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HS Code |
986995 |
| Chemical Name | Propylene Glycol |
| Cas Number | 57-55-6 |
| Molecular Formula | C3H8O2 |
| Molecular Weight | 76.09 g/mol |
| Appearance | Colorless, odorless, viscous liquid |
| Purity | Typically ≥ 99.5% |
| Boiling Point | 188.2°C |
| Freezing Point | -59°C |
| Density | 1.036 g/cm3 at 20°C |
| Solubility In Water | Miscible |
| Viscosity | 58.1 mPa·s at 20°C |
| Flash Point | 104°C (closed cup) |
| Refractive Index | 1.4318 at 20°C |
As an accredited LyondellBasell PG Propylene Glycol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | LyondellBasell PG Propylene Glycol is packaged in a 215 kg blue steel drum, labeled with product details and safety information. |
| Shipping | LyondellBasell PG Propylene Glycol is shipped in bulk tank trucks, railcars, drums, or intermediate bulk containers (IBCs), adhering to strict safety and regulatory standards. Proper labeling, documentation, and secure packaging are ensured to prevent leakage or contamination during transit. Temperature control and handling guidelines are followed as required. |
| Storage | LyondellBasell PG Propylene Glycol should be stored in tightly sealed, corrosion-resistant containers, away from heat, sparks, open flames, and direct sunlight. Store in a cool, dry, well-ventilated area to prevent moisture absorption and contamination. Avoid contact with strong oxidizing agents. Maintain proper labelling and ensure secondary containment to prevent leaks or spills. Follow local regulations and safety guidelines for storage. |
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Purity 99.5%: LyondellBasell PG Propylene Glycol with 99.5% purity is used in pharmaceutical formulations, where it ensures consistent solubility and safety for active ingredients. Viscosity 40-60 cP: LyondellBasell PG Propylene Glycol in the 40-60 cP viscosity range is used in heat transfer fluids, where it provides enhanced thermal stability and efficient energy transfer. Stability temperature up to 150°C: LyondellBasell PG Propylene Glycol with stability temperature up to 150°C is used in de-icing solutions, where it maintains performance in extreme cold without degradation. Molecular weight 76.1 g/mol: LyondellBasell PG Propylene Glycol with molecular weight of 76.1 g/mol is used in personal care emulsions, where it improves emolliency and product consistency. Low moisture content <0.1%: LyondellBasell PG Propylene Glycol with low moisture content under 0.1% is used in electronic coolant systems, where it minimizes risk of corrosion and electrical failure. Melting point -59°C: LyondellBasell PG Propylene Glycol with a melting point of -59°C is used in cryogenic preservation applications, where it prevents freezing and maintains biological sample integrity. Color APHA <10: LyondellBasell PG Propylene Glycol with APHA color <10 is used in food additive applications, where it ensures clear appearance and product purity. Specific gravity 1.035: LyondellBasell PG Propylene Glycol with specific gravity of 1.035 is used in hydraulic fluids, where it supports optimal flow properties and system efficiency. |
Competitive LyondellBasell PG Propylene Glycol prices that fit your budget—flexible terms and customized quotes for every order.
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We've been producing propylene glycol for decades, and every batch that leaves our plant reflects the value placed on consistency and reliability. The LyondellBasell PG Propylene Glycol range serves a broad mix of industries, from pharmaceuticals to food and beverage, flavors and fragrances to industrial cooling and heat transfer. What sets our grade apart is not just the purity level, but the accumulated operational expertise at each stage: from raw material selection to purification, all shaped by lessons learned running these units at scale, every day, for years.
In our experience, propylene glycol’s true strengths show up where high purity and material compatibility are not optional. For example, food and pharmaceutical processors demand far more than regulatory boxes ticked; the output depends on trust in every drum. Our production systems hold consistently low water content and negligible residual reactants, because side-reactions don’t just affect performance, they can change the finished product and cause equipment issues for customers downstream.
The technical grade PG (Mono Propylene Glycol, often named PG Industrial Grade), which we ship in both bulk and drum, comes off the reactor with a purity that consistently exceeds industry minimums. Each batch passes direct hands-on inspection. Most end users—whether compounding resins, producing heat transfer fluids, or using glycols in de-icing—tell us our PG integrates smoothly without reacting with system components or promoting color changes. This matters in industrial settings, where false alarms or unplanned shutdowns from unexpected byproducts hurt operations and margins.
