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

Selenium Oxychloride

    • Product Name Selenium Oxychloride
    • Alias SelOxy
    • Einecs 236-881-5
    • 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

    458869

    Chemicalname Selenium Oxychloride
    Chemicalformula SeOCl2
    Molarmass 150.32 g/mol
    Appearance Colorless to pale yellow liquid
    Density 2.12 g/cm3
    Meltingpoint -24°C
    Boilingpoint 192°C
    Solubilityinwater Decomposes
    Odor Pungent
    Casnumber 7791-23-3
    Refractiveindex 1.607 at 20°C
    Vaporpressure 3 mmHg at 25°C

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

    Packing & Storage
    Packing Selenium Oxychloride is packaged in a 500 mL amber glass bottle, securely sealed, with hazard labeling and chemical information displayed.
    Shipping **Selenium Oxychloride** should be shipped in tightly sealed containers, resistant to corrosion, and clearly labeled. Store and transport it in a cool, dry, well-ventilated area, away from moisture and incompatible substances. Handle as a hazardous material following UN number 2639, with appropriate protective measures and regulations for toxic and corrosive chemicals.
    Storage Selenium oxychloride should be stored in a tightly sealed container made of glass or compatible material, in a cool, dry, and well-ventilated area away from moisture and incompatible substances such as strong bases or oxidizers. It must be kept away from direct sunlight and sources of ignition. Proper labeling and secondary containment are recommended to prevent leaks or accidental exposure.
    Application of Selenium Oxychloride

    Applications of Selenium Oxychloride in Industrial Manufacturing

    Selenium oxychloride serves as a key reagent and intermediate across specialized industrial sectors requiring controlled selenium introduction or oxychloride functionalization. Our direct synthesis processes ensure consistent grade and batch quality, aligning with the advanced needs of chemical, electronic, and pharmaceutical manufacturers globally.

    1. Fine Chemical Synthesis for Selenium-Based Pharmaceuticals

    This material plays a critical role in producing seleno-organic intermediates for specialty pharmaceutical APIs, enabling site-specific selenium incorporation that conventional methods cannot achieve. Its use supports multi-step syntheses involving selenation, arylation, or halogenation, particularly for molecules targeting oncology and neurological indications. Operations must adhere to regulatory expectations for residue control and implement rigorous in-process monitoring for trace purity and elemental selenium profiling.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • European Pharmacopoeia 2.4.27 (Limits on selenium compounds)
    • FDA 21 CFR Part 211 (Finished Pharmaceuticals GMP)
    • REACH Registration for handling and downstream substance safety assessment

    Typical usage ratio

    • 0.01–0.08 molar equivalents relative to the target backbone substrate, adjusted according to required selenization intensity and API design

    Downstream process integration

    • Added during controlled selenation or chlorination stages inside closed glass-lined reactors under inert atmosphere; reaction time, temperature, and feed rates precisely regulated to minimize unwanted by-products and residual selenium.

    Final product types

    • Anti-cancer active pharmaceutical ingredients (examples: Se-methylselenocysteine, selenadiazole derivatives)
    • Neuroprotective seleno-compound APIs
    • Intermediates for enzyme-inhibitor research
    • Custom seleno-organic molecules for clinical trial materials

    2. Liquid Crystal Display (LCD) and High-Resolution Optical Glass Production

    Precision glass manufacturers and electronics companies apply selenium oxychloride in the controlled doping of high-refractive and specialty optical glasses. Selenium’s presence fine-tunes optical transmission properties and color correction, benefiting flat-panel displays and advanced camera lenses. Batch consistency and low chloride impurity levels are vital for reproducible optical performance and defect-free melting.

    Industry compliance standards

    • ISO 12123:2010 (Chemical analysis of glass — Determination of selenium content)
    • IEC 61290-1 (Optical glass standards for electronic devices)
    • RoHS Directive 2011/65/EU restrictions on hazardous substances
    • Internal QA criteria for LCD glass panels (panel manufacturers’ specifications)

    Typical usage ratio

    • 10–150 ppm selenium introduced via oxychloride route, based on target refractive index and transmission curve (precise levels tailored during laboratory optimization)

    Downstream process integration

    • Selenium oxychloride infused into molten glass batches in enclosed furnaces, with real-time spectral monitoring; QC sampling at both pre-furnace solution and post-annealed block phases to ensure precision selenium distribution without introducing chloride stress cracks.

    Final product types

    • LCD substrate and alignment layer glasses
    • High-precision camera and microscope lenses
    • Flat-panel display cover glass
    • Selective transmission specialty glass for photonic components

    3. High-Purity Selenium Precursor in Semiconductor Thin Film Deposition

    In microelectronics and photovoltaic device production, selenium oxychloride provides a reliable and highly pure selenium source for chemical vapor deposition (CVD) and atomic layer deposition (ALD) processes. Its controlled reactivity ensures uniform film growth needed for precise semiconductor junctions or photoactive device layers, especially for copper indium gallium selenide (CIGS) and CdSe thin films. Stringent handling standards apply to prevent contamination and selenium volatilization losses.

