HS Code | 551552 |
| Chemical Name | Potassium Carbonate |
| Chemical Formula | K2CO3 |
| Molar Mass | 138.205 g/mol |
| Appearance | White solid,hygroscopic powder or granules |
| Odor | Odorless |
| Melting Point | 891 °C (1636 °F) |
| Solubility In Water | 110 g/100 mL at 20 °C |
| Density | 2.43 g/cm³ |
| Cas Number | 584-08-7 |
| Ph Of Aqueous Solution | 11.6 (for 0.1 M solution) |
| Boiling Point | Decomposes before boiling |
| Autoignition Temperature | Non-flammable |
| Refractive Index | 1.427 |
As an accredited Potassium Carbonate factory,we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Potassium Carbonate,25 kg,packaged in a tightly sealed,high-density polyethylene bag inside a sturdy,labeled fiber drum for safe transport. |
| Container Loading (20′ FCL) | 20′ FCL container loading for Potassium Carbonate:packed in 25kg bags,20–24 metric tons per container,moisture-proof packaging ensured. |
| Shipping | Potassium carbonate should be shipped in tightly sealed,moisture-proof containers,clearly labeled with chemical identification and hazard information. Transport by road,rail,or sea must comply with local and international regulations. Store upright in a cool,dry,well-ventilated area,away from acids and incompatible materials to prevent hazardous reactions during shipping. |
| Storage | Potassium carbonate should be stored in a tightly sealed container in a cool,dry,and well-ventilated area. Keep it away from moisture,acids,and incompatible substances such as strong oxidizers. Protect from physical damage and direct sunlight. Clearly label the container and store it in accordance with local regulations and guidelines for alkaline chemicals to ensure safe handling and storage. |
| Shelf Life | Potassium carbonate typically has a shelf life of 2-3 years when stored in tightly sealed containers,in cool,dry conditions. |
Purity 99%:Potassium Carbonate Purity 99% is used in glass manufacturing,where it enhances transparency and structural stability. Viscosity Grade Low:Potassium Carbonate Viscosity Grade Low is used in liquid detergents,where it improves solubility and cleaning efficiency. Particle Size Fine:Potassium Carbonate Particle Size Fine is used in ceramic glazing,where it ensures smooth surface finish and uniform color distribution. Melting Point 891°C:Potassium Carbonate Melting Point 891°C is used in heat-resistant pottery,where it increases product durability under high temperatures. Stability Temperature 700°C:Potassium Carbonate Stability Temperature 700°C is used in metal treatment fluxes,where it maintains reactivity and prevents agglomeration. PH 11.6 (1% Solution):Potassium Carbonate PH 11.6 (1% Solution) is used in food processing,where it acts as a buffering agent to regulate acidity. Water Solubility 1120 g/L:Potassium Carbonate Water Solubility 1120 g/L is used in chemical synthesis,where it provides rapid dissolution and homogeneous mixing. Granular Form:Potassium Carbonate Granular Form is used in fertilizer production,where it allows for precise dosing and easy handling. Low Impurity (Chloride <0.1%):Potassium Carbonate Low Impurity (Chloride <0.1%) is used in pharmaceuticals,where it ensures product safety and compliance with regulatory standards. Bulk Density 2.43 g/cm³:Potassium Carbonate Bulk Density 2.43 g/cm³ is used in fire extinguisher powders,where it provides consistent flow and effective fire suppression. |
Competitive Potassium Carbonate prices that fit your budget—flexible terms and customized quotes for every order.
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Our years on the production line have made us appreciate Potassium Carbonate as more than just another white powder. Every step of production,from the reaction of potassium hydroxide with carbon dioxide,gets a close eye. It starts with quality ingredients and ends with a fine or granular product designed for real-world needs. We stay mindful of moisture,purity,and how our process conditions shape the final material. Customers gauge us by the reliability of their outcomes,not glossy brochures. So,the difference between a usable batch and a headache often comes down to watchful monitoring at the plant.
Potassium Carbonate (molecular formula K2CO3) stands out in practical terms because it fits tasks sodium carbonate can’t cover. In our factory,much of the output goes straight to glassmaking;when glassmakers want higher thermal stability or need to improve translucency,they reach for potassium over sodium compounds. In soaps and detergents,end-users praise how it creates softer,gentler cleaners—especially important for those formulating soaps that won’t ruin sensitive skin. Some industrial processes involve drying agents,and here,Potassium Carbonate’s strong affinity for moisture means it tackles air and gas drying without fuss.
