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HS Code |
801728 |
| Chemical Name | Tetrabutylammonium Borohydride |
| Chemical Formula | C16H40BN |
| Molar Mass | 261.31 g/mol |
| Appearance | White to off-white solid |
| Melting Point | 60-65 °C |
| Solubility In Water | Soluble |
| Density | 0.963 g/cm³ |
| Cas Number | 21351-39-3 |
| Synonyms | TBA borohydride, TBABH4 |
| Storage Conditions | Store in a cool, dry place under inert atmosphere |
| Sensitivity | Air and moisture sensitive |
| Application | Used as a reducing agent in organic synthesis |
| Odor | Characteristic amine-like odor |
As an accredited Tetrabutylammonium Borohydride factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Tetrabutylammonium Borohydride is supplied in a 25-gram amber glass bottle with a secure screw cap and chemical hazard labeling. |
| Shipping | Tetrabutylammonium Borohydride is shipped as a hazardous chemical. It must be packed in tightly sealed containers, protected from moisture and air, and transported in accordance with regulations for flammable and reducing agents. Proper labeling and documentation are required. Avoid contact with oxidizers, acids, and ignition sources during storage and shipment. |
| Storage | Tetrabutylammonium borohydride should be stored in a tightly sealed container under an inert atmosphere, such as nitrogen or argon, to prevent moisture and air exposure. Keep it in a cool, dry place, away from heat, sparks, and incompatible substances like acids and oxidizers. Store in a designated chemical storage area with proper labeling, and ensure secondary containment for spill control. |
Applications of Tetrabutylammonium Borohydride in Industrial ManufacturingAs a producer specializing in high-purity Tetrabutylammonium Borohydride (TBABH4), we directly support established industries utilizing this reagent for its distinctive reactivity in selective reduction, hydride transfer, and synthesis. The following sections detail key application tracks where TBABH4 is integrated into downstream industrial processes, highlighting regulatory frameworks, formula incorporation, process stages, and resulting end products. 1. Active Pharmaceutical Ingredient (API) SynthesisLeading pharmaceutical manufacturers employ TBABH4 as a selective reducing agent in the synthesis of sensitive API intermediates, such as those involving carbonyl, nitro, or imine reduction steps, particularly when solubility in organic media is critical. The product enters multi-step flows where mild conditions and minimized water content are essential to maintain molecular integrity and process yields. Manufacturing and regulatory teams verify compliance with region-specific GMP and pharmacopoeial standards for technical-grade inputs. Industry compliance standards
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2. Electronic Specialty Chemicals ManufacturingTBABH4 supports semiconductor process chemical manufacturers needing precision hydride donors for controlled surface reduction, metal patterning, and deposition chemistries, notably in advanced packaging and substrate metallization. Given rigorous particle specification and contamination controls, TBABH4 is incorporated into formulations yielding high selectivity, compatibility with solvent-based systems, and minimal inorganic residue after use. Industry compliance standards
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3. Fine Chemical Reductive AminationProducers of fragrance chemicals, novel ligands, and pharmaceutical building blocks require TBABH4 for clean reductive amination, especially under water-free or phase-transfer conditions. The material’s compatibility with a broad array of aromatic and aliphatic aldehydes/ketones in organic media enables downstream manufacturers to achieve high selectivity and isolated yields with minimal aqueous by-product, reducing downstream purification load especially for high-value, low-volume compounds. Industry compliance standards
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4. Catalyst Regeneration in Petrochemical RefiningEngineering teams within petrochemical facilities use TBABH4 for on-site regeneration of transition-metal-based hydrogenation or hydroprocessing catalysts, supporting extended catalyst life and conversion efficiency. In these protocols, TBABH4 enables controlled reduction of deactivated metal centers without introducing insoluble residues common to inorganic hydride reagents, thereby maintaining throughput and minimizing downtime in continuous-flow reactors. Industry compliance standards
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5. Polymer Functionalization and Additive SynthesisManufacturers of performance polymers and specialty resins integrate TBABH4 in custom additive synthesis and polymer-end group reductions. This approach is important in producing materials with tailored physical properties, such as low-residual aldehyde levels in polyolefins, or to introduce stable functional handles for downstream crosslinking and compatibilizer production. The hydride is specifically charged where solubility and uniform reactivity with polymer-bound functionalities are required. Industry compliance standards
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Every batch of Tetrabutylammonium Borohydride we supply comes straight from our reactors, not from middlemen or warehouses repackaging bulk product. Our handling process follows decades of combined field experience, beginning with stringent raw material sourcing. We control the entire flow: from environmental humidity in our storage rooms to the sequence of charges in our glass-lined kettles. Over time, we have earned a reputation for crystal-clear transparency and traceability. Any scientist, process engineer, or procurement manager who tracks chemical quality knows contamination or small-variance issues in this compound don't stay hidden long — not in reductions with tight tolerances or under close QA. Layer after layer, we have built redundancies into our process, so what we deliver feels consistent, shipment after shipment.