    Industry compliance standards

    • SEMI C53 (Specifications for selenium chemicals for semiconductor use)
    • IEC 61249-2-21 (Requirements for base materials in electronics)
    • ISO 14001 (Environmental management for semiconductor fabs)
    • RoHS 2011/65/EU (Electronic substrate restrictions and documentation)

    Typical usage ratio

    • 0.5–2% by mass selenium precursor relative to the total metallic film forming agents, based on targeted film thickness and crystalline orientation

    Downstream process integration

    • Fed as an anhydrous liquid or vapor-phase precursor into CVD or ALD chambers at precise flow rates; selenium oxychloride introduced just ahead of substrate to ensure immediate film nucleation, followed by rapid exhaust scrubbing to capture any excess vaporized selenium species.

    Final product types

    • Photovoltaic cells (CIGS, CdSe type)
    • Thin-film transistors and semiconducting diodes
    • Electronic sensor chip substrates
    • Specialized optoelectronic thin films

    4. Laboratory-Scale Selenation Reagents for Synthetic Research

    Academic and corporate research laboratories source selenium oxychloride as a key selenation agent to synthesize reference compounds, chemical standards, and novel selenides for material science exploration. Reagent-grade specifications focus on guaranteed trace impurity levels and packaging in inert-coated containers. Users must document handling according to hazardous chemical regulations and track all selenium waste pathways for compliance.

    Industry compliance standards

    • OECD Test Guidelines for Chemical Safety (Section 1–6 as applicable)
    • GLP standards for laboratory reagents (OECD Principles)
    • Local country chemical handling and disposal regulations (e.g., EPA RCRA in the US, EU CLP)
    • Material transfer and tracking logs for selenium compounds

    Typical usage ratio

    • 1–10 mmol per synthetic equivalent; chemists adjust scale based on intended molecular transformations or pilot material requirements

    Downstream process integration

    • Dosed by micro-syringe or precision pipette into borosilicate reactors under controlled temperature and agitation, typically followed by aqueous or organic quenching and triplicate phase washings to recover pure selenide products for analysis or scale-up.

    Final product types

    • Custom selenide reference standards
    • Intermediate molecules for material innovation
    • Seleno-organic ligands for catalyst development
    • Analytical calibration samples (trace element testing)
    Free Quote

    Competitive Selenium Oxychloride prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: admin@sinochem-nanjing.com

    Get Free Quote of Sinochem Nanjing Corporation

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    Selenium Oxychloride: Our Perspective from the Factory Floor

    What We Manufacture and Why It Matters

    Selenium oxychloride stands out as more than another chemical compound in our catalog. Every drum that leaves our site builds on decades of real experience working with selenium compounds, maintaining tight controls over both process and purity. Through each batch, we see the importance of consistent composition and well-understood specifications. This isn’t just a matter of meeting the specs printed on a lifelong datasheet—it’s about delivering reliable performance for chemical synthesis, electronics, and specialty applications where quality makes a difference.

    Short Paths, Strict Controls

    On the shop floor, we know exactly what goes into our SeOCl2. We feed selenium dioxide and thionyl chloride through a careful balance; raw materials are sourced for their purity, and our helpers in the lab test every stage. Maintaining a colorless to pale yellow liquid means more than cosmetic appeal—it shows the absence of trace contaminants that would signal poor control. Even the faint pungency of its odor is monitored because changes can indicate decomposition that could compromise downstream science or manufacturing. Our models and lots all reflect this same underlying approach, whether shipped by the drum or custom-packed per client request.

    Getting Specific: Purity and Performance

    Customers often ask what sets our selenium oxychloride apart from others in the market. The answer lies in the balance between chemistry and handling. We consistently target purity levels of not less than 99.5%, and for specialty electronic or high-grade optical requirements, tighter fractions go through extra purifications. This involves fractional distillation and repeated analysis by our in-house technicians, who don’t just rely on the numbers but respond to any signs of problematic side reactions or hydrolysis. Each batch is matched against a running quality control record so we can spot trends, track performance, and meet the real-world needs of research or production teams downstream.

    Working with Selenium Oxychloride

    Anyone who's handled this compound knows it doesn’t take shortcuts. Our engineers have learned the hard way that even small traces of water can set off violent hydrolysis—an issue for safety, stability, and product usability alike. We use custom-sealed containers, dry nitrogen blankets, and positive pressure rooms to eliminate humidity. This keeps the oxychloride fresh and predictable for everyone using it. Small leaks or exposure during transfer aren't just annoyances; they're practical hazards. We respond by streamlining transfer equipment and teaching every worker to spot the subtle signs of moisture ingress—a cloudy appearance or unexpected heat where it shouldn’t be. These aren’t abstract risks; they’re the real world of handling a specialty chemical with sharp reactivity and exacting standards.

