|
HS Code |
354047 |
| Chemical Name | Propionic Acid |
| Cas Number | 79-09-4 |
| Molecular Formula | C3H6O2 |
| Molecular Weight | 74.08 g/mol |
| Appearance | Colorless liquid |
| Odor | Pungent, acrid odor |
| Purity | ≥99% (Industrial Grade) |
| Boiling Point | 141°C |
| Melting Point | -21°C |
| Density | 0.993 g/cm³ at 20°C |
| Solubility In Water | Miscible |
| Flash Point | 54°C (closed cup) |
| Ph | 2.5 (1% solution) |
| Vapor Pressure | 4 mmHg at 20°C |
As an accredited Industrial Grade Propionic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Industrial Grade Propionic Acid is packaged in 200-liter blue HDPE drums, securely sealed, with clear hazard labels and product identification. |
| Container Loading (20′ FCL) | 20′ FCL container loads approximately 16 metric tons of Industrial Grade Propionic Acid, securely packed in 160 steel drums (200kg each). |
| Shipping | Industrial Grade Propionic Acid is typically shipped in tightly sealed, corrosion-resistant containers such as drums or IBC totes. Transport must comply with hazardous material regulations, ensuring proper labeling and documentation. It should be stored and shipped upright in well-ventilated areas, away from incompatible substances, sources of ignition, and direct sunlight. |
| Storage | Industrial Grade Propionic Acid should be stored in a cool, well-ventilated area away from heat sources, direct sunlight, and incompatible materials such as strong oxidizers and bases. Containers must be tightly sealed, corrosion-resistant (preferably stainless steel or HDPE), and clearly labeled. Adequate spill containment and fire protection measures should be in place, as propionic acid is flammable and can emit irritating fumes. |
| Shelf Life | Industrial Grade Propionic Acid typically has a shelf life of two years when stored in tightly sealed containers under cool, dry conditions. |
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Purity 99.5%: Industrial Grade Propionic Acid with purity 99.5% is used in food preservative formulations, where it inhibits mold and bacterial growth for extended shelf life. Stability Temperature 120°C: Industrial Grade Propionic Acid with stability temperature of 120°C is used in the manufacture of cellulose acetate propionate, where it ensures thermal resistance during processing. Density 0.993 g/cm³: Industrial Grade Propionic Acid with density 0.993 g/cm³ is used in pharmaceutical intermediate synthesis, where it provides consistent reactivity and product yield. Acidity 99% min: Industrial Grade Propionic Acid with acidity 99% min is used in herbicide production, where it improves active ingredient solubility for enhanced efficacy. Water Content ≤ 0.1%: Industrial Grade Propionic Acid with water content ≤ 0.1% is used in the production of plasticizers, where it reduces the risk of hydrolysis and increases long-term product durability. Boiling Point 141°C: Industrial Grade Propionic Acid with boiling point 141°C is used in esterification processes, where it allows efficient separation and purification stages. Color < 15 APHA: Industrial Grade Propionic Acid with color < 15 APHA is used in fragrance manufacturing, where it ensures minimal discoloration for high appearance standards. Iron Content < 1 ppm: Industrial Grade Propionic Acid with iron content < 1 ppm is used in the electronics chemical sector, where it prevents contamination and guarantees high-purity end products. Molecular Weight 74.08 g/mol: Industrial Grade Propionic Acid with molecular weight 74.08 g/mol is used in laboratory chemical reactions, where precise stoichiometric calculations are essential for reproducibility. Freezing Point −23°C: Industrial Grade Propionic Acid with freezing point −23°C is used in winterized solvent applications, where it maintains fluidity and operational reliability at low temperatures. |
Competitive Industrial Grade Propionic Acid prices that fit your budget—flexible terms and customized quotes for every order.
