|
HS Code |
309244 |
| Chemical Name | Oxalic Acid |
| Chemical Formula | C2H2O4 |
| Molar Mass | 90.03 g/mol |
| Appearance | Colorless, crystalline solid |
| Melting Point | 189 to 191 °C (372 to 376 °F) |
| Density | 1.900 g/cm³ |
| Solubility In Water | Highly soluble |
| Pka1 | 1.25 |
| Pka2 | 4.27 |
| Boiling Point | Decomposes before boiling |
| Cas Number | 144-62-7 |
| Odor | Odorless |
| Toxicity | Toxic if ingested or inhaled |
As an accredited Oxalic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Oxalic Acid is packaged in a sturdy, white 500g plastic bottle with a secure screw cap and detailed hazard labeling. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for Oxalic Acid: Loads 20 metric tons packed in 800 x 25kg bags, safely palletized and secured. |
| Shipping | Oxalic Acid is shipped as a solid crystalline substance, typically in sealed, labeled containers or fiber drums. It should be kept dry, away from incompatible materials, and protected from physical damage. Transport must comply with safety regulations due to its classification as a hazardous substance (UN 3261), requiring proper documentation and handling. |
| Storage | Oxalic Acid should be stored in a cool, dry, well-ventilated area, away from moisture, heat, and sources of ignition. Keep it in tightly closed, corrosion-resistant containers, clearly labeled, and separate from incompatible substances such as strong oxidizers, bases, and metals. Ensure proper spill containment and avoid contact with combustible materials to prevent hazardous reactions. Handle with appropriate personal protective equipment. |
| Shelf Life | Oxalic acid typically has a shelf life of 3–5 years when stored in a cool, dry, tightly sealed container away from moisture. |
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Purity 99.5%: Oxalic Acid Purity 99.5% is used in metal surface cleaning, where it efficiently removes rust and scale for optimal surface preparation. Molecular Weight 90.03 g/mol: Oxalic Acid Molecular Weight 90.03 g/mol is used in textile dyeing processes, where it acts as an effective bleaching and decolorizing agent. Particle Size <50 microns: Oxalic Acid Particle Size <50 microns is used in pharmaceutical synthesis, where fine granularity ensures rapid and uniform dissolution. Stability Temperature 150°C: Oxalic Acid Stability Temperature 150°C is used in industrial cleaning formulations, where it maintains chemical integrity and extends shelf life. Melting Point 189°C: Oxalic Acid Melting Point 189°C is used in laboratory reagent preparation, where high melting point ensures safe handling and storage. Viscosity Grade Low: Oxalic Acid Viscosity Grade Low is used in wood bleaching applications, where low viscosity allows deep penetration and uniform color removal. |
Competitive Oxalic Acid prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615371019725 or mail to sales7@alchemist-chem.com.
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Tel: +8615371019725
Email: sales7@alchemist-chem.com
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Years of daily operation and tight attention to process have taught us a few things about making and using oxalic acid. This is not just a basic commodity; every drum, bag, or tank rolling out of our site reflects real technical know-how and care. We manufacture oxalic acid from high-purity raw materials using an oxidation method centered around efficient, controlled reactions. Every batch undergoes constant checks for clarity, crystal form, and correct content, because the people who use it downstream depend on reliable results, not luck.
The model most customers know us for delivers consistent purity grades that meet market standards—rust removal, rare earth extraction, and electronics cleaning all need different specs. Getting this right matters. For industrial descaling, for example, our grade never leaves mineral residues that would cost clients extra time down the line. In sensitive applications—laboratory work, electronics, or pharmaceutical processing—the composition must be tight. We track iron, sulphate, and heavy metal traces batch by batch. Not all oxalic acid on the market hits these marks, despite the same outward appearance.
In our factory, oxalic acid reaches the market often in dihydrate form, crystalline and white, at purity regularly exceeding 99.5%. Granularity falls between 60 and 100 mesh for easy handling. Some units ask for customized mesh, especially where metering or solution rate affects their process, and our team knows how to deliver it by adjusting crystal size at the separation stage. Moisture content and heavy metals cannot be guesswork. The only way to trust a batch is to follow regular actual sampling and validate every result with calibrated equipment. We don’t send out anything that hasn’t cleared these hurdles.
From raw intake to final sealing, process steps are built around parameters controlled not by paperwork, but by people who have walked the line every day. Workers catch issues early—off-color, over-sized crystals, or alien odors. One lost batch a decade ago left us a lesson: shortcuts ruin both utility and reputation. That’s why our routine today runs closer to a craft than people might think for a chemical bulk commodity.
