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Dibenzyl Diselenide

    • Product Name Dibenzyl Diselenide
    • Alias Benzylselenylbenzene
    • Einecs 218-888-2
    • 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
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    Specifications

    HS Code

    980135

    Name Dibenzyl Diselenide
    Chemical Formula C14H14Se2
    Molecular Weight 340.18 g/mol
    Cas Number 1508-82-3
    Appearance Yellow to orange solid
    Melting Point 59-62°C
    Boiling Point 313°C (decomposes)
    Solubility In Water Insoluble
    Density 1.45 g/cm³
    Purity Typically ≥98%
    Odor Characteristic unpleasant odor
    Storage Conditions Store in a cool, dry place, tightly closed
    Stability Stable under recommended conditions
    Synonyms Benzyl diselenide, Dibenzyl selenide
    Hazard Statements Harmful if swallowed, causes skin and eye irritation

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

    Packing & Storage
    Packing Dibenzyl Diselenide is supplied in a 25g amber glass bottle with a secure screw cap, labeled with safety and handling information.
    Shipping Dibenzyl Diselenide is shipped in tightly sealed containers, protected from light, moisture, and heat. It is handled as a hazardous material, requiring proper labeling and documentation. Transport is in compliance with local and international regulations for environmental and personal safety. Personal protective equipment is recommended for handling.
    Storage Dibenzyl Diselenide should be stored in a tightly sealed container, protected from light and moisture. Keep it in a cool, dry, and well-ventilated area, away from incompatible substances such as strong acids and oxidizers. Store it at room temperature and ensure proper labeling to prevent accidental misuse. Handle under an inert atmosphere if prolonged storage is required.
    Application of Dibenzyl Diselenide

    Applications of Dibenzyl Diselenide in Industrial Manufacturing

    Dibenzyl Diselenide serves as a specialty intermediate in several targeted industrial domains, facilitating value-added transformations through its unique selenium chemistry. We manufacture this raw material for customers with established processes in polymer modification, advanced electronics fabrication, organic synthesis for pharmaceuticals, and chemical research sectors. Below, you will find specific downstream scenarios reflecting established market uses, with details on industry standards, process dosage, production integration points, and the end products routinely manufactured by our clients.

    1. Advanced Polymer Stabilization for Polypropylene and Polyethylene

    Dibenzyl Diselenide is employed as a thermal and oxidative stabilizing component in high-value polymer processing, particularly for extending durability in polypropylene and polyethylene resins used in critical electrical and automotive applications. Its selenium-based molecular structure assists in radical scavenging and polymer chain protection, supporting processors working to meet technical service lifespans for molded, extruded, and film-grade resins under stress conditions. Downstream manufacturers must conform to demanding compliance expectations for electrical insulation and interior automotive parts where extended performance at variable temperature is required.

    Industry compliance standards

    • UL 94 Flammability Standards (Underwriters Laboratories)
    • ISO 11358:2014 (Thermogravimetry of polymers)
    • ASTM D638 (Standard Test Method for Tensile Properties of Plastics)
    • OEM-specific automotive durability protocols (e.g., VW TL 52361, GM GMW16343)

    Typical usage ratio

    • 0.02–0.15% w/w, based on polymer weight
    • Adjusted according to required heat aging properties and compatibility with other stabilizers

    Downstream process integration

    • Compounded with resin in twin-screw extrusion machines prior to pelletizing
    • Integrated into masterbatch formulations for subsequent dilution during molding or film blowing
    • Added at the polymer feed hopper or pre-blended before extrusion start-up

    Final product types

    • Automotive interior trims and dashboard components
    • Insulating films for cables and wires
    • Electrical housing materials
    • Household appliance parts with extended service life requirements

    2. Organic Selenium Source in API Intermediate Synthesis for Oncology Research

    In pharmaceutical fine chemical manufacturing, Dibenzyl Diselenide is utilized as a selenium donor in multi-step syntheses to prepare organoselenium intermediates, primarily for anticancer agents under early-phase drug development. Research and pilot-scale pharmaceutical operations integrate the selenium moiety from this compound with strict traceability and purity requirements, supporting projects progressing under international clinical and toxicological scrutiny. Its role is structurally specific and cannot be substituted without altering downstream synthetic targets.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP <823> & <825> (Radioactive Pharmaceuticals, where relevant)
    • 21 CFR Part 211 (FDA cGMP for Finished Pharmaceuticals)
    • Ph. Eur. 5.8 (Limits for Selenium in pharmaceutical production)

