Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
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Diborane

    • Product Name Diborane
    • Alias B2H6
    • Einecs 205-883-8
    • 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

    454278

    Chemical Name Diborane
    Chemical Formula B2H6
    Cas Number 19287-45-7
    Molar Mass 27.67 g/mol
    Appearance colorless gas
    Odor repulsive, sweetish odor
    Melting Point -165 °C
    Boiling Point -92.5 °C
    Density 0.493 g/L (at 0 °C, 1 atm)
    Solubility In Water reacts violently
    Autoignition Temperature 38 °C
    Flammability highly flammable
    Toxicity toxic by inhalation
    Vapor Pressure 1680 kPa (at 20 °C)
    Uses chemical synthesis, rocket propellant

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

    Packing & Storage
    Packing Diborane is typically supplied in 47-liter steel cylinders, clearly labeled with hazard warnings, pressurized, and fitted with gas regulator valves.
    Shipping Diborane is shipped as a compressed, liquefied gas in specially designed, seamless steel cylinders. It is highly toxic, flammable, and reactive, requiring strict labeling, leak-proof containment, and temperature control. Cylinders must be securely sealed, upright, and compliant with international regulations (e.g., DOT, IATA) for hazardous materials transport.
    Storage Diborane (B₂H₆) should be stored in tightly sealed, corrosion-resistant cylinders or containers, typically under an inert gas such as nitrogen. It must be kept in a cool, dry, and well-ventilated area away from heat, sparks, open flames, and incompatible substances like oxidizing agents. Proper labeling and strict temperature control are essential to minimize the risk of fire or explosion.
    Application of Diborane

    Applications of Diborane in Industrial Manufacturing

    Diborane serves as a specialized reagent and process gas in advanced chemical manufacturing. Thanks to its strong reducing properties and ability to introduce boron elements with high selectivity, diborane plays a pivotal role in a range of sectors requiring precise process control and strict quality systems. Below we outline verified downstream applications of diborane, including related compliance standards, industrial formulation usage, onsite process integration points, and representative final products from each sector.

    1. Semiconductor Boron Doping (Ion Implantation and Chemical Vapor Deposition)

    Large-scale fabrication of integrated circuits and discrete semiconductor devices relies on diborane as a controlled boron source. Ion implantation and chemical vapor deposition (CVD) units introduce diborane under ultra-pure and tightly regulated conditions, directly affecting junction depth, carrier concentration, and overall device yield in silicon wafer production. Use requires close adherence to international electronic chemical purity standards as contamination can compromise device integrity.

    Industry compliance standards

    • SEMI C3.65 (Specification for Diborane used in Semiconductor Manufacturing)
    • SEMI C1 (Purity Guide for Electronic Grade Chemicals)
    • ISO 9001:2015 (Quality Management Systems for Special Gases Production)
    • ULI 1686 (FMCS, Factory Mutual Cleanroom Suitability)

    Typical usage ratio

    • 1–50 ppm in process gas streams for CVD
    • 0.1–5% in dopant gas mixtures for ion implantation, depending on device design and doping concentration specifications
    • Exact concentration tailored to target sheet resistance and diffusion profile, as determined by device manufacturing protocols

    Downstream process integration

    • Gaseous diborane injection at the plasma or CVD chamber inlet for in situ boron doping
    • Boron dopant supply to ion source in high-energy ion implanters, synchronized with patterning and annealing sequences
    • Inline gas purification and monitoring integrated into mass flow control to prevent contamination and ensure reproducibility

    Final product types

    • Boron-doped monocrystalline silicon wafers
    • CMOS logic chips and memory ICs
    • Power semiconductor devices (e.g., IGBTs, MOSFETs)
    • Photovoltaic solar cells (p-type base)

    2. Boron-Containing Fine Chemicals Synthesis

    Diborane acts as a key hydride reagent in the industrial production of organoboranes for pharmaceutical, agrochemical, and specialty fine chemical production. It selectively participates in hydroboration of unsaturated substrates, facilitating downstream synthesis of boronic acids, boronate esters, and other boron-functional intermediates, subject to batch record traceability under cGMP or equivalent standards.