Every sector asks for slightly different granularities,and that’s something you learn only by listening. Our main models include both granular and powder grades. Granular forms work well for manufacturing fire extinguishers or when customers need to meter dosing precisely. Powdered potassium carbonate dissolves quickly for liquid detergents,fertilizer mixes,and photographic developers. Either way,users can expect material that stays free-flowing in storage tanks,so it doesn’t cake or clump before use.
If you walk the production floor in a fertilizer or pharmaceutical facility,the reason for choosing potassium over sodium becomes clear. Potassium-based compounds provide the necessary nutrients without adding excess sodium to soil or solutions,which can throw off balance or damage delicate products. Our agricultural processors talk about higher crop yields and fewer salt-related issues when substituting sodium compounds with our potassium carbonate.
Food makers value high chemical purity for their needs. Food-grade potassium carbonate must meet regulatory standards and hold up under scrutiny from food safety teams. Our experience with food safety audits means we produce batches that satisfy even the most particular end-users—think noodle manufacturers adjusting dough texture,or those creating cocoa powder with optimized alkalinity.
From the manufacturing side,each specification reflects unique constraints and choices made during crystallization,drying,or packaging. For instance,some buyers require granular grades between 0.5 mm and 1.6 mm,while cleaning chemical producers request fine powders that dissolve instantly in cold water. Achieving these differences means direct manipulation of evaporation rates and careful screening after drying. We rarely deal with “generic” requests. Instead,every batch goes through a tailored set of screens and moisture checks to hit the needed balance between flowability and solubility.
Lab analysis isn’t an afterthought—it's built into the operation. We monitor for impurities like chloride, sulfate, and heavy metals, because trace contamination can make or break a product’s performance downstream. Pharmaceutical grade potassium carbonate undergoes some of the most stringent tests for purity and microbial contamination. On the other end, industrial and technical grades focus more on consistency and straightforward application, like adjusting pH in process streams or softening water.
Ask anyone who works with bulk chemicals, and you’ll hear how storage and transport often shape the buying decision. Potassium carbonate absorbs atmospheric moisture fast, turning clumpy if storage conditions slip. Our bags come with heavy-duty liners and we train warehouse teams to keep the product dry until it’s needed. This is no small matter: a caked-up storage silo holds up production, while a free-flowing material keeps things running.
Shipping is another detail that only becomes important the moment something goes wrong. It doesn’t take long for exposed potassium carbonate to form hard lumps or reduce solubility, and we’ve seen far too many mishaps caused by careless repackaging or poor sealing. That’s why we offer both jumbo bags for high-volume clients and smaller sacks for users with more controlled environments. Each option supports a predictable workflow with less waste.
No one likes surprises on the compliance front. Potassium Carbonate holds a favorable profile—non-toxic in reasonable quantities and less corrosive than traditional caustic potash (KOH). We keep strict documentation and labeling practices to back up these claims. For downstream users, this low-hazard rating simplifies handling and supports worker safety. Our staff receives regular training not only for their own wellbeing, but also to support tight regulatory controls in our customers’ countries.
Zero discharge and waste recovery form part of the day-to-day running of our operations. Any residual dust or wash water generated in production cycles gets captured and fed back through our system, preventing unnecessary waste and saving on disposal costs. Customers tell us they’re relieved to find vendors who take pollution seriously; stricter plant audits have shaped new norms for both suppliers and end-users, and we’re glad to lead by example.
Ask old hands in the chemical industry about the difference a good batch of potassium carbonate makes and you’ll probably get stories about fewer plant downtimes or more consistent finished products. We treat process consistency as our everyday concern, not just a selling point. Before packaging, every production run gets a round of testing using both automated and manual methods. We document every parameter—moisture, assay, particle size—so that each customer knows what they’re loading into their systems.
For us, traceability isn’t just paperwork. By keeping batch logs and production dates tied to specific customers, we support audits without unnecessary stress. Troubleshooting gets easier when we can pull up a database and figure out exactly where a batch went and how it was produced. Satisfied buyers remember quick resolutions, not lengthy arguments.
Original equipment manufacturers (OEMs), specialty formulators, and bulk chemical processors benefit the most from direct factory supply. Larger volumes mean tighter coordination between plant schedules and delivery windows. Custom packaging or unusual spec requirements get easier to handle when clients talk to the actual production team, not a middleman with only generic answers.
On occasion, customers request potassium carbonate blends, such as mixing with potassium bicarbonate for unique fire suppressant characteristics. Being the original manufacturer lets us guarantee compatibility, plus we can adapt processes quickly without bureaucratic delays. Many buyers have told us about ruined batches from poorly matched third-party suppliers; getting material direct offers peace of mind you can’t always quantify.
