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Cyclohexyl Disulfide

    • Product Name Cyclohexyl Disulfide
    • Alias NSC65873
    • Einecs 212-872-0
    • 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

    725896

    Chemical Name Cyclohexyl Disulfide
    Cas Number 2115-15-7
    Molecular Formula C12H22S2
    Molecular Weight 230.44 g/mol
    Appearance Colorless to pale yellow liquid
    Odor Characteristic sulfurous odor
    Boiling Point 269-271 °C
    Melting Point -30 °C
    Density 1.056 g/cm3 at 25 °C
    Solubility In Water Insoluble
    Refractive Index 1.546 at 20 °C
    Flash Point 132 °C (closed cup)
    Purity Typically ≥98%
    Vapor Pressure 0.09 mmHg at 25 °C
    Storage Conditions Store in a cool, dry, well-ventilated place

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

    Packing & Storage
    Packing Cyclohexyl Disulfide is packaged in a 500 mL amber glass bottle with a secure screw cap and chemical hazard labeling.
    Shipping Cyclohexyl Disulfide should be shipped in tightly sealed containers made of compatible materials, such as glass or high-density polyethylene. It must be labeled clearly as a flammable and potentially harmful substance, and transported according to local, national, and international chemical shipping regulations. Keep away from heat, sparks, and strong oxidizers.
    Storage Cyclohexyl disulfide should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from sources of heat, ignition, and incompatible substances such as strong oxidizing agents. Keep it away from direct sunlight. Ensure containers are labeled properly and protected from physical damage. Follow all relevant safety guidelines and local regulations for chemical storage.
    Application of Cyclohexyl Disulfide

    Applications of Cyclohexyl Disulfide in Industrial Manufacturing

    Cyclohexyl Disulfide serves as a specialty sulfur compound in several critical industrial sectors. Its distinct reactivity supports advanced process chemistry, polymer modification, and high-performance lubricants. Below, we outline representative applications, compliance frameworks, recommended dosage, process integration points, and produced goods.

    1. Vulcanization Accelerator for Specialty Rubber Compounds

    Rubber processors employ Cyclohexyl Disulfide in the vulcanization of synthetic rubber formulations where precise crosslinking modulation is required for heat, oil, and abrasion resistance. Specialty tire treads, industrial hoses, and seals benefit from finely tuned sulfur donor systems, with this material selected to obtain specific elongation and modulus characteristics. Formulators incorporate the compound during the mixing stage, balancing cure kinetics with physical property demands from key ASTM performance targets.

    Industry compliance standards

    • ASTM D2000 Classification System for Rubber Products
    • ISO 9001:2015 certified manufacturing and quality processes
    • REACH Annex XVII, Regulation (EC) No 1907/2006 for allowable substance content
    • UL 94 for flame resistance (when used in applicable end products)

    Typical usage ratio

    • 0.2–1.5 phr (parts per hundred rubber), adjusted by polymer type, cure system, and target cure rate

    Downstream process integration

    • Introduced during the masterbatch mixing step before fillers and co-agents
    • Batch dosing controlled based on sulfur donor balance in the formulation
    • Integrated with anti-degradants in pre-cure state
    • Reaction monitored by rheometer to ensure cure profile compliance

    Final product types

    • High-performance automotive tire treads
    • Hydraulic and chemical-resistant hoses
    • Sealing gaskets for industrial plants
    • Molded engine mounts and bushings

    2. Additive in Extreme-Pressure (EP) Lubricant Formulations

    Industrial lubricant blenders use Cyclohexyl Disulfide to provide EP performance in gear oils, metalworking fluids, and greases subjected to high loads. The compound participates in tribochemical film formation on ferrous surfaces, reducing wear under boundary conditions. Its controlled reactivity supports modern formulations demanding non-corrosive, thermally stable sulfur sources. Lubricant formulators manage product stewardship and compatibility in accordance with recent additive regulatory assessments.

