|
HS Code |
509880 |
| Chemical Name | Magnesium Carbonate |
| Chemical Formula | MgCO3 |
| Molar Mass | 84.31 g/mol |
| Appearance | White, odorless, crystalline powder |
| Solubility In Water | Insoluble |
| Melting Point | 350 °C (decomposes) |
| Density | 2.958 g/cm³ |
| Purity | Reagent-grade (typically ≥ 98%) |
| Cas Number | 546-93-0 |
| Storage Conditions | Store in a cool, dry place in a tightly closed container |
| Ph | Approximately 9-10 (saturated solution) |
| Synonyms | Magnesite |
As an accredited Reagent-Grade Magnesium Carbonate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | A white, sealed HDPE bottle labeled "Reagent-Grade Magnesium Carbonate, 500g," tamper-evident cap, batch number, and safety information printed. |
| Container Loading (20′ FCL) | 20′ FCL: Securely packed in 25kg bags on pallets, total 20 metric tons per container, compliant with reagent-grade handling standards. |
| Shipping | Reagent-Grade Magnesium Carbonate should be shipped in tightly sealed containers to prevent moisture absorption and contamination. It is non-hazardous but should be handled with standard laboratory precautions. Ship at ambient temperature, protected from water, acids, and strong oxidizers. Ensure packaging is labeled in accordance with regulatory and safety guidelines. |
| Storage | Reagent-grade magnesium carbonate should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from moisture and incompatible substances such as acids. Protect it from direct sunlight and sources of ignition. Proper labeling and segregation from food and strong oxidizers are essential to maintain chemical stability and safety in the storage environment. |
| Shelf Life | Reagent-grade magnesium carbonate typically has a shelf life of 3–5 years when stored tightly sealed in a cool, dry place. |
Competitive Reagent-Grade Magnesium Carbonate prices that fit your budget—flexible terms and customized quotes for every order.
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Years of working with precision-driven customers have made clear that Reagent-Grade Magnesium Carbonate fills a very specific role in laboratory and industrial environments. Reliable analytical results don’t happen by chance; they come from using material that won’t skew data or introduce background interference. Our method for producing this compound starts with close scrutiny from the earliest steps, right down to raw ore selection and controlled conversion techniques. The product reaches the lab as a finely milled white powder, with purity levels that meet or exceed the tough criteria set by leading international reagent standards.
Anyone familiar with commercial grades sees the difference immediately. Industrial magnesium carbonate often arrives with higher levels of silicate, sulfate, iron, or heavy metal contaminants because it’s meant for bulk applications—think construction, rubber, or fire retardants. By contrast, Reagent-Grade material targets less than 0.01% impurity content for key elements, typically confirmed through both X-ray fluorescence and wet chemical tests. Each batch leaves our facility backed by a certificate of analysis showing exacting levels of magnesium oxide concentration, precise pH, and trace metals.
Getting reproducible measurements in titration or spectroscopy relies on more than the purity: physical properties affect outcomes, too. Granule size distribution plays a role in solubility and filtration speed, so we control drying, grinding, and sieving in a dedicated closed system, separate from our lower-grade lines. Low dust, high flowability, and the absence of agglomerates translate to less equipment cleaning and more dependable weighing for technicians. After feedback from dozens of university and government labs, we know consistency in texture stops routine workflow headaches.
Magnesium carbonate of this grade anchors many classic analytical protocols. Analytical chemists rely on it as a secondary standard in acid-base titrations, where batch-to-batch consistency lets them calibrate accurately. It serves as a key drying agent or neutralizing base under conditions where contaminants would poison catalysts or precipitate unwanted salts. University teaching laboratories prize it for demonstrations that require safe, reliable results reproducible across many student groups. Pharmaceutical quality control groups run it as a blank or diluent, counting on the absence of any peaks on chromatograms. We have also seen its demand ramp up with the growth in advanced materials research and high-purity ceramics.
We make our Reagent-Grade Magnesium Carbonate available under the reference model MC-RG-99, reflecting the 99%+ purity benchmark by mass as measured by gravimetric and atomic absorption methods. Batch analysis extends to sodium, potassium, chloride, sulfate, boron, iron, copper, and lead, since even trace ppm levels shift sensitive testing. Most customers order the standard mesh size (80–120 mesh), based on performance evaluations showing it dissolves optimally in both dilute and concentrated acid. There’s little ambiguity in these numbers because they’ve grown out of hundreds of conversations with laboratory managers and quality control staff.
