Products

Potassium Chloride

    • Product Name: Potassium Chloride
    • Chemical Name (IUPAC): Potassium chloride
    • CAS No.: 7447-40-7
    • Chemical Formula: KCl
    • Form/Physical State: Crystalline solid
    • Factroy Site: Qinghai Salt Lake Industry Co., Ltd., 28 huanghe road, Golmud City, Qinghai Province
    • Price Inquiry: sales3@liwei-chem.com
    • Manufacturer: Qinghai Salt Lake Industry Co., Ltd
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    Specifications

    HS Code

    354031

    Chemical Name Potassium Chloride
    Chemical Formula KCl
    Molar Mass 74.55 g/mol
    Appearance White crystalline solid
    Odor Odorless
    Melting Point 770 °C
    Boiling Point 1420 °C
    Solubility In Water 34.7 g/100 mL (20 °C)
    Density 1.984 g/cm³
    Cas Number 7447-40-7
    Ph neutral (5.5–8.0, 5% solution at 25 °C)
    Taste Saline
    Hazard Statements Generally regarded as safe, may cause irritation in large amounts

    As an accredited Potassium Chloride factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing White, sealed 25 kg bag labeled "Potassium Chloride, KCl, 99% Pure," with hazard symbols and handling instructions printed in black.
    Container Loading (20′ FCL) Potassium Chloride is loaded in 25kg or 50kg bags onto pallets or loose, typically 20-25 metric tons per 20′ FCL.
    Shipping Potassium Chloride is shipped in well-sealed, clearly labeled containers, such as drums, bags, or bulk bins, to prevent moisture absorption. It should be kept dry and protected from incompatible substances. During transport, adhere to regulations for non-hazardous chemicals, ensuring proper documentation, handling, and storage to prevent contamination and spillage.
    Storage Potassium chloride should be stored in a tightly sealed container, away from moisture and incompatible substances like strong acids. Keep it in a cool, dry, and well-ventilated area, protected from direct sunlight and sources of ignition. Label the storage area clearly and ensure the chemical is kept out of reach of children and unauthorized personnel, following standard laboratory safety protocols.
    Shelf Life Potassium chloride has an indefinite shelf life if stored properly in a tightly sealed container, away from moisture, heat, and light.
    Application of Potassium Chloride

    Purity 99.5%: Potassium Chloride with 99.5% purity is used in pharmaceutical tablet manufacturing, where it ensures accurate electrolyte balance in final formulations.

    Particle Size ≤ 150 µm: Potassium Chloride with particle size ≤ 150 µm is used in food processing applications, where it promotes uniform dispersion and improved taste masking.

    Stability Temperature 400°C: Potassium Chloride stable up to 400°C is used in metal heat treatment baths, where it maintains consistent thermal conductivity for alloy processing.

    Molecular Weight 74.55 g/mol: Potassium Chloride of 74.55 g/mol is used in laboratory calibration standards, where it guarantees precise molarity calculations for analytical procedures.

    Solubility 34.2 g/100 mL at 20°C: Potassium Chloride with solubility of 34.2 g/100 mL at 20°C is used in chemical reagent solutions, where it provides rapid dissolution for controlled experimental setups.

    Granule Form: Potassium Chloride in granule form is used in fertilizer formulations, where it enables even nutrient distribution and optimized absorption by crops.

    Melting Point 770°C: Potassium Chloride with a melting point of 770°C is used in molten salt reactors, where it provides reliable phase stability for efficient energy transfer.

    Low Heavy Metal Content <10 ppm: Potassium Chloride with heavy metal content below 10 ppm is used in intravenous infusions, where it reduces contamination risks in medical applications.

    Anhydrous Grade: Potassium Chloride of anhydrous grade is used in oil drilling fluids, where it ensures stable rheology and prevents swelling of clay formations.