    Industry compliance standards

    • API GL-5 (Gear Oil Service Designation)
    • DIN 51502 (Lubricants – Lubricating Greases)
    • OECD 301B (Biodegradability Screening for Additives)
    • SAE J2360 for automotive gear lubricants

    Typical usage ratio

    • 0.05–0.6% by weight of finished lubricant or grease, calculated to achieve designated EP test results (e.g., FZG load stage, Timken OK load)

    Downstream process integration

    • Blended into base oil during the secondary additive addition phase at controlled temperatures
    • Dosed before final filtration to maintain product clarity and stability
    • Works synergistically with phosphorus sources or anti-wear agents
    • Tested in finished blends using four-ball and load-carrying tests

    Final product types

    • Industrial gear oils for mining, wind turbines, and steel mills
    • Heavy-duty lithium and calcium grease
    • Hydraulic fluids for off-road equipment
    • Automotive axle fluids

    3. Chemical Intermediate for Agrochemical Synthesis

    Chemical synthesis plants utilize Cyclohexyl Disulfide as a sulfur introduction agent in multi-step routes for selected agrochemical actives. Its specific reactivity toward halides and alkylating agents provides advantages in building thiolated aromatic intermediates—key to active ingredient and safener synthesis. Contract manufacturers adjust process conditions, solvent systems, and quenching protocols to meet purity and regulatory standards for agricultural use.

    Industry compliance standards

    • FAO/WHO Joint Meeting on Pesticide Specifications (JMPS)
    • ISO 9001:2015 audited plant-level traceability
    • Good Manufacturing Practice (GMP) for crop protection intermediates
    • REACH registration for use as process reagent

    Typical usage ratio

    • 0.7–1.9 equivalents relative to key halide or aryl precursor, dependent on electronic character of substrates and desired yield

    Downstream process integration

    • Added during the formation step of thioether and dithioester intermediates
    • Integrated in batch or continuous stirred reactors, with nitrogen purge
    • Monitored for completion by HPLC or GC-MS
    • Purified intermediates isolated for downstream coupling or cyclization

    Final product types

    • Sulfur-containing herbicide precursors
    • Fungicide synthetic intermediates
    • Crop growth regulator active ingredients
    • Environmental safeners for seed treatments

    4. Modifier in Polymer Crosslinking for Specialty Plastics

    Producers of engineered thermoplastics add Cyclohexyl Disulfide as a crosslinking modifier in materials such as polyolefins and flexible PVC blends. The compound introduces controlled points of sulfur crosslinks, adjusting mechanical properties and resisting plasticizer migration. It participates primarily during extrusion or reactive melt blending, with carefully defined dosing critical for batch-to-batch reproducibility and downstream regulatory compliance for end-use articles.

    Industry compliance standards

    • ISO 11357 for polymer thermal analysis
    • RoHS Directive 2011/65/EU for restricted substance levels
    • EN 71-3 (Toy Safety) for migration limits (where applicable)
    • ISO 14001 for environmental management in production

    Typical usage ratio

    • 0.05–0.4% by weight of resin blend; adjusted for polymer type, desired crosslink density, and end-use compliance

    Downstream process integration

    • Metered into polymer melt during extrusion or compounding
    • Co-extruded with stabilizer and antioxidant packages
    • In-line monitoring of crosslinking by torque rheometry
    • Downstream QC checks on tensile and migration properties

    Final product types

    • Flexible PVC cables
    • Wire & cable insulation compounds
    • Molded connectors and automotive seals
    • Specialty plasticized flooring materials

    5. Controlled Sulfurizing Agent in Petrochemical Processing

    In petrochemical refining, Cyclohexyl Disulfide functions as a controlled sulfurizing reagent for catalyst pre-sulfidation and metal surface treatment. The compound delivers a predictable sulfur chemoadsorption profile for activation of hydrotreating and hydrocracking catalysts. Refinery process engineers favor its thermal stability, allowing efficient activation cycles at elevated temperatures without volatile or corrosive byproducts. All procedures adhere strictly to site safety guidelines for sulfur handling and catalyst system compatibility.

    Industry compliance standards

    • API RP 939C (Guidelines for Sulfidation at High Temperatures)
    • OSHA 1910.119 Process Safety Management
    • EHEDG Guidelines for chemical process equipment when downstream exposure risk exists
    • REACH Art. 18 for Intermediate Use Only status

    Typical usage ratio

    • Calculated as 1.2–1.5 molar equivalents per catalyst active metal (e.g., Mo, Ni, Co), adjusted by total catalyst weight and vessel size

    Downstream process integration

    • Pumped into fixed bed reactors under hydrogen flow during catalyst activation
    • Automated feed system aligns reagent dose rate with temperature ramp
    • Real-time monitoring of H2S evolution for endpoint control
    • Post-cycle vessel purging before feedstock introduction