    Industry compliance standards

    • ICH Q7 (Good Manufacturing Practice for Active Pharmaceutical Ingredients)
    • 21 CFR Parts 210/211 (cGMP Regulations for Finished Pharmaceuticals)
    • REACH (EC 1907/2006) and CLP (EC 1272/2008) for chemical handling and registration in the EU
    • Local chemical safety and workplace exposure limits according to OSHA or ECHA regulations

    Typical usage ratio

    • 1–1.2 molar equivalents for hydroboration of alkenes/alkynes
    • Adjusted from 0.8–1.5 molar equivalents depending on substrate reactivity and yield optimization protocols
    • Handled in closed-loop reactor systems to minimize operator exposure

    Downstream process integration

    • Automated dosing into jacketed glass-lined or Hastelloy reactors for hydroboration under inert atmosphere
    • Immediate quenching with suitable oxidants or alcohols following completion of reaction
    • Monitoring of reaction kinetics, endpoint boron content, and subsequent transfer to purification units

    Final product types

    • Pharmaceutical-grade boronic acids (e.g., for Suzuki-Miyaura coupling)
    • Boronate esters for agrochemical intermediates
    • Catalyst precursors for asymmetric synthesis
    • Specialty reactive intermediates for advanced organic synthesis

    3. High-Purity Boron Synthesis for Specialty Alloys and Refractories

    The metallurgy sector utilizes diborane for thermal decomposition to produce high-purity elemental boron, which serves as a grain refiner and hardening agent in advanced alloy systems. The controlled pyrolysis of diborane delivers boron with exceptionally low contamination, meeting demanding specs for aerospace and nuclear-grade materials.

    Industry compliance standards

    • ASTM B386 (Specification for Boron Powder)
    • AMS 7871 (Aerospace Materials Specifications for Boron Alloy Additions)
    • ISO 9001:2015 (Quality Management for High-Purity Metals)
    • QC protocols according to customer or end-user qualification requirements

    Typical usage ratio

    • Pyrolysis conversion employs diborane gas at 2–10% by volume in carrier gas
    • Boron alloy additions: 0.1–1% by mass, customized to achieve specified grain structure or nuclear absorption properties
    • Process parameters tuned via argon or hydrogen carrier gas flow rates

    Downstream process integration

    • Continuous flow of diborane into high-temperature reactors (800–1200°C) for thermal decomposition
    • Direct collection of boron deposits as powder or filament, followed by sieving and packaging
    • Feeds downstream alloy melting and compounding operations for homogeneous distribution in base metal melts

    Final product types

    • Nuclear-grade boron carbide (B4C) powders and pellets
    • Aerospace superalloys with boron grain refiner additives
    • Boron-doped steels for cutting tools and high-stress applications
    • Refractory ceramics with enhanced hardness and stability

    4. Synthesis of Boron-Substituted Polymers and Advanced Materials

    Material scientists deploy diborane in the preparation of boron-doped polymers and composite materials, targeting advanced electronic, sensor, and optoelectronic applications. The material enables direct boron incorporation by controlled hydroboration-polymerization or as a doping agent during polymer curing, subject to advanced material certification protocols.