The customers walking through our production hall over the decades tend to return because they see actual field gains. In the metal finishing sector, oxalic acid clears oxides from steel and brass surfaces faster and cleaner than standard mineral acids. There’s less pitting and fewer hydrogen embrittlement complaints compared to sulfuric or hydrochloric acid baths. Where stainless steel pickling is concerned, the switch to oxalic acid from other agents often brings down rework rates.
Textile clients run our product in dyeing and bleaching processes. Their goals are color clarity and fiber preservation, which break down quickly if trace metals or off-spec components sneak through. Our daily data tracking serves them well, keeping interruptions rare. In rare earth extraction—a demanding sector—the separation of cerium and lanthanum relies on precise oxalate formation, and if purity slips, both yield and separation efficiency nose-dive. That’s not just theory. Early in our history, one missed specification caught us off guard, causing false results in a customer’s analytical pipeline. We don’t forget these lessons.
Field hands in the cleaning sector know the difference between real product and what’s found in non-industrial channels. Farm supplies sometimes cut down oxalic acid out of cost pressure, but it simply won’t clear tough stains or limescale on equipment. Our conversation with equipment maintenance engineers always circles back to one point: consistency and real cleaning performance come down to correct crystalline form, no dilution, and guaranteed content.
Market suppliers may recommend alternatives such as citric acid, phosphoric acid, or other organic acids. Each carries tradeoffs. Oxalic acid has a sharper effect on rust and scale due to its ability to chelate metal ions and break up stubborn oxide layers quickly. Try removing old stains from marble, brass, or concrete—citric acid lags behind and often forces crews to repeat the cycle. Phosphoric acid offers decent cleaning, but leaves phosphate residues that sometimes react with metals in undesirable ways for finished goods.
We have also reviewed complaints about cheaper, lower-grade oxalic acid, sometimes imported or repacked by wholesalers. Problems surface right at the point of use—strange odors, inconsistent performance, unwanted precipitation in cleaning lines. Dirty batches jam up sprayers, clog filters, and force unplanned downtime. In our experience, addressing these customer headaches justifies careful production steps every single time. Quality measures don’t look impressive in spreadsheets but prevent headaches and serious costs downstream.
Oxalic acid costs more than generic acids in bulk, and buyers sometimes switch for budget reasons. But after factoring in lower cleaning cycle times, fewer quality claims, and reduced waste disposal needs, many return. We have even traced the success of some plating and electronics assembly clients directly to ingredient quality in their processing baths. These are not marketing stories—our technical support team has seen process deviations and traced them back to off-spec raw inputs, sometimes with costly recall events for the client.
Quality variation presents the most frequent complaint among downstream users worldwide. Global trading often blurs origin details. Someone repacks bulk product several times, with shaky control over storage or transit, causing sublimation or picking up moisture en route. That affects not just appearance but actual handling—clumped, off-color, or contaminated product costs money and can delay whole project cycles. We always counsel direct engagement with production sources. Manufacturers with actual skin in the game explain batch history and support traceability, which traders or briefcase sellers simply can’t do.
Logistics remain an underappreciated part of delivering consistent oxalic acid. The bulk of what we produce moves in lined bags, sealed drums, or totes. Packaging has evolved over the years to prevent water pickup and accidental contact, because wet oxalic acid quickly forms sticky cakes. We’ve had to redesign pallets, test new liners, and train carriers. One lost shipment years back crystallized this lesson—it’s less about cutting shipping costs and more about protecting customer throughput.
Technical complaints sometimes relate to perceived “inactivity” or slower-than-usual cleaning power. The root cause in many of these cases traces to expired or poorly stored product. We always ship with a production date on every unit, and our larger buyers now run their own incoming tests, which we encourage. Still, clear manufacturer-user communication cuts risk more than any guarantees on paper.
On the regulatory front, oxalic acid presents its own safety questions. We maintain compliance documentation and support end users in workplace safety planning. Dust generation, contact irritation, and waste water treatment are not minor points. Experience tells us that a sound training program and clear labeling do more for injury prevention than sticker compliance alone. Our teams often help train client crews in safe decanting, mixing, and neutralization after use.
Clients often approach us with questions about dissolving methods, safe mixing, and optimal concentrations for their specific application. For efficient rust removal, our practice suggests dissolving oxalic acid in warm water at concentrations ranging from five to ten percent, depending on equipment and soil level. We advise stirring until fully dissolved and applying under controlled ventilation. Many first-time users under-dose and see softer results, or overdilute and waste material. Our engineers provide blending tips to minimize material loss and handling risk.
In solution preparation, water quality can matter more than first expected. Hard water introduces calcium or magnesium, which triggers premature precipitation of oxalate salts. This lowers cleaning efficiency and can clog equipment. Our technical team often helps new clients review their water sources before switching to our product for scale remediation. On large industrial lots, automated dosing helps maintain correct concentrations and cut direct worker exposure. We’ve supplied automated dissolution and transfer setups for food-safe applications, where hand scooping isn’t acceptable.
