|
HS Code |
135046 |
| Chemical Name | Dibasic Alcohol Series |
| Molecular Formula | CnH2n(OH)2 |
| Appearance | Colorless, viscous liquid or solid |
| Molecular Weight Range | 62–134 g/mol |
| Boiling Point Range | 197–288 °C |
| Melting Point Range | -10–70 °C |
| Solubility In Water | Miscible |
| Odor | Slight, characteristic alcohol odor |
| Density Range | 1.00–1.12 g/cm³ |
| Flash Point Range | 96–160 °C |
| Main Uses | Antifreeze, solvents, plasticizers, lubricants |
| Common Examples | Ethylene glycol, propylene glycol, butanediol |
| Refractive Index Range | 1.43–1.45 |
| Viscosity Range | 20–80 mPa·s |
| Stability | Stable under normal conditions |
As an accredited Dibasic Alcohol Series factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Dibasic Alcohol Series is packaged in 200 kg net weight galvanized iron drums or high-density polyethylene barrels, securely sealed. |
| Shipping | The Dibasic Alcohol Series is typically shipped in tightly sealed, corrosion-resistant drums or intermediate bulk containers to prevent contamination and moisture exposure. The containers are clearly labeled, and products are transported under ambient conditions unless specified otherwise, complying with relevant safety regulations for storage, handling, and environmental protection during transit. |
| Storage | Dibasic Alcohol Series chemicals should be stored in tightly sealed containers in a cool, dry, and well-ventilated area, away from heat sources and incompatible materials such as strong oxidizers. Ensure containers are clearly labeled to prevent accidental misuse. Protect from moisture, direct sunlight, and physical damage. Use secondary containment where applicable, and follow all safety guidelines and regulations for chemical storage. |
Competitive Dibasic Alcohol Series prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615365186327 or mail to sales3@ascent-chem.com.
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Tel: +8615365186327
Email: sales3@ascent-chem.com
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For many years, we’ve been at the forefront of manufacturing dibasic alcohols, watching closely as demands shift across industries like coatings, plastics, adhesives, and lubricants. Our hands-on perspective, shaped by years navigating each process, brings an appreciation of what makes this series different from single alcohols or other multifunctional molecules. The models in our series include a range of chain lengths—each offering unique properties, each responding differently to practical needs.
A dibasic alcohol contains two hydroxyl groups, one on each end of a carbon backbone. These materials rank high in versatility, serving as intermediates for polyester, polyurethanes, and a host of specialty products. Unlike traditional monohydric alcohols, the dibasic configuration means stronger reactivity toward forming polymers, and that jump in functionality enables manufacturers to tweak flexibility, impact resistance, or even water repellency in finished goods. In short, they do more, not just differently, but with a range that lets us target specific outcomes.
Looking down our production line, we know it’s not a one-size-fits-all approach. For the dibasic alcohol series, every model—such as 1,6-hexanediol, 1,5-pentanediol, or 1,4-butanediol—requires specialized conditions. Temperature, pressure, catalysts, feedstock; every stage shapes the purity and consistency our partners rely on. The way we design the process allows us to control attributes like color, hydroxyl value, and water content. Getting these right makes a difference, especially once our product enters the customer’s own operations.
Solid technical results rarely come by accident. For example, in manufacturing 1,6-hexanediol, we must tightly monitor hydrogenation steps, knowing full well that small shifts can lead to unwanted byproducts. That commitment to detail lets us deliver diols that eliminate downstream headaches for formulators—preventing foaming in polyurethanes or preserving viscosity in hydraulic fluids. It’s the difference between a product that “technically meets specification” and one that earns trust batch after batch.
People familiar with industrial chemistry will recognize these compounds by their practical names: building blocks. In day-to-day manufacturing, we see dibasic alcohols reach into numerous segments. Take coatings and resins: adding our 1,6-hexanediol usually stretches flexibility and improves hydrophobicity, giving coatings better durability outdoors. To chemists blending polyurethane foams, the same material helps cells close up, trapping gas, and boosting insulation.
In adhesives, chain length and reactivity matter. The shorter chains often enable faster curing, while their longer cousins introduce pliability and resilience. We know customers using 1,4-butanediol will see faster reactivity, making it suitable for quick-set adhesives or for soft, rubbery polymers. Others look for 1,5-pentanediol to lower volatility and raise surface smoothness in cosmetic or medical formulations, giving manufacturers more control over end uses.