    Typical usage ratio

    • Stoichiometry typically ranges 0.9–1.1 equivalents relative to target intermediate, batch-adjusted based on synthesis yield optimization
    • Common feed ratio: 0.5–5 mol% of total reactant mass in coupling steps

    Downstream process integration

    • Introduced during organoselenium coupling reactions at elevated temperature under inert atmosphere
    • Employed at early or mid-stage synthesis for selenium atom transfer in multi-step organic synthesis routes
    • Purified post-reaction by chromatography or precipitation before proceeding to next synthesis stage

    Final product types

    • Selenium-containing drug lead compounds
    • API intermediates for targeted chemotherapeutic agents
    • Synthetic standards for oncology-related selenium analog research
    • Reference compounds for preclinical toxicology assessment

    3. Semiconductor Selenization Agent in Thin-Film Photovoltaic Manufacture

    Dibenzyl Diselenide finds specialized use as a controllable selenization source in the fabrication of copper indium gallium selenide (CIGS) photovoltaic cells and other selenium-based semiconductors. When precisely vaporized or decomposed, it releases selenium under moderate temperatures, facilitating film uniformity and controlled doping levels required for industrial-scale solar cell production. Customers engaging this technology must rigorously meet renewable energy material regulations and assure reproducible photovoltaic device performance.

    Industry compliance standards

    • IEC 61215-1:2021 (Terrestrial Photovoltaic Modules – Design Qualification)
    • RoHS (Restriction of Hazardous Substances) compliance for heavy metals
    • SEIA (Solar Energy Industries Association) PV module stewardship protocols
    • ISO 9001-certified quality management for electronics manufacturing

    Typical usage ratio

    • Loading rates depend on substrate area and desired selenium incorporation; typically 1.5–3.0 g per m2 of thin-film surface
    • Fine-tuned by layer thickness, desired doping profile, and atmospheric conditions in the reactor

    Downstream process integration

    • Decomposed or vaporized within closed selenization chambers post metal precursor deposition
    • Fed via controlled carrier gas systems for uniform selenium delivery to substrate surface
    • Residue carefully recovered and recycled to minimize process loss and comply with EHS protocols

    Final product types

    • CIGS thin-film photovoltaic modules
    • Selenium-doped CIS or related semiconductor wafers
    • Photodetector elements for optoelectronic devices
    • Lab-scale research samples for new energy material development

    4. Fine Chemical Selenation Reagent in Material Science Laboratories

    Academic and institutional research laboratories employ Dibenzyl Diselenide as a bench-scale selenation reagent for synthesizing functionalized organoselenium compounds, chalcogenide clusters, and ligand precursors. Its reactivity profile makes it valuable for reproducible studies on redox switching, coordination chemistry, and catalysis. These uses require trace impurity documentation and batch consistency, supporting published studies and funding-accredited laboratory controls.

    Industry compliance standards

    • ISO 17025 (General requirements for laboratory competence)
    • GLP (Good Laboratory Practice) guidelines for academic and industrial research
    • University, institutional, or national chemical inventory regulations
    • Material Safety Data Sheet (MSDS) provision for handling and disposal

    Typical usage ratio

    • 0.01–0.5 mmol per reaction, adapted to synthetic target, reaction scale, and mechanistic study
    • Accurate measurement critical; often used equimolar or in slight excess to nucleophile

    Downstream process integration

    • Added to reaction flask during nucleophilic or electrophilic selenation step
    • Typically dissolved in organic solvent, with atmospheric control adapted to substrate sensitivity
    • Chemical waste streams isolated for selenium-specific EHS compliance

    Final product types

    • Specialty organoselenium reagents for structure-reactivity studies
    • Novel chalcogenide ligands for metal complexation research
    • Redox-active organic frameworks
    • Prototypes for future applied material applications
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    Certification & Compliance
    More Introduction

    Dibenzyl Diselenide: Precision from the Manufacturer’s Perspective

    An Introduction Forged in Experience

    Dibenzyl Diselenide stands out in the field of selenium chemistry for its reliable performance and broad versatility. Manufacturing this compound comes with unique challenges that turn into strengths on the production floor. With the formula C14H14Se2, Dibenzyl Diselenide forms as yellowish crystalline solids, shaped by precise stoichiometry and strong quality control measures all the way from raw selenium sourcing to final purification. Our technical teams follow closely calibrated processes to preserve high purity, minimal contamination, and consistent particle morphology—a necessity, not a luxury, when this product heads toward sensitive laboratory and industrial applications.

