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HS Code |
611247 |
| Product Name | 3-Trimethylsilyl-2-Propyn-1-ol |
| Cas Number | 17623-33-9 |
| Molecular Formula | C6H12OSi |
| Molecular Weight | 128.24 g/mol |
| Appearance | Colorless to light yellow liquid |
| Boiling Point | 69-70°C (20 mmHg) |
| Density | 0.858 g/mL at 25°C |
| Melting Point | -20°C |
| Refractive Index | n20/D 1.424 |
| Flash Point | 74°C |
| Purity | Typically ≥98% |
| Synonyms | Trimethylsilylpropargyl alcohol |
| Iupac Name | 3-(Trimethylsilyl)prop-2-yn-1-ol |
| Solubility | Miscible with organic solvents |
| Storage Conditions | Store at 2-8°C, keep container tightly closed |
As an accredited 3-Trimethylsilyl-2-Propyn-1-ol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle with secure screw cap, labeled “3-Trimethylsilyl-2-Propyn-1-ol, 25g.” Includes hazard warnings and manufacturer details. |
| Shipping | 3-Trimethylsilyl-2-Propyn-1-ol should be shipped in tightly sealed containers, protected from moisture, heat, and incompatible substances. Transport must comply with local and international chemical safety regulations. Proper hazard labeling is required. Avoid rough handling and ensure containers remain upright during shipment to prevent spills or leaks. |
| Storage | **3-Trimethylsilyl-2-propyn-1-ol** should be stored in a tightly sealed container under an inert atmosphere, such as nitrogen or argon, to prevent moisture and air contact. Keep it in a cool, dry, well-ventilated area, away from sources of ignition, heat, and incompatible substances like strong oxidizing agents. Store at room temperature and protect from direct sunlight to maintain stability. |
Applications of 3-Trimethylsilyl-2-Propyn-1-ol in Industrial ManufacturingAs the direct producer of 3-Trimethylsilyl-2-Propyn-1-ol, we enable manufacturers worldwide to integrate this specialty raw material into advanced downstream processes requiring high purity, consistency, and precise functional modification. Below, we detail its established roles across critical sectors, highlighting compliance, dosage, operational deployment points, and types of produced end goods for industrial buyers and R&D scale-up teams. 1. Pharmaceutical Intermediate SynthesisPharmaceutical API manufacturers employ this compound as a synthetic intermediate, specifically as a protected propargylic alcohol in the multistep construction of active ingredients featuring alkyne motifs. Its silyl-protected structure allows controlled deprotection and onward conversion, enabling strict management of reaction pathways relevant to clinical target molecules. Industry compliance standards
Typical usage ratio
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2. Electronic Grade Crosslinkers for Photoresist FormulationsFabricators of semiconductor materials use this alcohol derivative within negative-tone photoresist formulations, where it acts as a crosslinking agent precursor. Its unique silyl-alkynyl structure introduces rapid crosslink responsiveness under lithographic irradiation processes and offers precise etch resistance, essential in advanced integrated circuit pattern transfer steps. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
3. Silicone Surface Modifier in Specialty CoatingsFormulators of specialty coatings, particularly for anti-graffiti and stain-resistant architectural paints, utilise the compound for its non-polar, hydrophobic silyl group and reactive terminal alkyne. It is introduced as a reactive modifier within polyurethane and acrylic systems, imparting long-term repellency and enhancing mar resistance in demanding outdoor and industrial contexts. Industry compliance standards
Typical usage ratio
Downstream process integration
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4. Organosilicon Intermediate for Custom Silane SynthesisOrganosilicon downstream manufacturers employ this molecule as a strategic intermediate for crafting bespoke trialkoxysilanes and functionalized alkynylsilanes, used in surface functionalization reagents and coupling agents. The reactive alkyne and silyl groups support sequential modification—via hydrosilylation or substitution—enabling customized molecular architectures for demanding material science projects. Industry compliance standards
Typical usage ratio
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5. Fine Chemical Building Block for Agrochemical R&DAgrochemical research divisions deploy this propargylic alcohol as a specialty building block for synthesizing novel alkynyl-substituted pyrethroids and related pesticide candidates. Its silyl-protected functionality provides controlled reactivity, supporting structure–activity studies during discovery and route evaluation stages. Industry compliance standards
Typical usage ratio
Downstream process integration
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Competitive 3-Trimethylsilyl-2-Propyn-1-ol prices that fit your budget—flexible terms and customized quotes for every order.
