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(R)-Tert-Butanethiosulfinate

    • Product Name (R)-Tert-Butanethiosulfinate
    • Alias (R)-Tert-Butylsulfinic acid S-tert-butyl ester
    • Einecs 634-384-8
    • 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
    VTB
    Specifications

    HS Code

    155495

    Compound Name (R)-Tert-Butanethiosulfinate
    Molecular Formula C4H10OS2
    Cas Number 132975-17-6
    Appearance colorless to pale yellow liquid
    Purity Typically >98%
    Boiling Point Unknown; decomposes before boiling
    Density Approximately 1.1 g/cm3
    Chirality R-configuration (chiral center present)
    Functional Groups thiosulfinate, tert-butyl

    As an accredited (R)-Tert-Butanethiosulfinate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing (R)-Tert-Butanethiosulfinate is supplied in a sealed amber glass bottle, containing 1 gram, labeled with hazard and handling information.
    Shipping (R)-Tert-Butanethiosulfinate is shipped in tightly sealed containers under a nitrogen atmosphere to prevent decomposition. It is packaged in accordance with all hazardous chemical regulations, including proper labeling and documentation. The chemical should be stored and transported at cool temperatures, away from heat, light, and incompatible materials to ensure safety and stability.
    Storage (R)-Tert-Butanethiosulfinate should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances like strong oxidizing or reducing agents. Keep the container tightly closed and protected from light and moisture. Store at a recommended temperature (often under refrigeration, 2–8°C) to maintain stability and minimize decomposition or hazardous reactions.
    Application of (R)-Tert-Butanethiosulfinate

    Applications of (R)-Tert-Butanethiosulfinate in Industrial Manufacturing

    (R)-Tert-Butanethiosulfinate serves as a valuable chiral sulfur-containing intermediate in industrial synthesis. As a manufacturer, we supply this raw material to multiple high-value chemical sectors, each with distinct standards, formulations, and integration requirements. Below, we detail real downstream application scenarios, compliance obligations, technical ratios, and finished product types.

    1. Chiral Pharmaceutical Intermediate Synthesis

    Pharmaceutical companies use (R)-Tert-Butanethiosulfinate in the asymmetric synthesis of active pharmaceutical ingredients that require chiral sulfur atoms. This intermediate enables the construction of complex molecular structures with precise stereoselectivity, supporting the synthesis of drugs such as certain antibiotics and enzyme inhibitors. Integration into GMP-compliant production lines demands thorough traceability, validated analytical methods, and batch-to-batch consistency to meet international pharmacopoeial specifications.

    Industry compliance standards

    • ICH Q7: Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • EC GMP Part II
    • USP-NF, Ph. Eur., JP pharmacopoeial requirements (applicable to specific drug classes)
    • 21 CFR 211: US FDA cGMP regulations

    Typical usage ratio

    • 1–5 mol% relative to target API, adjusted based on the complexity of the chiral molecule and desired purity

    Downstream process integration

    • Charged in the early or intermediate stage of multi-step synthesis, typically following precursor functionalization. Subsequent purification may involve crystallization, preparative HPLC, or extraction according to validated protocols.

    Final product types

    • Chiral API molecules (e.g., sulfinyl-containing antibiotics, enzyme inhibitors)
    • Regulatory submission samples (for process validation and clinical trial batches)

    2. Agrochemical Active Compound Development

    (R)-Tert-Butanethiosulfinate functions as a key intermediate in synthesizing sulfur-based agrochemical actives, particularly those requiring defined stereochemistry for biological activity enhancement. Agrochemical producers include this compound in the synthesis of new-generation fungicides and crop-protection agents, optimizing process design for selectivity and regulatory compliance with environmental and residue limits.

    Industry compliance standards

    • OECD Guidelines for the Testing of Chemicals
    • FAO/WHO JMPR (Joint Meeting on Pesticide Residues) recommendations
    • EU Regulation (EC) No 1107/2009 concerning plant protection products
    • ISO 9001-certified production management

    Typical usage ratio

    • 2–6 mol% relative to target pesticide intermediate; adjusted according to the conversion rate and required yield of the active ingredient

    Downstream process integration

    • Introduced after initial halogenation or amidation of base molecules. Incorporated in the step preceding final heterocyclic ring closure or sulfur oxidation processes.

    Final product types

    • Stereochemically pure fungicide actives
    • Crop protection intermediates for further formulation

    3. Synthesis of Chiral Auxiliary Reagents

    Chemical manufacturers use (R)-Tert-Butanethiosulfinate for the production of chiral auxiliaries, which play a critical role in asymmetric catalysis and chiral resolution processes. This material introduces specific sulfur stereochemistry to the auxiliary, imparting the desired enantioselectivity to downstream syntheses in fine chemical and drug production.