    Analytical Reagent Grade: Potassium Chloride of analytical reagent grade is used in ion-selective electrodes, where it delivers high signal precision for electrochemical measurements.

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    Certification & Compliance
    More Introduction

    Potassium Chloride: Straight from Our Reactors

    In our production halls, potassium chloride takes a central role day after day. We shape it in forms that fit right into bulk tanks at fertilizer plants, into clear bottles meant for labs, and into cleanly packed bags found at food processors around the world. For over two decades, we have been fine-tuning the entire process, from feedstock handling to drying techniques. Field after field, scientist after scientist, potassium chloride (KCl) moves along with us from the molecule up.

    Consistent Quality Every Batch

    From the beginning, we realized that potassium chloride means different things for different industries. In agriculture, a 60% K2O equivalent granular or powder is standard. Heavy industry favors a technical or industrial grade with tight controls over sodium and iron content. Pharmaceutical and food processors demand a purity of at least 99.5%, with moisture and nitrate residues below strict thresholds.

    To meet these needs, we run our finishing lines with precise separation, screen different granule sizes, and keep a persistent eye on process water. For key customers, we ship model numbers like KCL-PL60 Granular for crop uses and KCL-F99 Powder for premium applications. These are not marketing taglines but practical labels for tight-range compositional windows, color, and flow properties.

    How Potassium Chloride Fuels the World

    Every ton of grain, fruit, or vegetable carries trace potassium. Soil rarely yields enough, so farmers reach for our potassium chloride. Crops take up potassium in a soluble chloride form without the risk of heavy salt buildup that comes with competing products like potassium sulfate or potassium nitrate. Because our KCl reaches 60% K2O equivalent, a grower can calculate nutrient value directly and make decisions confidently, avoiding over-application and runoff.

    On the food side, potassium chloride steps in where salt reduction matters. Table salt substitutes that actually taste familiar, processed cheese that stretches properly, and canned meals with just enough bite—all use food-grade KCl (E508). For these producers, our clarity, color, and exacting microbial controls matter. Repeated customer audits have refined our protocols, right down to the shape and size of a KCl crystal.

    Bench Experience in Chemical Processing

    Some customers note the clarity of our KCl in saline solutions for laboratories or dialysis applications. Industrial and analytical buyers regularly return for the low magnesium and sulfate taints found in our technical grades. Water purification systems depend on this clarity, avoiding interference in calibration and testing.

    Chlor-alkali installations and other reactors often pull potassium chloride as a full-scale feedstock. The reactivity stays predictable thanks to brine purity that avoids side-element surprises. We learned years ago that overlooked impurities like calcium or magnesium creep into the fine machinery of major plants; since then, each lot heading to such customers comes with lab sheets checked at our own in-house facilities.

    Safe Handling and Storage That Actually Works

    Potassium chloride earns a reputation for being less demanding in storage and shipment than some other chemical minerals. Bulk hoppers and transport silos never see the aggressive dusting found in ammonium nitrate. Extended storage periods see little caking or moisture wicking compared to urea.

    We invested in specialized drum lining and flexible bulk container options, based on years of watching actual customer storage habits in everything from humid tropics to dry inland terminals. For food and medical markets, stainless steel surfaces, frequent sanitation, and full lot tracking link every pack back to the line and operator batch log. Compliance checks have roots in everyday practice, not just paperwork.

    Potassium Chloride vs. Other Potassium Salts

    Potassium sulfate and potassium nitrate see common use in fields sensitive to chloride or with very saline groundwater. But KCl remains the dominant potassium source because of its high potassium content, simple application, and cost-to-nutrient ratio. Some crops or soils—potatoes, tobacco, certain fruit—respond best to non-chloride sources, a fact we always share with new customers. But for wheat, corn, soy, and most pastures, KCl gives a bigger return from each application.

