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Trimethylamine N-Oxide Dihydrate

    • Product Name Trimethylamine N-Oxide Dihydrate
    • Alias TMAO dihydrate
    • Einecs 207-636-9
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
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    Specifications

    HS Code

    478921

    Chemical Name Trimethylamine N-Oxide Dihydrate
    Synonyms TMAO dihydrate
    Molecular Formula C3H13NO3
    Molecular Weight 111.15 g/mol
    Appearance White crystalline solid
    Melting Point 150-154 °C (decomposition)
    Solubility Soluble in water
    Cas Number 62637-93-8
    Ec Number 209-135-4
    Storage Conditions Store at 2-8°C
    Odor Fishy

    As an accredited Trimethylamine N-Oxide Dihydrate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing A 100g bottle of Trimethylamine N-Oxide Dihydrate, securely sealed in an amber glass container with a tamper-evident screw cap.
    Shipping Trimethylamine N-Oxide Dihydrate is shipped in tightly sealed containers to prevent moisture absorption and contamination. It should be transported in a cool, dry environment, away from incompatible substances. Proper labeling, adherence to local regulations, and handling by trained personnel are essential to ensure safe delivery of this chemical compound.
    Storage Trimethylamine N-Oxide Dihydrate should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from heat, sparks, and open flame. Protect it from moisture and incompatible materials, such as strong oxidizing or reducing agents. Store at room temperature and avoid direct sunlight. Label containers properly and ensure that safety procedures for chemical storage are followed.
    Application of Trimethylamine N-Oxide Dihydrate

    Applications of Trimethylamine N-Oxide Dihydrate in Industrial Manufacturing

    As a direct manufacturer, we supply trimethylamine N-oxide dihydrate to specialized sectors where functional purity, controlled processing, and full regulatory traceability are critical for the safety, quality, and downstream function of high-value end products. Below are the main industrial applications, each with specific compliance, ratios, and processing details.

    1. Protein Folding Agents in Biopharmaceutical Manufacturing

    Downstream biopharma operations use our material as a protein folding aid during recombinant protein expression and post-purification refolding. It modulates the solvation environment, supporting correct tertiary structure formation and reducing aggregation risk in antibody, enzyme, and peptide production. The ingredient must meet stringent bioprocessing standards, with supply chain transparency ensuring contamination control throughout current Good Manufacturing Practice (cGMP) workflows.

    Industry compliance standards

    • ICH Q7 – GMP for active pharmaceutical ingredients
    • USP/NF monographs for reagents
    • 21 CFR Part 211 – Finished pharmaceuticals manufacturing
    • ISO 9001:2015 – Quality management systems

    Typical usage ratio

    • 0.1%–2% w/v in refolding buffer systems, tuned according to protein solubility and yield optimization studies

    Downstream process integration

    • Added at the dialysis or dilution stage following cell lysis and protein isolation for controlled refolding reactions

    Final product types

    • Monoclonal antibodies
    • Therapeutic recombinant enzymes
    • Biobetters and biosimilars
    • Industrial biocatalysts

    2. Osmoprotective Additive for Cell Culture Media

    Specialist cell culture facilities depend on this material to improve osmoregulation in stress-sensitive mammalian and fish cell lines. It enhances medium stability against osmotic shock, minimizes apoptosis under large-scale suspension or adherent culture, and assists in maintaining viability for high-output fermentation and batch runs in vaccine and diagnostic protein production.

