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HS Code |
365145 |
| Chemical Name | 3,5-Dimethyl 2-chlormethyl pyridine hydrochloride |
| Molecular Formula | C8H11Cl2N |
| Molecular Weight | 192.09 g/mol |
| Cas Number | 116737-75-4 |
| Appearance | White to off-white crystalline powder |
| Melting Point | 155-158°C |
| Solubility | Soluble in water |
| Storage Conditions | Store at 2-8°C, keep container tightly closed |
| Purity | Typically ≥98% |
| Synonyms | 2-(Chloromethyl)-3,5-dimethylpyridine hydrochloride |
| Application | Pharmaceutical intermediate |
| Safety | Irritant, avoid contact with skin and eyes |
As an accredited 3,5-Dimethyl 2-chlormethyl pyridine.HCl factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The 100g chemical is packaged in a sealed amber glass bottle with a tamper-evident cap, labeled for laboratory use only. |
| Container Loading (20′ FCL) | 20′ FCL container loaded with securely packed, sealed drums of 3,5-Dimethyl 2-chlormethyl pyridine.HCl for safe chemical transport. |
| Shipping | 3,5-Dimethyl 2-chlormethyl pyridine.HCl is shipped in tightly sealed, chemically resistant containers to prevent moisture and air exposure. Packaging complies with hazardous material regulations, labeled with appropriate hazard and handling warnings. Transport is handled by certified carriers, ensuring safety and regulatory compliance throughout shipping and storage to prevent leaks or contamination. |
| Storage | 3,5-Dimethyl 2-chloromethyl pyridine hydrochloride should be stored in a tightly sealed container, protected from light and moisture, in a cool, dry, and well-ventilated area. Keep away from incompatible substances, such as strong oxidizers or bases. Store at room temperature, and ensure the container is clearly labeled. Proper personal protective equipment should be used when handling this chemical. |
| Shelf Life | 3,5-Dimethyl 2-chlormethyl pyridine.HCl has a shelf life of 2 years if stored in a cool, dry, tightly sealed container. |
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Purity 98%: 3,5-Dimethyl 2-chlormethyl pyridine.HCl with purity 98% is used in pharmaceutical intermediate synthesis, where high purity ensures minimal byproduct formation. Molecular weight 192.09 g/mol: 3,5-Dimethyl 2-chlormethyl pyridine.HCl with molecular weight 192.09 g/mol is used in heterocyclic compound construction, where precise molecular weight allows for accurate formulation. Melting point 116°C: 3,5-Dimethyl 2-chlormethyl pyridine.HCl with melting point 116°C is used in solid-phase organic reactions, where controlled melting behavior facilitates reaction set-up. Stability temperature up to 50°C: 3,5-Dimethyl 2-chlormethyl pyridine.HCl stable up to 50°C is used in temperature-sensitive processing, where thermal stability prevents decomposition. Particle size <20 µm: 3,5-Dimethyl 2-chlormethyl pyridine.HCl with particle size less than 20 µm is used in fine chemical dispersions, where small particle size enhances dissolution rate. |
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At our manufacturing facility, daily operations revolve around precision, process control, and making improvements to yield better products. 3,5-Dimethyl 2-chlormethyl pyridine.HCl entered our production line after repeated requests from industrial clients facing persistent bottlenecks with less pure or unstable alternatives. As a direct manufacturer, the focus lands on how our actions shape the performance and the safety standards for countless downstream customers, not only on what the product claims on paper.
We first encountered this compound during a project with a leading agrochemical client who demanded consistent chloromethyl functionality for intermediates. The 3,5-dimethylification influences reactivity just enough to be reliable in certain synthesis stages, cutting down on unwanted byproducts. In the lab, we learned that even slight batch-to-batch drift in methyl content can frustrate larger process runs, so we built strict monitoring protocols right into our process control. In-house batch archiving serves as insurance: if a client phones to ask about a decade-old order, we pull up archived spectra and batch records for review. This doesn’t just happen on its own, it takes long-term investment and an on-site analytics team that remains accessible to production.
We prepare 3,5-Dimethyl 2-chlormethyl pyridine.HCl in crystalline form because the more amorphous powders tend to pick up water during handling, which can shift physical characteristics or even alter reaction yields in downstream syntheses. Over time, we’ve seen that customers appreciate the predictable settling and mass flow when the solid crystals move through reactors or during weighing. Not all facilities have climate or humidity controls as strict as ours, so producing a stable crystal with tightly held HCl makes this material more user-friendly outside a university-level lab.
