1,2-Hexanediol

    • Product Name: 1,2-Hexanediol
    • Alias: Hexylene Glycol
    • Einecs: 214-137-7
    • Mininmum Order: 1 g
    • Factroy Site: Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry: admin@ascent-chem.com
    • Manufacturer: Ascent Petrochem Holdings Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    256760

    Cas Number 6920-22-5
    Molecular Formula C6H14O2
    Molecular Weight 118.17 g/mol
    Appearance Colorless liquid
    Odor Mild, characteristic odor
    Melting Point -50°C
    Boiling Point 224°C
    Density 0.96 g/cm³ at 25°C
    Solubility In Water Miscible
    Flash Point 110°C (closed cup)
    Refractive Index 1.448 at 20°C
    Viscosity 50 mPa·s at 25°C

    As an accredited 1,2-Hexanediol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 1,2-Hexanediol is packaged in a 500 mL amber glass bottle with a secure screw cap, labeled with hazard warnings.
    Shipping **1,2-Hexanediol** is shipped in tightly sealed, corrosion-resistant containers, typically drums or bottles, to prevent leaks and contamination. It should be stored in a cool, dry, well-ventilated area away from incompatible substances. During transport, proper labeling and documentation in accordance with regulations ensure safe handling and delivery.
    Storage 1,2-Hexanediol should be stored in a tightly sealed container in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizers. Keep it out of direct sunlight and sources of ignition. Store at room temperature and avoid moisture contamination. Properly label the container and ensure it is protected from physical damage to prevent leaks or spills.
    Application of 1,2-Hexanediol

    Applications of 1,2-Hexanediol in Industrial Manufacturing

    We supply 1,2-Hexanediol for use in carefully defined industrial sectors, delivering consistent quality and verified performance. Below, find detailed application notes based on actual downstream practices from formulation through production within each segment.

    1. Preservative in Cosmetic and Personal Care Manufacturing

    Cosmetic manufacturers leverage 1,2-Hexanediol as a multifunctional ingredient, particularly for antimicrobial preservation and hydration enhancement in water-based formulations. Its utility extends to rinse-off and leave-on products, where it inhibits microbial growth without sensitizing the skin. Production facilities implement this raw material during post-emulsification cooling, allowing precise dispersal in both high-viscosity creams and low-viscosity lotions. The final concentration depends on target microbiological challenge testing and compatibility with other ingredients.

    Industry compliance standards

    • EU Cosmetic Regulation (EC) No. 1223/2009
    • US FDA 21 CFR Part 700 (Cosmetics)
    • Japanese Standards for Cosmetics
    • ISO 22716:2007 (Cosmetic GMP)

    Typical usage ratio

    • 0.5% to 2.0% w/w, adjusted based on efficacy validation in specific formulations and regulatory guidance

    Downstream process integration

    • Added during batch cooling stage after emulsification, followed by thorough mixing to ensure even distribution; frequently used with low-level auxiliary preservatives

    Final product types

    • Facial moisturizers
    • Sunscreens
    • Makeup removers
    • Baby lotions
    • Wipes and cleansing pads

    2. Solvent and Humectant for Waterborne Polymer Dispersions

    Producers of polymer dispersions for adhesives and coatings select 1,2-Hexanediol to aid in pigment dispersion, modulate viscosity, and boost open time in water-based systems. Its hygroscopic nature maintains product stability during storage and extends shelf life without yellowing issues. The raw material enters production at the post-neutralization step, directly in the blending tanks, following latex emulsion formation. Technicians adjust input concentration based on end-use viscosity and drying speed targets.

