Monomethylamine (Pure Product)

    • Product Name: Monomethylamine (Pure Product)
    • Chemical Name (IUPAC): Methanamine
    • CAS No.: 74-89-5
    • Chemical Formula: CH5N
    • Form/Physical State: Compressed Gas
    • Factroy Site: Yuanchuang Guojilanwan Creative Park, Huoju Road, Hi-Tech Zone, Qingdao, China
    • Price Inquiry: sales3@ascent-chem.com
    • Manufacturer: Shandong Hualu-Hengsheng Chemical Co., Ltd
    • CONTACT NOW
    Specifications

    HS Code

    158942

    Chemicalname Monomethylamine
    Casnumber 74-89-5
    Molecularformula CH5N
    Molarmass 31.06 g/mol
    Appearance Colorless gas
    Odor Ammonia-like
    Boilingpoint -6.3 °C
    Meltingpoint -93.5 °C
    Density 0.716 g/L (at 0 °C, 1 atm)
    Solubilityinwater Completely miscible
    Vaporpressure 3.0 atm (at 20 °C)
    Flashpoint -18 °C (closed cup)
    Ph Strongly alkaline (aqueous solution)
    Autoignitiontemperature 430 °C
    Unnumber 1061

    As an accredited Monomethylamine (Pure Product) factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Application of Monomethylamine (Pure Product)

    Purity 99%: Monomethylamine (Pure Product) with 99% purity is used in the pharmaceutical synthesis of antihistamines, where high purity ensures minimal side reactions.

    Boiling Point 6.3°C: Monomethylamine (Pure Product) with a boiling point of 6.3°C is used in the agrochemical industry, where easy volatilization improves process efficiency during herbicide production.

    Aqueous Stability: Monomethylamine (Pure Product) with enhanced aqueous stability is used in water-based adhesive formulations, where stability ensures consistent bonding strength.

    Molecular Weight 31.06 g/mol: Monomethylamine (Pure Product) with molecular weight 31.06 g/mol is used for methylation reactions in dye manufacturing, where precise molecular mass enables accurate stoichiometric calculations.

    Low Metal Content: Monomethylamine (Pure Product) with low metal content is utilized in electronics-grade polymer synthesis, where minimal metal impurities prevent conductivity defects.

    Density 0.699 g/cm³: Monomethylamine (Pure Product) with a density of 0.699 g/cm³ is used in formaldehyde resins, where consistent density ensures uniform mixing rates.

    Stability Temperature up to 40°C: Monomethylamine (Pure Product) stable up to 40°C is used in textile finishing processes, where temperature tolerance maintains chemical integrity during application.

    Colorless Gas: Monomethylamine (Pure Product) as a colorless gas is employed in rubber vulcanization, where lack of color avoids contamination of final products.

    Volatile Base Strength: Monomethylamine (Pure Product) with high volatile base strength is used in fuel additive formulations, where efficient basicity improves catalytic activity.

    Packing & Storage
    Packing Monomethylamine (Pure Product), 500 mL—packaged in a sealed, amber glass bottle with secure cap, labeled with hazard warnings.
    Container Loading (20′ FCL) 20′ FCL container loads approximately 13.6 metric tons of Monomethylamine (Pure Product), securely packed in ISO tanks or approved drums.
    Shipping Monomethylamine (Pure Product) must be shipped in tightly sealed, corrosion-resistant containers under cool, well-ventilated conditions. Classified as a hazardous material (flammable, toxic, and corrosive), transport regulations require proper labeling and documentation. It should be kept away from heat, sparks, and incompatible substances, ensuring compliance with local and international shipping guidelines.
    Storage Monomethylamine (Pure Product) should be stored in tightly sealed, corrosion-resistant containers in a cool, well-ventilated area away from sources of ignition, heat, and incompatible substances such as acids or oxidizers. The storage area must be equipped with proper fire suppression systems, labeled for toxic and flammable materials, and safeguarded from physical damage and moisture to prevent hazardous reactions and vapor release.
    Shelf Life Monomethylamine (pure product) typically has a shelf life of 1 year when stored in tightly sealed containers under recommended conditions.
    Free Quote

    Competitive Monomethylamine (Pure Product) prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please contact us at +8615365186327 or mail to sales3@ascent-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615365186327

    Email: sales3@ascent-chem.com

    Get Free Quote of Shandong Hualu-Hengsheng Chemical Co., Ltd

    Flexible payment, competitive price, premium service - Inquire now!

    More Introduction

    Monomethylamine (Pure Product) — Direct from the Manufacturer

    Bringing Purpose-Built Monomethylamine to Industry

    Many have heard the term ‘monomethylamine’ and think of a colorless, sharp-smelling gas, used widely in pharmaceuticals, crop protection, dyes, and water treatment. As a manufacturer, day in and day out, we work with monomethylamine in its purest form. We handle every step from raw input to packaging, so what you get is the exact product we make, with years of experience behind each batch. Our own facilities oversee every run, adjusting parameters that affect concentration, impurity level, and ease of use for each purpose.