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Many outsiders picture chemical manufacturing as a faceless business, but working hands-on with every batch, every reactor, and every kilogram has its own stories to tell. We make 3-Trimethylsilyl-2-Propyn-1-ol from raw materials sourced with strict attention to their traceability and quality. Over the years, we’ve refined our process to a stage where consistency is no longer a marketing term — it’s what we check every day with our eyes, noses, and reinforcing analytics, ensuring the integrity of the product before shipping it to your sites.
You see, 3-Trimethylsilyl-2-Propyn-1-ol isn’t just another alkyne alcohol on the shelf. Chemists in synthesis labs, process R&D teams, and scale-up specialists in pharmaceutical and agrochemical fields call for high-purity, low-residual base material, especially during multi-step syntheses or when they risk damaging sensitive downstream intermediates. From the bench to the plant scale, subtle differences show themselves: traces of unremoved trimethylchlorosilane, off-colors, or high moisture instantly lead to batch setbacks, failed reactions, or lost time. That’s not a lesson from textbooks, but something you learn after seeing a pilot lot bring a halt to weeks of research — and we’ve seen it more than once, years ago.
We start from trimethylchlorosilane and propargyl alcohol under controlled conditions, matching our raw feed’s quality against reference spectra and using gas chromatography right from the charging stage. Throughout the process, we watch not only by instrument, but through careful temperature control, residual reactant quenching, and repeated filtration steps. Diethyl ether and hexane remain common solvents in these transformations, but residual solvents must never overstay their welcome.
Each batch offers a snapshot of our attention – not only does our 3-Trimethylsilyl-2-Propyn-1-ol consistently meet high-purity thresholds, but we actively screen for color, water, and trace silicon-containing side products. Internal standards are not just lab requirements; they’re mechanisms to root out the sources of trace impurities we encountered years ago, like unreacted starting material or residual acid from poorly neutralized washings, which cause batch inconsistencies in later synthetic steps.
Every specification sheet can list a minimum purity, but real life in the lab doesn’t conform to tables. 3-Trimethylsilyl-2-Propyn-1-ol with water content above a certain threshold makes for unpredictable Grignard reactions or alkynylations, wasting people’s time and causing headaches downstream. We regularly see new project inquiries from chemists frustrated with earlier suppliers whose colorless liquids had invisible flaws — UV impurities, off-beat isomers, or elevated silanols. Months of lost work often trace back to a batch with good paperwork but poor manufacturing oversight. The lesson is simple enough: a smooth reaction often starts and ends with the right grade of building block.
Our factory runs regular thermal, GC, and NMR checks for every product. It’s not bureaucratic box-checking; it’s a practical answer to the many calls we’ve gotten from customers who had to pause kilo-scale runs due to an unexpected residue. There isn’t a “middle grade” for certain applications: pharmaceuticals, cutting-edge materials development, and scale-up pilot plants demand unimpeachable consistency.
This reagent often acts as a protected acetylene building block, allowing chemists to introduce the trimethylsilyl group to shield the reactive triple bond and give controllable reactivity in multi-step organic synthesis. Protecting groups, as those in discovery and process development know, become a make-or-break issue at the gram-to-ton scale. Poorly protected intermediates lead to byproduct headaches. An unrefined version of 3-Trimethylsilyl-2-Propyn-1-ol might carry over enough impurities or moisture to degrade under storage or cause skipped yields, affecting sulfonation, coupling, or further functionalization steps. We’ve replaced pilot-level lots where competitors’ material gave lower alkynylation conversions or unwanted isomer formation, slowing down entire process campaigns.
