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HS Code |
791573 |
| Iupac Name | N-methyl-N-trimethylsilylacetamide |
| Cas Number | 18156-74-6 |
| Molecular Formula | C6H17NOSi |
| Molar Mass | 147.29 g/mol |
| Appearance | Colorless to light yellow liquid |
| Density | 0.865 g/mL at 25°C |
| Boiling Point | 75-77°C at 10 mmHg |
| Flash Point | 44°C (111°F) |
| Refractive Index | 1.415-1.417 at 20°C |
| Solubility | Miscible with most organic solvents |
| Smiles | CC(=O)N(C)Si(C)(C)C |
| Inchi | InChI=1S/C6H17NOSi/c1-6(8)7(2)9(3,4)5/h1-5H3 |
As an accredited N-Methyl-N-(Trimethylsilyl)Acetamide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 100 mL of N-Methyl-N-(Trimethylsilyl)Acetamide is supplied in a sealed amber glass bottle with a tamper-evident cap and safety labeling. |
| Shipping | N-Methyl-N-(Trimethylsilyl)Acetamide should be shipped in tightly sealed containers, protected from moisture and sunlight. It is typically transported as a liquid at ambient temperature. Handle with care, following all regulatory guidelines for hazardous chemicals. Appropriate labeling, documentation, and compliance with local, national, and international shipping regulations are required. |
| Storage | N-Methyl-N-(Trimethylsilyl)Acetamide should be stored in a tightly sealed container, under an inert atmosphere (such as nitrogen or argon), and kept in a cool, dry, and well-ventilated area. Protect from moisture and sources of ignition. Store away from acids, oxidizers, and incompatible substances. Recommended storage temperature is typically between 2–8°C for optimal stability and to prevent decomposition. |
Applications of N-Methyl-N-(Trimethylsilyl)Acetamide in Industrial ManufacturingN-Methyl-N-(Trimethylsilyl)Acetamide serves as a specialized reagent and process aid in several advanced industrial sectors. Our direct manufacturing facilitates stable supply and process validation for critical downstream applications. Below, we detail key segments that adopt this material for specific technical advantages, along with compliance, formulation, integration points, and typical end-use products. 1. Pharmaceutical Active Ingredient SynthesisMajor pharmaceutical producers incorporate N-Methyl-N-(Trimethylsilyl)Acetamide as a silylation reagent during synthesis of certain APIs, chiefly in nucleoside modification steps and heterocyclic chemistry. The material participates directly in selective substitution reactions requiring both steric and electronic control, ensuring high yields and minimal by-products in moisture-sensitive transformations. Our clients integrate this intermediate under validated procedures for batch and continuous manufacturing of regulated substances. Industry compliance standards
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2. DNA and RNA Oligonucleotide ManufacturingIn the production of synthetic DNA and RNA oligonucleotides, N-Methyl-N-(Trimethylsilyl)Acetamide is employed as a reagent for controlled silylation of nucleobase exo-amino groups. Its use enables temporary protective group addition during solid-phase and solution-phase syntheses. This approach preserves sequence integrity and enables precise downstream deprotection, essential for custom oligo production at analytical and multi-gram scales. Industry compliance standards
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3. Agrochemical Intermediate SynthesisSynthetic crop protection chemical manufacturers utilize this compound for the protection of labile functional groups in intermediate building blocks. The reagent offers efficient silylation for keto and hydroxy intermediates, enabling stepwise synthesis under anhydrous conditions and improving process selectivity during scale-up. Its role is especially valued in processes where downstream isolation requires robust temporary protection and high-purity intermediates. Industry compliance standards
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4. Electronic Grade Chemical ProcessingThe semiconductor industry employs N-Methyl-N-(Trimethylsilyl)Acetamide for surface silylation of wafer materials and for precursor formulations in deposition systems. This specialty reagent achieves hydrophobic modifications of oxide surfaces in MEMS and IC fabrication. Ultra-high purity grades support thin-film chemical vapor deposition (CVD) matrix synthesis, reducing defectivity in device manufacturing lines for advanced electronics. Industry compliance standards
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5. Analytical Derivatization Reagent in Life Science LaboratoriesSpecialized laboratories select N-Methyl-N-(Trimethylsilyl)Acetamide as a derivatization agent to prepare biological and environmental samples for high-sensitivity GC/MS and LC/MS methods. It enables efficient silylation of hydroxyl, carboxyl, and amino groups, improving volatility and detection limits for target analytes. Regulatory and contract analysis labs depend on our material for batch-to-batch consistency in validated method workflows. Industry compliance standards
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N-Methyl-N-(Trimethylsilyl)acetamide, known within the industry as MTS-acetamide, comes straight from our reactors after batch testing and tight controls on purity and stability. As a chemical maker, every liter we ship reflects months of process development, batches scrubbed for by-products, and continual calibration against the benchmarks set by our most demanding partners.