    On the industrial side, comparing potassium chloride to sodium chloride as an electrolyte or reagent, KCl brings lower sodium contamination risk in finished products. Substitute potassium salts either raise input costs sharply or bring their own residue worries. We watch customers try alternatives, especially with changing trade policies, but the feedback returns to KCl’s stability, ease of use, and global reliability.

    Origin and Traceability Built into Every Order

    Over the years, traceability has grown in importance. Food and pharma clients ask for clear tracking from raw mineral to final delivery. We built unique batch coding and full chain-of-custody logs well before regulators caught up. Any batch of potassium chloride leaving our factory can be followed back through production tanks, transport pipelines, drying drums, and to the original mineral supplier.

    Inspections aren’t just a formality. Teams use chain-of-custody for every critical incident traceback, whether triggered by a complaint or a regular audit. From the moment natural brine arrives and meets our own brine purification systems, every process stage is logged. Heavy metals, rare earth elements, and agricultural contaminants such as dioxins and PCBs are monitored below demanding thresholds. The confidence this brings lets global buyers keep downstream certifications valid, whether under EU REACH or US FDA rules.

    Environmental Impact and Practical Solutions

    All chemical makers owe a debt to the environment, and the potassium chloride process brings both strengths and real challenges. Modern solar evaporation, mine venting, and continuous recapture reduce legacy waste. Our operations have shifted toward closed-loop water use, and waste brine finds use in on-site secondary recovery.

    Dust and fine particulates never leave unnoticed; we use water mist systems and negative pressure at loading points. Byproducts find purpose in concrete, ceramics, or as catalysts. We recognize that the energy cost of KCl remains lower than many other synthetic potassium salts. But every year, plant teams are tasked with trimming kilowatt hours per ton, and waste salt volumes are tracked closely.

    Helping Customers Solve Common Challenges

    Potassium chloride’s high solubility makes it friendlier in most blending operations, but surprises can still appear. Too fine a powder can create lumps and clogs. Coarse granules dust less but don’t always blend quickly. Through years of collaboration with both large agrochemical blenders and medium-sized batch mixers, we’ve learned to tweak granulation profiles and drying times so customer operations run without interruption.

    Each time a problem arises—unexpected caking in storage, a question about the right screening mesh, a concern about product pickup under humid conditions—we document solutions and pass them along. This practical loop, from lab bench through the bagging line and onward to the field, gears every change toward real performance in customer hands.

    Daily Safeguards in Feeding, Blending, and Packing

    Production of potassium chloride rarely gets a day off. Morning and afternoon checks keep quality measures sharp. We track equipment temperatures and warehouse humidity closely, noting how these affect pourability and dust control. Our team has replaced and calibrated dozens of scales, sieves, and metal detectors over time, learning what fails under actual plant conditions.

    We see the product leave us packed in bags, tanker trucks, and railcars—a KCl granule that must reach a blender’s paddle, a food technologist’s mixing tower, or a dosing valve in critical water applications. Every downstream user expects a product with steady granule size, no off-color, no musty odor, and no invisible residues. Each day, hundreds of actions from line workers and engineers keep these things routine.

    Laboratory Partnership and Ongoing Testing

    In-house lab partners play a direct role in keeping potassium chloride quality high. Each lot gets run through titration and flame photometry to check potassium content. At intervals, we run color, moisture, and particle size tests—both by sieving for standard mesh and using laser diffraction for finer powders. Even heavy metal contaminants get reviewed on a tight schedule.

    We rarely wait for a customer complaint before checking trends. If a shift in brine composition appears, or a new pattern in crystal growth catches the eye, lab teams act immediately. This practice has saved countless batches and builds trust in users who face zero tolerance for dust or offgrade product. For the high-purity buyers—laboratories and food customers in particular—sample retainers get stored for months so questions about certainty and traceability always have a chain of evidence.

