|
HS Code |
443908 |
| Product Name | AR Potassium Dihydrogen Phosphate |
| Chemical Formula | KH2PO4 |
| Molar Mass | 136.09 g/mol |
| Purity Grade | AR (Analytical Reagent) |
| Appearance | White crystalline powder |
| Pack Size | 500g |
| Cas Number | 7778-77-0 |
| Solubility In Water | 33.6 g/100 mL (20°C) |
| Storage Conditions | Store in tightly closed container, in a cool, dry place |
| Usage | Analytical reagent, buffer solutions, fertilizers |
| Melting Point | 252°C |
| Ph Range | 4.4 - 4.6 (5% solution at 25°C) |
As an accredited AR Potassium Dihydrogen Phosphate 500g factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging is a white, opaque plastic bottle labeled "AR Potassium Dihydrogen Phosphate 500g" with a secure blue screw cap. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for AR Potassium Dihydrogen Phosphate 500g: Securely packed cartons, moisture-protected, standardized for stable international shipment and safe chemical handling. |
| Shipping | The AR Potassium Dihydrogen Phosphate 500g is securely packaged in a sealed, chemical-resistant container to prevent contamination and moisture ingress. It is shipped in compliance with safety regulations, ensuring safe handling and transportation. Proper labeling and documentation are included for identification and regulatory compliance during transit. |
| Storage | AR Potassium Dihydrogen Phosphate (500g) should be stored in a tightly closed container in a cool, dry, well-ventilated area away from moisture and incompatible substances. Keep it away from strong acids and bases. Store at room temperature, avoid direct sunlight, and ensure the container is clearly labeled. Follow all relevant safety and regulatory guidelines during storage and handling. |
| Shelf Life | The shelf life of AR Potassium Dihydrogen Phosphate 500g is typically 5 years when stored properly in a cool, dry place. |
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Purity 99%: AR Potassium Dihydrogen Phosphate 500g with Purity 99% is used in analytical chemistry, where it ensures high-accuracy titration results. Molecular Weight 136.09 g/mol: AR Potassium Dihydrogen Phosphate 500g with Molecular Weight 136.09 g/mol is used in buffer preparation, where it provides precise pH control. Melting Point 252°C: AR Potassium Dihydrogen Phosphate 500g with Melting Point 252°C is used in thermal analysis laboratories, where it maintains integrity under heat stress. Stability Temperature up to 150°C: AR Potassium Dihydrogen Phosphate 500g with Stability Temperature up to 150°C is used in high-temperature assays, where it offers reliable buffering capacity. Particle Size <150 µm: AR Potassium Dihydrogen Phosphate 500g with Particle Size <150 µm is used in chromatographic applications, where it ensures rapid dissolution and uniform mixing. Low Heavy Metals Content (<0.001%): AR Potassium Dihydrogen Phosphate 500g with Low Heavy Metals Content (<0.001%) is used in trace element analysis, where it prevents contamination and guarantees data integrity. Solubility 22.6 g/100mL (20°C): AR Potassium Dihydrogen Phosphate 500g with Solubility 22.6 g/100mL at 20°C is used in reagent preparation, where it achieves swift solution formation. pH (1% Solution) 4.5–4.7: AR Potassium Dihydrogen Phosphate 500g with pH (1% Solution) 4.5–4.7 is used in biochemical research, where it supports stable enzyme activity. |
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Working directly at the source, our production team sees every batch of Potassium Dihydrogen Phosphate from raw input to finished bottle. Here, AR Potassium Dihydrogen Phosphate, also known in science circles as KH2PO4, carries a reputation among serious labs and industries for a good reason. On the surface, it’s a white, crystalline material, but its value runs much deeper. We dedicate ourselves to producing laboratory-reagent grade phosphate, batch after batch, without relying on shortcut blends, fillers, or recycled stocks. Chemists trust us to deliver the absolute standard, as AR grade defines a high level of purity and minimal trace impurity.
A solid foundation starts with chemistry you can rely on. Our AR Potassium Dihydrogen Phosphate often sees use in general chemistry labs, biological buffers, water treatment analyses, and calibration routines. Many institutions—particularly universities and research labs—insist on it for accurate and repeatable measurements. Even small traces of contaminants can trigger outlier data, and we’ve invested heavily in quality controls and modern detection equipment to minimize inconsistencies batch-to-batch. Every 500g bottle reflects not just purity figures on a paper certificate, but the hands-on diligence of our QC chemists, their decades of collective experience, and a manufacturing process that expects no less.
Research-grade chemicals aren’t all built on the same foundation. In our experience, labs that care about trace metals, moisture sensitivity, or ionic background know that “AR”—Analytical Reagent—offers the best assurance. For our Potassium Dihydrogen Phosphate, that means ultra-low levels of calcium, iron, magnesium, or sodium, often far exceeding minimum published standards. These minute differences go unnoticed in field agriculture or bulk fertilizer markets, but inside a tight lab process, even microgram variations in impurity profiles show up in titration results or buffer stability.