    Final product types

    • Hydrotreating and hydrocracking catalyst systems
    • Sulfur-passivated metal surfaces in reactors
    • Treated process equipment for refinery applications
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    Certification & Compliance
    More Introduction

    Cyclohexyl Disulfide: Direct Insights from the Manufacturer's Floor

    Understanding What Cyclohexyl Disulfide Really Brings

    Cyclohexyl Disulfide presents itself as a specialty solvent and intermediate that’s found reliable use in industrial syntheses, pesticides, and specialty chemical blends. As the team actually responsible for producing it—day after day with our own hands and reactors—we have witnessed a wide variety of ways this compound outperforms or sidesteps common pain points, especially compared to other organic disulfides and conventional sulfur donors. Our experience informs the way we view its character and applications.

    Most requests we handle come from companies seeking higher stability and cleaner reactivity in their disulfide linkages. Our Cyclohexyl Disulfide, standardized under model CDS-6H12S2, stands out due to its high sulfur content paired with a cycloaliphatic structure. This isn’t just a technical note; we’ve watched the advantages play out across batch runs and pilot projects, especially where less “shape-specific” sulfur donors, such as di-n-butyl or di-tert-butyl disulfides, tend to bring more pungent odors and lower flash points. The cyclohexyl group catches less in the air, producing a less volatile and less irritating working environment for everyone in the plant.

    How Our Model and Specifications Developed from Real Production

    We didn’t arrive at today’s product grade by accident. Over the years, working on scores of different customer formulations, we've responded directly to purity requirements for agrochemical actives, cleaner intermediates in pharmaceutical research, and even highly selective vulcanization aid blends for rubber modification. Most of these industries care far less about the nomenclature and much more about batch performance, consistency, and smooth processability. That has shaped our quality standards—minimum 99% assay by GC, low water content, and precise boiling range, with every drum and IBC coming off the line checked for these specs.

    As operators, this means tackling the real difficulties head-on. Efficient separation, odor control, and complete conversion in our reactors eliminate side products that historically plagued disulfides from older technology lines. We know exactly where the process can trip up: feeding rates, temperature swings, incomplete sulfur integration. Every technician who handles the material on our floor realizes that a failed batch isn’t just about numbers—it’s about time lost and potential downtime for the customer.

    Day-to-Day Reality of Working with Cyclohexyl Disulfide

    Cyclohexyl Disulfide’s liquid state makes it easier to handle and meter compared to solid sulfur donors, which often require pre-melting or suspension. We use bulk pump transfers, which lets us minimize product loss and avoid the lumping or caking seen with solid or semi-solid sulfur carriers. This benefits both our crew and our downstream partners: clean lines and decent pumpability mean fewer slowdowns, lower cleaning costs, and safer operation.

    We’re often approached by formulators frustrated by persistent fouling or reactivity mismatches with linear alkyl disulfides. Cyclohexyl Disulfide, due to its saturated ring, resists excessive chain scission and slow oxidation. Compared to aromatic disulfides, it’s noticeably milder and doesn’t pepper storage rooms with heavy odors or black deposits after extended sitting. This matters on the ground: one of the last things any shift wants to see is a leaking valve or a crusted outlet covered in sulfur-rich residue.

    Comparing Cyclohexyl Disulfide to Other Common Disulfides

    During our years running batch and continuous synthesis, alkyl and aryl disulfides each show their quirks. Diethyl disulfide and dibutyl disulfide, for example, turn out cheaper but can be aggressive towards seals and release strong fumes at relatively low temperatures. Mixing them requires extra PPE and ventilation, something every plant operator would rather avoid.

    Cyclohexyl Disulfide takes a calmer role—flash point sits higher, and loss to vapor during blending is negligible. In blending tanks, we find temperature control easier, and mid-shift sampling shows minimal swings in product quality. One of the concrete signs of success is the lack of “Monday alert calls”—maintenance or loading crew reporting unusual build-ups or pressure drops.

    Sulfur content per mole stays consistent, making it a reliable reagent for introducing sulfur in organic syntheses, especially for constructing tailored linkages. Rubber notes are less pronounced, which allows specialty rubber compounding lines—especially those making odor-sensitive goods—to run with fewer complaints from staff and end-users. Lab to plant scale-up is less prone to hiccups thanks to this predictable behavior.

