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HS Code |
804661 |
| Chemical Name | Monomethylamine Hydrochloride |
| Synonyms | Methylammonium chloride |
| Chemical Formula | CH5N·HCl |
| Molecular Weight | 67.52 g/mol |
| Appearance | White crystalline powder |
| Solubility In Water | Very soluble |
| Melting Point | 231 °C (decomposes) |
| Ph | 4.5 (50 g/L, H2O, 20 °C) |
| Cas Number | 593-51-1 |
| Odor | Ammoniacal |
| Stability | Stable under normal conditions |
| Storage Conditions | Store in a cool, dry place |
| Hazard Classification | Irritant |
| Boiling Point | Decomposes before boiling |
| Density | 0.98 g/cm³ |
As an accredited Monomethylamine Hydrochloride factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Monomethylamine Hydrochloride is packaged in a 500g high-density polyethylene (HDPE) bottle with a tamper-evident screw cap and hazard labeling. |
| Shipping | Monomethylamine Hydrochloride should be shipped in tightly sealed containers, protected from moisture and incompatible substances. It must be clearly labeled as a hazardous chemical and typically transported according to local, national, and international regulations for hazardous materials. Proper documentation and handling procedures must be followed to ensure safe delivery. |
| Storage | Monomethylamine Hydrochloride should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers and bases. Protect it from moisture and direct sunlight. Store at room temperature and ensure the storage area is equipped with appropriate spill containment and ventilation to prevent accumulation of fumes. |
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Purity 99%: Monomethylamine Hydrochloride with 99% purity is used in pharmaceutical synthesis, where it ensures high reaction efficiency and product consistency. Molecular weight 67.52 g/mol: Monomethylamine Hydrochloride with a molecular weight of 67.52 g/mol is used in agrochemical formulations, where it enables precise dosage and formulation balance. Melting point 231°C: Monomethylamine Hydrochloride with a melting point of 231°C is used in organic synthesis, where it provides thermal stability during high-temperature reactions. Particle size <50 microns: Monomethylamine Hydrochloride with particle size below 50 microns is used in specialty chemical manufacturing, where it ensures rapid solubility and uniform dispersion. Stability temperature up to 180°C: Monomethylamine Hydrochloride with stability temperature up to 180°C is used in resin production, where it maintains chemical structure under process conditions. pH 4.0 (1% solution): Monomethylamine Hydrochloride with pH 4.0 in a 1% solution is used in laboratory reagents, where it provides consistent buffering capacity for analytical accuracy. Water solubility >50 g/100 mL: Monomethylamine Hydrochloride with water solubility greater than 50 g/100 mL is used in dye intermediates production, where it maximizes reactant availability and product yield. Low residual moisture <0.5%: Monomethylamine Hydrochloride with residual moisture below 0.5% is used in the fabrication of electronic chemicals, where it prevents interference during sensitive device manufacturing. High assay >99.5%: Monomethylamine Hydrochloride with an assay above 99.5% is used in peptide synthesis, where it guarantees reagent integrity and reproducible sequencing outcomes. Odor threshold <1 ppm: Monomethylamine Hydrochloride with an odor threshold below 1 ppm is used in fragrance ingredient processing, where it minimizes contamination risk and improves end-product purity. |
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We’ve come to rely on a select group of raw materials in our facility, and Monomethylamine Hydrochloride has held a steady place among them for decades. In actual daily production, the reputation of a chemical rarely comes from marketing claims or a glossy spec sheet. Instead, steady hands, trained noses, years of feedback from plant technicians, and requests from long-term industrial clients shape our view. Monomethylamine Hydrochloride—often labeled as MMA·HCl or methylamine hydrochloride—serves many roles. Whether customers develop active pharmaceutical ingredients, specialty surfactants, alkylation intermediates, colorants, or agricultural protectants, this salt promises a tight range of properties thanks to its single methyl group attached to an ammonia molecule, complexed with hydrochloric acid.
From batch to batch, our MMA·HCl emerges as a white and sometimes faintly translucent crystalline solid with a slightly amine odor—an unmistakable note for anyone who’s ever walked the chemical’s storage aisle. Chemists in our quality labs check purity with a regular hand; detection equipment must register clear, predictable values. Typical specifications sit above 99% purity for the main content, with low limits on moisture and traces of free amine. The pH in aqueous solution fits the nicotine-tinged memory of any operator who’s added a little too much base and watched it shift. Particle size, bulk density, and solubility influence its use further downstream—our consistency means customers avoid headaches in scaling or compounding.
If you visit our production floor, you’ll notice operators are more focused on the feel of the finished product in their gloved hands than the theory behind the molecule. Those who’ve handled cheap or poorly processed lots tell stories of sticky clumps, non-uniform melting, or unwanted discoloration. We minimize these troubles by keeping our batch crystallization tight and controlling drying conditions by both temperature and airflow. A seasoned eye looks for powder that pours like dry table salt and forms heaps with clean edges when scooped.