    Industry compliance standards

    • EMA/410/01 – Quality of cell substrates
    • ISO 13485:2016 – Medical device and diagnostic material QMS
    • Ph. Eur. and USP standards for cell culture reagents
    • FDA Guidance on Media Components for Biologics

    Typical usage ratio

    • 0.05%–0.5% w/v, optimized based on cell line osmotic tolerance curves and process scale

    Downstream process integration

    • Blended directly into basal or custom media formulations prior to sterilization and inoculation steps

    Final product types

    • Culture-expanded viral vaccines
    • Recombinant glycoproteins
    • Cell-based diagnostic assays
    • Bioprocess seed stocks

    3. Functional Fish and Seafood Processing Aid

    Commercial seafood processors and surimi manufacturers use the compound to control protein denaturation during frozen storage and mechanical processing. It mitigates drip loss, improves texture recovery during thawing, and elevates product appearance without introducing off-flavors. Compliance with international food safety and additive regulations remains essential, especially for products destined for regulated export markets.

    Industry compliance standards

    • EU Regulation (EC) No 1333/2008 – Food additives
    • FDA 21 CFR Part 172 – Food additives permitted for direct addition
    • Codex Alimentarius – General Standard for Food Additives (GSFA)
    • HACCP – Food safety management

    Typical usage ratio

    • 200–1,600 ppm, adjusted by fish species, processing temperature, and desired freeze-thaw stability

    Downstream process integration

    • Dissolved in brine or injected aqueous solutions prior to freezing or surimi washing cycles

    Final product types

    • Frozen fish fillets
    • Surimi-based seafood analogues
    • Crab and lobster meat alternatives
    • Premium sashimi and sushi-grade products

    4. Oxidation Catalyst in Organic Synthesis

    Chemical synthesis plants apply the material as a mild oxidizing agent for selective N-oxidation, sulfur oxidation, and other transformations. Its stable and crystalline hydrate form supports safe handling in batch or continuous flow operations. Strict chemical control ensures batch reproducibility and clear traceability, especially for synthesis workflows producing actives, fine intermediates, or custom specialty chemicals.

    Industry compliance standards

    • REACH Regulation (EC) No 1907/2006 – Registration and evaluation of chemicals
    • ISO 9001:2015 – Quality management for batch manufacturing
    • Process safety management (PSM) for hazardous chemicals
    • Material compliance under TSCA (USA) where applicable

    Typical usage ratio

    • Stoichiometric or 1.2–2.0 molar equivalents, fine-tuned to substrate, desired selectivity, and reaction scale

    Downstream process integration

    • Charged into oxidation stage reactors under controlled temperature and pH, often post-activation or preceding workup

    Final product types

    • Pyridine N-oxide derivatives
    • Sulfoxide and sulfone compounds
    • API and agrochemical intermediates
    • Specialty surfactant raw materials

    5. Stabilizer in Enzyme Storage and Formulation

    Manufacturers in diagnostics, biocatalysis, and industrial biotechnology employ the dihydrate to preserve enzyme conformation and minimize loss of catalytic activity during transportation and shelf storage. Inclusion in lyophilization and liquid formulations reduces inactivation from dehydration and temperature variation, thereby meeting global standards for activity retention, purity, and batch homogeneity.

    Industry compliance standards

    • ISO 18385:2016 – Minimizing DNA contamination in laboratory consumables
    • ISO 13485:2016 – Diagnostic reagent quality systems
    • ICH Q6B – Specifications for biotechnology-derived products
    • USP Chapter <1117> on Good Packaging and Storage

    Typical usage ratio

    • 0.1%–1.0% w/w in lyophilized or stabilized liquid formulations, tailored to enzyme instability profiles and shipping logistics

    Downstream process integration

    • Incorporated at the final blending stage before freeze-drying or sterile filling, ensuring uniform distribution throughout the batch

    Final product types

    • Molecular diagnostic enzyme kits
    • Biocatalyst bioprocessing solutions
    • Frozen and stabilized enzyme concentrates
    • Laboratory research grade enzymes
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    Certification & Compliance
    More Introduction

    Trimethylamine N-Oxide Dihydrate: From Synthesis to Solution

    Direct from Our Reactor: A Look at Trimethylamine N-Oxide Dihydrate

    For decades in chemical manufacturing, many compounds rise and fade in popularity, but Trimethylamine N-Oxide Dihydrate keeps finding new utility. Walking through our production facility, you’ll notice the focus on cleanliness and purity. Trimethylamine N-Oxide Dihydrate flows through our process lines like a quiet force—unassuming, no bold color, but quite a useful molecule to those who know where to look.