    Industry compliance standards

    • ISO/TS 80004-8:2013 (Nanotechnologies—Polymer composites)
    • ISO 10993 (Biocompatibility, for biomedical polymeric materials)
    • IEC 60747 (Semiconductor Devices, for electronic polymers)
    • Company-specific quality and safety auditing for advanced materials research

    Typical usage ratio

    • Boron content typically targeted at 0.01–1% by polymer mass
    • Diborane flow rates and concentration adjusted by desired electrical/optical property in finished material
    • Ratio determined in pilot-scale tests or per formulation specifications for given end-use

    Downstream process integration

    • Gas-phase diborane introduced during polymerization or post-synthesis modification within closed reactors
    • Doping during thin-film or fiber extrusion by co-injection with carrier gases
    • Monitoring of boron distribution and cross-linking levels during in-process QC

    Final product types

    • Boron-doped polythiophenes and conductive polymers for flexible electronics
    • Boron-containing polymeric sensors and membranes for analyte detection
    • Optoelectronic films and energy storage materials
    • Specialty polymer coatings with enhanced thermal or environmental stability
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    Certification & Compliance
    More Introduction

    Diborane: Purpose-Built for Demanding Environments

    Introduced from Core Expertise in Boron Chemistry

    Decades of hands-on work in boron chemistry have taught us that precision matters at every step. The story of diborane, chemical formula B2H6, is a textbook example of how materials that seem simple on a blackboard can challenge manufacturers in practice. Our facility handles diborane from its raw formation right through purification and packaging, shaped by experience with both the chemical and the realities of plant operations. Diborane emerges as a colorless, highly reactive gas, and the skills carved out of routine handling, meticulous process controls, and safe transport build real confidence in every cylinder that leaves our site.

    Rigorous Production Methods Set the Foundation

    Making diborane relies on tightly monitored reactions involving boron-containing starting materials and advanced hydride sources. We built process steps after years of adjustments and on-the-ground troubleshooting—from pressure controls to scrubbing protocols—to consistently hit high-purity marks. Analytical feedback comes directly from our in-house labs, supporting fast process corrections and keeping impurities at bay. This chemistry benefits directly from walking the shop floor, watching reactions respond to subtle changes in feedstock quality or reaction rates, refining each batch until it meets our target specs. By continually testing for byproducts like higher boranes or minute siloxane traces, we know exactly what goes into every delivery.

    Real-World Applications Informed by Field Demands

    We work directly with clients in semiconductor manufacturing, specialty ceramics, and high-energy fuels. They want diborane for its potent reactivity and its unique properties in both deposition and reduction environments. Our clients rely on diborane as a doping gas in silicon-based wafer fabrication, where process speed and device yield keep their doors open. Diborane delivers boron atoms into silicon lattices more efficiently than any alternative, supporting tight tolerance requirements in microprocessor or photovoltaic cell production. Knowing how trace metal contaminants can create headaches during downstream processing, we focus on keeping our gas free from alkali and transition metals that can leak into the customer's end products. Having a direct feedback loop with process engineers keeps us grounded in what problems actually hit the floor, rather than guessing from the lab.

    Outside electronics, high-purity diborane finds use in chemical vapor deposition processes for tailored ceramics and thin films. The differences really matter. As an example, diborane stands out against triethylborane or boron trichloride because it avoids adding halides, carbon, or heavy elements that might poison sensitive catalysts or leave unwanted residues in final coatings. Diborane’s clean decomposition means purer end-products, and our ongoing work with deposition specialists shapes how we approach gas purity, delivery consistency, and even the valve designs on our cylinders. All these small improvements trace back to usage in the field, where a sticky contaminant or inconsistent flow means thousands of dollars lost per hour.

    On the energy side, research teams choose diborane as a precursor for synthesizing higher boranes and for developing advanced rocket and specialty fuels. Given its energy density and unique combustion profile, the margin for error sits razor-thin. We drill into safe handling protocols, monitoring every step of the way to keep operations clean and under control. Experience with bulk transfer infrastructure translates into practical safety advice for our customers and means we can share real-life pitfalls and fixes, rather than just repeating data sheet warnings.