We do not filter our knowledge through layers of sales and marketing. Every day, our technicians make real-world decisions that affect the compounds our customers depend on. MTS-acetamide is not just another item on a price list. It’s a product we have manufactured for years, and its track record is built on our hands-on adjustment of reaction conditions, their impact on selectivity, and the small chemical details that shape each final kilogram.
The heart of our offering lies in consistency. Our typical product averages above 99% purity, but we do not stake our quality on single test snapshots. We analyze each batch using gas chromatography and NMR, and we share detailed COAs on every delivery. Trace amounts of lower-boiling methylsilyl impurities can cause headaches during scale-up, so our team has focused on distillation under controlled pressure and using fresh silane sources. Customers who once struggled with inconsistent solutions now run their processes predictably shift after shift.
We produce MTS-acetamide in volumes that match real demand, from multi-liter laboratory scales up to pallet totes for continuous production. Our reactors run with solvent-free silylation, avoiding residual solvents that sometimes plague imported or secondary-grade material. Each drum or bottle comes from a lot that has been safeguarded against hydrolysis and the trace acids that can creep in during careless handling. We trust our processes enough to supply long-term production schemes, not just research-grade small lots.
Over several decades, we have responded to hundreds of applications and countless requests for modifications. MTS-acetamide is in demand because it cleanly silylates a range of nucleophiles — particularly sensitive amines and alcohols — without the harshness of stronger chlorosilanes. Its performance matters most in cap-sensitive intermediates and analytical sample prep, where the presence of water or mineral acids can wipe out efficiency. Fine-tuning the trimethylsilylation step involved rethinking every piece of glassware and ground joint in our plant to avoid moisture ingress. Our offer to customers is a material that remains stable on the shelf, clear in solution, and stubbornly resistant to hydrolysis.
We have learned that not all MTS-acetamide is made equal. Years ago, broad-spectrum testing of global samples revealed wide swings in impurity profiles. Substituted by-products, left behind by less controlled syntheses, show up in downstream coupling reactions and can sabotage purification. While external QA snapshots may catch obvious flaws, only a chemist actively adjusting process parameters can make necessary improvements each production cycle. Our facility employs both veteran analytical chemists and new process engineers, who view each batch as a chance for incremental progress.
A product’s technical specifications mean more to us than just meeting a spec sheet. Our standard for MTS-acetamide includes moisture content below 0.05%, checked by Karl Fischer titration directly in our on-site QC lab. Amide content is verified by titration and NMR confirmation because even trace misalignment can disrupt sensitive synthetic sequences. We emphasize low free base levels, because those can unexpectedly catalyze side reactions in organosilicon transformations.
Each shipment is packaged under dry nitrogen, because oxygen and moisture never stop looking for a weak seal. We offer bulk containers with lined caps and glass bottles for high-purity research needs, based on direct feedback from users who have dealt with failed reactions caused by leached ions or polymerization in plastic packaging. Over time, these practical details become part of our process, not just “special requests.”