    The Uses: How Our Partners Apply SeOCl2

    Selenium oxychloride has a specialized audience. Most buyers approach us with clear, technical needs: chlorination, selenation, advanced material synthesis, or the role it plays in organic and inorganic research. It serves as a chlorinating agent where water sensitivity is key; in some advanced electronic material synthesis, only a narrowly-defined product will suffice for semiconductors or precision optical work. Our experience tells us most applications demand not just the core chemical identity, but also freedom from trace metals, color bodies, and organic residues. We keep our facility and supply lines focused precisely on minimizing those risks, batch after batch.

    No Substitute in Key Applications

    Some think alternatives can ‘stand in’ for selenium oxychloride based solely on theoretical reactivity or market price. Experience says otherwise. Even a small impurity or the wrong accompanying halide alters reaction outcomes. When approaching high-value targets in pharmaceuticals, advanced ceramics, or next-generation electronics, an unreliable intermediate can mean a failure several costly steps later. Direct feedback from our long-term partners has taught us that a reputation for consistency means our material remains the first choice whenever critical reactions hinge on SeOCl2's unique balance of oxidative and chlorinating reactivity.

    On-Site Knowledge Meets Downstream Requirements

    It’s easy for producers to focus solely on the chemistry within their own fence lines. Our philosophy goes further, built from working conversations with technical professionals, purchasing agents, and end-users over the years. The feedback comes directly to our plant managers and supervisors—the frustration when an intermediate doesn’t meet target values, or the costs imposed by last-minute delays because another supplier’s product didn’t ship on time or arrived with unanticipated side content. We use those stories to shape our own delivery systems, testing protocols, and technical support. For some lab-scale buyers, ready access to a responsive chemist helps solve practical issues like custom bottle sizing or batch-matching for sequential runs. For industrial users, predictability in transport and delivery means standing behind our word in every order.

    Technical Demands at Scale

    Packing, storing, and moving selenium oxychloride brings unique engineering challenges. Unattended, it reacts strongly with moisture; that calls for tight drums, lined containers, and dedicated loading bays. Every worker in our team learns to recognize the warning cues: unexpected fuming, changes in color, subtle alteration in odor. To keep the product stable, we build workflows that guard every transfer from condensation or infiltration. This isn’t just regulatory mindfulness—it’s a direct response to what our downstream users need to keep their facilities safe and production lines steady. We view safe packaging and careful logistics not as afterthoughts, but as core features of our offering.

    Differences That Count

    In our years of experience, selenium oxychloride should never be confused with simpler chlorides or generic oxidizers. Its chemical identity opens unique possibilities while closing doors to careless substitution. Some markets offer neighboring compounds like thionyl chloride or phosphorus oxychloride—these serve their roles but do not mirror the reaction specificity or selectivity we’ve documented through numerous downstream syntheses. The fusion of selenium’s properties with the reactive potential of oxychloride gives rise to intermediates and transformations where alternatives simply do not deliver the same outcomes. This means a tight focus on selenium chemistry at every stage, from the earliest sourcing contracts to each final drum our team signs off on.

    Response to Market Demands and Global Shifts

    Changes in global regulation, shifting extraction sources, and new demands from high-technology sectors force any producer to rethink old habits. Over the past decade, supply chains for both selenium and key chlorinating agents have tightened or fluctuated. We’ve responded by running dual-source programs, enhancing raw material checks, and working with third-party labs for outside audits. We see our role as more than fabricating and shipping a commodity—our strength comes from navigating changing compliance frameworks and adapting quickly to regulatory or technical updates. For example, every update to regional hazardous materials codes sends our engineering and compliance teams back through each phase of our logistics and packaging to ensure uninterrupted delivery and maintained quality.

    Supporting Safe Handling and Skilled Use

    Outside of our plant, users appreciate practical support. With a compound as distinctive as selenium oxychloride, even regular users appreciate reminders and advice from those who work with it daily at production scale. We provide direct documentation, but the value comes from building open channels for technical questions, troubleshooting, or even sharing near-misses and process tweaks. For laboratories scaling up to multi-kilogram stages, we’ve helped customers adapt from glass to metal, guided safe drum break-down processes, and supplied dehumidification gear recommendations. For teaching labs or small research groups, our team members have even discussed bench protocols based on first-hand experience, not just specification sheets.