Our 500g packaging aligns to a scale that makes sense for both frequent and occasional bench use—not so large that shelf life suffers, not so small that labs pay more for less material. We bottle under controlled humidity and temperature to discourage caking or premature moisture absorption. Some facilities demand this level of care for their stock solutions, which explains why many regulatory, water analysis, or bioscience groups come back to us year after year. Long-term stability matters as much as initial specification, and we never cut corners sealing or labeling product before shipment.
Many years ago, before we started using automated microbalances and modern powder handling systems, we saw occasional diverging test results between bottles produced on different lines or by different teams. Each adjustment—more rigorous drying cycles, finer sieving, deeper testing—has brought those results into line. Consistency is a moving target, always chasing technology improvements. With every new batch, our team now runs a long checklist: moisture control, trace metals, pH response, and solution clarity. Patterns in historical data often reveal themselves over long stretches, not short runs, and we retain reserve samples for months to validate every product’s compliance.
Our team doesn’t just rely on machines; veteran chemists constantly review trends, outliers, and test methods. No one gets complacent, because the science community expects the margin of error to shrink every year. If a shift does occur—maybe in the raw supply or purification stage—we spot these signal changes well before they ever result in a recall. This is the culture at the heart of our manufacturing floor: ownership, accountability, and a refusal to rush the process. The least convenient batch might take an extra shift to get just right. Customers trading on reputation expect nothing else from a direct manufacturer.
Having spent decades in chemical production, we know a reagent’s invisible impurities can derail sensitive applications. Potassium Dihydrogen Phosphate, with its roles in calibration, buffer preparation, or reference standards, brings these challenges into focus. During our years producing both technical and AR grades, we’ve watched how even trace arsenic, lead, or iron disrupt high-stakes analytic work. That’s why our QC protocols go far deeper than minimum specification, scanning for dozens of elements long after marketing brochures have been written. It’s not simply ticking boxes on a compliance sheet; it’s about repeatable performance every time the bottle is opened and measured.
Some customers mention failed experiments or miscalibrated pH meters linked directly to off-brand reagents. These stories drive our team to avoid any off-specification lots. A poor batch of phosphate can easily mask or mimic the effects of other ingredients in complicated assays. One compromised buffer recipe can ruin months of progress. Reliability has made us a preferred supplier for certified labs and regulatory institutions—their trust is earned not just once, but over many years of supply.
People sometimes ask: what’s really the difference between AR potassium phosphate and more common technical or food grades? We explain from our own vantage point—having produced and sampled thousands of runs across each kind. The AR label commands a high bar for purity, but that’s just the start. For food usage, the focus usually sits on heavy metal content and pathogen safety. Technical grades may allow more sodium or magnesium, coming in as byproducts during mineral extraction or crystallization. Analytical labs, in contrast, expect tight bounds on all impurities, including invisible levels of chloride, sulfate, or silicates.
It matters in practice. Many industrial applications—fertilizers, water softeners, cleaning formulations—work perfectly well with technical phosphate. These products offer a cost-effective solution where absolute purity isn’t critical. A researcher pushing for precise calibration or low-ionic background can’t afford any such latitude. We enforce stricter batch separation, repeated testing across different points in the production process, and more precise weighing and bottling for AR labeled products.
Contamination at the milligram level in a ton of product has no practical impact for bulk consumers, but it changes outcomes dramatically for a lab working at the milliliter or microgram scale. Years of feedback from universities and regulatory bodies confirm the investment: unreliable batches mean more repeat experiments, lost time, and unplanned costs.
Quality control isn’t just about lab equipment or paperwork—it starts with raw material selection and extends through every cleaning, drying, and packaging step. Over the years, we’ve transitioned from traditional open-air drying to tightly controlled environmental enclosures. Staff only open storage drums inside dedicated handling rooms. Operator discipline, including gloves, antistatic protocols, and batch-lot traceability, builds a record that every researcher or quality manager can trace.
Some would say automation solves most problems, but our plant blends hands-on expertise with robotics. No robot catches every grain of problematic dust, nor does automatic sealing replace a final human sweep for container integrity. Throughout the packing process, supervisors cross-check labeling accuracy and inspect for possible visible inclusions or caking. These mundane details have outsized effects: any mistake means ruined calibrations or failed batches at the customer’s bench.
Our staff take pride in this level of vigilance. Each production shift logs observations to a centralized database, and line managers meet weekly to trade reports and improvement ideas based on outcomes, not just quotas. The result: batches checked and signed off by real chemists, who personally vouch for the reliability behind the AR Potassium Dihydrogen Phosphate in every 500g bottle shipped.
Why 500g? As the factory team, we see the pattern in re-orders and feedback. This amount gives the right balance for both major lab operations and smaller specialty teams. Most lab workflows, especially in academia or contract test labs, require enough material for repeated preparations, but not so much that powder stays open for too long and picks up ambient moisture. For users calibrating daily or blending buffer solutions throughout a semester or research cycle, 500g lands right in the sweet spot.