For specialty chemical makers, we take every order personally and always talk through “invisible” contaminants. It’s easy to dismiss minor variations in taste, odor, or water content as trivial, but not for those working in food, beverage, or pharma supply chains. We test for trace levels of key impurities like iron, unsaturated alcohols, acetals, and ethers. Customers who switch to our product after struggling with haze, off-tastes, or resin gelling regularly tell us those problems clear up.
Working with propylene glycol in a chemical plant brings home differences that paper data sheets never reveal. For example, aggressive chillers and high-surface-to-volume process loops sometimes expose trace reactivity or inclusions in supposedly similar PG products. A glycol blend with inconsistent water levels or unstable acidity can shorten equipment life or erode gaskets well before lab wear testing uncovers it.
Over the years, our team has stepped in on site at food packing lines and paint processing plants facing unexplained foam or haze. Each time, we pull ferm drum samples line-by-line, and it is almost always a question of glycol source. The technical grade PG we manufacture passes strict scrutiny for haze, color, and residue by experienced operators, not just automated sensors. It doesn’t take long for a plant to see lower cleaning times and fewer batch rejects.
Consistency counts. Chemical engineers know the headaches from sourcing glycols “meeting the spec” on paper yet performing unpredictably in tank farms or mixing rooms. Temperature swings, storage durations, or container contamination can cause problems in propylene glycol that might seem trivial, but these details become very visible only at scale.
We never rely on generic quality assurance. Rather, continuous improvement has anchored our business: decades of maintenance logs and feedback loops from end use show exactly where small lapses turn into big headaches—emulsion instability, fouling, corrosion points, and batch toxicity. That’s why every run of LyondellBasell PG gets hands-on technical review by operators who have run pumps and cleaned tanks themselves.
In practice, most customers request our regular Technical Grade, sometimes referred to in commodity trading as PG Industrial, for antifreeze, heat transfer media, and general manufacturing applications. We produce Food Grade PG (USP/E1520 standards) for food, beverage, and pharmaceutical use. This grade is monitored for low flavor impact, inertness, and compliance with FDA and European Food Safety Authority requirements.
Unlike generic PG from traders or brokers, we back up the quality behind each variant with direct batch traceability—not just a generic COA printout. Regulatory compliance, including Kosher/Halal and allergen-free certification, is managed hands-on; we have sightlines from the propylene feedstock through to packaged drums. Nobody expects a glycol product to ever create problems at the packing or filling stage, but it’s happened—subtle migration or cross-contamination from early in the supply chain can cause major product loss, recalls, or even harm. Our production roots let us guarantee that what ends up in the tank or drum is exactly what was expected.
Much of the experience we have built up comes from troubleshooting. For instance, a customer in the electronics sector found popping failures in molded parts after a switch to an alternative source. After a full audit, it became clear that micro-level peroxides (well below the stated spec on their old supplier’s COA) were reacting with trace catalysts, leading to high reject rates. When replacing this with PG from our plant, rejects fell measurably.
In paints and resins, another case stands out: foam and low-color retention appeared only under certain storage conditions, with glycol from a third-party trader. Independent third-party testing revealed small differences in diol impurity buildup—a result of variable process control. Once switched over to our consistent supply, stability returned.
Food grade end users have always pushed for “traceless” performance—the PG should never change mouthfeel, color, odor, or microbial resistance no matter the application. The proactive batch controls at the manufacturing level explain why returns or complaints remain exceptionally rare across thousands of bulk MTs each year.
Feedback taught us that not all PG is equal—even if every test report ticks the typical box. While industrial applications may appear less demanding, product recalls or equipment downtime show that small “off-spec” events can multiply costs quickly. We steer heat transfer and antifreeze users to our Technical Grade, which hits the industry mark for thermal stability, corrosion resistance, and quick dilution behavior in batch-mixing. For API, topical, or food/beverage downstream, the USP/E1520 (Food Grade) offers enhanced safety, flavor neutrality, and compliance traceability.
Our support team and technicians follow up on order delivery, not just lab outcome, because often storage tanks or blending vessels show up slight haze, microseparation, or stringing—until customers switch back to our glycol. Several industry partners who have trialed “equivalent” products to reduce costs ended up returning after issues crept in, affecting downstream filling or post-processing.