    Fine Details Behind Every Canister

    The diborane that leaves our filling lines is measured against purity levels suitable for semiconductor-grade work, regularly testing above 99.9 percent. Actual specifications matter less than understanding that every gram counts. A single percent shift in contaminant load can derail an entire run at the customer’s site. We sort production lots by application need, whether for CVD, diffusion furnaces, or laboratory research. Over time, we learned that no generic product satisfies everyone—feedback from both bulk buyers and small research outfits taught us to build product models tailored for gas phase delivery, micro-bulk supplies, and cylinder volumes appropriate for precise dosing.

    In terms of packaging, lessons learned after thousands of shipped units highlight the need for robust cylinder passivation, reliable valve compatibility, and materials that do not react with diborane. Stainless steel vessels and nickel-plated valves make up the bulk of our offerings, worked out by trial and error and constant review of corrosion and gas quality test data. We document every fill batch, retain samples for traceability, and actively encourage site visits and audits so customers can see how these steps translate into the reliability of their received product.

    Shipping presents its own learning curve. Any manufacturer who has dealt with diborane knows that local regulations, temperature swings in transit, and even altitude changes during air shipment can introduce wildcards. We build relationships with carriers who understand hazardous gas transport and back up every shipment with digital tracking and contingency plans for transit delays or exposure emergencies. Feedback from customers about these logistical details shapes how we label, track, and deliver, closing the loop on what actually works in real conditions. Instead of chasing abstract ideals, our systems solve real transport headaches before they show up at the loading dock.

    Comparisons With Other Boron Hydrides and Boron Gases

    Talking through the technical landscape, diborane’s role stands apart from close relatives like decaborane, pentaborane, or boron trichloride. Each class brings up trade-offs in surface reactivity, byproducts, and handling safety. Users looking for lower volatility or specific temperature stability often lean toward decaborane, but diborane’s higher volatility and lower decomposition temperature make it attractive for applications that need fast vapor-phase reactions or precision dosing at lower heat input. Over repeated runs, we noticed that end users care less about nameplate specs and more about consistent behavior in their own recipes.

    Compared to boron trichloride, diborane offers a halogen-free process for applications needing reduced environmental impact or less corrosive byproduct management. Our environmental audits, alongside partner projects with green chemistry groups, helped us quantify the practical reduction in post-process neutralization steps when switching from chlorinated boron sources to diborane—and those numbers play out directly in lower waste disposal fees and easier compliance reporting.

    From a safety standpoint, manufacturing diborane brings its own unique hazards. The ability of diborane to detonate under certain concentrations and its acute toxicity push plants like ours to invest in rigorous monitoring, remote-handling systems, and well-drilled emergency procedures. Plant teams dealing with pentaborane or ammonia boranes can trade stories about runaway reactions and venting events, but nothing replaces direct exposure to the day-in, day-out demands of continuous diborane operations. We take these lessons out to customer sites, supporting their training protocols and onsite audits so safe usage matches the standards we set for ourselves.

    Meeting End-User Expectations

    The voice of the customer drives every meaningful change. In the early years, even small silicon foundries requested regular, customized reports on impurity profiles. Their feedback on filtration stages and supply pressures changed our process. Semiconductor clients facing stepped-up production volumes began asking for quicker turnarounds, and electronics customers with new device generations needed newer, higher purity batches than industry had seen before. We adapted packaging and cylinder turnaround logistics based on their scheduling needs, adopted new analytical standards such as ICP-MS and advanced gas chromatography for trace metals, and brought in independent batch QC so every delivery stands up to critical audits.

    Research customers set a different tone, often needing smaller batch sizes, flexible delivery schedules, and support troubleshooting downstream process performance. We keep open lines of communication, sending technical staff on site or doing remote troubleshooting when deposition rates fluctuate or odd residues appear in film stacks. Our own experience with lab-scale upsets feeds directly into that support, whether it’s breaking down pressure regulator foibles, sticking valve actuators, or helping design safe venting and dilution systems for exhaust gases. We do not look for neat, one-size-fits-all solutions because chemical manufacturing throws curveballs. We answer them with firsthand experience and direct observations from the lab, manufacturing floor, and in customer settings.