Anyone who’s spent time with fine reagents knows that purity alone doesn’t guarantee practical usability. Magnesium carbonate tends to pick up moisture if left exposed, which can skew both mass and concentration figures. Our production lines operate in an environment that holds steady at less than 35% relative humidity, and product fills into high-integrity screw-cap containers soon after quality approval. Decades in the warehouse taught us that double sealing and desiccant packing provide the best safeguards without adding unnecessary weight or waste. Unopened, our powder shows stable assay results for years—often outlasting its shelf-life guarantee without forming clumps or shifting in color.
Control of contaminants must begin upstream; reliance on remediation steps after production misses critical sources. We work with a steady network of raw magnesite and dolomite miners who supply tightly specified ore lots, rejecting any load that falls outside our threshold for iron, manganese, or trace silica. Our commitment shows up in the measurable outcome: iron content rarely exceeds 0.003% and silicate measures well below the limit that frustrates acid reactions. Sulfate often lurks as a hidden impurity in less controlled supply chains; our process—based on carbon dioxide gas precipitation and controlled washing—helps purge both soluble and insoluble contaminants before the drying phase. As testimonial, many long-term users have shared feedback noting the difference when switching from technical grade sources, especially in their blank and control samples.
One of the most frequent questions we hear from procurement specialists involves the difference between our product and “pharmaceutical grade” materials. Both call for high-purity standards, but Reagent-Grade Magnesium Carbonate aims for stricter impurity profiles suited for analytical work, rather than simply meeting toxicity or therapeutic requirements. Trace metals and soluble iron matter far more in an analytical standard than they do in most bulk pharmaceutical processing. We steer buyers to the appropriate grade for vitamins or antacids, but scientists running high-precision analytical work typically require the tighter controls of our reagent grade material.
For experimenters designing reproducible work, nothing derails a project faster than a base material with hidden variability. We work with a range of academic and private research groups testing everything from environmental water samples to rare earth separation chemistries. Each one demands that our batches match the last—across pH, density, and microcontaminant profile. Our in-line sampling program checks lots at key points in the process, enabling rapid course-correction and maintaining confidence from clients whose results must stand up to peer review. Technicians have given feedback citing increased throughput and fewer failed runs since making the switch.
Modern laboratories want more than just a bag of finely milled chemical powder; they want traceability for regulatory or audit needs. Each MC-RG-99 batch number links to a detailed production record, showing source ore composition, processing steps, and all third-party laboratory results tied to that specific production window. Our quality team reviews these logs weekly, and customers requesting additional data for method validation usually get responses within a single working day. This transparency is a key reason why we see repeat business from international partners running GLP and ISO 17025 certified facilities. The data trail allows labs to defend their choice of materials in any regulatory or scientific forum.
Direct feedback from experimental scientists, QA managers, and educators shapes the ongoing evolution of our magnesium carbonate line. Longevity in business showed us that real progress comes through incremental, customer-driven tweaks rather than radical overhauls. As an example, improvements in cap threading and liner material came out of a conversation with an institute in Montreal that saw caking on old-style closures. We have updated internal labeling to include QR codes linking to full digital batch records, after a major pharmaceutical client asked for paperless traceability. Over the years, subtle changes to grinding parameters and container sizes have reduced waste and improved ease of storage.
Assuring consistent purity in magnesium carbonate involves multiple analytical methods, each suited to a particular class of potential contaminant. We confirm magnesium oxide content through EDTA titration, cross-referencing against atomic absorption for redundancy. Each batch runs through a panel of trace metals testing using both wet chemistry and ICP-OES, ensuring that elements including iron, lead, and arsenic fall well under typical allowable limits. Sulfate, chloride, and other soluble impurities require classic gravimetric methods, and all data passes through independent review before batch release. Our analysts receive training in both classical and modern techniques, giving us flexibility to meet evolving standards without gaps.