    Industry compliance standards

    • REACH Regulation (EC) No 1907/2006 for chemical safety
    • ISO 9001:2015 Quality Management Systems
    • Internal QC protocols for chiral purity and trace impurities

    Typical usage ratio

    • 5–15 mol% depending on the required auxiliary batch size and resolution efficiency targets

    Downstream process integration

    • Reacted during the key stereoselective functionalization stage; post-reaction recovery and recycling practices incorporated according to auxiliary turnover rates and cost considerations.

    Final product types

    • Chiral auxiliaries for use in pharmaceutical and specialty chemical synthesis
    • Enantioselective catalysts for process development labs

    4. Advanced Materials for Organic Sulfur Emitters in Electronics

    The electronics materials sector incorporates (R)-Tert-Butanethiosulfinate as a high-purity chiral precursor for synthesizing organic molecules used in organic field-effect transistors (OFETs) and light-emitting devices. Demand for enantiopure sulfur frameworks arises in the development of thin-film optoelectronic materials with enhanced charge mobility and stability.

    Industry compliance standards

    • IEC 61249-2-21: Halogen-free materials for electronic components
    • RoHS 2011/65/EU compliance for restricted substance content
    • IATF 16949:2016 (for automotive electronics applications)
    • Internal film quality and purity QC standards (e.g., <0.01% total sulfur-based impurities)

    Typical usage ratio

    • 0.5–3 mol% depending on final emitter design; process adjustment based on film morphology and device performance tests

    Downstream process integration

    • Reacted during initial organic synthesis workflows under strictly controlled anhydrous and oxygen-free conditions, then purified by column chromatography prior to deposition in thin-film fabrication.

    Final product types

    • OFETs (Organic Field Effect Transistors) with chiral sulfur units
    • Organic light-emitting diode (OLED) sub-materials
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    Certification & Compliance
    More Introduction

    (R)-Tert-Butanethiosulfinate: A Fresh Look at a Versatile Synthetic Intermediate

    Genuine Experience Behind Every Batch

    Making (R)-Tert-Butanethiosulfinate day in, day out, you become familiar with its every nuance—from raw feed to packaging. Our team works directly with reactors and purification columns, watching reactions spark and settle, then following orders through quality testing and delivery. The compound’s chiral nature challenges standard procedures, demanding hands-on vigilance and direct oversight. We built our process to put consistency front and center, and our equipment is sized precisely for this molecule’s needs—specific glass, specific agitation rates, tightly controlled atmospheres. So, each kilogram, each drum tells us something about the way (R)-Tert-Butanethiosulfinate behaves, and we use that direct feedback in every production shift.

    What Sets (R)-Tert-Butanethiosulfinate Apart

    As the manufacturer, we have watched this molecule carve out a space of its own. The distinct sulfur-oxygen motif, paired with the tert-butyl group and reliable R-configuration, anchors its utility in asymmetric synthesis. Unlike simpler sulfinates, this compound offers selectivity where many struggle—making it suited for the precision work that modern medicinal chemists and fine chemical innovators demand. Chemists regularly tell us that the straightforward reactivity of the thiosulfinate bond helps keep syntheses on track, especially during sulfoxide preparation and enantioselective transformations. We see lab techs handling powders after the reaction, noting a solid feel and a lack of bothersome odor (compared to smaller, highly volatile thiosulfinates). In terms of chirality, our configuration rarely drifts, and we prove that by tracking enantiomeric excess on each batch through robust analytical methods.

    Model, Format, and Purity You Can Trust

    We offer (R)-Tert-Butanethiosulfinate as a highly purified crystalline solid, delivered in tightly sealed containers to preserve quality right through shipping and storage. Our controls extend from the earliest stages of tert-butyl group introduction, all the way through to solid-state drying. As for purity, HPLC and chiral chromatography stand guard at each checkpoint. Regular customers bring us real-world feedback that shapes our process controls further, not just our paperwork—this includes consultation on solvent systems, advice on temperature control, and troubleshooting where unfamiliar contaminants have turned up in customer analysis. Every order sent out represents trust built on years of feedback and correction, not just theoretical targets.