    Industry compliance standards

    • REACH Regulation (EC) 1907/2006
    • ASTM D2354 (Standard Test Method for Minimum Film Formation Temperature of Emulsion Vehicles)
    • ISO 9001:2015 Quality Management Systems (for production process)

    Typical usage ratio

    • 1.0% to 5.0% w/w, tailored depending on required open time and storage stability assessments

    Downstream process integration

    • Incorporated after polymerization, post-neutralization, and before final viscosity adjustment; mixing occurs under agitation at controlled temperatures to prevent phase separation

    Final product types

    • Waterborne pressure sensitive adhesives
    • Low-VOC architectural paints
    • Nonwoven lamination binders
    • Overprint varnishes

    3. Stabilizer and Wetting Agent in Agricultural Formulations

    Agrochemical formulators use 1,2-Hexanediol as a wetting agent, stabilizer, and co-solvent in concentrated liquid pesticide and fungicide suspensions. Its function includes enhancing the miscibility of active ingredients and maintaining formulation homogeneity over varied temperatures. Addition occurs during the preparation of the aqueous vehicle, contributing to shelf stability and reliable spray application. The dosage level is set in accordance with performance in suspension stability and regulatory limits for auxiliary materials in agrochemicals.

    Industry compliance standards

    • FAO/WHO Specifications for Pesticide Formulations
    • Chinese GB/T 19001-2016/ISO 9001:2015 (Agrochemical manufacturing)
    • EPA 40 CFR Part 180 (Tolerances for pesticide chemicals in food)

    Typical usage ratio

    • 0.5% to 3.0% w/w, as determined by active compound compatibility and target shelf-life

    Downstream process integration

    • Added in the aqueous phase during dispersant pre-mix, prior to incorporation of solid actives; sometimes dosed in two steps for challenging actives and micronized suspensions

    Final product types

    • SC (Suspension Concentrate) crop protection products
    • EC (Emulsifiable Concentrate) formulations
    • Fungicide combination concentrates

    4. Intermediate for Synthesis of Specialty Plasticizers

    Specialty plasticizer manufacturers employ 1,2-Hexanediol as a building block in esterification reactions with dicarboxylic acids such as adipic and azelaic acids. The resulting esters exhibit low volatility and good compatibility with nitrocellulose, polyvinyl chloride, and polyurethanes. The diol is charged to esterification reactors under inert atmosphere, where controlled temperature and catalyst input enable high-purity end products. Selection of input ratios derives from targeted plasticizer flexibility parameters and heat stability in downstream compounding.

    Industry compliance standards

    • EU Regulation (EC) No. 10/2011 on plastic materials and articles intended to come into contact with food
    • FDA 21 CFR 175.300 (Resinous and polymeric coatings)
    • ISO 14001:2015 (Environmental Management Systems for chemical synthesis sites)

    Typical usage ratio

    • Molar equivalents adjusted to match dicarboxylic acid based on the targeted polymer matrix; typically 1.0:1.0 to 1.1:1.0 (diol:acid)

    Downstream process integration

    • Reacted in batch or continuous esterification unit, introduced as a core monomer; removal of water during the reaction ensures high conversion to diester in final product

    Final product types

    • Flexible PVC films for food packaging
    • Low-migration plasticizers for coated fabrics
    • Heat-resistant plasticizers for printing inks

    5. Reactant in Synthesis of Polyurethane Prepolymers

    Polyurethane systems integrators utilize 1,2-Hexanediol as a reactive chain extender in prepolymer formation, affecting polymer flexibility, hydrophilicity, and processing characteristics. It enters formulations for waterborne polyurethanes, specialty elastomers, and polyurethane dispersions. Strict process controls during addition—usually post-prepolymer formation and pre-chain extension—allow precise adjustment of molecular weight and branching. Usage concentration adapts based on NCO:OH index calculations derived from performance targets such as abrasion resistance or elasticity.