    Working with Regulatory and Sustainability Goals

    The environmental and health profile of selenium compounds, including selenium oxychloride, has come under increased scrutiny. We view this not as a hurdle but as a chance to prove leadership. Our facilities operate under strict environmental monitoring; we capture offgas streams, recycle or neutralize selenium residues, and work with local authorities to minimize risk. We’ve upgraded plant filtration to remove volatile contaminants before air release, and all effluent undergoes selenium capture to avoid environmental accumulation. For customers in regulated sectors—electronics, pharma, or advanced materials—documentation of these efforts often closes the gap between approval and rollout. We make sure every drum shipped comes with a transparent record of its environmental story.

    Transparency Through Traceability

    Every order of selenium oxychloride traces directly back to our tracked production batches. With an industry built on trust and traceability, we maintain digital and physical logs that cover everything from lot origins to analytical test results. This tight data management makes recalls rare and helps support users during third-party audits or technical troubleshooting. Customers facing quality questions know they can call and speak directly to someone who handled their batch, not a distant sales office. Problems get solved at the level of manufacturing rather than being shuffled through faceless channels.

    Informing and Educating Next Generations

    Specialty chemicals like selenium oxychloride see fewer headlines compared to bulk commodities, yet their roles remain central to emerging technologies and advanced research. As veterans in the field, our team often works alongside local universities or vocational technicians, helping demystify both the chemistry and the work culture surrounding sensitive intermediates. Open doors to factory tours, technical internships, and sample programs mean new operators learn hands-on what textbooks barely cover—the sharp scent, distinctive handling, and practical care selenium chemistry requires. These relationships help our own recruitment and strengthen industry standards across regions and generations.

    Custom Solutions Based on Real-World Feedback

    We don’t apply a one-size-fits-all logic to selenium oxychloride. Some users run continuous chlorination processes and require regular volume shipments; others need just a few liters for a critical experiment. Over the years, our plant has built custom filling lines, specialty valve systems, and even conducted mock deliveries to remote sites so that even ‘odd’ orders integrate seamlessly into our normal workflow. This willingness to adapt doesn’t slow down our main lines—it deepens our understanding and keeps failure rates low, timelines predictable, and customers confident every time a seal is broken or a new stage is started.

    Listening and Adapting to Industry Voices

    The best improvements rarely bubble up from the drafting rooms; they start on the line or from a user fielding a real challenge at the bench. Hearing from partners about handling problems, regulatory hangups, or even missed performance targets leads to process changes on our end. Over the past years, feedback prompted us to reformulate our inner drum lining and redesign gasket rings, all based on details that surface through open communication between users and manufacturing staff. Trusted partnerships let us deliver not just a chemical, but a ready-to-use product shaped by those who actually rely on its performance every day.

    Shipping, Supply Assurance, and Reliability in Uncertain Times

    Disruptions touch everyone who relies on global logistics, and specialty chemicals feel this more than most. Our shipping team partners with vetted carriers, designs labeled hazard routes, and adjusts inventory to absorb unexpected transit delays. Our warehouse operates around ready inventory to buffer regular partners from global shortages or regulatory delays at borders. This means users can run research programs and production lines without interruption, confident in both supply and technical backup as conditions evolve.

    Why Consistency Surpasses Price for Our End Users

    Markets sometimes chase the lowest price, but technical buyers return to providers who honor consistency and open support. We’ve watched projects derailed not for lack of intent or expertise, but because one small batch arrived misaligned—an impurity, a spec snag or a protocol clash. Our emphasis in selenium oxychloride lies not just in competitive pricing but in rock-solid reliability. Repeat customers stay with us for the predictability, technical access, and surety that comes with every bottle or drum carrying our batch label. Investing in this reliability costs more than minimal compliance, but we view it as the core of our reputation and the best insurance for the future.

    Looking Forward: The Role of Selenium Oxychloride in Tomorrow’s Industry

    New discoveries, particularly in advanced materials and electronics, keep expanding the purview of selenium oxychloride. From early-days specialty glass and pigment production to recent adoption in next-generation optical and renewable energy devices, we’ve seen evolving requirements for purity and supply continuity. Research teams now scrutinize trace metal profiles, compatibility with ultra-dry processes, and container smart labelling to integrate with automated systems. Our manufacturing teams work in tandem with development partners, co-authoring protocols, and responding dynamically as science pushes old boundaries. This living connection between chemistry, engineering, and application means every new challenge is met with grounded solutions drawn from direct, daily experience.

    Engaging With You: Open Dialogue Still Sets the Standard

    As producers, we invite open engagement rather than hiding behind sales channels or form responses. Every drum of selenium oxychloride reflects not just our technical mastery but the relationships and conversations we’ve built over years. We remain open to input, to new requirements as the market evolves, and always to sharing what we know from years of hands-on work. We see our job as making that expertise available, always tuned for the next challenge and every real-world application that depends on the quality, safety, and reliability only direct manufacturing experience delivers.