    What Sets Our Approach Apart

    The chemistry behind potassium chloride has not changed much in a century, but actual buying expectations, regulatory frameworks, and field realities never stand still. For some buyers, cost and nutrient content remains top of mind. For others, recurring audit demands, food labeling compliance, and fine-print thresholds for sodium, heavy metals, or even allergen cross-contamination dictate every ton.

    Our approach comes from cumulative customer conversations, audits, and critical moments. We’ve built model variants to address not only purity and granule size, but also environmental footprint and blending efficiency. The differences aren’t just on paper—a KCL-PL60 batch performs in a grain spreader on a sticky autumn day; a KCL-F99 batch dissolves quickly under clean room scrutiny for food and science customers.

    Potassium Chloride: Global and Everyday Uses

    Markets change each year. Food processors rise, new crops expand, and regions discover either chloride-sensitivity or a need for advanced potassium blends. Through these shifts, potassium chloride remains on the approved lists for a wide range of uses. Salt substitutions in everyday kitchens, mineral supplements, intravenous saline for hospitals, calibration brines in meters, even solutions for fireworks and de-icing lines—all draw on KCl as their potassium source.

    We have learned to adapt the production rhythm and formulation to this diverse demand. Some days, orders run heavier for the agricultural model, thick with bulk shipments. Others, the focus slides to pharmaceutical or high-purity buyers, who need detailed paper trails and a guarantee of zero contaminant risk. Each shift, production teams review market needs and adjust. It isn’t just about producing volume, but about delivering exactly the right balance for wheat fields, water purifiers, or high-tech labs.

    Listening to Feedback, Adapting with Purpose

    Practical improvement builds on feedback from longtime customers and new partners. We gather everything from blender performance notes to shipping temperature data, refining both process and packaging. Moisture creep under humid conditions once puzzled a major food buyer; together, we trialed a multi-layer inner liner, reducing packed KCl’s migration and keeping the product stable well past normal storage.

    For large-store agricultural users, we created a robust line of bulk-pack KCL that resists compaction. Each success or challenge recirculates, feeding design cycles and operations meetings straight from what users teach us in real production and application. Developing new KCl grades or modifying an existing model often begins with a single field complaint or a simple wish for fewer fine particles in a current blend.

    Direct Answers to Common Customer Questions

    We face questions each week: Will this KCl blend too quickly in a tank mix? Can this grade handle open-air storage for two months on a shipping dock near the equator? What is the exact magnesium count, and how consistent does it stay across ten shipments?

    The answers come from a combination of process know-how and long-running field tracking. For example, our agricultural grades hold typical magnesium levels below 0.3%, with sodium also closely watched. Due to product consistency, we’ve been able to guarantee performance in both brine solutions and dry blends, with quality drift kept close to laboratory thresholds year-round. When issues arise, adjustments are made at the source, not in marketing or paperwork.

    Meeting Modern Regulatory Demands

    Product labeling, trace impurity levels, and cross-contamination checks aren’t just a box-ticking exercise. Our production records provide audit trails for public health, food safety, and environmental standards. Certificates say the right things, but behind every certificate are decades of plant improvements, staff training, and response plans toughened by real-world incidents.

    We believe that every customer, whether working on a pilot project or running a major shipment through customs, should have straightforward transparency. Sharing what’s in each bag or bulk load, tracking allergens or contaminants, and producing proof of origin is not only required, but reflects the everyday honesty that keeps long relationships strong.

    The Real Value of Potassium Chloride from a Manufacturer’s View

    After thousands of production cycles, market swings, and regulatory reviews, potassium chloride remains a product built on reliability, learning, and honest feedback. Trends toward customized fertilizers, advanced food formulations, or stringent analytical standards push us to rethink and improve. Each KCl order ships with layers of experience, direct handling knowledge, and the sort of transparency that comes from sharing every success and challenge with end-users.

    Potassium chloride from a manufacturer’s bench is more than a mineral salt. Every crystal, every batch, every delivery stands as proof of what works—not just in laboratory tests, but in the hands of those who rely on it day after day.