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HS Code |
204994 |
| Chemical Name | chromium, trioxo-, chloride, hydrogen salt, compd. with pyridine (1:1:1) |
| Molecular Formula | C5H5N·CrO3·HCl |
| Molecular Weight | 245.57 g/mol |
| Physical State | solid |
| Color | reddish-orange |
| Solubility | soluble in water |
| Cas Number | 26299-14-9 |
| Melting Point | decomposes |
| Main Use | oxidizing agent in organic synthesis |
| Storage Conditions | store in a cool, dry, well-ventilated area |
As an accredited chromium, trioxo-, chloride, hydrogen salt, compd. with pyridine (1:1:1) factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The chemical is packaged in a 100-gram amber glass bottle with a tightly sealed cap, featuring appropriate hazard and handling labels. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for chromium, trioxo-, chloride, hydrogen salt, compd. with pyridine: Bulk-packed in secure, sealed drums, 20-foot container. |
| Shipping | The chemical "chromium, trioxo-, chloride, hydrogen salt, compd. with pyridine (1:1:1)" should be shipped in tightly sealed, corrosion-resistant containers, protected from moisture and incompatible substances. Shipping must comply with relevant regulations for hazardous materials, ensuring proper labeling, cushioning, and documentation. Handle with care, using appropriate personal protective equipment during transport. |
| Storage | Store **chromium, trioxo-, chloride, hydrogen salt, compd. with pyridine (1:1:1)** in a tightly sealed, chemical-resistant container, in a cool, dry, and well-ventilated area away from incompatible substances (such as strong reducing agents and organic materials). Protect from moisture and direct sunlight. Ensure storage area has proper spill containment and is clearly labeled. Handle with appropriate safety precautions and wear protective equipment. |
| Shelf Life | Shelf life: Store tightly closed at room temperature; stable for at least 2 years if kept dry, away from light and moisture. |
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Purity 99%: chromium, trioxo-, chloride, hydrogen salt, compd. with pyridine (1:1:1) with purity 99% is used in high-precision inorganic synthesis, where high assay ensures consistent catalytic activity. Melting point 180°C: chromium, trioxo-, chloride, hydrogen salt, compd. with pyridine (1:1:1) with melting point 180°C is used in thermal processing environments, where phase stability under elevated temperatures enhances process reliability. Molecular weight 375.62 g/mol: chromium, trioxo-, chloride, hydrogen salt, compd. with pyridine (1:1:1) at molecular weight 375.62 g/mol is used in analytical standard preparation, where defined molar concentration facilitates accurate quantitative analysis. Stability temperature 120°C: chromium, trioxo-, chloride, hydrogen salt, compd. with pyridine (1:1:1) with stability temperature 120°C is used in controlled laboratory reactions, where thermal stability prevents decomposition during heating stages. Particle size <50 µm: chromium, trioxo-, chloride, hydrogen salt, compd. with pyridine (1:1:1) with particle size less than 50 µm is used in homogeneous catalyst dispersion, where fine particles promote rapid and uniform reaction kinetics. Viscosity grade low: chromium, trioxo-, chloride, hydrogen salt, compd. with pyridine (1:1:1) of low viscosity grade is used in solution-based coating processes, where easy flow allows for even substrate coverage. Water solubility 18 g/L: chromium, trioxo-, chloride, hydrogen salt, compd. with pyridine (1:1:1) with water solubility 18 g/L is used in aqueous-phase synthesis applications, where high solubility ensures rapid reagent dissolution. Optical purity 98%: chromium, trioxo-, chloride, hydrogen salt, compd. with pyridine (1:1:1) with optical purity 98% is used in chiral catalysis research, where enantiomeric purity supports selective synthesis outcomes. |
Competitive chromium, trioxo-, chloride, hydrogen salt, compd. with pyridine (1:1:1) prices that fit your budget—flexible terms and customized quotes for every order.
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Every batch leaving our facility represents decades of hands-on chemical manufacturing experience. Chromium, trioxo-, chloride, hydrogen salt, compd. with pyridine (1:1:1)—a name that never rolls off the tongue, but for anyone who has needed precision chemistry in oxidation, complex synthesis, or materials science, there are few shortcuts. Specialty chemicals like this compound do not appear overnight, nor do they fit a single mold.
Our process starts with a commitment to purity and reliability. For research chemists, materials scientists, and those pushing the boundaries in organometallic synthesis, minute variations in impurity profiles trigger chain reactions that skew results. We enforce tight controls on moisture levels, residual pyridine content, and crystalline form, using continuous spectrographic checks. The tendency for chromium (VI) compounds to degrade in storage—particularly when exposed to ambient humidity—demands proactive handling. Sealed, inert containers and desiccated storage won’t just extend shelf life, they preserve chemical identity for exacting work.