    Our Production Experience

    Our approach to producing Trimethylamine N-Oxide Dihydrate puts safety, consistency, and scalability right at the core. Starting with laboratory-scale reactors, we navigated the learning curve—controlling moisture, ensuring full conversion, and identifying that slight ammonia-like odor at just the right point in the batch. As demand grew, our team scaled up safely, and constant investment in new monitoring sensors let us minimize batch variability.

    Handling intermediate stages calls for care. We’ve learned it pays to avoid shortcuts at drying and crystallization. Even slight shifts in temperature or water activity bring changes to the hydrate composition, impacting its performance down the line. We stick to controlled slow cooling, as rushing compromises final product stability.

    Packaging gets detailed attention, too. Improper sealing lets in ambient moisture or lets a batch lose too much water, which can change the hydrate’s physical behavior. While some competitors treat packaging as an afterthought, we seal each drum in a way that balances stability and ease of access at the client site. This comes straight from years of customer feedback and learning the consequences of overlooked packaging steps.

    Distinct Chemical Character

    Trimethylamine N-Oxide Dihydrate stands apart from its anhydrous counterpart in several functional attributes. The dihydrate structure, built around two molecules of water per Trimethylamine N-Oxide, gives it different solubility and stability—crucial in high-moisture or temperature-variable environments. This helps in industries where magic numbers matter, but the science lies in the small differences—like marine biochemistry, where hydration state determines the molecule’s effect on protein folding.

    Chemical purists often prefer the anhydrous form for some specific syntheses, but that route brings its own challenges. Pure anhydrous Trimethylamine N-Oxide is deliquescent; it picks up water from the air fast and turns sticky, clumsy to handle, and short-lived unless you keep it under tight conditions. The dihydrate has more resilience to normal atmospheric humidity, stores well, and ships safely over long distances.

    Specifications That Matter in Practice

    Rather than focus simply on published purity numbers, in manufacturing technical chemicals, we have to measure what matters for downstream applications. In our own operations, trace amines, micro-residuals, and bulk impurities all get checked, since we know even a pinhead of residual byproduct can break a polymerization reaction or skew a cosmetics formulation. Over years, our analytics team has tuned each production run to drive toward low residual tertiary amines and undetectable inorganic byproducts.

    Physical appearance is not just cosmetic—free-flowing crystals handle easily and dissolve predictably in aqueous solutions. We dry and sieve the final product, lift the drum’s lid, and see fine, white monoclinic crystals, not sticky clumps. This difference often slips by manufacturers who value volume over attention to detail. The result for our customers: predictable dosing, no odd clumps stuck in a hopper, no missed step in a continuous process.

    Where Trimethylamine N-Oxide Dihydrate Fits—And Where It Doesn’t

    At the bench, scientists grab Trimethylamine N-Oxide Dihydrate for osmolyte studies, especially in molecular biology, marine chemistry, and food technology. It acts as a stabilizer for proteins and enzymes, mimicking natural environments in both marine animals and industrial biocatalysts. In some research papers, you’ll find it cited for its unique ability to “pressure-proof” proteins—effectively protecting delicate enzyme structures under stress. Biological labs love the dihydrate because it matches the hydration state present in real living cells.

    On the industrial floor, the molecule appears in surprising corners—sometimes as an oxidation agent for subtle synthetic steps, sometimes as a stabilizer for materials that need a nudge in performance or resilience under heat and humidity. The dihydrate’s extra water content matters here: formulas built for the anhydrous powder need recalibration, or they risk unexpected results.