    Applications Where Cyclohexyl Disulfide Proves its Value

    Over the years, we’ve delivered drums straight into research, pilot, and commercial operations focused on pesticides, high-performance rubber, and some specialty pharmaceuticals. In pesticide synthesis, for instance, the material’s controlled reactivity cuts down on by-products in sulfur-bridged actives, with less fume management hassle in the mixing hall. Process chemists at customer sites have commented how, compared to open-chain disulfides, they’re cleaning ducts and fans less often—no small benefit in older facilities with limited environmental controls.

    Within the rubber industry, we've shipped Cyclohexyl Disulfide designed to work as a secondary vulcanizing agent. Our customers who formulate low-odor, high-performance seals and technical components find the cycloaliphatic nature instrumental for smoother process control. In technical rubber, fewer volatiles and by-products mean longer die life and better surface finish on extruded goods. We’ve walked customer lines ourselves and noted significantly less “sweat” or oily residue on machinery compared to lines running with less refined alkyl disulfides.

    Laboratories working on novel drug substances leverage Cyclohexyl Disulfide for its controlled, selective transfer of sulfur. Its reactivity profile bridges the gap between too-stable and too-reactive alternatives. Synthesis teams often report easier product isolation, free from the persistent odor that complicates post-reaction purges with linear disulfides. That helps with worker comfort—a point some overlook until daily tasks extend into overtime and crews start clocking extra hours.

    Handling and Storage—Speaking from Daily Practice

    Every tank, vessel, and IBC filled on our shop floor reflects lessons learned on the job. Cyclohexyl Disulfide stores stably over months if kept away from excessive heat and sunlight, which we confirm firsthand in both summer highs and winter shifts. We use nitrogen-blanketed tanks to keep oxidation at bay; from experience, even minimal headspace oxygen can lead to yellowing over time. Our own periodic long-term storage tests regularly show minimal change in odor, color, or sulfur analysis, provided air and moisture are tightly controlled.

    Our technicians appreciate the material’s low tendency to crust or clog in drums, something that can’t be said for some lower-grade disulfides or those with higher unsaturation. As a result, the transfer lines stay cleaner, manual drum handling presents less hazard, and accidental skin contact issues drop. Plant-based cleaning doesn’t demand the harsher solvents or aggressive steam stripping needed for certain other sulfur-rich intermediates we have run in years past.

    We’re providing direct observations here. Routine draining and cleaning operations run smoother, reducing physical stress on maintenance staff. The number of phone calls reporting clogged valves and lines drops sharply in installations using our Cyclohexyl Disulfide. These results didn’t come about through theoretical discussions—they reflect years of feedback and hours spent running and maintaining actual plant infrastructure.

    Environmental and Operator Safety: The Perspectives Gained from Repeated Handling

    Plant safety and local environmental compliance always stay at the front of our minds, not just as regulatory requirements but to protect every operator and nearby communities. Any sulfur donor comes with hazards if mishandled, but Cyclohexyl Disulfide’s comparatively low vapor pressure and modest odor profile directly reduce emissions and fugitive odor complaints—a problem local facilities once faced with more volatile disulfides, generating a steady stream of inquiries from neighbors and regulatory bodies alike.

    Leaks, off-gassing, and unexpected by-products have cost real time and money; so those on the plant floor and in environmental compliance appreciate materials that keep these concerns minimal. We use continuous fenceline monitoring and onsite air quality checks. Over several years, data from these monitors has consistently demonstrated that facilities using Cyclohexyl Disulfide experience fewer excursions above threshold odor and sulfur compound limits set by local regulators. This means lower costs for activated carbon abatement systems and less disruption due to odor complaints.

    For operators, handling a liquid sulfur donor with low volatility lowers the risk of breathing exposures and skin irritation. Gloves and goggles remain mandatory, but unlike with more pungent companions, shift crews quickly note fewer headaches and reactions—feedback that doesn’t make it into standard specification sheets but matters greatly to those who do the actual work.

    What We’ve Learned About Quality Control and Customer Support

    Every batch we ship is signed off by the same people who walk the line and troubleshoot the reactors. This direct connection changes how problems get solved and how improvements are made. Specifications are not just paper documents but reflect hard-won experience with failed batches, out-of-spec shipments, and customer audits—those tense moments where only detailed, repeatable results build trust.

    Cyclohexyl Disulfide’s consistent profile and manageable properties came about through years of refinement—not just tightening a spec, but reworking process controls, maintenance protocols, and even retraining line staff. We test not just for purity or composition, but for actual downstream performance. Viscosity, sulfur content, clarity, and stability are all aspects checked batch after batch.