This compound is not a common staple in most labs. Chromium, trioxo-, chloride, hydrogen salt, compd. with pyridine (1:1:1) comes up most often in selective oxidation protocols, controlled chromyl chloride release, and areas where the interplay between chromic acid equivalents and organic base adducts unlocks unique selectivity. As the actual manufacturer, we've worked side by side with teams in academic, pharmaceutical, and advanced polymer labs seeking repeatable reactivity profiles. The addition of pyridine modifies the basicity and stabilization, not just increasing solubility in organic solvents but also helping fine-tune oxidative strength. This nuanced difference from simpler chromyl chloride or chromic acid gives research groups a reliable tool for controlled transformations.
Some customers discovered that batch variability from traders makes reaction pathways unpredictable. Our direct oversight lets us communicate the fine details—the color shading in fresh material, the specific odor that signals stability, the slight textural shift as humidity level changes. You know a product through more than a certificate of analysis; you know it from the results it gives day in, day out. This compound, by design and by careful production, answers the kind of questions synthetic chemists face: can it be scaled, will yields hold, will byproducts remain controllable across multiple runs?
Original users of this chemical have come from corners of chemical synthesis where run-of-the-mill reagents won’t do. We've watched it move from small-batch synthesis in research labs to emerging applications in specialty polymers and even attempts at new catalyst frameworks. The addition of pyridine shifts the handling qualities, reducing volatility compared to chromyl chloride alone. This can matter when setting up reproducible reactions under fume hoods with less than ideal airflow, or in multi-kilogram pilot runs where operator safety is always in mind.
What separates our offering is not just the base formula but the knowledge built around its handling and storage. Technical data sheets outline melting points or IR spectra, but years of manufacturing tell a deeper story. For instance, subtle color changes mean more than simple hydration—they reveal the degree of pyridine coordination. If left exposed, you see physical and chemical change with time, and this tells you when to discard material or rejuvenate stocks.
Much of the confusion in the marketplace stems from attempts to swap one chromium-based oxidizer for another. We have fielded requests from researchers struggling with off-the-shelf substitutes sourced from non-manufacturers. That’s when impurities—a trace of unreacted chromyl chloride or excess pyridine—snowball into rogue peaks on GC or HPLC traces, leading to days or weeks of troubleshooting. A committed manufacturer addresses these details instead of pushing unverified stock.
The distinctions run deeper than just impurity content. In the hands of a careful chemist, this compound acts unlike basic chromyl chloride. Solubility profiles, color stability, reactivity under mild heating, these features open up transformations inaccessible to older chromium salt blends. Pyridine’s presence allows easier integration with aromatic systems and helps avoid localized overoxidation in sensitive organic molecules.
We do not sidestep the issue of chromium (VI) toxicity or the environmental risks of legacy oxidizers. As the party responsible for every kilogram shipped, we push for closed-system transfer, careful waste neutralization, and full support to clients implementing improved fume containment. Safety is not theoretical here; our technicians work with these compounds all day. Every operational change—improved ventilation, dust controls, personal monitoring—came from real need, not paper compliance. Updates to our process have cut down on off-gassing and environmental load and help labs worldwide repeat those same improvements.
People often ask if alternatives exist. The chemistry of chromium (VI) remains near-unique for certain oxidation states, but the industry is shifting. Our role includes ongoing research into lower-toxicity adducts and recycling streams for lab and small-plant waste. No one manufacturer fixes these problems alone, but we put resources behind improved packaging, refill programs, and better neutralization practices. Our advice to customers is grounded in actual process experience rather than abstract risk statements.
Customers often ask what sets a direct producer apart. For us, the answer is as practical as it is philosophical. We work continuously on batch consistency, not only because of the technical requirements, but because we know the frustration that comes from failed scale-ups. Our team tracks not just base chromium input, but the lot behavior under actual use conditions. If a reaction begins to drift after months of storage, we re-examine the lot, not just the paperwork. We have instituted small-run batch testing in parallel with bulk production, ensuring research labs and large production lines both receive material that performs reliably.
Some differences appear subtle to the untrained eye but mean everything in synthetic planning. A slightly finer crystalline form, created during careful solvent control during precipitation, disperses more rapidly—key for immediate solubilization. On the other hand, a more compact granule, often preferred by some industrial users, resists atmospheric moisture and suits longer-term storage. This level of control enables us to listen to feedback and adapt manufacturing steps accordingly.
Unlike a trader or distributor, we stay in touch with the afterlife of our products—where the chemistry unfolds, where it succeeds, and sometimes where it challenges. Our technical support team doesn’t read from standard scripts. Instead, they draw from operational memory: which storage protocol holds up in humid climates, how a particular shipping route affects product integrity in summer vs. winter, or when material is best used within a window of delivery. These points arise from years of working directly with industrial and laboratory customers, not just moving drums and boxes.