Any hydrochloride salt will absorb ambient moisture if left exposed. Our packaging lines—tested with real-world transport simulation—opt for double-sealed liners and robust outer drums to hold off humidity during storage and shipping. We learned this the hard way years ago, after a summer freight shipment to a pharmaceutical client picked up excess water and clumped by the time it arrived. Since then, we mix technical improvements with small but critical checks, like container weight control and liner change logs.
The most direct uses of Monomethylamine Hydrochloride show up in company orders that demand high reproducibility, not just high assay. In pharmaceutical intermediate synthesis, the margin for error is slim; a deviation in purity or water content can derail a multi-step reaction or threaten regulatory compliance. Formulators making agrochemical agents need steady, predictable dissolution and minimal impurities, or else their own blends fail downstream compatibility checks. Our product has to pass not only internal tests but repeated audits from long-standing partners, often with their own inspectors present.
We see regular requests for special lots too. Some partners ask for finer powder to enhance reactivity or accelerate dissolution for a proprietary step. Others need larger granules to minimize dust during transfer or mixing. We keep a separate production lane for these requests, operating with dedicated sieves and bulk handling, preventing cross-contamination and fulfilling traceability requirements for those in regulated industries.
Laboratory-scale buyers want compact packaging, often with high-clarity labels and batch certificates, because even a few grams can mean months of work or a potential patent application. We support these runs with extra focus on lot verification, as feedback from academic and industrial R&D helps us correct issues before they scale into problems affecting tons of annual output.
Anyone who’s worked with other alkylamine hydrochlorides sees differences as soon as they lift the lid. Dimethylamine hydrochloride, for example, forms under a similar principle but carries that extra methyl group, shifting its volatility and the nature of its interactions in organic synthesis. Trimethylamine hydrochloride steps up with a stronger odor and a chunkier crystalline character, even before comparing the way these materials dissolve or react in real applications. We find that MMA·HCl offers the best blend of volatility control and clean reactivity for many users—a sweet spot that neither the straight amine nor higher alkylated versions provide.
From a manufacturer’s standpoint, we measure more than just chemical differences. Handling risks, regulatory reporting, and transportation requirements vary with the number of alkyl groups. MMA·HCl, in particular, fits many “preferred practice” lists because its risk profile is lower than volatile free methylamine gas, yet it easily releases back to the free amine under controlled conditions. This property supports laboratories and batch plants where safety and environmental teams monitor emissions closely. Not every amine salt offers this balance; shipping even a pallet of free methylamine brings regulatory watchdogs knocking, while the hydrochloride salt ships and stores much more safely.
Price-conscious buyers often ask about substituting other amine salts or reverting to bulk methylamine solutions. Over years of producing, packing, and troubleshooting alongside clients, we see why many professionals stick to MMA·HCl. Most alternative salts change the pH in solution, shift odor profiles, or leave behind stubborn residuals that complicate further purification or product registration. The purity controls and routine cleanliness of MMA·HCl allow for multi-use flexibility—and for critical steps that must pass regulatory checks before export, it means less risk of last-minute compliance headaches.
Every facility grows into its own rhythm: feedstock arrives early morning, operators rotate between critical shifts, and the steady hum of dryers never really stops. Our Monomethylamine Hydrochloride line depends on the reliability of both our team and suppliers. Downtime throws off not only our schedule but that of downstream partners, some of whom have built their process windows around our delivery timing and material consistency.
For traceability, we tag each lot from raw material entry through batch processing to final packing. Years ago, this was a paper-heavy process; now, digital batch logs and in-process sampling tie every shipment to its original inputs. This systematic approach lets our technical team quickly trace and correct any deviations, a necessity when feedback comes back weeks or months after product delivery. We’ve had to investigate unexpected color shifts or changes in crystal habit based on long-distance customer feedback, and tracking this all the way back to a minor change in process temperature or a feedstock supplier’s quality shows why process control really matters.
We focus on training, not just compliance. Staff learn to spot subtle signs of contamination or physical change; a slightly different odor or flow character sets off an investigation before batch release. In-process controls use standard wet-chemistry tests, but experienced hands know when to escalate anomalies despite numbers looking favorable on a report. That real-world vigilance, reinforced by both successes and learning from rare but impactful missteps, shapes the reliability customers have come to trust.
Over decades of production, we’ve run into recurring challenges with moisture pick-up—common to almost every producer, rarely mentioned outside technical conversations. This salt absorbs water from humid air far more quickly than many realize. Aggressive drying on the plant floor shrinks this threat, but final packing and storage often make the real difference. Drums and bags left half-sealed or exposed during transport transform a top-quality batch into lumpy or caked product before it reaches the end user. By working with both shipping partners and storage facilities, we learned the value of high-barrier liners, batch rotation policies, and warning labels made to withstand chemical exposure.