Clients in pharmaceuticals and crop protection face regulatory audits every year, and no one wants to hear about a hot spot or inconsistently reacting intermediate. Our work gives them peace of mind. Using dedicated reactors, we avoid contamination issues sometimes seen in facilities that swap production streams too frequently. The direct hydrogen chloride association in the salt not only improves the stability of the compound, it reduces respirable dust—a real factor when scaling beyond pilot plant. We switched our internal milling systems after observing airborne particulates near one filling line under bright light during an inspection. That investment led to much tighter control, and customer complaints about clumping or caking dropped to nearly zero.
Our technical staff always looks for signs that the material runs clean in practice. One example arose with a German customer producing a high-value antiviral that depends on this compound to start a multi-step synthesis. A slight impurity, undetectable without NMR, carried through and complicated downstream purification in their process. We mapped the impurity to a side reaction from an earlier batch. That led us to adjust reaction times and tweak the temperature profile, removing the source altogether. This sort of iterative feedback loop keeps our process in line with high-stakes end uses.
The field is crowded with pyridine derivatives, some cheaper, some pushed as drop-in replacements. The challenge is that small structural differences show up dramatically in performance. The difference between methyl placement at the 3,5-positions and, say, the 2,6-positions alters solubility and reactivity enough that you can’t just swap one compound for another without rewriting parts of your synthetic strategy.
Several clients have switched from unsubstituted 2-chlormethyl pyridine salts, attracted by the added stability and less volatility of the dimethyl variant. In practice, 3,5-Dimethyl 2-chlormethyl pyridine.HCl handles better under storage—less fume, less cake, and less yellowing. Oxidation resistance improves shelf life, so product sitting on warehouse shelves holds analytical integrity much longer. We have run dissolution studies showing that our compound goes into solution more consistently in standard organic solvents, speeding process times for formulation teams. Our plant regularly benchmarks performance against available alternatives, ensuring our compound exceeds the in-process and post-production demands that matter most to users.
We have learned that numbers alone rarely tell the full story. Downstream clients ask for both purity and information about impurities, so documentation always pairs assay data with actual chromatograms and spectra from their specific batch. This isn’t regulatory red tape, it’s how real manufacturing risk is managed: by trust in the supply chain, supported with transparent data.
Every 3,5-Dimethyl 2-chlormethyl pyridine.HCl batch receives high-performance liquid chromatography (HPLC) and gas chromatography (GC) clearances for purity targeting above 99%. Chloride content, water content by Karl Fischer titration, and residual solvent analysis round out the typical report. Users working in chemical synthesis depend on verified melting points and transition profiles; we report these from freshly produced product rather than from reference literature. During a recent scale-up project, we realized that using aging reference values caused some confusion, as subtle process changes can shift these metrics. By reporting from live data, our users catch potential fit issues early instead of retrofitting their process.
Many producers treat off-spec lots as a simple matter of rework or disposal; our approach looks to minimize this through direct, ongoing control. A global seed-protectant developer approached us after inconsistent results sourcing the compound from several brokers. Their processes tolerated little impurity drift. Our plant answered by offering in-line analytics and 24-hour feedback cycles during the first production runs, with the development crew from the client’s side sharing real-time results. Once confident in our repeatability, their teams reduced off-batch troubleshooting calls and reported higher finished product yields. We saw our approach validated by their success, and today, similar tight-coupled feedback loops run for all our major accounts.
The compound’s handling profile also differs from some close relatives: 3,5-Dimethyl 2-chlormethyl pyridine.HCl resists hydrolytic degradation better than non-methylated analogs. This characteristic means fewer worries during shipping or in humid climates. Our logistics feedback shows much lower incident rates related to product spoilage or container corrosion, which makes life easier for both warehouse managers and end users trying to avoid loss claims.
The ultimate driver of our methods comes from how the compound is really being used. In the field, this material mostly feeds into complex syntheses where failure at early steps means scrapped lots and wasted hours further down the line. Our direct connection to the manufacturing end user influences our bulk packaging methods. For example, transitioning from HDPE drums to lined steel containers prevented the slow diffusion of trace contaminants—a problem few realize until years of data identify the correlation.