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On our production floor, we start every batch of industrial grade propionic acid by monitoring every input and column, making certain that performance speaks for itself throughout the process rather than leaving quality to chance. Our plant's setup allows us to run continuous distillation, which gives us the right balance between purity and affordability for industrial settings. We know what works and what slows operators down; our team spends time in warehouses and blending rooms just as much as in the lab. Customers want a product that arrives as ordered, fits seamlessly into their process, and backs up their own quality benchmarks, not just ours.
Our industrial grade propionic acid comes typically at a purity range above 99.5% but sits below the ultra-high levels required for pharmaceuticals. We use only food-safe inhibitors in all batches, which prevents premature polymerization in storage or transit, keeping the acid within specification longer. Moisture content is strictly managed, and the product is delivered with a minimum amount of water, since excess moisture can interfere with reactions and downstream yields. Each drum and IBC gets sealed on-site and labeled by line operators who know the value of batch traceability. Quality control draws samples from every run and stores written records for at least five years, since consistent tracking builds trust over time more than any marketing promise.
Industrial users, from animal feed mills to plastics extrusion shops, come to us for propionic acid primarily for its antimicrobial edge and performance as a chemical building block. Operators in the feed sector value the way a steady dose wards off mold and bacteria in silage, hay, and grains, cutting down on spoilage and improving shelf life. Low purity forms dredged from the bottom tiers of the market struggle in high-turn warehouses or hot environments, so livestock producers look for reliable, stably formulated acid that won’t degrade before they use it. When the acid goes into applications like cellulose acetate or herbicide intermediates, our customers measure not only the acid's raw content, but its trace impurity levels. Too much iron or high aldehyde counts slow their reactions or affect finished product color. Maintaining this balance makes the difference between a smooth day at the mixer and a round of re-blending, so we keep our production team well trained and our raw materials under strict contracts.
Throughout the sector, you’ll find a range of propionic acid types—food, pharma, and lab—each holding its own standards, testing methods, and price tags. We focus specifically on the needs of industrial clients who don’t need to pay a premium for pharmaceutical protocols, but who want no surprises from a bulk shipment. Some traders and resellers mix grades, chasing fast margins at the customer’s expense. As a direct manufacturer, we don’t cut batches with off-spec units or buy leftovers from third-parties. Rather than hide behind technical jargon or broad purity ranges, our certificates lay out exact numbers for acetic acid content, aldehyde levels, and visual clarity. Over the years, we’ve learned that a small number of highly specific tests tells more about performance in the production line than a dozen catch-all specifications.
Food grade and pharma grade propionic acid both demand extreme absence of byproducts and tighter controls on heavy metals, which matters if direct human contact or injection occurs downstream. Most industrial uses, from herbicide blending to packaging adhesives, do not benefit sufficiently from the extra cost incurred by those fine controls. On the other hand, technical-grade acids sourced from unregulated plants often introduce color bodies, inconsistent odors, and higher residual solvents that complicate automation and impact long-term storage. We have spent years optimizing our own distillation and filtration steps, aiming for a product that pours clear, reads true to spec every time, and stays stable under standard warehouse conditions. Our buyers operate with tight margins and tighter timetables, so we invest in plant upgrades that shorten lead times and reduce in-batch variation, giving logistics teams a product they recognize and trust.
On-site handling is another frequent concern engineers bring to us. Some acids arrive with strong, pungent by-odors from poor storage, slow transit, or mixed-content drums. Our operations team controls ambient humidity, temperature, and filling speed—no outside-in transfers—making sure every container holds only what’s ordered. We maintain regular dialogue with industrial blenders, adhesive compounders, and animal feed processors, listening to their feedback and finding ways to resolve any caking, discoloration, or off-gassing. Even small formulation errors or transport mishaps can cost more than the acid itself by halting entire lines. That’s why every order receives oversight from batch tracking to dispatch, along with transparent reporting should anything need adjusting in future orders.