    What Sets Our Material Apart

    Our ongoing investments in synthesis routes and analytical instrumentation allow us to deliver Dibenzyl Diselenide with high assay values, typically exceeding 98%. In-house processing enables batch tracking, real-time impurity monitoring, and speedy adjustments to synthesis conditions. Seasonal swings in raw selenium quality and fluctuations in reagent purity can present obstacles, but hands-on knowledge of every step—oxidation, coupling, crystallization, and drying—means our teams catch issues before any customer sees them. We dedicate time and resources to avoid batch-to-batch variation, and we hold each shipment to specifications for melting point, color, and particle size range.

    From Factory to Field: Intended Uses

    In our experience, chemists and engineers value Dibenzyl Diselenide for its precise molecular reactivity. It plays an essential role in organic synthesis as a selenium transfer reagent, a building block for organoselenium compounds, and a mild oxidizing or reducing agent. Pharmaceutical developers use it to introduce selenium atoms into new molecules, and materials scientists tap into its dual benzyl and selenium content for experimental film coatings or doping studies. Environmental research laboratories harness its selective reactivity to simulate or detoxify selenium species.

    Because each application has demanding purity requirements, our strict internal lot control delivers samples with minimal 1,2-diphenylethane, benzyl selenol, or elemental selenium. Robust analytical support—the routine use of NMR, GC-MS, and elemental analysis—lets clients trust purity readings they can cross-check on their own instruments.

    Model by Design, Not by Chance

    Our current production model for Dibenzyl Diselenide draws on years of incremental process refinement. Beginning at the reactor level, we hone temperature and flow profiles for maximum yield and minimal byproducts. Every kilogram released under our main spec undergoes quality assurance against set physical and chemical standards. For customers with demanding syntheses, we can prepare custom morphologies or increased purity, only after careful risk and feasibility review. There are occasions when larger particle sizes or specifically fractionated cuts offer better compatibility with mechanochemical reactors or pilot plant flows.

    Packaging also matters. Dibenzyl Diselenide remains sensitive to excess moisture or airborne contaminants. To address this, packing operations run under inert atmosphere, and final containers receive tamper-proof closures and double seals, reducing risk of cross-reactivity, oxidation, or accidental waste.

    The Difference in Purity, Structure, and Handling

    Compared to other diselenides such as diphenyl diselenide or dimethyl diselenide, the benzyl group on both ends gives unique reactivity and handling properties. While aromatic diselenides can sometimes form sticky residues, our product’s crystalline nature supports easier weighing, dissolving, and portioning. Our on-site purification leads to lower levels of persistent organic impurities. Benzyl-based selenium reagents show reactivity profiles distinct from the aryl and alkyl diselenides, providing moderate reactivity that suits stepwise synthesis and intermediate storage.

    We’ve observed that laboratories switching from off-brand or repackaged Dibenzyl Diselenide frequently encounter yellowing, thickening, or a faint sulfur odor—tell-tale signs of air or moisture exposure during handling and storage. Over years of feedback, customers consistently describe our sealed, vacuum-packed batches as easier to work with. Our production records support shelf stability at room temperature under proper storage away from strong acids and bases.

    Sourcing, Security, and Batch Consistency

    From experience, the purity and consistency of Dibenzyl Diselenide run back to raw selenium sources. Our procurement specialists evaluate vendor traceability, element ratio guarantees, and production timelines, searching for supply chain weak points before they grow into product defects. We continually invest in supply-side reliability to avoid disruptions—a principle that saves time and costs for our downstream partners.

    Batch manufacturing enables us to store production history, test results, and analytical traces for every drum of Dibenzyl Diselenide shipped. Our quality department responds directly to clients’ method questions, providing not only spec sheets but also historical batch data and third-party verification where warranted. If an uptick in solvent traces or moisture is detected during random sampling, our team investigates the process from start to finish, not just the visible output.

    Supporting Innovation—A Grounded Perspective

    Pharmaceutical and academic customers often push for custom grades. Some request ultra-high purity; others need modification at the granulation or micronization step. After multiple pilot campaigns, we found that adapting to a customer’s need often means running real-time synthesis, rather than relying on post-production purification. That approach streamlines fulfillment and tackles root-causes at the source rather than masking them through washing or filtration.

    New applications, such as advanced catalysis or redox biology, demand not only greater purity but also record-keeping that shows product stability, batch heritage, and contaminant profiles over time. We keep active communication lines with academic teams, providing access to technical support, impurity tracking, and product recall documentation if such need arises. Many regulatory approval processes rely on such transparency in documentation—this openness stems directly from engaged, hands-on manufacturing, rather than outsourced oversight.