    Usage Across Industry and Research

    Most of the (R)-Tert-Butanethiosulfinate supplied from our site heads straight to pharmaceutical R&D, especially projects focused on chiral sulfoxides and asymmetric synthesis. Process chemists appreciate the compound’s clean conversion rates and the predictable behavior of the tert-butyl protecting group. In pilot plants, we’ve watched trials where scale-up offers the same experience as the lab bench—a sign that the molecule follows clear design rules at various scales. Some specialty material manufacturers have employed it as a key player in creating sulfur-containing polymer precursors. The range is broad. Researchers pursuing crop protection agents come back for repeat batches, reporting that (R)-Tert-Butanethiosulfinate supports their drive for high-activity chiral molecules. Academic groups rely on the stable shelving and reliable stereochemistry for new methods work.

    What Makes the R-Configuration Desirable

    Many projects hinge on reliable stereochemistry. The R-configuration in this molecule comes from careful planning, beginning with precursor selection and crystallization strategy. As a manufacturer, we watch for small deviations at every step, because a racemization slip here could set an entire campaign back months. Some customers have tested against our internal control samples and confirmed that the stereochemical integrity stands up under re-examination. Very few alternatives offer such robust chiral consistency without extensive post-purification. Each delivery brings reassurance: the customer gets the optical rotation and HPLC trace that perfectly matches their previous batch.

    Difference from Other Thiosulfinates and Sulfinates

    Plenty of thiosulfinates pass through our plant. Still, the tertiary-butyl group in (R)-Tert-Butanethiosulfinate provides physical reliability—better shelf life, improved handling, and less reactivity with atmospheric moisture. With smaller, more volatile members of this family, we’ve seen caking, pressure build-up, and tedious smell containment. (R)-Tert-Butanethiosulfinate stays stable in dry air, and technicians find it easier to weigh and transfer, streamlining multi-step syntheses or production runs. The compound doesn’t just save time; it reduces safety risks through a lower vapor pressure, and the cleaner stereochemistry makes post-reaction separation far less hit-or-miss than with racemic sulfinates. Our direct experience with storage and shipment tells us this molecule tolerates transit much better than the lighter thiosulfinates, even under demanding temperature swings.

    Challenges and Solutions

    No production run occurs without hiccups. While (R)-Tert-Butanethiosulfinate itself offers plenty of stability, some of the precursor supply chains pose their own problems. Over the years, we’ve had to adjust raw material sourcing, reformulate certain reagents, and upgrade filter systems to address occasional color-forming side products. Supervisors walk the lines often, checking not just logs but actual process intensity, adjusting agitation or solvent blend if trace impurities show up in quality tests. Delivering plenty of fresh solvent and calibrating our detectors regularly tackles memory effects in production lines. Direct communication with chemical engineers in customer plants helps us anticipate new functional group tolerances, or to warn about incompatibilities we’ve observed in the past. Not every solution gets solved with a spec sheet; experience counts.

    Quantity, Packaging, and Real-World Constraints

    Most of our clients range from small research outfits to major multinational pharma, but some work at kilo or multi-kilo scale. Batches ship in glass or composite high-integrity containers, chosen specifically for chemical resistance and stability in transit. After early feedback flagged some issues with desiccant compatibility, we reformulated our lining approach. Warehouse technicians inspect outgoing shipments not just for label compliance, but to ensure no minor leaks or powder adhesion that could indicate broken moisture barriers. Process improvements often come from what the packers and shippers experience—not just manager instructions. Our own team opens holdover in-house samples years down the road, checking for clumping or yellowing before advising a shelf-life extension.

    Supporting Analytical Confidence

    Every credible supplier keeps one eye on analytical validation. For (R)-Tert-Butanethiosulfinate, we apply established techniques like HPLC, chiral GC, and direct mass spectrometry, then take periodic samples for cross-lab verification. We collaborate with independent labs and maintain a reference archive drawn from production runs. This isn’t just compliance; highly regulated markets demand that we show proof, not just provide assurances. In more than one case, a customer’s audit or surprise regulatory inquiry ended with both sides confirming our data. We learn from every irregularity, documenting it in our internal audit trail and implementing corrective actions. This commitment to traceability helps customers sleep better at night, knowing a consistent supply supports their own production demands and regulatory reviews.

    Improvements Driven by the End-Users

    We often get insights from the floor—direct messages from chemists, informal chats at conferences, or feedback from users mid-project. Rather than treat these as noise, our operations group tracks suggestions about particle size adjustment, solvent wetting, or future modifications. We ran several trial lots after hearing from a customer that a slightly finer grind would end pipette blockages and facilitate faster dissolution. Each refinement reflects the reality that manufacturing isn’t set-it-and-forget-it; user stories and outcomes give us the clearest signals. Some suggestions come from users who push the molecule into new kinds of reactivity; if those trials reveal fresh hazards or shelf-life changes, we translate those lessons back into production adjustments.

