lessons; we’ve adjusted reactor surfaces, validated new resin types, and conducted joint evaluations with downstream formulators.

    Other users seek tighter documentation or a transparent supply chain. To address such concerns, we provide detailed analytical reports with every batch, open our doors for client audits, and document sourcing. Ongoing dialogue with users shapes how we present data, update Certificate of Analysis formatting, and improve packaging to better withstand transit and temperature stress. The finished 1-Methylcyclopentanol our clients receive today reflects years of iterative improvement rooted in practical, often hard-earned lessons from both successful and failed production runs.

    What Sets Direct Manufacturing Apart: Building Long-Term Confidence

    Our role as a primary producer isn’t just about making a molecule—it’s about owning every step, from receiving bulk feedstock deliveries to monitoring tank farm stability, training new engineers, and speaking candidly when a challenge needs a custom solution. We do not purchase pre-made intermediates or offload technical responsibility to outside parties. That means problems, when they arise, land on our desks and demand hands-on correction. The value in this approach shows—our repeat customers value the predictability that comes from a partner willing and able to discuss formulation tweaks, troubleshoot plant integration issues, and adapt quickly.

    As regulations, market needs, and application fields shift, this dynamic keeps us ready and able to extend new grades, packaging formats, or delivery schedules tailored to the realities our clients face. We don’t just watch trends from afar; we ride the ups and downs of changing raw material costs, shifting regulatory standards, and evolving application needs.

    Supporting Data and Analytical Practice

    Plant data drives every improvement we make. We routinely archive retention samples from every batch for post-market analysis and collaborate with third-party labs for periodic cross-checks of our own GC, HPLC, and FTIR readings. Our staff regularly participates in technical forums focused on improving cyclic alcohol quality, sharing anonymized process improvements and studying feedback trends across different markets. Materials science never stands still, and we keep our protocols current as new regulations and characterization methods appear.

    A special focus rests on managing trace impurity profiles, not just overall purity numbers. By identifying and quantifying specific by-products such as 1,2-cyclopentanediol or trace unsaturated compounds, we can intervene early—modifying reflux ratios, adjusting catalyst loadings, or swapping out aging distillation packings. These real-world actions, not theoretical recommendations, sustain the quality and reliability that our buyers come to expect.

    Direct Customer Support Rooted in Production Experience

    Day-to-day, our technical support comes from the people who run, maintain, and oversee the manufacturing plant. Armed with on-the-ground knowledge, we’re able to interpret customer questions—whether about residue limits, odor stability, or batch documentation—and provide answers rooted in the specifics of both our own production as well as current best industrial practice. Troubleshooting doesn’t happen in an office far removed from the plant. If a customer reports a discrepancy, our operators, chemists, and process engineers trace the concern through every step, from feed intake to finished packaging, ensuring any issue receives practical corrective action—not just an email reply.

    Requests for technical clarification, new grades, or even process tours are met with transparency and candor. Our production staff has nothing to conceal, and they share both the strengths and the realistic technical limits we see with 1-Methylcyclopentanol in manufacture. Our internal training programs keep every new hire up to date on both the theory and practice of producing this cyclic alcohol, so support stays competent no matter how the market or regulatory requirements develop over time.

    Our Commitment to Quality and Practical Improvement

    The heart of our operation centers not on sales targets or marketing shorthands, but on steady and practical improvement. Every production run tests the skill and flexibility of our team—no two days are ever quite alike. Tracking the runout from the reactors, monitoring distillate clarity, and documenting both successes and setbacks brings us a direct, honest sense of what works. With each ton of 1-Methylcyclopentanol dispatched, we carry forward the lessons learned—whether about minimizing dust ingress, streamlining quality checks, or optimizing drum filling lines.

    From our viewpoint as hands-on producers, we have seen 1-Methylcyclopentanol prove itself where it matters: in process stability, finished product reliability, and adaptability to a growing range of applications. This standing is built not on paper specifications, but on the collective experience of every operator, chemist, and engineer who has spent long hours perfecting its manufacture and supporting our partners in doing more with it. We look forward to bringing those insights to every new challenge the market brings.