Propionic acid’s advantages and hazards both demand real respect on the plant floor. Unlike technical acetic or butyric acids, our industrial grade propionic acid resists aggressive attack by most food spoilage organisms. Many processors see visible reductions in mold growth with regular treatment, so long as drum sealing and operator safety stay up to standard. Our packaging material partners blend high-density polyethylene and vapor-resistant liners because we’ve documented how exposure to the wrong container can introduce contaminants and spoil an entire lot in days. Workers handling the acid outdoors face little issue so long as basic gloves and goggles remain on hand, and our transportation partners train against splashes during loading to keep both staff and product safe.
Over time, propionic acid’s shelf life depends more on container integrity and warehouse temperature swings than on the product’s original test results. Leaky drums or unventilated storage spaces can create ongoing headaches, giving off strong odors or triggering local corrosion. We recommend regular checks of storage barrels and bulk tanks. Our team frequently visits client sites to help with drum rotation protocols and tank pump maintenance, aiming to keep stock as usable on day ninety as it is on day one.
In the past, the chemical sector built its name around volume above all else. Customer preferences are changing, with a sharper focus on sustainability, traceability, and regulatory conformity. Propionic acid production traditionally started from hydrocarbons, requiring significant energy and generating excess by-products. Our plant now relies more on catalytic processes that minimize waste and cut both energy use and emissions per ton. Feedstocks are sourced from long-term partners that meet our specifications for trace metals and absence of persistent organics. This careful sourcing lets clients writing sustainability reports point to verified performance in their supply chains.
Many animal-feed and packaging compounders also tell us their own customers expect fewer additives and more documentation on origin. Rather than obscure what’s inside with vague filler content claims, we share full analytical reports, including inhibitor type and residual solvent values, helping downstream users pass audits quickly. In recent years, we’ve begun trialing partial bio-based raw material sources, such as carbohydrate-derived starting materials. Though not yet at full scale, initial tests show a balance between lower greenhouse gas output and consistent run-to-run results. Our R&D team works with selected clients on these pilot projects, sharing real-world performance numbers as we move toward broader adoption.
Propionic acid offers a path forward for firms shifting from harsher biocides and more volatile preservatives, as residue levels after normal treatment often come in under regulatory reporting thresholds—especially important for operators subject to food or feed additive oversight. Our environmental monitoring audits ensure that local and export shipments both comply with evolving international standards, keeping client lines open and penalty-free.
Any operator in the blending or production field knows that implementing propionic acid isn’t just a matter of pouring it in and hoping for the best. Tank cleaning and pump line purges must be handled with attention to trace acid carryover, as residues corrode lesser alloys and give rise to complaints from downstream fillers. Our technical team includes staff with experience running batch reactors and pressurized filler lines, so we offer guidance on cleaning cycles and rinse protocols that prevent unexpected downtime. Customers often send questions about compatibility with plastics, tank gaskets, or even labels. On our end, we’ve cataloged extensive compatibility test data for seals, hoses, and transfer equipment to keep acid inside and outside surfaces intact for years.
Metering and dosing can also pose problems in lines designed for less aggressive solvents. Propionic acid delivers consistent performance once installed, but metering pumps must be properly sized and maintained to avoid surging or leaks. We offer on-site calibrations and share best-practices manuals for operators setting up for the first time. Cooling loops can also benefit from heat exchangers tolerant of light organic vapors, extending pump life and reducing off-gas exposure that can impact plant air monitoring.
Engineering teams weigh cost per kilogram against reliability and longevity rather than spot price. Our industrial grade propionic acid saves money at multiple points: lessened spoilage in feed, improved throughput in adhesives, and lower machine downtime due to fewer clogs or unreacted residues. Over long contracts, even minor differences in impurity profile or inhibitor type can result in hours saved during filter changes or days gained on shelf stability. Our clients in Eastern Europe and South America, where ports can face weeks of delay, have often shared stories of out-of-spec acid causing cascading delays. Reliable supply, backed by routine analyses and clear communication, reduces these risks and lets engineering and purchasing teams concentrate on higher-value tasks rather than chasing QC adjustments.