    Industry compliance standards

    • ISO 9001:2015 (Certified PU manufacturing processes)
    • REACH (EC) Regulation No. 1907/2006 for chemical intermediates
    • OEKO-TEX® Standard 100 (Textile applications)

    Typical usage ratio

    • 5% to 20% of total polyol content by weight; the precise amount varies with required polymer properties and prepolymer NCO/OH ratio

    Downstream process integration

    • Charged into prepolymer reactors immediately after polyol addition; chain extension occurs under dry nitrogen atmosphere, monitored for controlled exotherm and molecular weight distribution

    Final product types

    • Waterborne polyurethane coatings for synthetic leather
    • Medical-grade polyurethane elastomers
    • Flexible foam for automotive and furniture applications

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    Certification & Compliance
    More Introduction

    1,2-Hexanediol: Consistency, Performance, and Our Focus on Purity

    Crafting 1,2-Hexanediol From the Ground Up

    Every batch of 1,2-Hexanediol that leaves our plant reflects a commitment we’ve held since our first production run nearly two decades back: quality that you can trust because we see it through every step ourselves. More than a specialty chemical, 1,2-Hexanediol stands as a benchmark for what it means to deliver reliability with every drum. From our engineers overseeing raw material feeds to technicians scrutinizing every reactor’s temperature and pressure, our hands shape the outcome instead of leaving it to chance.

    We select pharmaceutical-grade starting materials. The process relies on precise hydrogenation methods, branching from secure precedents in chemical engineering. Results let us regularly reach purity levels exceeding 99.5 percent, measured directly in-house—not outsourced—through gas chromatography and advanced spectroscopic techniques. With batch consistency, our clients avoid surprises. Clarity, mild odor, and consistent viscosity testify to this approach: nothing leaves our tankers until it is right, not just close enough.

    Broad Uses, Deep Value

    Our customers span several industries, but most notably, the cosmetics and personal care sectors use our 1,2-Hexanediol for its excellent humectant properties and as a dependable antimicrobial solvent. Multinationals and family-owned labs alike return to us for product safety, regulatory traceability, and results in formulation. Creams, emulsions, serums, wet wipes, sunscreens—our diol stabilizes these products, brings out texture, soothes mixtures prone to separation, and keeps harmful microbes at bay better than many shorter-chain analogs.

    Technical buyers and process formulators care about origin. Our 1,2-Hexanediol’s low toxicity and proven dermatological profile have opened up waterless formulations and mild skin-contact products. Field feedback tells us finished goods maintain clear, lump-free appearances, and product recalls due to microbiological spoilage drop lower when working with our supply chain.

    Specifications That Matter in the Real World

    Years of running pilot and full-scale reactors taught us where theory meets the unpredictable. Laboratory numbers look good on paper, but downstream filling lines, high-shear mixers, and long-term warehouse storage demand extra diligence. We keep water content tightly managed, below 0.1 percent, reducing the risk of hydrolysis. Heavy metals and aldehydes, common pitfalls with rushed or outsourced processes, stay well under established international thresholds because our team tracks catalysts every step of the way.

    Odor is measured with trained sensory teams. Purity is confirmed with HPLC as well as in-line monitoring. The slight, neutral aroma and lack of discoloration serve as first indications to our clients that every batch undergoes a complete QC battery. Viscosity stays within a predictable range to facilitate automated dosing systems. These are the practical details that matter to operators and formulators—not just certificates for filing, but real-world performance validated in our own lines before shipping out.

    Seeing the Differences: 1,2-Hexanediol Compared to Other Glycols and Diols

    Our daily conversations with formulation chemists reveal that not all diols offer the same performance in every scenario. 1,2-Hexanediol distinguishes itself from common options like propylene glycol, pentylene glycol, and 1,3-butanediol in both molecular structure and behavioral nuances. The C6 backbone delivers an ideal balance between water solubility and emolliency. This gives finished formulations a richer spreadability compared to shorter diols—which draw moisture but sometimes leave products with a heavy or sticky residue.

    Manufacturers working on antimicrobial efficacy tests often report better performance with 1,2-Hexanediol than with propylene glycol alone. That means less reliance on harsher preservatives, a real win in today’s ingredient-conscious consumer landscape. Unlike longer-chain glycols, our product easily integrates into both oil-in-water and water-in-oil systems, reducing compatibility headaches and excessive reformulation work.