    An Eye on Regulation and Sustainability

    The chemical sector faces a daily stream of environmental and safety reviews. As the direct producer, our focus lands on more than product; it extends to waste handling, emission controls, and raw material impacts. (R)-Tert-Butanethiosulfinate, while a specialty item, fits into increasingly strict sustainability standards. We made concrete changes to solvent recovery and vent treatments to satisfy both local and international benchmarks. Not investing in updated neutralization units for sulfurous off-gas would have risked more than compliance fines—it would have built future headaches into our business. Raw material screening also helps us avoid contaminants that once forced batch recalls elsewhere in the industry. By keeping documentation current and systems up to date, we stay ready for the next round of regulatory scrutiny.

    Partnership Across the Value Chain

    We’re not just handing off a barrel or bottle; the real world of (R)-Tert-Butanethiosulfinate involves coordination with logistic providers, contract researchers, and our own supply hubs. Communication is essential when timelines run tight and project launches depend on the next shipment. Freight partners contact us directly for temperature feedback, and we work collaboratively to update packaging after seeing field incidents—no courier handbook replaces experience. We flag every lot as it moves, check status, and confirm acceptance on customer receipt; years of missed connections and customs delays have taught us where trouble can creep in, and that only improves our planning on future orders. Customers sometimes loop us into their own risk management meetings, valuing the candor and practical insight that come only from those who have handled the real material themselves.

    Production Scale and Adaptability

    Some believe that specialty chemicals like this cannot scale; experience shows otherwise. At our site, we have ramped capacity to keep pace with new research and commercial orders, installing larger jacketed reactors and updating grinding gear for bigger solid loads. Line operators watch thermal profiles in larger batches for any sign of runaway, while engineers model scale-up to anticipate ancient bottlenecks—heat removal, filtration flow, agitation limits. Every scale jump brings real lessons, often surfaced in small details: dust control, fill rates, or the right way to break a crystal cake that forms in colder weather. We have reengineered part of our downstream to meet seasonal fluctuations, and have doubled up on process control to head off batch-to-batch drift, which some less-invested suppliers struggle to control.

    What Long-Term Commitment Looks Like

    After years of production, we notice certain patterns—repeat buyers return for fresh lots, process chemists request sample rechecks, and new disciplines discover the molecule’s value. The trust we have built owes much to direct contact—not just a name on an invoice. Some of the molecule’s success comes from being easy to order and quick to ship, but most comes from the reliability achieved through deliberate process improvement and direct feedback loops. We value proof over promise, keeping samples for years and maintaining a record of what went right and what needed correction. The cycle of learning, adapting, and improving never stops for us.

    Looking Toward the Future

    As research moves in new directions, so will the demands on (R)-Tert-Butanethiosulfinate. Chiral catalysts, new asymmetric routes, and task-specific ligands increasingly require specialty building blocks with strong provenance. We invest in both direct process upgrades and collaborative partnerships so our product always fits the next application, not just today’s. We watch for shifts in regulatory guidance and environmental trends, not just because compliance matters, but because those rules often signal bigger changes in how the world expects chemistry to be done. Our goal remains simple: deliver material that meets or exceeds every practical need, shaped by a commitment only a direct manufacturer can provide.

    Ensuring Reliability in Every Delivery

    Every shipment matters, whether it’s destined for an academic lab or billion-dollar pilot line. Reports from the ground are not ignored. Customers who have flagged issues—color changes, minor inconsistencies, or shipment delays—receive immediate attention. Operations teams triple check control points from warehouse to dock, and our willingness to quickly course-correct means users stay confident. Over time, we have seen our investment in staff training, process automation, and analytical method development return dividends—not in marketing awards, but in loyal partners who base business on direct proof rather than assurances from someone else’s sales sheet.

    Final Thoughts From the Manufacturer’s Floor

    (R)-Tert-Butanethiosulfinate has shown its worth in hundreds of campaigns, processed by teams who know every detail of its synthesis. The hard work doesn’t end after a perfect batch. Instead, production lessons, customer feedback, fresh regulations, and pure chemistry continue shaping what shows up at the bench. Our knowledge comes from more than monitoring pipes and columns—real experience, real commitment, and ongoing partnership form the basis of what we deliver, batch after batch. Anyone using (R)-Tert-Butanethiosulfinate deserves reliability and insight straight from the manufacturer, and that is exactly what we set out to offer, every time.