In practice, many labs and chemical plants depend on a reliable source for quaternary ammonium borohydrides. Among the variants, Tetrabutylammonium Borohydride stands out in both versatility and stability. What draws chemists to this salt is its solubility profile. Traditional sodium or potassium borohydride fails in many organic media, leading to unpredictable yields or wasted solvent. With Tetrabutylammonium Borohydride, strong solubility opens reliable paths to reductions that were previously marginal or outright inaccessible. Teams scaling up from bench to kilo-labs often turn to us after disappointing runs with “reagent grade” sourced elsewhere.
We keep one steady model in routine production, targeted at high-demand industries and R&D programs. Molecular formula matches the literature standard for Tetrabutylammonium Borohydride, packed and delivered as a fine white to slightly off-white crystalline powder. Every production run is assigned a unique tracking number, matched to in-house analytical data verifying active hydride content and ensuring minimal moisture or byproduct amine residues. FTIR, NMR, and elemental boron analysis confirm the right compound is present batch after batch. We lean into open bottle testing, since air and humidity have an outsized role in real-world performance. Years of practical observations taught us not to overpromise on “shelf stability” if the handling process is sloppy. That’s why we batch-pack in dry room conditions and keep exposure to under five minutes — an old habit rooted in hard-won lessons.
Clients in pharmaceutical R&D, fine chemical synthesis, and academic labs come looking for a borohydride that outpaces sodium borohydride, especially where milder reaction conditions preserve sensitive substrates. The quaternary ammonium cation in our product allows it to dissolve in a broad spread of aprotic organic solvents — dichloromethane, toluene, THF, and others that barely touch other borohydrides. That matters when shifting to greener or higher-efficiency solvents, or when working with substrates too stubborn for conventional reducing agents.
In catalytic transfer hydrogenation, Tetrabutylammonium Borohydride really shows its edge. Because of its organic-solvent compatibility, the catalyst loading can drop, and the side-products reduce. We have an open dialogue with process chemists who shared back their wins: smoother alcohol formation, improved chemo-selectivity, and shorter reaction times. Working with palladium, nickel, or ruthenium-based catalysts, users often tell us the improvements show up not just in yield but in overall process safety.
Selective reduction of esters, amides, ketones, and nitriles opens up new synthetic strategies. Ester reductions that halt cleanly at the alcohol stage, amide conversions that avoid over-reduction, or functional group interconversions with narrow margins — countless papers cite these advantages. We keep close tabs on journals and conference posters, aware that feedback usually travels faster through these channels than through batch-release paperwork.
Comparing Tetrabutylammonium Borohydride with more familiar sodium or potassium salts shows both immediate and subtler distinctions in the reaction flask. The big leap is solubility: our customers running reductions in organic solvents see faster reactions and cleaner workups. Where sodium borohydride collects at the bottom as stubborn solids, Tetrabutylammonium Borohydride blends in smoothly — fewer filtration headaches, cleaner separations, and better reproducibility on scale-up. That adds up across dozens or hundreds of runs.
Traditional borohydrides tend to decompose more quickly in open air and release hydrogen — sometimes at inopportune times or in uncontrolled amounts. Our product resists that fate, allowing safer manipulation at the bench. Synthetics teams value this practicality, especially when dealing with highly functionalized molecules, moisture-sensitive intermediates, or when adapting protocols for less-experienced staff. Regular feedback from our partners echo this: less waste, less downtime, and fewer bottle returns flagged for visible decomposition.
Another technical benefit comes up in purification steps. Tetrabutylammonium salts often leave reaction mixtures easy to handle. That tricks down to scale: in kilo-level or pilot reactions, process engineers mention higher throughput as a direct result, reducing solvent use and simplifying downstream isolation.
We pay close attention to side-product formation, since uncontrolled impurity profiles can derail an entire downstream workflow. Tetrabutylammonium Borohydride consistently returns low levels of inorganic salts or amines. Our LC-MS and NMR monitoring keeps a watchful eye out for out-of-spec side-products, ready to pull back or blend raw materials if even minor anomalies crop up.
From a manufacturing perspective, we tune every step — not just the chemical formula, but the actual hands who produce it. Our operators document each pH check, every dry-down step, and the atmospheric controls at each filling line. That approach produces more than “acceptable” quality: it ensures reproducibility. Contract research teams can pick up where they left off, without the nagging hassle of reagent-related setbacks. We believe in real-time transparency, reflected in customer audits and regular process reviews by our technical management.
Clients bring us problems from the frontlines: sluggish reductions, difficult separations, shelf-life headaches, or endless supply disruptions from traders. We listen, adapt, and often modify packaging or documentation so their work can begin earlier each morning. One small example: a major generic API producer pointed out glovebox cross-contamination risks arising from inconsistent product bulk sizes. In response, we standardized our vial and drum packing — a subtle shift, but one driven by genuine feedback rather than marketing trends.