We put care into every packaging run. Each bottle arrives with a tamper-evident seal and a moisture-tight cap, reducing the chance of clumping or contamination between uses. Some testing teams asked for secondary protective film to ensure storage stability, so we responded with multilayer sealing for shipment outside high-humidity regions. Avoiding cross-contamination at every turn, every single component touching the phosphate gets sterilized and checked by supervisors.
In long-standing collaborations with national reference labs, we’ve learned that “standard size” means something different for every workgroup. The 500g bottle adapts well, whether someone’s using a few grams a week or running full-scale pilot programs. No excess plastic, no oversized drums that sit and degrade on warehouse racks. Only what’s needed, processed and packed with the same care across every run.
Feedback from the field filters quickly back to our plant. Sometimes it’s a comment about an easier-to-open cap, other times it’s a story about consistent titration results after switching to our AR phosphate. Our engineers and quality leads read every report, discussing trends over time. We note not only the praise, but also the isolated incidents of dissatisfaction—then drill into them in our morning meetings. Every recurring concern, whether handling, solubility, or appearance, receives a rapid review and a protocol update if warranted.
Traceability matters when customers face audit, oversight, or grant reporting. We log every batch result digitally, linking the final packed bottle to its manufacturing lot, raw input, and all QC data. Inside our plant, the system tracks corrections, supplier changes, and process deviations in real time. No one has to chase lost paperwork; all the details live in our centralized records, ready to answer regulatory checks or user queries without delay. This transparency protects both us and the purchasers, building the kind of trust that keeps long-term clients.
Some customers comment on the clarity of our documentation or the speed of technical support. They often face testing demands from regulators, and gaps in traceability or nonconforming certificates spell headaches. Our system answers these concerns directly: all certificates reference actual test results, not templates, and our customer support team directly connects with manufacturing and QC leads. When concerns arise, we provide full breakdowns and can trace every step back through the production chain.
Environmental regulations and evolving lab protocols continue to shape how phosphate reagents get made and used. We’ve faced raw material supply crunches, shifting purity standards, and new demands for traceability. Every challenge brings upgrades: new sources for cleaner potassium salts, more sensitive instrumentation, and tighter controls throughout processing. Behind these changes stands a persistent commitment to substance, not shortcuts.
Cost pressures are a reality across diagnostics, environmental testing, and biochemistry. End users feel the pressure to economize, which sometimes triggers a move toward lower-grade materials. From our seat as the manufacturer, cutting corners never works in the long term. Unreliable phosphate means more troubleshooting, more failed experimental runs, and eventually higher costs. Our focus remains on providing the real AR-grade, produced and packed with no dilution or compromises.
With changing safety protocols and new audit requirements, information integrity becomes just as critical as product integrity. We constantly update our system to match global trends in digital records, batch barcode tracking, and compliance reporting. While many regulators allow for paper certificates, our digital records let labs audit their supply chain within moments, reinforcing confidence in the source and chain of custody.
Over the years, we’ve seen the difference that constant feedback, process upgrades, and hands-on oversight bring to the table. Every customer remark—whether requesting a new pack size or reporting a QC anomaly—hits our desks and prompts careful review. Our engineers and chemists pursue prompt solutions when problems arise, not simply paperwork. We’ve adjusted drying parameters, replaced input sources, and invested in better storage infrastructure because field users demanded higher standards.
Solving packaging complaints led to sturdier bottles and better caps. Addressing occasional clumping or caking required more storage humidity controls and enhanced sealing. Each response, though sometimes invisible to the consumer, feeds back into product evolution. Our AR Potassium Dihydrogen Phosphate represents this ongoing relationship—a dialogue between the building, the lab, and the end user.
From sourcing to shipment, we never gamble on process shortcuts. Trace elements, packaging strength, labeling clarity, and records are rigorously checked. Every bottle reflects not just chemical analysis, but the seriousness and pride of specialists who look beyond the balance sheet to the scientist using the compound on the other end.
Choosing the right phosphate isn’t about marketing spin, but about track records and lived experience. Each 500g bottle from our plant bears the marks of thorough production, testing, and review, built from decades in the chemical business. We listen, we adapt, and we keep pushing for tighter standards and better chemistry.
Inside universities, control labs, regulatory offices, and industry benchmarking sites, the arguments for AR quality echo: fewer failed audits, real experimental repeatability, and less time lost chasing down inconsistent results. In a world full of commodity chemicals and uncertain suppliers, our process stands apart, delivering what matters for the professionals who stake their reputations on every gram of potassium dihydrogen phosphate.
We’re not just selling a compound—we’re supporting outcomes, transparency, and the hard work of chemists everywhere. Everything we ship stands as a testament to that philosophy, and every challenge only renews our resolve. That’s what defines our manufacturing legacy, and why AR Potassium Dihydrogen Phosphate in its 500g bottles stays a cornerstone for those who demand substance and certainty in their reagents.