Out in the field, MTS-acetamide’s role reaches far beyond academic curiosity. Dozens of pharmaceutical plants count on it during the preparation of silylated building blocks for active pharmaceutical ingredients (APIs). Customers in electronics rely on it as a derivatization agent for gas chromatography, clearing the path for accurate quantification of alcohols, amines, and small acids in complex matrices. Agrochemical developers draw on its clean reactivity profile to unlock base-sensitive intermediates and novel pesticide scaffolds.
During custom synthesis projects, we take calls from process chemists striving for a non-corrosive, low-hazard silylation route that can be scaled from grams to hundreds of kilograms. The non-volatile nature of MTS-acetamide, compared to imidazole-based silyl donors, offers a crucial margin of safety in glass-lined reactors and open-batch vessels. Instead of worrying about hydrochloride salt formation or toxic by-products, operators measure cleaner distillate streams and predictable throughput.
Real-world examples come back to us continually. One customer, running a pilot plant campaign on a pressed timeline, trusted our product for derivatizing a series of challenging tertiary amines. Noise on their GC/MS traces dropped away after they moved away from “standard” trimethylsilyl reagents containing propionic or butyric by-products. Over the years, similar outcomes repeat: experimenters swapping out generic materials for ours see better resolution, improved yields, and easier workflow.
The trimethylsilyl class holds many members, each tuned for different targets. Some labs use hexamethyldisilazane when seeking volatility, while others prefer trimethylsilyl chloride for the most aggressive silylation. Both have their place, but MTS-acetamide sits apart with higher selectivity and reduced risk of decomposition under mild thermal conditions.
Compared to N,O-bis(trimethylsilyl)acetamide (BSA), which acts as a stronger donor and moves quickly even with hindered alcohols, MTS-acetamide brings a slower but cleaner transformation for amides, peptides, and multi-nitrogen scaffolds. Our product’s lower volatility prevents atmospheric loss during handling, especially in large-scale or automated equipment. That reliability pays off during extended reaction cycles and in plant settings where open vessels or periodic dosing are necessary.
During silylation of acidic or base-sensitive substrates, MTS-acetamide maintains its activity without triggering side reactions that can stifle later purification. Tech transfer teams in pharmaceutical manufacturing have relied on this fact when switching between benchtop and production, reducing the need for scavenging excess base or purifying away messy silyl ether by-products. Our process control and experienced staff ensure reproducible lots — we do not wait for customers to flag drifting impurity levels or fouling agents.
Manufacturing specialty chemicals involves real risks and logistics — not just chemistry. Lines clog, temperatures drift, and inert atmosphere controls occasionally fail during bad weather or unexpected demand spikes. Each time, process engineers troubleshoot, document, and communicate new tweaks to the bench team. For MTS-acetamide, we learned through practice how silane handling in bulk can cause safety hazards, how glassware joints decay from trace acetic acid, and how resin in drum linings adsorbs trace silanes.
Our operators now wear personal sensors set for trimethylsilyl species during filling. Protective shrouds around vacuum transfer stations prevent exposure, reflecting the real physical hazards that must be managed in daily shifts. Because we run at scale, each abnormal batch invites an investigation, not a hurried workaround. We view every mistake as a lesson, feeding changes back into our production and packaging process. Over years, this kind of hands-on scrutiny hardens a manufacturer’s skillset more than any textbook review.
No product moves off our dock without a customer ready to transform it into value. Our technical team works directly with process engineers running production and R&D scientists in the lab. When customers report new applications — from high-throughput analysis to scale-up in dangerous chemistry — we build those lessons into our handling, shipping, and spec review cycle.
It is common for a customer’s technical specialist to call in the middle of a late-stage campaign regarding reproducibility, asking for targeted modifications or analytical data going back several lots. Our records, often stretching more than a decade, help solve their scale-up issues. Sometimes it means changing a headspace sample protocol or reviewing storage insight, but most often it is about understanding the details of their process as they adapt to changing demands. Our front-line chemists track which shipment matches which protocol, minimizing the cycle between confusion and solution.