    Some add 1,2-hexanediol on top of their existing preservative system to boost safety margins. Others use it as a sole, multifunctional ingredient, allowing for “preservative-free” labels while still passing strict challenge tests. That flexibility rarely comes from other similar ingredients.

    Worker Safety and Environmental Responsibility

    Operating a chemical plant comes with responsibility. Our focus on safe working environments shows up in routine monitoring of reaction byproducts and in continuous training programs for our crew. Regular audits, both internal and third-party, keep our waste streams and emissions in check. By recapturing process water and maximizing closed-loop systems, we limit environmental impact and uphold the trust of our neighbors—many of whom have family working inside our gates.

    Our 1,2-Hexanediol carries a clean environmental record. Biodegradability and low bioaccumulation mean our clients can build greener formulations. Regulatory teams at multinational clients regularly benchmark our product against standards set by international agencies, but we never wait for outside orders: if new science emerges showing potential risks, our response is always immediate, not reactive. That’s how you avoid bad surprises before they can ever become a news headline.

    Listening to Customers, Improving the Process

    Every application is a little different, and our technical support team draws on years in the plant plus newer research partnerships to advise customers. Tweaks in reaction conditions or downstream process equipment can change the subtle qualities of the product. Small changes in catalyst or purification steps—made only after process trials and hands-on testing—let us tune the sensory profile or the overall purity.

    We do regular site visits to customer plants to see tanks, mixers, and fill lines first-hand. This boots-on-the-ground approach found, for example, that some clients need tighter control on residual solvent to match low-odor claims. Others ran into issues with packaging material compatibility, which led to us changing our packaging offering and shipping formats. Lessons like these don’t come from theory—they result from day-to-day conversations and getting one’s boots muddy on customer shop floors.

    Quality Control That Matches Real Usage

    An in-house analytics team runs constant tests on final product. Automated sample robots collect product from various points in the line, and testing at every stage reduces variability. We set up stress testing that not only follows the book but gets products exposed to shipping, temperature shifts, and long-term storage far harsher than customers ever see. Batches that show even small deviations from odor, viscosity, or purity norms don’t make it out the gate.

    We track every shipment with complete lot traceability. If a client gives feedback months later—positive or negative—we can pull the lab records, reactor logbooks, and operator notes for that precise drum or tote. Full transparency means that any question, from a regulatory body or a cosmetic chemist, gets answered with hard data, not marketing slogans or promotional materials.

    Meeting Global Demands With Scalability and Flexibility

    Scaling up production to meet global demand brought new challenges. The learning curve for moving from pilot-scale to full plant runs required better process automation, tighter raw material sourcing, and more robust downstream distillation. Distribution logistics across continents introduced temperature swings that some other suppliers overlooked, causing color or odor drift that clients flagged only after receiving product. We responded by adjusting not just internal controls but also by screening shipping methods and training warehouse teams down the supply chain.

    Global brands rely on verification at every stage, so audits from major clients are standard. Each year, our plant hosts ingredient specialists from North America, Europe, and Asia. Their feedback led directly to process tweaks: better tank passivation, a switch from certain plastics to stainless steel in loadout, software patches to our batch reporting. Quality doesn’t stand still—neither does the trust placed in us, so the plant keeps adapting.

    Regulatory Compliance and Respect for Science

    Chemical manufacturing means playing by many rulebooks: REACH, K-REACH, FDA, Ecocert and others lay clear ground rules. We subject each run to review, keep up-to-date on changing import requirements, and provide full regulatory support to clients entering local or global markets. Our technical documentation undergoes annual external audits, so claims about purity, absence of residual catalysts or allergens, and toxicological safety don’t rest on assumptions.

    Our experience has taught us that compliance isn’t just satisfying paperwork. Done well, it backs up every claim. A detailed material safety data sheet, supplied straight from our production team, tracks exactly what’s in each shipment. And regular engagement with research partners lets us adapt formulations as customer needs shift—sometimes driven by new regional labeling requirements, sometimes because new science reveals consumer concerns about skin sensitivity or long-term exposure. Our in-house toxicologists are always in the loop, so data flows quickly from bench to batch to shipping dock.

