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Tetrabutylammonium Borohydride

    • Product Name Tetrabutylammonium Borohydride
    • Alias TBABH4
    • Einecs EINECS 252-362-3
    • 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
    VTB
    Specifications

    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 & Storage
    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.
    Application of Tetrabutylammonium Borohydride

    Applications of Tetrabutylammonium Borohydride in Industrial Manufacturing

    As 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) Synthesis

    Leading 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

    • Current Good Manufacturing Practices (cGMP)
    • ICH Q7: Good Manufacturing Practice Guide for Active Pharmaceutical Ingredients
    • United States Pharmacopeia (USP), if applicable to intermediates
    • European Pharmacopoeia (Ph. Eur.) cross-references for synthesis processes

    Typical usage ratio

    • Ranges from 1.0 to 1.2 molar equivalents relative to the reducible functional group; actual quantity adjusted based on substrate reactivity and impurity threshold limits verified by downstream QC.

    Downstream process integration

    • Added to anhydrous organic solvent reaction stages for reduction of ketones, aldehydes, or imines, followed by extraction and purification sequences prior to crystallization of API intermediates.

    Final product types

    • High-purity pharmaceutical intermediates
    • Bulk APIs for regulated markets
    • Intermediates for small molecule drug candidates

    2. Electronic Specialty Chemicals Manufacturing

    TBABH4 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

    • SEMI E49.4 (Specification for Ultra-Pure Chemicals)
    • ISO 9001:2015 Quality Management System
    • Customer-verified purity and trace metal specifications (sub-ppm level)
    • RoHS Directive (for restriction of hazardous substances in electronics materials)

    Typical usage ratio

    • 0.02–0.10% w/v in advanced etching, plating, or selective reduction baths; dosed based on required metal thickness and etch profile, with purity verified by ICP-MS at each batch intake.

    Downstream process integration

    • Charged directly into reduction tanks or deposition baths in controlled, closed-loop chemical delivery units under inert atmosphere to prevent contamination during via filling or wafer treatment.

    Final product types

    • Advanced logic and memory semiconductor wafers
    • Metallized substrates for microelectronics
    • Photolithography masking elements

    3. Fine Chemical Reductive Amination

    Producers 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

    • ISO 9001:2015 (relevant sections on batch traceability and process validation)
    • REACH Annex VI (for European market chemical handling)
    • Product-specific environmental and workplace exposure limits (e.g., OSHA, ECHA guidelines)
    • Internal QC specifications for residual hydride levels

    Typical usage ratio

    • 0.70 to 1.05 equivalents per imine unit in target molecules, adjusted as needed to limit over-reduction or formation of side products, confirmed via HPLC or GC-MS analytics post-reaction.

    Downstream process integration

    • Blended into reaction vessels for final-stage reductive amination under solvent control after imine preformation, followed by rapid work-up and in-line purification.

    Final product types

    • Specialty amines for aroma chemicals
    • Custom intermediates for agrochemicals and dyes
    • Catalyst ligands and polymerization additives

    4. Catalyst Regeneration in Petrochemical Refining

    Engineering 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

    • API Standard 682 (for rotating equipment materials in refinery service)
    • American Society for Testing and Materials (ASTM) D240-19 (chemical compatibility)
    • Environmental Protection Agency (EPA) RCRA compliance for waste minimization
    • ISO 14001 Environmental Management certification (site-level)

    Typical usage ratio

    • Applied within 0.05 to 0.20% w/w of catalyst mass, adjusting based on degree of catalyst poisoning and desired activity restoration; exact charge determined from spent catalyst diagnostic analysis.

    Downstream process integration

    • Injected during scheduled catalyst strip-out and reactivation cycles, often within inline regeneration columns or batch reactors under nitrogen blanket.

    Final product types

    • Hydrogenation-refined petrochemicals (e.g., benzene, toluene, xylene)
    • Fuels and lubricant base stocks with improved purity
    • Regenerated hydrotreating catalyst charges

    5. Polymer Functionalization and Additive Synthesis

    Manufacturers 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

    • ISO 9001:2015 for polymer chemical management
    • 21 CFR Part 177 (FDA food contact polymers, for downstream verification)
    • EN 71-3 (safety of toy materials, when applicable to consumer end-use)
    • Internal company MOC (Management of Change) tracking for additive batches

    Typical usage ratio

    • 0.05–0.30% based on total resin mass, ratio established through batch testing depending on polymer backbone reactivity and final extractables requirements.

    Downstream process integration

    • Added in pre-polymer mixing or melt-compounding phases, often under inert gas, to facilitate end-group reduction or additive formation prior to extrusion or molding.

    Final product types

    • Functionalized thermoplastic pellets
    • Compatibilizers for engineering resins
    • Specialty reactive polymer additives
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    Certification & Compliance
    More Introduction

    Tetrabutylammonium Borohydride — A Reliable Reducing Agent Direct from Our Plant

    Manufacturing Experience Sets the Standard

    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.

    About Tetrabutylammonium Borohydride

    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.

    Specifications that Support Real Workflows

    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.

    Application Insights: Where Tetrabutylammonium Borohydride Performs

    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.

    Differences You Can't Miss in the Lab

    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.

    Operating With a Manufacturer’s Mindset

    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.

    Supporting Quality and Safety at Every Step

    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.

    Pushing Toward Greener and Safer Production

    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.

    Capability for Customization — Direct Relationships Matter

    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.

    Continuous Learning and Responsive Change

    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.

    In-the-Field Support for Every Scale

    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.

    Supporting Success in Modern Chemical Synthesis

    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.