    What Is Monomethylamine?

    Monomethylamine is a primary amine with the formula CH3NH2. At standard temperature it’s a gas, but much of it gets delivered in aqueous solution for easier handling. Pure monomethylamine (anhydrous) is less common in the commercial market, but this form powers several key reactions in chemical synthesis and specialty sectors. Our plant produces monomethylamine with high purity, often at or above 99.5%, suitable for demanding use scenarios. We control every molecule’s journey, starting from methanol and ammonia, monitoring catalyst activity, pressure, and temperature at each step.

    We Know Monomethylamine Inside Out

    Decades spent manufacturing monomethylamine gave us a practical view that you won’t find anywhere else. Each process valve, compressor seal, and scrubber tells its story. Temperature spikes from exothermic reactions bring lessons written into our production SOPs. Our facility runs round the clock to avoid batch interruption, because stopping the process can load equipment with residue and risk product purity.

    Monomethylamine, as a pure product, requires airtight handling. Any moisture pulled in from the air can drop the purity below pharma-grade requirements. We take this seriously. We invest in closed systems with dry nitrogen blanketing and water-free seals. We keep dedicated cylinders and tanks for monomethylamine to avoid cross-contamination. Our plant layout lets us control exposure to oxygen, which can form trace monoethanolamine impurities and impact some downstream syntheses.

    Why Purity Matters in Monomethylamine

    Pharmaceuticals, agricultural chemicals, and specialized catalysts often call for trace impurity reporting. In-house, we’ve measured the way a small shift in monomethylamine concentration alters yields in the formation of certain APIs or herbicides. Imagine a process demanding 99.5% monomethylamine, but you start with 98% — you lose selectivity, raise costs, and raise the burden on purification downstream. We don’t cut corners with quick distillation or off-the-shelf scrubbing. We push for extra distillation passes and continuous online purity monitoring before filling any shipping vessel.

    Let’s say a customer’s reactor sees a color change in what ought to be a clear system. Most often, a small impurity in feedstock like monomethylamine sits at the root. That’s why customers request certificates reflecting not only major impurities but also downstream effects, like secondary amines or residual moisture, affecting chromatographic performance or biocatalysis stability.

    How Our Monomethylamine Differs from Commodity Grades

    Some products on the market get sold as ‘technical’ or ‘industrial’ grade. These often have broader impurity profiles. Sometimes these are fine for bulk resins, surfactants, or non-critical intermediates, but we built our reputation serving the sensitive end: pharma, electronics, and custom synthesis. Our process uses first-intent feedstock and removes side-products like dimethylamine and trimethylamine, both with lower boiling points, to keep the mono-amine prime.

    We heard from API manufacturers that crosstalk among amines can complicate production. Presence of dimethylamine traces in monomethylamine can foster the wrong alkylation products or interfere with acylation steps. That’s why we control selectivity at the reactor level, purge distillation columns between batches, spend on higher purity feed, and keep inline GC analysis running every hour. We don’t believe in saving a penny if it means risking customer process bottlenecks.

    A key way to think about purity: one impure batch can slow down a downstream ketone formation for days, costing far more than a marginal per-ton price difference. We’ve built partnerships because we understand these nuances, both commercial and technical. We know applications as diverse as dry film resist processing in electronics or sensitive biocatalysts in fine chemicals often run at the edge of feasibility, so purity from us isn’t just a statistic — it’s a safeguard.

    Specifications: Our Real-World Benchmarks

    Most intermediates and final products using monomethylamine as a reactive amine need genuine tight controls over each impurity. In our own QC lab, we run HPLC and GC-MS to look for moisture, carbon dioxide, dimethylamine, trimethylamine, ammonia, and even less common n-olefins. Typical specs for shipped pure monomethylamine include:

    We don’t just check a couple vials at the end. We test samples across the lot and randomize at different fill points. We keep archives for each batch against future technical questions. We monitor cylinder integrity, as the gas can slowly dissolve metals if water is present. Every tank is shot with leak-checker and pressure-gauge protocols, because even the smallest air ingress can knock us below lab-grade spec.

    Applications Seen Up Close

    Why do customers come to the manufacturer for pure monomethylamine instead of working through intermediaries? The answer sits in process reliability and application versatility. Over years we collaborated with drug companies making antihistamines where the presence of mono-amine instead of di- or tri- additives improved synthesis yields and made purification much less expensive. Crop protection intermediates also benefit. Triazines and methylated ureas draw on precise monomethylamine dosing and consistency.

    We’ve seen surfactant operations where low-level impurities in monomethylamine led to lower foaming power or off-colors. Epoxy resin firms helped us refine purity even further to help them build consistent curing profiles. The water treatment space uses monomethylamine in both ion-exchange and pollutant removal research. Even the electronics sector — copper etchants, lithography developers — draws value from near-zero residue/reactivity. All this knowledge travels upstream: each time a customer shared feedback on process blockages, we aligned our production criteria to respond.