Supporting our customers goes beyond technical sheets. For instance, in one major pharmaceutical trial, a user flagged trace formation of a silane adduct. Our plant team identified that the issue stemmed from a material fill line left open to humid air during a downshift. Adjusting our inerting sequence and repacking the shipment avoided future failures. Such feedback loops shape our approach, leading to ongoing improvements not dictated by outside standards but by real-world end use.
No manufacturing process ever truly stands still. Each new application or customer brings a request for a modified specification, novel packaging solution, or tailored analytic. Operating in the silyl functionalization niche, we see the changing face of chemistry from research to market. MTS-acetamide once addressed only small-scale derivatization in analytical labs but now supports large-scale drug syntheses, polymer precursor modification, and specialty coating development.
Our adaptability means frequent review of reactor protocols and periodic re-qualification of supply chain partners who provide our starting silanes. We keep a sharp eye on regulatory changes, auditing raw materials for compliance with the latest standards in global pharmaceutical and electronics manufacturing. Each change reverberates through the production process, with hands-on operator training and fresh validation runs before bulk shipments resume.
We do not declare a process finished based on specification sheet completion. Instead, we use site audits, pilot testing, and ongoing cross-talk with end users to perfect small operational details. Each unexpected result prompts a root cause review, and lingering complaints receive technical study—even when the problem falls out of the formal product spec. This attitude gives our customers confidence that our MTS-acetamide can enable their own innovation.
For a manufacturer, the most crucial element supporting MTS-acetamide production is honest feedback. Data from our instrumentation and process controls form one side of the equation, but direct reports from the field provide real insight. Our staff tracks downstream usage patterns, noting which analytic drift gets flagged first or which packaging detail connects to an unexpected spike in customer concerns. Half my day as a line manager involves sorting through these cases and feeding them back to production planning and process support teams.
Our ongoing relationships with customers raise the quality bar for us in ways that no audit can. Technical directors at large firms alert us to changing compliance requirements before they hit public notice. Academic partners occasionally share pre-publication results highlighting subtle incompatibilities or process improvements. These insights help us adjust delivery cycles, review analytical protocols, and flag new hazards or opportunities that existing standards alone would miss.
We see the push for greener and more sustainable chemistry accelerating, starting at our suppliers and moving through our entire operation. Manufacturing MTS-acetamide now means reviewing solvent recovery, minimizing effluent, and recovering trimethylsilyl sources — not just ticking regulatory boxes. This dialogue extends to our customers as they now incorporate lifecycle considerations into their own manufacturing audits.
On safety, we participate in industry consortia making sure new hazard data makes its way straight from literature to factory floors. Training, ventilation upgrades, and secondary containment plans all play a part in keeping the process both compliant and efficient. With growing scale, risk management evolves from paperwork to hands-on drills, rigorous job safety reviews, and real-time instrumentation connected to control rooms for immediate response.
Growth in the specialty chemicals field rarely comes from repeating last year’s batch. Instead, it means collaborating with users on bespoke formulations, supporting new process chemistry, and adapting to changing economic and environmental pressures. For us, MTS-acetamide remains at the front of this movement. Its versatility in the hands of skilled chemists creates new possibilities, and our job as manufacturers is to anticipate, react, and innovate alongside our customers.
Chemistry is only as good as the people and the discipline behind it. MTS-acetamide, in the hands of a trade chemist or a pharmaceutical manufacturer, represents the visible endpoint of countless decisions, adjustments, and experiments. Our approach reflects the lessons learned from missteps, the focus that only emerges after a production run stalls, and the communication required to pivot in response to customer needs.
While the molecule itself remains simple, the diligence backing its quality and adaptability defines its real value. Our experience as a manufacturer shapes every bottle and drum, from sourcing to synthesis to shipment. We stay committed to producing not just reliable reagents, but the dependable partnerships and shared knowledge that fuel real-world chemical innovation and progress.