Long-term storage tests in our own warehouse—exposing drums to both summer heat and winter’s low humidity—guide our shelf life recommendations. Repeated sampling allows us to guarantee that within a period of proper storage, no meaningful degradation or off-odor emerges. For customers who require even tighter guarantees, periodic re-sampling and certificate renewals provide reassurance, anchored by actual historical data rather than theoretical shelf-life projections.
Some production partners value higher throughput over extended storage, needing material always fresh and just-in-time. Others prioritize continuity and keep up to a year’s inventory on hand. We meet these needs not with generic guidelines, but with one-on-one planning and flexible scheduling—a practice we’ve honed through years of mutually respectful relationships with purchasing, planning, and technical teams around the world.
Clear documentation and transparent practices keep both our internal teams and our clients on the same page. MMA·HCl falls into a regulatory gray zone, as both an ordinary chemical and under periodic scrutiny as a precursor in certain restricted uses. We maintain current documentation, participate in regular audits, and adapt to regulatory changes as they happen. For export clients, our track record of trouble-free customs clearance comes from studying and applying up-to-date classification and transport rules, not from templated paperwork or half-hearted declarations.
We’ve watched regulations tighten over the years, especially in countries looking to control precursor chemicals. Rather than cut off supply in response, we invest in documentation, employee training, and relational transparency with authorities. Each export lot gets reviewed against destination requirements; each plant record supports both current inspection needs and responses to inquiries that may surface months down the line. The result is a product line buyers can rely on through market fluctuations or evolving legal frameworks—a foundation we’re proud to have built from the ground up.
Like many process manufacturers, we’ve faced unexpected equipment failures or rare out-of-spec batches. Our solution revolves around having redundant filtration, quality control sampling at multiple steps, and digital notification systems to flag issues before product escapes the plant. Once, a batch showed slight yellowing just at the quality control stage. Instead of blending it with a compliant lot (which would have been easy), we traced the issue to a temporary process temperature spike, corrected the protocol, and scrapped the lot. Our clients rely on batches that not only “pass tests” but also match their own sensory expectations; years of close working relationships mean we get direct, honest feedback every time.
Solutions often start with small actions—retraining staff on sampling, running micro-batch simulations to test process changes, and updating old equipment with modern probes or sensors. These incremental improvements yield real results over the long haul. We’ve learned that consistent dialogue with end users—across industries as diverse as biotechnology, chemical synthesis, and advanced materials—brings pitfalls and best practices to light. We take this input and feed it directly into internal audits, team meetings, and continuous improvement plans.
Markets change. Where once pharmaceutical intermediates made up the bulk of our Monomethylamine Hydrochloride sales, today’s demand spreads across everything from microelectronics plating to specialty water treatment. Our R&D and production teams keep watch for emerging requirements, like ultra-high-purity grades or formats suitable for automated chemical feed systems. New applications in controlled-release fertilizer coatings, corrosion inhibition, and specialty catalysts come with their own process, purity, and certification needs. Keeping pace means devoting time both to ongoing process improvement and customer engagement—not waiting for feedback but actively seeking it out.
A chemical manufacturer’s reputation rests on both reliability and adaptability. Over years spent balancing longstanding customer recipes with novel end-uses, we’ve come to see each new requirement as a chance to build deeper partnerships and learn from real-world practice. Our role isn’t just to ship kilograms or tons; it’s to listen, respond, and adapt to what professionals actually require—not just what a product label claims.
Every operator, supervisor, and technical lead on our team knows the realities of working with Monomethylamine Hydrochloride. It demands respect in handling, not just for process smoothness, but for health and environmental control. Even small spills or improper storage draw rapid attention, both out of habit and institutional training. We built our procedures on real lessons, not only on compliance documents—emphasizing glove changes, proper ventilation during batch opening, and equipment maintenance that prevents dust buildup.
It matters to us that partners down the line—technicians, R&D chemists, factory mixers—can work confidently and safely with our material. Our SDS and technical guidance don’t substitute for hands-on experience, but they do incorporate lessons gained from plant operations and user support over years of shipment and feedback. Close collaboration with customers during audit visits or troubleshooting calls keeps our knowledge up to date and our safety culture grounded in daily practice.
For those who work with Monomethylamine Hydrochloride day in and day out, the value isn’t found in a chemical string or a set of specifications alone. It comes from reliability—batch over batch, year after year—earned by teams who know the material from synthesis to shipment. Every process step, from sourcing raw materials to running the crystallizer and filling the drums, reflects the accumulated field-tested experience of those responsible for production and customer support. As new industries push for greater precision, safety, and performance, the stories, lessons, and insights gained from operating at scale continue to shape both what customers receive and what our team learns, reinforcing a cycle of improvement as we go.