    Resolving Issues in Manufacturing and Application

    Like any industrial process, producing 1,2-Hexanediol isn’t always smooth. Years ago, a surge in demand threatened available capacity. Instead of cutting corners or stretching maintenance cycles, management scheduled added shifts and brought in additional centrifugation equipment. Some weeks the difference between holding a client’s trust or letting them down hinged on spare gasket inventory or quick response from a valve supplier.

    Downstream, clients new to 1,2-Hexanediol occasionally face issues such as haze in clear mixtures or challenges with pumpability at lower temperatures. Regular technical-site follow-ups and open lines of communication yield solutions. Depending on feedback, adjusting water content or filtration grades often does the trick. We encourage new users to start with our sample kits, analyze in their own labs, and share feedback to guide our ongoing improvements.

    Why Our Approach to 1,2-Hexanediol Matters More Than a Spec Sheet

    Trust in a chemical supplier grows from evidence—actual results, not promises. Whether it’s a small order for a new natural cosmetic line or bulk supply to a long-standing industrial client, the team brings hands-on experience and immediate problem-solving to the table. Our presence through every step, from raw material vetting to customer aftercare, keeps us grounded in what real users experience outside of textbooks and promotional pieces.

    Our scale means we can offer secure supply chains in an uncertain world. But it’s the faces behind the plant gates—technicians, engineers, quality managers, and admin staff—who give meaning to every barrel of 1,2-Hexanediol shipped. Their work keeps standards high and lets our clients stay competitive with both regulatory and consumer-driven product landscapes. Our batch records are open for customer view, our technical advisors handle tough questions directly, and new investments go back into process improvement rather than flash on business cards.

    Responsibility to End Users and the Market

    Seeing the end consumer in every decision—whether they happen to be a parent using baby wipes or a chemist looking for next-generation sunscreen—reminds our team that our work outlasts the manufacturing shift. We know that the tiniest oversight could cascade into wider product issues, consumer complaints, or even health concerns. For this reason, both major revisions and small tweaks go through layers of internal validation and field feedback loops.

    Our R&D and customer support teams keep listening and learning, feeding new findings back into operating procedures and plant investments. The aim is not just meeting current demand, but anticipating needs. We’re already studying bio-based production routes and alternate feedstock sources for even lower environmental impact, with early pilot successes showing promise. Clients trust us with their formulations because we invest both in the chemistry and the human side of relationships: scientific rigor paired with honesty about both strengths and occasional setbacks.

    Looking Ahead: Innovation and Adaptability Keep Us Relevant

    Markets move fast, regulations change, and consumer expectations set new bars every year. Keeping 1,2-Hexanediol at the forefront of ingredient choice means not just repeating the past, but learning from it. Analytical capabilities are upgraded frequently. A new wing of the plant focuses on alternative, more sustainable synthesis routes. Feedback from long-term partners finds its way into regular strategy meetings, so decisions reflect not just what’s possible on paper but what delivers value through the supply chain.

    Clients want more than a product; they want responsiveness, support, and results. Our entire organization orients around that. Confirming the integrity of every drum shipped and sharpening each technical answer becomes second nature. Staying hands-on with new research, linked closely to regulatory and product safety experts, keeps us ahead of market trends and potential risks. Resilience and adaptability shape our day-to-day—that’s how we keep 1,2-Hexanediol relevant not just today, but tomorrow as well.

    Contact Our Team – Where Experience Meets Chemistry

    If you have a specific challenge related to application, regulatory compliance, production scale-up, or simply want to see for yourself what consistency in every barrel looks like, reach out. Speak with a process engineer or a chemist with real-world plant and formulation experience, not a remote sales rep. See what a difference transparency, technical competence, and mutual respect can make to your business. At our facilities, the story of 1,2-Hexanediol is still being written—every batch, every feedback form, and every honest conversation continues to shape both our product and the trust behind it.

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