Silyl-protected alkynes like ours perform a double function. They offer chemists a protected alkyne that deprotects under predictable conditions (often mild basic hydrolysis with fluoride sources), making it possible to introduce these groups early and worry less about early side reactions. Colleagues in medicinal chemistry appreciate the flexibility, but they’re quick to point out the frustration when fracture-points — contamination, low purity, or instability — make them lose more time than the initial synthesis would take. For those scaling up, processing kilo-lots safely and predictably is more than a spreadsheet exercise; they want strong, clean product they can rely on when a 400 L glass-lined reactor is running for 20 hours without babysitting every step.
This molecule’s combination of a trimethylsilyl group and a propargylic alcohol motif sets it apart from just using silyl-protected alkynes or simple propargylic alcohols individually. While classic propargyl alcohol makes a valuable building block as a nucleophile, it lacks the stability and selectivity in multi-step procedures. Many of our customers, especially those advancing from academic research to production, learn that unprotected acetylenes are magnets for polymerization and unpredictable byproduct formation. By providing the silyl-protected variant, we help chemists avoid troublesome polymerization, offering material that stores better, ships more safely, and reacts more cleanly in the planned step.
Direct analogs — for example, propargyl alcohol or terminal acetylenes lacking a silyl shield — can’t deliver the same synthetic selectivity, especially in delicate cross-coupling or click chemistry steps where side reactions mean major downtime. In contrast, our controlled synthesis route consistently yields a mono-functional, low-residue building block that transforms predictably under basic or fluoride-promoted deprotection. That means fewer intervention points and stronger process transfer from R&D to scale-up.
Even among silyl-protected acetylenes, there are major differences in performance traceable to boron or silicon byproducts, stability, and how well the alcohol group tolerates later-stage oxidation or substitution. We have tested side by side with commercial substitutes, and have seen how poor batch traceability or lax purification standards lead to colored residues or ever-so-slightly oily texture at room temperature — sure signs of higher-molecular-weight impurities. Once you’ve had to drain and clean a reactor because of a sticky, half-polymerized mess, you remember what counts in a supplier.
Having worked in the factory and on the development side, we hold true to a practical belief: specifications aren’t enough unless they make life easier for the chemists in the trenches. Our teams don't just rely on final-product analysis — they sample at several steps along the way, and have thrown out whole batches because a column breakthrough wasn’t as efficient as usual. That’s a lost shipment, but it’s how we protect our customers’ projects and our own pride.
We’ve settled on glass-lined reactors, double-vacuum distillation steps for critical intermediates, and regular equipment cleaning checks because of what we’ve actually seen, not just read. Sometimes you only realize what those “trace” residues can do after hearing about a chain-reaction problem at a client plant, where insufficiently pure intermediates spoiled days of work across multiple reactors. Our protocols have emerged from these lessons, where having to fix a main process stream, wash down lines, and requalify intermediate stocks costs far more than taking a zero on a reject batch.
Customers using this alcohol in pharmaceutical R&D, battery materials, fine chemical intermediates, and silicon-based surface treatments have told us that speed and reliability mean everything. It isn’t just our certificates that matter — it’s the on-the-ground ability to re-order, re-stock, and count on the same performance week after week. Our 3-Trimethylsilyl-2-Propyn-1-ol builds value beyond its chemical structure. We've been challenged to supply material for time-sensitive scale-ups, and we've heard relief from chemists who could finally run a catalytic cycle or cross-coupling without setbacks from trace polymerization or moisture-induced dropouts.