    Some customers look to use it in animal nutrition, especially aquaculture, referencing marine biochemistry. We emphasize picking the right hydrate, since trace water modifies flavor and stability. In food processes, regulatory scrutiny centers both on the origin and water content—so certificates and traceability documentation come standard. We follow those standards closely, not from necessity to hit a marketing claim, but because we know a missed decimal creates regulatory pain, recalls, and real health risks.

    For those seeking a pure oxidant or water scavenger, we steer users next door, to other Trimethylamine N-oxides or a different oxidant entirely. Even the best dihydrate we make cannot substitute in strictly anhydrous reactions or in water-sensitive steps. Our technical team regularly counsels customers through pre-purchase, so the selected product matches the application and nothing sits wasted on the shelf.

    Controlling for Quality—What Decades of Scale-Up Teach

    Production looks simple, but expertise emerges in the repeatability and the learning from mishaps often not captured in published protocols. Early on, scale-up brought surprises: small glass reactors gave us crisp pure material, but steel tanks grown to hundreds of kilos taught us hard lessons. We encountered off-odors, carbonation from ambient air, and color casts in one corner of a vessel. Each learning hard-earned through batch logs and customer feedback.

    We overhauled airflow controls, minimized headspace, and instituted regular purity spot checks down the transfer line. Only teams who spend cycles walking the line at 3am can spot the real breakpoints on long production runs. It’s these systems, not just high-performance GC or HPLC—though both help a lot—that deliver the actionable difference in final product.

    Water content is finicky, shifting with ambient temperature during crystallization and during storage. We store every batch under inert gas until shipment. That attention keeps specifications real, not aspirational.

    Packing the Right Way—Why Many Fail on Delivery

    Trimethylamine N-Oxide Dihydrate travels far, but like many specialty chemicals, it suffers from inattention during logistics. We saw early that warehouse teams handling generic hydrates often miss the slight “give” in drum edges, a sign that moisture exchange or partial deliquescence has started. At our site, packing happens indoors, and seals only come off the moment of shipment.

    Some packaging solutions used in the industry—low-bulk bags inside steel drums—remove worker safety hazards, but sometimes leave microtears that slowly feed ambient air into the crystals over months. We stopped using these after our own internal audit of loss rates and switched to lined drums with triple seals; the result has been zero batch reclamations for moisture uptick in the last two years, even after cross-hemisphere shipping.

    We supply batch COAs with shipment, but our technical support extends beyond paperwork. Our team often gets calls not about the chemical itself, but about process hiccups—crystals clumping after storage, slight shifts in dissolution times, appearance of faint yellowing at surface after a year. We replace affected product, but also dig into underlying root causes so customers don’t encounter recurring issues. Sometimes the answer is temperature-controlled storage, sometimes it is simply a change to FIFO practices on their site.

    Comparison with Other Similar Compounds

    Trimethylamine N-Oxide Dihydrate shares some basic chemistry with quaternary amine oxides, but the small differences make or break certain applications. Compared to mono- or tri-hydrates of other amine oxides, the dihydrate offers a balance of increased stability without sacrificing solubility speed. This helps in findings ways to prepare rapid test reagents, or in fitting formulas for time-released behavior in polymer systems.

    Consider, too, the related compound, Dimethylamine N-Oxide. Although similar on paper, it slices through proteins less gently, and its hydration state shifts how it behaves as a cosolvent. Users who try swapping products quickly discover undefined solubility or unexpected biological impacts. The market hosts a variety of bulk trimethylamine solutions and mixed hydrates, but users aiming for reliable results stick to a defined hydrate content.

    In some technical markets, alternative amine oxides show up for their surfactant traits, but Trimethylamine N-Oxide Dihydrate stays in demand for specific, controlled hydration chemistry. Over years, we found engineers and researchers who make the switch based on cost or supply only circle back, citing unexpected formulation haze, odor profile changes, or reactivity mismatches.

    Environmental and Safety Perspectives

    With our decades of hands-on production, chemical stewardship sits front-and-center. Trimethylamine N-Oxide Dihydrate, handled correctly, poses low acute hazard but always requires respect during large-volume handling. Trace vapor releases carry a distinct, sharp odor that triggers quick response in experienced operators—a subtle early warning signal for leaks or missed seals.