We’ve seen the demand for these products spike as customers trend away from older phthalate plasticizers and move toward less toxic, bio-based or “greener” chemistry. Our facilities have transitioned in parallel, updating processes to tackle both traditional and renewable feedstocks. It’s clear that standards will only get stricter with time. Being ready now means fewer surprises after new rules hit.
Working on the production floor, our day revolves around precision—no one wants surprises, not us and definitely not our customers. Continuous analysis becomes second nature. We look at hydroxyl values because end-use properties depend on them: polyester manufacturers need consistent reactivity or downstream performance suffers. Our focus on color and odor comes from experience—off-odors ruin textiles, and yellowness shows up even in pigmented coatings.
Water content seems trivial until a plant gets a bad batch. If you ever saw foaming or incomplete curing in polyurethane systems, chances are uncontrolled water snuck in somewhere along the line. Hourly testing in our labs prevents this, giving confidence that each shipment maintains integrity, even under tighter customer specs.
Our team also watches trace byproducts like aldehydes and acids. These impurities, though often minor in concentration, can catalyze side reactions in high-end synthetic processes. Keeping them low helps our customers push process limits—whether it’s making a clear, tough polyurethane or blending a cosmetic emollient with no skin irritation reports.
There are hundreds of choices in polyols and monoalcohols. What encourages customers to keep coming back for dibasic alcohols is reliability in performance—properties translate across applications. Compared to monoalcohols, dibasic diols yield much greater polymer chain extension; the result is a tougher, longer-lived final material. In our years working with partners in automotive and electronics, dibasic diols let coatings weather salt spray, heat cycling, and mechanical abuse without cracking or yellowing.
Certain products in our series show lower volatility and greater hydrolysis resistance. This difference matters for situations such as wire coatings or electronics—applications where you can’t afford weakness from humidity or temperature swings. In textiles, the hydrophobic backbone helps fabrics shed water and stains, outperforming monoalcohol-derived esters in this respect.
If you ever toured a factory where cosmetic raw materials are processed, you’d see processors rely heavily on dibasic alcohols to help solubilize actives while reducing irritation. Their dual hydroxyl structure facilitates hydrogen bonding with both the skin and other formulation components, helping creams spread more uniformly. Monoalcohols or even ethylene glycols just don’t deliver that same tactile sensation.
Anyone who says dibasic alcohol manufacturing runs without a hitch hasn’t worked in it long. Even after decades, there’s always a balance: optimizing yield without hiking up purification costs, staying agile to fluctuating raw material pricing, and keeping the plant safe. Each production campaign means aligning process variables tightly, since shifts in feedstock purity or slight tweaks in catalyst concentrations cascade through to quality.
On one occasion, a supply chain disruption upstream caused a feedstock impurity spike. Rather than ship out product and hide the inconvenience, we held the batch and reran purification—delays create headaches, but bad batches destroy reputations. Real trust forms in moments like these.
Working with large, experienced buyers, we also share technical insight on how to troubleshoot downstream issues. Sometimes the answer isn’t changing the chemistry, but adjusting temperature ramps or filtration steps further down their lines. Customers get more from their materials when we work together, not just acting as a faceless supplier.
Quality sits at the heart of every conversation with our customers because so much rides downstream. Our team invests heavily in continuous monitoring—GC, HPLC, and wet chemistry labs run around the clock. Decades in manufacturing make it clear that investing in robust training and preventive maintenance pays back. If an operator spots a color change or a flux in distillation temperature, action comes swiftly before the batch moves out of spec.
For certain industries like automotive, “close enough” is never acceptable; imagine a brake fluid polymerizing incorrectly and you see why. Our legacy is built on preventing headaches before they arise, learning from every near-miss, and never leaning on minimum regulatory requirements as the target. Regular customer site visits and joint troubleshooting sessions form part of that cycle.
Market demands have shifted sharply, and we measure success now not just by meeting specs, but by helping customers respond to trends. Increased demand for low-volatile, cyclic-free diols reflects global moves toward safer, lower-emission products. Our approach focuses on minimizing low-boiling byproducts through careful distillation and using feedstocks with minimal odd-chain impurities. The end result: less rework, lower scrap rates, and a smaller regulatory burden.