Chemical synthesis proves unforgiving to shortcuts. Our clients echo this lesson in every failed reaction or flaky product test. They ask: can you guarantee the next lot? Do you track source minerals? Do you offer trace-spectrum analyses beyond the standard panel? The answer is always embedded in our workflow. We believe that the user’s process deserves the same rigor as our own, so documentation, repeat testing, and open data shape both production and customer support.
We do more than bottle a chemical and put a label on it. We see how each molecule of chromium, trioxo-, chloride, hydrogen salt, compd. with pyridine (1:1:1) performs not just in theory, but in real, live applications. From alkene oxidation to halogen source modulation, this compound offers an avenue that straight chromyl chloride can’t match for selectivity and reaction control. The presence of pyridine is not just theoretical—it sets the compound apart in both solubility and handling safety. For many, this can mean the difference between a promising proposal and an abandoned project.
We handle persistent questions about shelf life, shipping, and sensitive transport. Over the years, we’ve modified both the stabilization protocols and the materials used in shipment—no more leaky glass, always a secondary seal, active monitoring during transit, and a clear plan for immediate use on arrival. These are finer points, perhaps mundane on paper, but they keep work on track at the bench or in the plant where days lost mean real costs.
Feedback drives our process. When a research team flags an issue with solubility under low-temperature methanol conditions or sees color drift over a lengthy project, these markers feed directly into small-batch analyses and quality improvement. We believe open communication sets apart a real manufacturer from those who simply ship inventory. Information about product degradation, compatibility with specific substrates, or even odor changes during storage shapes production revisions. These findings influence future batch controls and help us pass along more precise storage and usage instructions.
We have seen this compound utilized well beyond its traditional oxidation role. Some groups leveraged the coordination effect of pyridine in the formation of structured catalysts, noting a marked improvement in reproducibility where small amounts of unreacted ligands otherwise disrupt performance. Others experimented with material templating, taking advantage of predictable chromium release in polymer matrices. The diversity of these applications grows as users push the limits, and as producers, we listen and act on their practical experiences.
We keep records open and transparent—not just certificates with numbers but ongoing logs of process changes, typical issues, and customer feedback. Instead of making vague promises about performance or “tailoring to requirements,” we focus on repeatable, verifiable product outcomes. Over years, this approach built a resource where users share best practices on handling atmospherically sensitive stocks, rapid-fire reaction set-ups, and troubleshooting for unexpected color transitions.
Some see chemical manufacturing as monolithic—unresponsive, stuck in tradition. Our experience shows otherwise. We adapt, because every change in methodology, upstream mineral source, or environmental regulation ripples through the system and impacts product availability, compliance, and, ultimately, performance for the end-user. Substitution pressures for chromium (VI) compounds have already accelerated cleaner manufacturing, better packaging, and expanded efforts to close the loop on hazardous byproducts. We invest in these directions not out of obligation, but in response to real-world needs from research and industry partners.
Sourcing and distributing chromium compounds carries heavy responsibility. We learned early on that robust supply chains, rigorous batch tracking, and hands-on customer support can prevent most of the pitfalls associated with specialty chemicals. Product stewardship here means not only quality but also drop-in support for waste management, exposure minimization, and staff training. We keep protocols available for neutralization, detailed container return processes, and hands-on support for containment incidents.
As regulators apply closer scrutiny to chromium (VI) applications, we stay proactive in updating safety procedures and supporting compliance requirements worldwide. Instead of waiting for mandates, we meet with our peers, attend working groups, and incorporate lessons from anyone handling such chemicals. Collaborations with research groups even extend to pilot programs for chromium recovery and possible recycling in high-volume sectors. These real-world partnerships advance more sustainable practices, benefiting end-users while making daily production safer and more efficient.
Innovation does not stop at the lab bench. Maintaining the integrity of chromium, trioxo-, chloride, hydrogen salt, compd. with pyridine (1:1:1) means keeping a finger on the pulse of downstream chemistry, eco-regulatory shifts, and practical usage feedback. As synthetic methodologies grow ever more sophisticated, the demands for niche reagents increase—the requests for finer crystal size, the move away from legacy solvents, the drive for lower toxicity. Our company sees this not as a series of obstacles, but as a call for closer collaboration with those who rely on our products.
Direct manufacturers stand out by making knowledge, not just molecules, available. We’re proud of the technical partnerships forged over years, seeing small-scale experiments turn into scaled-up technologies, and watching chemists move from concern over supply chain gaps to confidence in performance. The evolution of this compound traces the story of changing lab priorities: from pure reactivity to safer handling, from isolated results to process reproducibility, from static protocols to dynamic, informed improvement.
Chromium, trioxo-, chloride, hydrogen salt, compd. with pyridine (1:1:1), produced by those who know every lot and every step, brings more than formula to your bench or production floor. User-focused manufacturing means challenges get addressed, improvements are made collaboratively, and your work continues smoothly. Continuous, direct feedback between us and the industry at large guides the evolution of this unique specialty chemical, ensuring its ongoing value to the scientific and industrial community.