    Continuous Improvements Partnered With Regulatory Insight

    Making and handling diborane sits in a strict regulatory environment. Over the years, we developed deep relationships with safety authorities, chemical transport regulators, and compliance certifiers. Our technical teams track local and international updates on exposure limits, transport approvals, and emergency planning. Our site embeds multi-step monitoring—continuous atmospheric sensors, leak-detection alarms tied directly to shutoff valves, and regular emergency drills addressing both internal and public safety. Drawing from real incidents, we refine our plant-wide procedures, pulling hard lessons from incidents and near-misses rather than rubber-stamping compliance paperwork.

    We also invest in outreach to end users—delivering hands-on education for plant safety teams and updating handling guides to reflect changing best practices. As an example, changes in cylinder return handling and decontamination routines grew out of feedback from both regulators and downstream customers dealing with unexpectedly persistent residues or cleaning inefficiencies. Through every phase—raw material sourcing, synthesis, purification, analysis, packaging, and post-sale support—diborane production benefits from lessons we didn’t just read about, but lived through. That practical lens shapes advice we give to new adopters and legacy users alike.

    New Horizons and Research Collaboration

    Demand for boron-based advanced materials and energy vectors keeps rising. As research turns to cleaner fuels, lighter functional ceramics, and new electronic device families, diborane’s role—as a building block and reactive source—grows in complexity. We invest directly into collaborations with academic groups and corporate innovation labs, supplying custom batch sizes or adapting separation technologies for projects that test the limits of what diborane can do.

    A recent wave of interest in two-dimensional boron materials led us to revalidate supply chains and batch testing protocols. Working side by side with materials scientists, we evaluated how trace hydrocarbon carry-over affects thin film morphology or device interface qualities. That hands-on feedback results in practical process changes back in our plant, not just theoretical quality certificates. It’s the kind of loop—research insights driving manufacturing tweaks—that brings real value to both us and the research teams, forging technical partnerships instead of just transactional business.

    Continuous product evolution keeps us on our toes. As safety and environmental norms get tougher, and performance specs tighter, we respond with regular upgrades to our gas purification, storage systems, and quality assurance protocols. We allocate real engineer-hours to investigating new passivation chemistries, new cylinder liner materials, and in-line impurity monitoring—tools that let us deliver diborane suited to tomorrow’s standards, not last decade’s.

    Shaping Diborane Offerings Through Practical Experience

    Competing products often look similar on paper, but choosing a supplier who makes, not just brokers, their gas brings long-term value. Our staff—down to cylinder handlers and process techs—have solved leaky seals, optimized fill rates to avoid over-pressurization, and learned through experience which storage rooms hold pressure best through wild temperature swings. We record and share hard data on shelf life by package type, not just standard storage conditions, letting clients choose for their actual process flows.

    We see the impact when a seemingly minor shift in impurity levels changes film adhesion or electrical characteristics. Routine internal reviews build this data into product release criteria, updating our models after each batch shipment. We avoid shortcuts, grounding every spec and process in field-tested results instead of textbook figures. This way, changes in production recipes or upgrades to the plant show up as better, more predictable diborane with each order.

    Supporting Real Outcomes for End Users

    In our view, diborane serves as more than a simple source of boron atoms. Its practical value lies in how well it slots into real-world manufacturing, research, and development workflows. From helping plant managers optimize gas-line switchover protocols, to troubleshooting pressure regulator snags in client CVD chambers, to supporting new compliance certification audits, our engagement with diborane covers the full spectrum of challenges and advances. Practical, continuous improvement through feedback, not just paperwork, defines how we approach every batch and every partnership.

    That approach helps us deliver value in every shipment, fielding questions and solving problems with tried-and-tested answers. Our involvement does not stop at the dock. Instead, we partner with end users for ongoing performance monitoring, on-site troubleshooting, and ongoing refinement of both product and process—guided by experience, not assumptions.