    Environmental and Safety Commitments

    Safety with selenium compounds deserves emphasis. Though Dibenzyl Diselenide exhibits lower volatility than some dimethyl or dialkyl analogues, all selenium specialty chemicals warrant careful handling. Our staff train on the specifics of sealed transfer, vacuum distillation, and safe disposal. Internal audits and periodic refreshers help internalize best practices, which we share openly with downstream partners. Lab teams receive up-to-date material guides, and we help clients design containment and emergency plans suited to their operations.

    On the environmental side, waste minimization does not end at our property line. We consult on closed-loop processing, help design secondary capture systems for selenium waste, and pursue low-solvent and low-residue methods where feasible. Risk of accidental selenium discharge drops when end-users work with pure, well-characterized products—concentration in byproducts falls, and the baseline for emissions control improves.

    Continuous Feedback and Technical Support

    With every new customer and each production campaign, feedback loops tighten. Sometimes a client’s process flags a previously undetectable contaminant. At times, a research team’s results prompt us to alter raw material vendors or process timing. We value these interactions as triggers for improvement, not annoyances. Our documentation and change control systems log every adjustment, and our core lab supports compendial specification checks and custom impurity identification.

    Technical questions rarely stop at "what’s in the drum?" Experienced chemists probe retest intervals, stability after repeated opening, or alternative crystallographic forms. We do not shy away from these details. Our staff respond with specifics—lot numbers, stability data, actual % moisture uptake—and connect users to process chemists who can dissect a failed run or recommend compatible solvents or storage regimes.

    Improvement, Not Commoditization

    Pressure to cut costs and speed deliveries challenges every manufacturer today. Over time, we have witnessed the pitfalls of commoditizing specialty reagents. Making Dibenzyl Diselenide carries risks—from raw selenium price shocks to improper handling during storage or shipping. But uncontrolled variation, like uneven grain size or improper capping, usually leads to compounded problems later, from failed reactions in a lab to failed device prototypes.

    Direct engagement between the synthesis teams and customer-facing managers ensures continuous improvement—not just on paper, but in practice at the reaction vessel. Internal reviews extend beyond paperwork to hands-on walkthroughs, recalibrating production when results lag and sharing actual error cases during cross-training. By resisting the pressure to "cut corners," we create a stable base for innovation, not just another item on a catalog page.

    What Production Realities Teach

    The value of Dibenzyl Diselenide deepens through production realities rather than theoretical comparison. Each kilogram that leaves our facility stands as the result of phosphorus-free synthesis. Unlike resold or repackaged offerings—often harvested from undefined sources or with little oversight—our product demonstrates traceable batch lineage, strict impurity thresholds, and full chemical accountability. Sodium and potassium content remain tightly controlled, as even ppm-level metal residues can spell trouble for sensitive chemistry experiments.

    The demands of end users drive us to refine, document, and reinvest in the synthesis process. Each customer question reveals a potential pathway to improvement. Over the years, this culture of response and adaptation guided both large-scale and research-grade output. Hard-won stability and purity improvements become standard offerings, not just premium features.

    The Road Ahead: Listening to the Field

    Market shifts—such as new pharmaceutical innovations, advances in organic functionalization, or stricter regulatory controls—have driven us to adapt. Customers expect faster lead times, deeper impurity analysis, and supporting data on environmental compatibility. Our teams maintain open conversation with both users and industry peers, balancing regulatory compliance with technological progress.

    As academic and industrial labs look for more sustainable and predictable sources of Dibenzyl Diselenide, we expect feedback to become ever more specific, not less. Requests now span tighter impurity tolerances, reduced packaging weight, and compatibility with new analytical protocols such as ultrahigh-resolution chromatography. Meeting these evolving standards means not simply maintaining legacy production, but growing technical competence and investment at every stage.

    Partnering with Chemists—A Real-World Commitment

    Dibenzyl Diselenide enters the most critical steps of our customers’ workstreams. The role of the manufacturer does not end after packing and shipping. By offering a product informed by direct synthesis, in-house purification, proactive quality management, and transparent documentation, we provide more than a supply chain node. This ongoing exchange of application detail, handling expertise, and improvement feedback strengthens research and production on both sides. Such partnership lays the foundation for real progress, whether in next-generation pharmaceuticals, electronic materials, or analytical innovation.