In practice, buyers want more than technical compliance—they want to trust their supplier is accountable and transparent. As direct manufacturers, we bear the full lifecycle of the product, from raw input shipment to finished drum delivery. Our operations staff handle each batch end-to-end, not through anonymous contractors, allowing us to resolve issues quickly and stand behind every shipment that leaves our lot.
Recent years have raised awareness of forced labor, environmental standards, and supply-chain security, both in our industry and globally. Accredited third-party inspections, along with frequent internal audits, hold our plant to documented labor and environmental standards. This conscientious approach helps our clients keep their own certifications, whether for ISO, GMP, or food safety, without the need to renegotiate or hunt for last-minute documentation at audit time. Clients tell us this direct line of oversight makes the procurement process more predictable, and reduces the risk of unexpected delays or compliance headaches down the line.
Since our founding, we’ve seen significant technological progress in both the composition and safety of propionic acid manufacture. Years ago, batch unreliability left plants pausing production lines for retests and redosing. By investing in digital controls, real-time sample analysis, and technician training, we’ve shortened our cycle times while boosting end-point consistency. The value here goes beyond the single product run: it lets purchasing managers forecast more accurately, and maintenance staff preempt many issues before they escalate.
Our technical department runs frequent trials, both in process intensification and new inhibitor blends, aiming to push aging or residual solvent levels lower than the industry average. Manufacturers in the adhesives and coagulation fields benefit directly as their downtime for acid cleanout drops and finished product clarity rises. Real-world feedback from end users, whether it’s a shift foreman or a procurement specialist, feeds directly into our R&D pipeline, helping us identify pain points and develop practical fixes. This collaborative cycle ensures our industrial grade propionic acid never stagnates, keeping it at the cutting edge of performance and convenience.
Extra attention goes into worker safety, both on our line and at application sites. Automated drum handling, vapor control systems, and emergency washdown stations present in our facility demonstrate our long view on operator health. Best-practice guidelines are refined in cooperation with clients, giving their plant managers confidence that compliance and safety goals can be met without extensive retooling or project overruns.
We keep lines of communication open after shipping. Our technical support line connects clients directly to people who have worked with the acid hands-on—not just call center staff. When questions or issues arise, we draw on batch records, sample archives, and years of troubleshooting logs to deliver quick, practical solutions. Customers who receive a container out of spec get rapid support, not delay or excuse, as our long-term relationships are built on transparency and responsiveness, rather than transactional distance.
Each order prompts a shipment review—not just for the recipient, but for our own staff. Any deviation or anomaly is investigated fully, logged, and, if needed, prompts a process change or retraining. Maintaining trust requires constant vigilance, and our dedication here extends beyond written guarantees.
Listening to customer input drives most of our product improvements. Many clients, working on livestock feed preservation, shared early on that even small improvements in purity or inhibitor blend created measurable differences in spoilage rates. Over time, those incremental improvements have meant lower feed loss, less odor complaint, and fewer waste hauls to landfill. Feedback from the plastics and herbicide sectors highlights the value of clarity and low sulfur content, as downstream reactions depend on precise input quality for maximal conversion rates.
We receive reports from operators in extreme climates where storage stability really matters. In high-humidity or coastal areas, the wrong acid blend can cause rapid deterioration of stored product and create workplace hazards. Our focused work on packaging and inhibitor reliability traces directly to these relationships, allowing us to refine both our process and the support tools we deliver.
Our approach to industrial grade propionic acid emphasizes performance, predictability, and long-term collaboration. As primary manufacturers, we shoulder both the technical and ethical aspects of each shipment. Years of hands-on experience shape our production standards as much as customer feedback. Every container reflects the knowledge built up from plant floor to loading bay. For users who require a balance of reliability, stability, and compliance, our industrial grade propionic acid stands as a practical choice, shaped by direct engagement with the realities of modern manufacturing.