One research lab described how a single failed batch of lower-quality material led to lost substrate, missed deadlines, and a round of root-cause investigations. The cause: insufficiently pure silyl-protected propargylic alcohol, which set off a round of precautionary batch withdrawals across the site. Losses like these echo in research time and morale. Having faced such issues ourselves during pilot plant scale-ups, we share our batch history, impurity tracking, and retain product samples so partners know they’re not flying blind.
Being a manufacturer of specialty alkynols carries many practical lessons. You learn that every kilo you ship can power weeks of synthesis, or slow down an entire campaign if mishandled or poorly purified. We’ve solved issues with color, stability, and trace-metal content by working closely with clients, not just filling trucks and sending out invoices.
Clients in North America, Europe, and Asia have told us that access to documentation means nothing if the drum isn’t clean, the product inside isn’t stable, or unexpected failures surface under standard NMR or GC characterization. Over the years, we've re-invested in solvent purification, atmospheric controls, and batch-tracking software, but the most valuable capital comes from people who care about the product and their relationships. Our staff tracks lot histories and cross-references feedback directly with operators who actually handle the distillation, washing, and final product testing.
With new materials coming to market and processes growing in scale and complexity, the expectations on suppliers have risen. Researchers working on emerging technologies such as next-generation OLED materials, click chemistry, or silicon surface coatings look for reliability, no matter the size of the order. Whether you’re synthesizing just a few hundred grams or scaling up for multi-ton production, there’s no tolerance for surprises or letdowns.
Regulations may specify certain purity levels or impurity limits, but from our work, it is clear that real innovation cannot progress when chemists have to second-guess the quality of their reagents. We've maintained long-term partnerships by supplying samples, providing batch-level analytical data, and listening closely to users’ feedback. Our philosophy rests on one fact: the more transparent and predictable our material, the more confidence chemists gain to push boundaries and try new chemistry.
Real improvements come from listening. Our clients' stories make the biggest difference to how we operate. Batches rejected for minor color variations prompted us to change lighting and visual inspection protocols. An uptick in moisture content seen in late autumn initiated a full audit of our atmospheric controls around storage tanks. When one advanced materials lab noted a faint, off-odorous note — undetectable by instrument — we established a double-check with human panelists with experience distinguishing even subtle odors.
We didn't just add steps for show: over a five-year period, these improvements reduced batch-to-batch variation, cut deviation reports, and raised overall customer retention. A few grams of the wrong impurity, which some may consider “within spec,” could still derail an entire super-molecular assembly line. These lessons shaped how we refine our purification and tracking regimes.
Modern chemistry rarely tolerates uncertainty in key starting materials. Medicinal and process chemists plan months ahead based on project timetables with no leeway for reruns due to bad starting stock. 3-Trimethylsilyl-2-Propyn-1-ol’s proven stability and purity reduce process interruptions, lower the risk of unwanted side products, and give new projects strong foundations.
From the earliest steps, this compound allows chemists to shield sensitive alkynes, delay unwanted reactions, and maintain control over their synthetic timelines. Our approach is not to out-compete on price, but to build our name through dependability, technical conversations, and steady supply — the foundation for long-term science and engineering partnerships.
At the end of the day, our relationship with 3-Trimethylsilyl-2-Propyn-1-ol goes far beyond bulk shipment or ticking off documents. Every manufactured lot represents hands-on effort, shared experience, and a belief that the smallest deviations matter when a customer’s campaign relies on faultless chemistry. We understand that daily operations rarely run to the script — a minor contaminant or cutoff in supply can disrupt an entire project’s trajectory. By investing in the people, tools, and feedback that shape each batch, we aim to nurture trust, not just fulfill transactions.
In a sector known for rapid innovation and tight market pressures, we stay committed to delivering molecules whose reliability gets proven in the most demanding settings. We look forward to supporting researchers, developers, and technicians with every batch of 3-Trimethylsilyl-2-Propyn-1-ol, shaped by hard-won lessons, continual learning, and a hands-on approach to every kilogram.