A memorable instance involved a paint additive client who swapped to our drum-lined packaging after facing chronic stability problems under summer warehouse conditions. Their QC lead pushed for side-by-side trials, and the analytical results told a clear story: the lined barrels delivered measurable improvements even six months post-shipment, despite swings in outdoor temperature and humidity. These lessons reinforce how all the details, from process to packaging, connect to the outcome that matters for the user.
Over the years, we have grown the production of 3,5-Dimethyl 2-chlormethyl pyridine.HCl into a core competency. Some lessons, like the move from manual to semi-automated drying and milling, save labor and ensure a more reproducible product. Others, like direct pre-shipment sample sharing, simply build trust. Whenever we make a process change, analytical and process teams walk through side-by-side comparisons, with real samples passed to users under NDA. If the change yields an unexpected advantage, we document and offer it as an upgrade option.
Recently, we introduced a real-time impurity tracker, an idea prompted by one of our pharmaceutical partners. This software checks for trace formation beyond standard QC, flagging anomalies that older spot-check methods missed. We caught and resolved a carryover from a new solvent batch in our own records before it could reach a client—validation that technology investment directly limits downstream headaches. Each improvement, no matter how minor, translates into less operator effort, less end use frustration, and a more robust reputation for the product overall.
Scaling from pilot to commercial batches exposes challenges that never arise in the lab. One case in point: raw material impurities at high scale can shift the yield profile, meaning we partner closely with our own upstream chemical suppliers. Every delivery receives secondary spot-checks by our team, since even small variations in starting material reflect in measures like color, solubility, or reactivity of the finished product. The market often overlooks these realities, but lost yield or tough-to-isolate side products translate to costs for both us and the client.
Handling hydrochloride salts means corrosion and safety are daily realities. Over the years, several filling heads and drum closures in our packaging lines have needed upgrades. We switched to special alloy surfaces in high-wear areas, after noticing a gradual uptick in minor leaks and seepage. Documenting these incidents and modeling risk feedback keeps both our shop floor crew and every customer’s own team safer, with fewer training interruptions or unexpected regulatory encounters.
Most feedback about 3,5-Dimethyl 2-chlormethyl pyridine.HCl comes straight from the engineers, chemists, and operators handling the material on site: practical people who spot any deviation the moment it occurs. Their daily experience proves more valuable for us than market reports or reseller claims. One pharmaceutical group flagged minute shifts in melting behavior and color in back-to-back deliveries. That early warning system allowed us to isolate a reactor heating calibration issue—a fix that restored our consistency and avoided expensive production delays for the client.
Industrial chemists juggling multiple intermediates have specific views of what works and what causes headaches. This material, as they see it, affords flexibility in robust synthetic routes, but only if the supplier’s quality management keeps up. We constantly calibrate our operation to keep pace with these evolving customer requirements.
We stay in the loop with several key partners developing new applications for 3,5-Dimethyl 2-chlormethyl pyridine.HCl. Recent collaboration with a specialty polymer manufacturer revealed unique crosslinking advantages, thanks to the precise placement of methyl and chlormethyl functions. Although that insight came from outside our own labs, our production flexibility meant we could support their tailored purification strategies with only modest adaptation on our end. This type of open technical partnership helps us innovate, not by chasing the lowest cost per kilogram, but by building real-world usability into every step.
As more fine chemical users demand higher compliance and batch transparency, we keep evolving our supply chain methods. Overhauling traceability, for instance, led to the switch to digital certificate systems several years ago, letting clients audit batch records from their own offices in minutes. This eliminates the “black box” approach that sometimes frustrates end users who need concrete answers about lot history or analytical background in case of an incident.
After years devoted to the manufacture and continuous improvement of 3,5-Dimethyl 2-chlormethyl pyridine.HCl, our outlook reflects the reality that supply chain stewardship means more than specification compliance. Our actual goal is not merely to transfer a package from our loading dock to yours, but to support the integrity and progress of every process that material touches. Each insight, whether it comes from a new analytical tool, a process tweak, or a frank conversation with a bench chemist, shapes the way we produce, package, and support this compound.
In the end, chemical manufacturing earns trust the same way as any craft: by delivering on promises and standing behind each decision with facts, transparency, and commitment. 3,5-Dimethyl 2-chlormethyl pyridine.HCl serves as a daily reminder that it’s people, not paperwork, who turn basic intermediates into industry achievements. Our commitment is anchored in decades of listening, learning, and never underestimating the real-world challenges our clients face from first receipt to finished product.