    Handling Experience in Practice

    A lot of chemical plants see monomethylamine as a bulk input, prone to rapid vaporization, pressure build-up, and odor leaks. We handle these risks with pressure-tested pipelines, cold transfer zones, and full-face PPE for operators. At our site, every shipment gets tracked for vessel integrity, temperature bands, and exposure time. Anyone new joining our team doesn’t just read bleeding-edge safety guides; they turn wrenches and walk catwalks with pros who have dealt with every minor or major excursion imaginable.

    Shipping pure monomethylamine means understanding weather, port delays, and cylinder rotation cycles. Our local and global partners rely on that discipline. We resist shortcuts — delayed tank cleaning or skipped filter changes — since experience taught us they generate more problems than they solve.

    Solutions Born from Daily Use

    Every time a lab notes a purity slip, process engineers meet with our plant team. We don’t point fingers; we fix the issue. Over time, we added real-time compositional analyzers and quick-calibrating sensors. We designed our own seals that block atmospheric leaks. Suppliers dropping QC means nothing comes in or out without checks. These controls cut downtime, product loss, and most importantly, customer complaints. Improvements in process flow reduced energy costs for drying and lowered the physical labor needed to swap tanks or refill vessels.

    Several years ago, a customer outlined an issue with their batch reactor stalling on a known API intermediate. We pulled our own laboratory workbooks and found that a batch of monomethylamine, while passing spec on dimethylamine, had slightly elevated dissolved oxygen due to a supply line fix. We built in extra scavenging and filtration from then on, and customers downstream never hit that roadblock again. No data sheet or spec line tells the story of coordinated shop-floor troubleshooting and workflow adjustment the way experience does.

    Comparing Monomethylamine Pure Product vs Other Amines

    It helps to spell out the difference between pure monomethylamine and other amine options. Dimethylamine and trimethylamine offer their own chemistries, boiling points, and reactivity profiles. While monomethylamine stays prized for alkylation and as a C1 building block in making performance additives, dimethylamine gets more often tapped for similar reasons, but behaves with more sterics and less nucleophilicity.

    We’ve handled specifications for all these amines, but pure monomethylamine stands apart by virtue of its reactivity and cleaner downstream split during workup. Electronics and precision pharma work steer away from blended cuts because off-target alkylation or quaternization is not just a minor hiccup, it’s a failed batch. That’s why customers look to manufacturers, who keep chain of custody, test for cross-contamination, and detail every byproduct by gas chromatography. There’s a relationship built not on paperwork, but on real results and process data.

    Our monomethylamine, with single-digit ppm levels of byproducts, won’t behave the way a typical technical-grade cut might. Some resellers or brokers may sell technical or mixed-amine grades under the monomethylamine label, but users discover the limitations quickly once key intermediates don’t meet quality standards. Pure product direct from the plant keeps project risk low, saves reprocessing, and prevents plant downtime.

    Building the Product Around Your Process

    Direct manufacturing roots—or speaking plainly, sticking close to production—lets us respond to highly specialized needs. Over years, labs and production managers gave specific sourcing requirements: need for lower moisture, higher pressure, particular cylinder size, on-site nitrogen blanketing, or emergency resupply after pipeline issues. We don’t hide behind brokers or distributors, so there’s no telephone game. End-users let us know performance details, not only spec sheets, and we deliver based on clear communication.

    Sometimes an international customer faces shipping delays and the risk of segregating two product lots. We offer true source traceability, from plant run sheet to finished product log. We produce and fill under the same roof, then ship with barcoded containers tracked at every stage, so critical uses—like reactive monomer synthesis or specialty dye formulation—don’t risk getting the wrong batch.

    Because we control every step, adjusting packaging—from drums to mini bulk ISO containers or ton cylinders—becomes a manufacturing question, not a reseller negotiation. Customers know if they need more than just a technical data sheet—they want to talk through trouble-shooting, best-practices for pressurized handling, or upstream purity management—they can reach those who made the product.

    Championing Experience and Trust in Every Batch

    Trust is a hard-earned commodity in chemicals. We built ours not just by filling orders, but by comparing field feedback side-by-side with lab measurements and plant output. It’s the old hands who notice a pressure swing or tweak a purification column. Experience will always matter more than brochure promises. Customers needing monomethylamine pure product with tight impurity controls, consistent supply, and a partner who listens, have relied on us not for years, but for decades.

    Everything we learned about monomethylamine—how it leaks, how metal surfaces catalyze breakdown, how trace water dulls reactivity—showed up in process improvements and customer satisfaction. Collaboration beats specification-chasing every time. No matter how many new entrants flood the market, experience built batch by batch at the source cannot be replicated by dilution or distribution.

    In the end, pure monomethylamine isn’t simply a line item. It’s a chemical whose production and delivery reflect a legacy of hands-on science, deep process understanding, and technical honesty. Experience fills every cylinder that leaves our bay. The next time your lab or plant process margins matter, reach for product straight from the maker, forged by experience and checked by data, in every batch.