Large end-users sometimes underestimate how aggregation and repackaging can degrade glycol, especially in markets served by resellers or blend houses. We learned through years of aftersales service that drum-to-drum consistency flags the difference between single-source-manufacturer glycol and a blend from multiple origins. Totes repackaged at a local depot might look identical to bulk direct-from-factory loads, but filters, hoses, and external tankers often introduce tiny particles, contaminants, or simply humidity. That’s why every outbound shipment from our site follows a closed loop and strict cap management.
Different glycol producers use different feedstock and catalysts. Purification steps and wash protocols aren’t always consistent. We maintain tight controls on acetone, acetaldehyde, heavy metals, and color, which stem from primary production and not just final filtration. These points rarely show up in spec sheets but consistently affect outcomes at the user’s plant.
The traceability built into our flow means that, if a question arises about any shipment—months or years down the line—we pull all on-site samples and verify at once. Traders and distributors rarely offer this window into the production and storage process, because they never see the internal controls at each stage.
Over the years, our lines have delivered orders to some of the world’s largest adhesive formulators, paint manufacturers, flavor houses, and pharmaceutical plants. The feedback loop is not just a tickbox; it’s built into our product development. Plant operators know us by name, they call the engineers who maintain the units, and they rely on advice when new processing equipment or recipes come online.
We don’t just send product and close out the purchase order. Customers get samples, technical support, and troubleshooting based on hands-on experience—not a manual or forwarded FAQ. If shifts in plant conditions or regulatory changes cause new requirements, we discuss feasible adjustments at the manufacturing level before product leaves our facility.
Engineers and buyers who want worry-free glycol sourcing frequently return after trials with alternative brands cause unexpected headaches. Whether it’s a subtle color drift, high viscosity due to trace water uptake, or complaints from fill line workers about slip, we’ve seen most issues first-hand. The advantage lies in catching and addressing these problems before they get as far as the customer.
It’s no secret the chemical sector faces increased pressure to balance efficiency with environmental performance. Our site teams constantly review emissions, waste water, and raw material efficiency. PG production emits far fewer volatile organics than traditional ethylene glycol, making it a better choice from a sustainability perspective, especially for open-loop cooling or food chain exposure.
Our labs run full environmental fate testing to support customers managing regulatory updates worldwide. We guarantee product leaving the plant meets current US, EU, and many Asia-Pacific regulatory standards. Audits and certifications aren’t just annual box-ticking; we trace every change in source material and refining step to keep ahead of compliance issues, ensuring customers never face a surprise.
It’s tempting to think all mono propylene glycol is interchangeable, but genuine differences appear with time. For example, ethylene glycol provides similar antifreeze protection but brings higher toxicity and greater regulatory scrutiny. In pharmaceutical or food contact applications, propylene glycol’s lower toxicity profile, and our verified supply chain, provide real safety benefits. Comparing producer-direct deliveries to re-bottled or relabeled drums often reveals surface haze, residue, and inconsistent flavor transfer over multiple batches. Some smaller competitors cut purity corners—there’s no substitute for a full-integrated plant’s process controls.
Over years in the business, we’ve come across cases where customers needed to rapidly switch away from another glycol after failing migration or extractables testing. Our food and pharma lines run with the same quality focus as our industrial lines, yet each obeys its specialized cleaning, monitoring, and record-keeping routines for traceability and recall potential.
Customers rely on seamless integration into existing operations, not only on spec compliance. Paint blenders, heat transfer engineers, and product safety teams buy from us because past experience showed where “on-spec” can still mean lost batches or maintenance headaches. Many long-term clients cite our technical assistance and the visible difference between fresh factory-packed PG and totes that bounced between transload terminals. We send bulk ISO tankers and drums under full documentation, every shipment verified for key performance indicators with storage times provided.
Color, clarity, flavor, and process stability emerge over time as the real evidence of quality. Customers supply us with samples of critical applications and we support onsite process improvement when needed, no matter the batch size. Our QA team traces any lot in real-time if concerns arise, providing real support, far beyond what typical traders or brokers would.
Years inside a chemical facility teach the value of every step—feedstock, catalyst, reaction, handling, and tracing through the plant until shipping. Our commitment stems from seeing the impact that “invisible” features—trace contaminants, improperly sealed drums, poor record-keeping—can have. Real expertise means more than just meeting the code. It demands putting ourselves in the shoes of the next operator downstream, knowing our propylene glycol ends up in everything from contact lenses to coolant systems to packaged foods. The difference between commodity and trusted glycol only shows up after real-world use. That’s where our legacy, and our attention to detail, speak loudest.