    Feedback loops run fast: on the rare occasion a customer flags an inconsistency—be it odor, residue, or trace impurity—response starts with the team that ran the reactor itself, not just a customer service desk. This keeps accountability high and troubleshooting realistic. A customer with process issues gets direct advice on dilution, compatibility, or cleaning, often based on similar cases encountered at our own plant.

    Our background in running hazardous chemical lines keeps us on our toes about customer training. We share direct handling tips, advocate for backup containment on storage vessels, and will personally walk a plant through the best setup for loading or unloading bulk shipments. This boots-on-the-ground approach to quality and service avoids the missteps that crop up with generic or brokered supplies—real support means someone with firsthand experience remains available when an unexpected challenge arises.

    Adaptability Through Direct Manufacturing Experience

    We didn’t adopt a one-size-fits-all approach with Cyclohexyl Disulfide. The needs of downstream compounding, research chemistry, and scale-up drive continual tweaks in our process. Over the years, shifts in end-market requirements—pesticides needing lower secondary impurity levels, rubbers demanding less residual odor, pharma batches requiring high selectivity—all left their mark on how we refine, stabilize, and pack the material.

    We invest both in lab-scale evaluations and production-scale trials to see what really works. It’s common for customers to ask us to adjust specifications, rearrange delivery formats, or even help devise a storage solution that works in a cramped or outdated facility. Our decades of direct interaction with shifting application trends have shaped the current grade of Cyclohexyl Disulfide, adjusting purity, packing, and delivery logistics as actual use cases indicate.

    Bulk supply contracts, smaller custom syntheses, and emergency fill-in for unexpectedly failed process runs have each played their role. There have been times where a tight delivery window required running extra shifts, drawing on in-house logistics expertise to avoid delays, all made easier by producing the material ourselves rather than relying on third parties or speculative inventory.

    How Facing Disruptions Built a Better Product

    As direct producers, every logistics hiccup, supply chain bottleneck, or material shortfall becomes lesson and catalyst. Raw material inconsistencies push us to build stronger sourcing relationships and maintain inventory cushions on cyclohexyl-containing feeds and refined sulfur sources. Unexpected builds of polar impurities led to process controls and real-time analytic feedback, ensuring that today’s lots won’t contain the stubborn by-pass products that once slipped through legacy systems.

    Shipping and handling expose more practical truths. On more than one occasion, changes in environmental regulation required new leak containment, venting procedures, and even pump upgrades. Customer cases where older disulfides caused excessive emissions ultimately led us to document comparative odor and release rates—data that’s now integral to new site evaluations and presented in applications engineering calls.

    Storms, outages, and transport strikes have hit all chemical plants but maintaining in-house control of production means we know right away how to reschedule batches, reallocate inventory, and coordinate with users facing the knock-on effects. And, with our technical crew familiar not just with specs but day-to-day handling, we catch early trouble signs, advise on preventive maintenance, and offer improvisational advice for real-world interruptions that standardized protocols simply miss.

    The Value in Transparency—For Safety and Trust

    Direct manufacturing brings both responsibility and opportunity for candor. Users who may have been burned by inconsistent or contaminated material from brokers come to value transparency—honest data, full batch traceability, and clear explanations about what’s in every drum they’re getting. We encourage site visits and supplier audits, and our team handles raw material to finished drum. We don’t delegate traceability to faceless intermediaries; our records follow each production run from tank to shipping manifest.

    Honest reporting of batch-specific changes, open communication about odd results, and an insistence on replying to field complaints with real-world solutions—these habits build actual trust, not just regulatory compliance. We've learned that a truck driver or dock worker is just as likely to spot a handling problem as a PhD chemist; every level of the supply chain matters when safety and final product quality are at stake.

    Conclusion: The Benefits of True Manufacturer Commitment in Cyclohexyl Disulfide Supply

    Producing Cyclohexyl Disulfide ourselves, we’ve learned the importance of refining process, transparency, and customer support. This chemical, with its unique cycloaliphatic structure and reliable sulfur content, stands out both on the plant floor and in downstream application. We keep evolving along with user needs—always responding to practical challenges, not abstract supply chain theory. The lessons hard-won here inform every drum we load, every shipment leaving our facility, and every application where performance, consistency, and safety cannot be separated from real-world manufacturing experience.