Feedback from polymer manufacturers highlights that switching between different diol backbones often alters cure times, thermal resistance, and flexibility. The balance offered by dibasic alcohols makes them distinct from, say, glycerin or trimethylolpropane, thanks to the linear chain that imparts elasticity without brittleness. In medical devices, that extra toughness and stability against sterilization processes provides an edge that other polyol types can’t offer.
In our own experience, supplying to a foam manufacturer during a heatwave revealed why product stability matters. Elevated summer temperatures sometimes drive up residual monomer content unless cooling steps are robust. Recurrent monitoring and process tweaks during production solved the issue, sparing the customer costly downtime. Similar vigilance helps us keep color and odor in check for sensitive industries like cosmetics where even a faint scent can prevent approval for use.
Formulators working in paints and inks have pointed out the improved pigment wetting that comes with certain dibasic alcohol models. By adjusting chain length, we dial in the right polarity, unlocking greater color strength or gloss in demanding automotive finishes. Years of feedback confirm that consistent supply translates directly to manufacturing uptime, which customers value above almost all else.
Environmental responsibility has become more than a checklist item. Many of our products now stem from bio-based alcohols, delivering identical performance to their petrochemical counterparts. Our production team designed transition plans step by step, testing bio-sourced intermediates and verifying compatibility with established processes. The learning curve means understanding which catalysts or purification techniques need adaptation, not just assuming a drop-in substitution.
Our waste minimization efforts focus on repurposing side streams, not just by sending off-site for disposal but recapturing and reprocessing them to recover usable alcohols. Process heat gets recycled internally, cutting both emissions and costs. We’ve worked to reduce water usage in purification without compromising the dryness required for electronic and medical-grade products.
Audits from international buyers often ask what traceability steps we’ve put in place for sustainable sourcing. Our records track batches to raw material batches, not just for compliance, but for responding quickly when markets shift toward new regulatory frameworks. The drive toward transparency hasn’t slowed—it’s only accelerating.
We regularly collaborate with universities and private labs to explore novel uses, learning just as much from our partners as they do from us. In recent years, researchers have used our dibasic alcohols to push the envelope on biodegradable polyesters and specialty adhesives for medical implants. We lend technical support, sharing analytical results and customizing specifications so research doesn’t stall at scale-up.
Case studies show creative uses. In printed electronics, our materials act as carriers for conductive inks, delivering uniformity and adhesion in demanding roll-to-roll processes. The stability offered by our diols brings less clogging, greater shelf life, and fewer recalls down the line. For waterborne coatings, new grades tailored for reduced VOC have helped customers gain regulatory approval in tightly governed markets.
The market for dibasic alcohols continues to evolve—faster now than ever before. Supply chain shocks, regulatory changes, and shifting customer expectations all demand agility and openness. Having weathered commodity price swings, trade disputes, and rapid upturns in demand, we learned the value of redundancy and close customer relationships. People want answers, not just products.
From our experience, regular dialogue with end users uncovers issues before they escalate—small shifts in viscosity, unexpected reactivity, or evolving purity needs. We don’t just listen but respond, tweaking process parameters or rerouting shipments to prevent production halts. In technical sales calls, we’ve seen customers propose custom blends or unique purification profiles. Our team works cross-functionally, aligning R&D, production, and customer support to respond rapidly.
Having seen countless applications over decades, it’s clear that choosing the right grade and model from the dibasic alcohol series makes a difference few realize until they face a process hiccup. The wrong purity or water content can cause a year’s worth of headache—gelled pipes, slow cure, or off-color batches. Experience means the difference between shipping a commodity and supplying a precisely engineered ingredient.
We thrive on detailed feedback—specific failures or unexpected wins from the field. Every conversation circulates through our team. Nobody understands more about the stakes involved than those who spend every day driving improvement, batch after batch. Across adhesives, resins, and specialty polymers, these differences add up to better reliability, smoother launches, and greater credibility for every customer who trusts us with their supply.
From a manufacturing standpoint, the dibasic alcohol series delivers tangible benefits beyond what the data sheet can show—real-world consistency, adaptability, and support that only comes from years at the source. We’ve spent decades solving technical setbacks, sharing what works, and building a product line shaped by feedback as much as chemistry.
Dibasic alcohols stand out not just from what’s in the drum, but from the dedication behind it. Each model offers a proven path to better polymers, coatings, and adhesives, grounded in experience no distributor or reseller can replicate. When innovation and reliability matter most, we stand ready—as manufacturers, not just as suppliers.