    We design plant workflow to avoid cross-contamination with other volatile amines. Routine physical checks, rather than just sensor readings, catch small leaks faster than automated alerts. Our shift teams log air readings by hand because reliance on data alone leads to missed details, especially with chemicals as nuanced as Trimethylamine N-Oxide Dihydrate.

    Disposal at our plant follows strict wastewater treatment protocols, since nitrogenous run-off brings regulatory scrutiny. We built out a closed-loop treatment system—scrubbing off amine vapors and neutralizing process wash water ensures that our facility never contributes off-site nitrogen or odor issues. Customers appreciate this, too, as regulatory pressures now track through the supply chain with increasing attention.

    Supporting Our Customers in R&D and Scale-Up

    Our place as a direct manufacturer means we see the frequent surprises R&D teams run into as they move from bench to pilot. A molecule like Trimethylamine N-Oxide Dihydrate that behaves smoothly in 100-gram lots in the lab can suddenly throw problems in a 500-kilo run—slow dissolution, changing color, spots of incomplete reaction. We field calls from teams diagnosing these issues, and over time, we’ve built up a library of field-tested solutions: pre-warming protocols, staged addition, or minor pH tweaks.

    Every year brings a fresh set of regulatory and technical priorities. University groups working on protein folding now require tighter documentation, as journals and funding bodies crack down on traceability. Industrial formulators pursue supply resilience as global logistics pinch certain shipping lanes. We work through custom supply commitments and can offer letters of assurance or data packages tailored to customer uses—always built on the truth of what our line produces, not a marketing dream of an idealized spec.

    Why We Believe in Material Transparency

    Trust in chemical supply rests on open, evidence-backed transparency. We welcome customer audits, from lab walk-throughs to batch history reviews. Some buyers ask for samples run through their own QC methods side-by-side with ours. We invite this, because we know that real-world testing in the customer’s lab or reactor setup often surfaces new questions. Rather than hide behind paperwork, our technical managers reach out to discuss performance questions or batch anomalies openly.

    We’ve learned, by honest mistakes and thorough post-mortems, that knowledge sharing brings better results. A competitor might post sharper specs on a website, but long-term partners rely on our support to go beyond claimed numbers, actively working together to solve real problems. Our product’s reputation grows with our willingness to chase down details and make things right.

    Future Demands and Continuous Improvement

    Trimethylamine N-Oxide Dihydrate remains on the leading edge of several emerging applications: synthetic biology, advanced bio-protection, next-generation polymer stabilization. We’re fielding more inquiries about high-purity requirements as researchers chase after low-background noise for bio-analytical experiments, or reduced trace contaminants for cell culture work.

    Investments in newer filtration and in-line monitoring give us tighter control over every lot. Just as important, we maintain ongoing training for staff, because truly consistent chemical production rests as much on skilled hands and eyes as it does on instruments. Operators suggest upgrades to process steps based on lived experience rather than chasing academic trends.

    Our group frequently consults technical journals and shares data with external experts—not simply to tick boxes, but to keep our own process knowledge current. Collaborating on innovation helps improve the reliability and performance of Trimethylamine N-Oxide Dihydrate year by year.

    The Bottom Line from the Plant Floor

    We take pride in real, measurable performance and customer support. Trimethylamine N-Oxide Dihydrate isn’t flash; it’s reliable, handled by teams who know its quirks and have fixed every snag that can arise at commercial scale. Whether for biotechnology, chemical synthesis, or advanced materials, the dihydrate form offers practical stability and confident handling, without unpleasant surprises.

    Our experience informs everything we do—from reactor to drum, from lab scale to manufacturer’s plant. We build trust with every drum shipped and every problem solved, standing behind each lot with living expertise and a long record of continuous improvement.