Food processors rely on potassium carbonate for roles that few other additives fill well. It helps regulate acidity in cocoa powder and modifies the texture of noodles and pretzels for signature results. In Asia, it strengthens yellow noodles by adjusting the pH of the dough—changing bite and mouthfeel, which end users can taste.
In fertilizers, potassium carbonate brings water-soluble potassium without raising sodium levels. Our field visits with growers show crops perform better, with fewer symptoms related to sodium overload or pH issues. Long-term soil health improves where the right potassium source replaces less ideal alternatives. Some greenhouse operators have even told us our granular product dissolves faster and leaves fewer residues, giving them more predictable nutrient delivery.
Municipal water treatment facilities and industrial operators often source potassium carbonate to soften water, adjust pH, or serve as a buffering agent. One plant maintenance manager described how our material cut their chemical consumption because of higher assay and better dissolution performance. In industrial cleaning products, the compound helps formulate low-residue detergents—something commercial laundries and institutional sanitizers demand more of.
Developers and laboratories turn to potassium carbonate for specialty reactions and as a base for synthesizing other potassium compounds. For technical buyers, consistent assay is essential; an off-spec supply can force costly process recalibrations or cause end-product failures. Frequent feedback from labs and R&D teams helps us fine-tune our process, strengthening material reliability over the long term.
Ask any glassmaker why they switched to potassium carbonate and you’ll hear about quality. The higher potassium ion content helps produce crystal glass with greater brilliance and strength. We’ve worked with ceramics producers who rely on the compound for fluxing, resulting in better melting characteristics during kiln firing. Ceramic glazes require tight control of chemical input, and we meet this need with regular supply and clear batch documentation.
Manufacturers of heat-resistant glassware or specialized ceramics often specify lower-sulfur, low-chloride grades. Our team prepares these refined batches by using extra purification steps and by tightening inclusion threshold levels for problem components. This attention to detail means artists and engineers get the outcomes they need, from optical clarity to reliable mechanical strength.
Big industrial customers use potassium carbonate in liquid fire extinguishing systems designed for grease and oil fires. The chemical reacts quickly to form a soapy foam that smothers flames and breaks the fire triangle. Technician crews have reported faster recharge cycles and lower maintenance needs with material that’s free of caking agents and fine enough for easy handling during blending.
Potassium carbonate also finds use as a flux in metal processing—especially in high-temperature brazing or joining of nonferrous metals. Welders and metalsmiths count on consistent flux properties to avoid rework. From our side, that means committing to the same rigorous QA cycle with each tong-ful and bag filled.
Production isn’t always as straightforward as it looks on paper. Impurities in raw potassium hydroxide, unstable process temperatures, or unexpected surges in ambient humidity can all knock the process off course. Over the years, our engineering team designed process controls and monitoring to avoid downtime—automatic alarms call staff to the plant, not just to record data but to fix issues at source. It’s this hands-on habit that helps us avoid waste, keep costs in check, and supply product that builds confidence in repeat buyers.
We’ve also invested in dust suppression and personal protective equipment to handle occasional exposure risks, both for our staff and end-users who handle material daily. Potassium carbonate dust can irritate airways or skin with prolonged contact, so built-in safety measures make sure the plant environment meets regulatory guidelines. This supports ongoing worker health and reassures industrial clients with stringent safety protocols.
Seasoned buyers judge a supplier on more than just price or glossy brochures. We field regular calls about custom blends, urgent shipments, or technical issues. Customer service staff who actually talk to plant operators or logistics managers always have the best answers. We’ve trained our front-line team to understand the production process—not just sales scripts—so problem-solving happens faster, whether it’s rushing out extra bags for a breakdown or troubleshooting a rare off-spec batch.
Transparency works better than sales patter. We share real batch analysis reports, update on shipping lead times, and don’t conceal material quirks when conditions impact the product. This openness has won us more long-term deals than any catalog copy could.
Our experience producing potassium carbonate has shown practical value in dozens of settings. Whether for glass production, fertilizers, food processing, or technical applications, the needs change but the principles remain—the right composition, packaging, quality checks, and a listening approach to customer feedback. We maintain close relationships with end users so we can anticipate trends and meet specialized requirements before they become bottlenecks.
We believe direct contact between manufacturer and user benefits everyone: fewer misunderstandings, quicker adaptations, and fewer communication breakdowns. After decades in the field, we remain committed to continuous improvement—taking pride in products that keep production lines moving, crops thriving, and new innovations rolling out.