For customers involved in laboratory or electronic component cleaning, where even faint residues can ruin work, we provide trace metal data sheet updates and sample retainers. We understand that consistent process matters more than chasing ever-higher purity. If a particular run shows a deviation, we immediately pull stock and re-test, saving everyone time. One electronics client saw process drift after switching to an alternate supplier; we helped them isolate the issue, adjust rinse protocols, and normalize yield. This kind of partnership—where manufacturer and client solve problems together—matters more than just filling orders.
Oxalic acid might seem a mature product, but production and application technology still advance. Our lab keeps running pilot batches to test modified crystal forms, lower dust releases, and easier dissolution behavior. Feedback from customers drives most of this work, not just internal research priorities. One packaging redesign arose after field crews complained about clumping; another handled an international buyer’s request for an extra-dense crystal to speed bulk dissolving.
We keep close watch on effluent management for large users. Some industries, faced with tighter discharge regulations, have asked for lower sodium or sulfate residues to simplify wastewater neutralization step planning. We work with their environmental teams to adjust upstream production and supply data for compliance tracking. Years ago, wastewater treatment partners flagged an uptick in spent acid volumes, prompting us to look for ways to raise acid utilization efficiency with customers—reducing waste at its source, not just downstream.
As production sites modernize, safety keeps evolving. Modern closed transfer systems, dust collectors, and on-site emergency drills aren’t just legal requirements—they came out of hard lessons. We never stop refining our workflow to cut exposure and risk. Our technical support covers remote guidance for on-site incident response, not just product literature or obligatory safety data. We believe manufacturers must maintain a direct technical relationship with clients—no distributor or broker delivers the same value or urgency in solving problems. Only real producers keep proper records and historical insight to identify root causes or batch deviations.
Years of field feedback, combined with our own factory records, have shown that customers benefit most when they buy oxalic acid straight from dedicated producers. It raises process yields, helps avoid missed deadlines, and reduces on-the-ground frustration. Unlike traded goods, where the origin and storage conditions remain hard to trace, anyone buying our product gets history, documentation, and access to technical backup. Those facing unique challenges—such as especially old rust removal needs, bespoke electronic cleaning, or strict purity protocols—know that support matters as much as the crystalline white powder itself.
Field performance carries the day. Economic trends, supply chain pressures, and “cost-down” purchasing cycles repeat every decade. The clients who value steady output over annual penny savings seek out what we’ve learned over years: a strong partnership with a real factory pays back again and again. In a world awash with generic supplies, real manufacturers stand apart by sharing their hard-won expertise, not just cartons of product. That’s what we aim to deliver every time someone orders oxalic acid from our line.
Markets keep evolving. New applications in energy storage, electronics miniaturization, and rare earth magnets push us to adapt. We routinely adapt our manufacturing to maintain the right balance—meeting legacy applications in agriculture and cleaning, while serving precision-focused users in new technology sectors. The only way to do this successfully is to walk in step with long-time clients and respond to what they see on their factory floors and job sites, not just from a lab bench or spreadsheet.
Nothing replaces direct user experience. We stay available for questions about use, disposal, or getting the best outcome from our product. Open channels produce better feedback, smarter production adjustments, and fewer product failures. We keep investing in staff training and next-generation testing instruments, since market expectations for purity and speed keep rising. Lessons learned on our own floor end up benefitting everyone downstream.
We’ve noticed a steady demand for higher-volume packaging and systems designed for safer, simpler delivery—less lifting, cleaner batch prep, and safer air in the plant. Listening to equipment operators who use oxalic acid up close, we have tuned our packaging, labeling, and support programs many times. Direct feedback has taught us more than any data report could.
Success in oxalic acid manufacturing does not come from short-term sales, but from steady reliability, a willingness to solve problems, and walking the plant floor with end users. Looking back at our process and product evolution, every small improvement—from filtration upgrade to monitoring more trace elements—originated not in a meeting room but from real-world field encounters.
Oxalic acid plays a unique part in metal processing, cleaning, and specialty chemical production. The difference between a trouble-free process and lost hours in clean-up or reprocessing often runs through our factory doors. We have chosen the path of direct engagement and deep technical support because we understand every user’s day on the floor is different, and every quality slip becomes a headache not just for them, but for us as well.
Each bag, drum, or tote of oxalic acid we ship started as a project supported by skilled hands, attention to detail, and a direct link to the user’s real need. Our commitment is to keep manufacturing oxalic acid backed by the skill, care, and responsiveness that come only from boots-on-the-ground industry experience. The trust we hold with every order has been earned not by words, but by results seen in practice—one batch at a time.