Reliability runs deeper than just hitting purity marks. Every finished lot comes with full impurity profiles, past storage records, and real-time support from synthesis experts mining years of troubleshooting experience in borohydride chemistry. We are firm about proper training — not every team approaches air-sensitive reagents the same way. Instead of generic hazard labels, we offer stepwise handling training, both remote and on-site.
Our biggest contributors to product integrity are packaging protocols and on-site analytical verification. For unopened bottles shipped under nitrogen, shelf life exceeds standard handling times in research labs. Technical support walks through bottleneck issues as they arise: whether a bottle sits opened a week too long or a batch entered a hot storage room, we collaborate to help customers manage unavoidable risk. If a customer reports any shelf-life drift, those findings go right back into our feedback loop, driving preventive improvements upstream.
Modern chemical manufacturing recognizes both opportunity and duty. Reducing agents, especially those involving hydride transfers, sit at the crossroads of performance and environmental risk. Through continuous improvement in our core process, we aim to minimize solvent usage, recycle leftover ammonium salts, and consolidate energy-intensive steps. Even modest percent improvements over the years yield meaningful reductions in waste flow — efforts that grant both cost and sustainability advantages to the end-user.
We regularly assess our upstream supplies, collaborating with trusted partners only after audit and test-batch reviews. Recent upgrades to our emission control systems reduced environmental load in our hydride recovery rooms, an internal goal made possible only through direct control over production, not mere paperwork sign-off.
Customers who shift from metal-based borohydrides to our Tetrabutylammonium salt often see a reduction in problematic inorganic byproducts, which reduces the downstream treatment burden. Less sodium or potassium means less reactive metal residue, which translates to easier waste handling for both small-scale and industrial sites. For teams focused on sustainability, this shift isn’t just paper-thin compliance, but marks real improvement in their environmental reporting.
No off-the-shelf strategy suits everyone. Over the years, collaborating directly with development chemists and process engineers, we’ve modified everything from batch scale to packaging format to analytical requirements. One customer needed a pre-dispensed single-use cartridge for sensitive pilot-plant dosing; another required microgram-sized vials for high-throughput combinatorial screens. Both cases involved direct shipping from our site, reducing the odds of mishandling in transit, and ensuring the batches reflected feedback from actual end users.
Maintaining close manufacturer-user interactions helps both sides. We regularly review project requirements in real time, tuning lead times and shipping protocols so that product arrives as needed. Feedback from real users, not indirect resellers, informs these changes — developers and engineers point out what works, where we can save time, and what features cause annoyance on the bench. We treat repeated small improvements as central to our relationship, not an afterthought.
Quality is not static. Regulatory trends, emerging academic findings, and hands-on reports combine to shape each new production cycle. Technicians and scientists throughout our plant train on the most recent safety guidance — not generic OSHA notes, but practical, up-to-date protocols that reflect both evolving standards and hands-on plant realities.
Sometimes, changes show up as modest tweaks: altering the drying curve, adapting the atmosphere in the packing room to new standards, or recalibrating detection limits for emerging impurity standards. Each step, guided by both outside learning and onsite expertise, pushes us closer to both higher performance and lower operational risk. We encourage customer site visits, believing that seeing the process first-hand builds trust faster than any data sheet.
From the smallest research groups to multi-ton fine chemical lines, customers require not just reliable product but reliable communication. Our manufacturing team monitors both email and phone — direct lines, not answering services or overseas hotlines. Any concern, from reagent appearance to behavior in specific solvents, triggers internal investigation and feedback, often in real time.
By controlling our production calendar and maintaining contract flex for priority users, we help steady both routine work and time-sensitive campaigns. Seasoned lab managers remind us that delays in sourcing or unexpected variation in chemical performance can spiral into lost development time and missed deadlines. Our commitment extends to flexible production slots, order tracking tailored to customer reporting needs, and regular update calls to bridge any gap.
We have handled last-minute increases in volume for process scale-ups, as well as urgent cold-chain shipments for sensitive users in differing climates. Our adaptability comes from internal control, not outsourcing. In each new logistical challenge, direct feedback from the shop floor and project managers ensures better resilience for the next cycle.
Tetrabutylammonium Borohydride from our reactors supports scientists and engineers developing new syntheses, refining process routes, and pushing the boundaries in selective reductions. Its ability to blend with diverse solvents, support higher selectivity, and minimize downstream cleanup delivers value at every scale. What sets our product apart is not a marketing phrase, but the direct application of continuous improvement in every lot we release. Feedback keeps us honest and grounds every update or process change in both facts and user experience.
Our mission as a chemical manufacturer does not end at the vessel or the loading dock. Each bottle carries a track record of hands-on adjustments, environmental care, and respect for the people behind each project. We remain at the forefront of borohydride technology not by standing still, but by actively listening and adapting, directly responsible for every crystal and batch that leaves our plant. Customers gain not only a key reagent, but a relationship grounded in accountability, transparency, and real results.