Our own experiences—and repeated stories from clients—make clear that storage and handling affect reagent reliability as much as in-factory processing. Magnesium carbonate picks up ambient moisture, especially in high-humidity climates. Laboratory managers report best results by keeping opened bottles tightly capped and working from small, regularly replaced aliquots to prevent cross-contamination. We prepare custom advice for bulk buyers in coastal or tropical regions, offering higher barrier packaging and sometimes polarized polypropylene liners on request. For teaching labs and smaller users, the 250g format hits a sweet spot for volume and shelf-life, minimizing both waste and incident potential.
Ongoing changes in laboratory safety regulations globally have made documentation and assurance of safety data a key priority. Magnesium carbonate, even at reagent grade, remains a relatively low-toxicity inorganic powder, provided exposure remains within sensible limits. The fine particle size means attention must focus on dust avoidance and respiratory protection in larger operations. We include GHS-compliant safety labels, and our product literature addresses all known regulatory obligations, including European REACH and US TSCA where applicable. Regular audits by third-party safety consultants help us keep current and aware of new guidelines that affect our clients’ handling procedures.
The pressure to deliver scientific results with statistical significance increases every year, driven by both grant agencies and industry competitiveness. Using a stable, reliably analyzed base material like Reagent-Grade Magnesium Carbonate lets labs put more attention on their core research, rather than cleaning up surprises from unknown contaminants. Over the past decade, we have seen university groups move away from “acceptable alternative” grades due to frequent analytical errors, particularly in trace ion research and environmental monitoring. With documented performance, researchers improve reproducibility—a major concern in fields ranging from materials synthesis to pharmaceutical formulation.
Off-the-shelf grades cover a majority of tasks, but specialized methods sometimes require deviations from the typical product line. Over several years, we have produced custom particle-size distributions for filtration studies, non-standard packaging volumes for high-throughput robotics, and pre-weighed single-use sachets for field-testing programs. Our technical support staff maintains a dialogue with method developers in academia, keeping current with published protocols that drive new requirements. For high-sensitivity applications, we can process to even tighter impurity thresholds or supply documentation tailored to regulator or journal needs. Years in this business have taught that adaptability sustains long-term relationships.
Manufacturing reagent-grade chemicals, especially in high volumes, comes with environmental responsibilities. We source electricity from renewable sources and recycle water from washing steps, reducing overall consumption and discharge. Non-conforming product gets safely neutralized and routed for industrial use rather than landfill. By-products, mostly minor magnesium and calcium residues, find reuse in agricultural lime or waste-water treatment. We maintain transparency with clients interested in sustainability, supplying life cycle data where available and keeping audits open for review. Our plant’s environmental performance receives annual third-party review, reflecting a commitment to chemical stewardship as well as product purity.
Sales data only tell part of the story; the real point of pride comes from seeing our reagent play a supporting role in genuine scientific advances. We have supplied batches for everything from carbon sequestration studies to calibration of new mass spectrometry platforms. Research teams frequently share acknowledgments or published papers, which we circulate internally as motivation. Our staff includes several former laboratory scientists, so the sense of mission resonates beyond just technical specification. We understand the importance of failures avoided, time saved, and cleaner baselines delivered by a dependable chemical source.
New analytical techniques and emerging fields keep raising the bar for chemical quality and documentation. We keep equipment current and invest in ongoing analyst training, both to improve reproducibility and seize new opportunities. Collaborations with regional universities give us access to advanced instrumentation and the ability to run cross-validation studies, learning from fresh applications of our magnesium carbonate. As research shifts toward ever more demanding standards, we adapt our processes to keep pace, never assuming that current performance will remain “good enough.” Our customers’ feedback and future requirements guide new investments, whether in process control, purity testing, or digital documentation.
Producing Reagent-Grade Magnesium Carbonate at scale calls for continuous improvement, not just meeting a static checklist. Our decades of hands-on experience across both research and production settings drive every element of the process, from ore selection to shipping documentation. Working directly with the end users keeps us responsive to the needs of today’s scientists, regulatory staff, and educators, while remaining alert to the evolving challenges in chemistry, quality management, and environmental responsibility. Each batch heading to a customer delivers the cumulative benefit of thousands of conversations, trials, and incremental upgrades—a level of reliability that can only arise from genuine manufacturing commitment.