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HS Code |
426526 |
| Chemical Name | 3,3',5,5'-Tetrachlorodiphenyl Disulfide |
| Molecular Formula | C12H6Cl4S2 |
| Molecular Weight | 388.13 g/mol |
| Cas Number | 844-09-9 |
| Appearance | White to pale yellow solid |
| Melting Point | 179-180 °C |
| Solubility In Water | Insoluble |
| Density | 1.67 g/cm³ |
| Synonyms | Tetrachlorodiphenyl disulfide |
| Storage Conditions | Store in a cool, dry, well-ventilated area away from incompatible substances |
| Purity | Typically >98% |
| Structure | Two benzene rings each substituted with chlorine atoms at the 3 and 5 positions, linked by two sulfur atoms |
As an accredited 3,3',5,5'-Tetrachlorodiphenyl Disulfide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging contains 500 grams of 3,3',5,5'-Tetrachlorodiphenyl Disulfide in a sealed amber glass bottle with hazard labeling. |
| Shipping | **Shipping Description:** 3,3',5,5'-Tetrachlorodiphenyl Disulfide should be shipped in tightly sealed containers, protected from moisture and incompatible substances. It must be clearly labeled and handled as a hazardous chemical. Transport in accordance with local, national, and international regulations for environmental hazards, and avoid shipping with food or oxidizing agents. |
| Storage | 3,3',5,5'-Tetrachlorodiphenyl Disulfide should be stored in a cool, dry, well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizers. Keep it in tightly closed, properly labeled containers. Protect from moisture and direct sunlight. Ensure storage areas are equipped with appropriate spill containment and comply with local chemical storage regulations. |
Applications of 3,3',5,5'-Tetrachlorodiphenyl Disulfide in Industrial Manufacturing3,3',5,5'-Tetrachlorodiphenyl Disulfide serves specialized roles in high-performance manufacturing sectors requiring advanced sulfur donor chemistry. We focus on critical industry adoption scenarios where performance, compliance, and process safety are key, supplying only to certified users with established downstream formulations. 1. Rubber Vulcanization Accelerator in Performance Tire ManufacturingThis compound functions as a sulfur donor and accelerator in the vulcanization systems for performance-grade, heat- and abrasion-resistant tires. Leading tire producers incorporate it to improve cross-linking density, resulting in enhanced durability and reduced rolling resistance. The material integrates into mixing and compounding lines, where precise dosing aligns to tire construction and regulatory safety mandates for road contact products. Industry compliance standards
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2. Additive in Industrial Conveyor Belt ManufacturingManufacturers of heavy-duty rubber conveyor belts employ this material to reinforce sulfur cross-linking, enabling longer service life in intensive applications, such as mining or logistics. It delivers greater resistance to dynamic stress and chemical aging, improving the belt’s operational reliability and lifecycle cost efficiency in compliance-focused industries. Industry compliance standards
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3. Sulfur Donor in Specialty Rubber Chemical ManufacturingChemical companies utilize this disulfide as a sulfur source during the production of specialty rubber chemicals, notably in the synthesis of benzothiazole- and sulfenamide-based accelerators. It enables controlled disulfide exchange and ensures the purity of downstream intermediate compounds essential for automotive, industrial, and consumer rubber goods. Industry compliance standards
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4. Modifier in Rubber Rollers and Printing Blanket FormulationProducers of industrial rubber rollers and precision printing blankets add this substance to achieve higher heat stability and abrasion resistance under high-speed service conditions. The compound addresses requirements for controlled modulus and minimizes swelling under solvent exposure—critical for print quality and long-term equipment functionality in demanding print and textile finishing operations. Industry compliance standards
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5. Processing Aid for Oil and Chemical HosesSpecialty rubber hose manufacturers depend on this disulfide to facilitate uniform sulfur bridging in oil and chemical-resistant hoses. The resulting hose products achieve required swelling resistance and flexibility, minimizing failure rates during repeated exposure to aggressive fluids in construction, oilfield, and chemical transfer environments. Industry compliance standards
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Every day in our plant, the thrum of reactors echoes the dedication that brings new chemistry to the world. Some specialty chemicals come and go, but a few serve as the backbone of industrial progress because of reliability and versatility. Among these, 3,3',5,5'-Tetrachlorodiphenyl Disulfide stands out. Our team has spent years refining its production, understanding its role deeply—right down to how a single sooty batch can throw off the whole process. The difference between a useful chemical and a true industrial asset comes down to more than just purity percentages or a name on a data sheet. Commitment to quality and knowing what the end-user faces makes all the difference.
3,3',5,5'-Tetrachlorodiphenyl Disulfide carries a unique structural twist. Those four chlorine atoms locked onto a diphenyldisulfide skeleton do more than sit pretty on a molecular diagram. In practice, that arrangement influences solubility, reactivity, and stability inside finished formulations. We regularly hear from industry partners who tried switching to similar compounds, whether straight disulfides or unchlorinated analogues, only to find unexpected incompatibility or subtle instability. The structure isn’t just an academic curiosity—it matters whether you’re compounding rubber, working with specialty plastics, or making high-resistance coatings where longevity isn’t optional.
Consistency starts with raw materials. We source high-purity dichlorobenzenes, and our sulfur is screened to avoid trace metals and other contaminants that can create off-notes in end products. Temperatures and pressures inside our reactors don’t just follow a chart—they match a stringent process developed through years of small tweaks. More than one chemist here can recall efforts in the early stages chasing down an off-color that ruined a whole batch. The answer lay not in just adjusting temperatures, but upgrading the filtration step, and then adopting better nitrogen blanketing. Each lesson learned along the way now shapes the industry’s day-to-day work.
Our current model for industrial application has a melting range designed to slot into compounding lines without disrupting throughput. Particle size, along with thorough blending, affects downstream success, especially where uniform dispersion into a polymer matrix is crucial. Too coarse, and you get speckling; too fine, and dust losses mount. Operators appreciate the consistency—fewer adjustments on their end, fewer surprises in finished goods.
Manufacturers and end-users often ask about our approach to specification setting. Years of working directly with tire and sealant factories, wire insulation operations, and even rubberized matting plants have shown us what truly matters. We don’t just test by the numbers; we design our tests to mimic customer protocols. Chlorine content, disulfide purity, thermal stability—each of these properties isn’t just a laboratory checkbox, but a direct lever on product performance on actual industrial lines. Our focus on precision balances out the hands-on reality: keeping by-products to a minimum, preserving storage stability, and ensuring the chemical flows well into mixing systems.
Rubber compounding crews have told us many times how a product like this can turn a challenging Cure recipe from “almost there” to “consistently right.” The disulfide bond grants the ability to facilitate cross-linking inside diene rubbers; the chlorinated rings resist oxidation, so the cross-linked network lasts longer even in aggressive settings. Whether we’re talking about automotive gaskets, hoses that see constant oil exposure, or cable sheathing in electronics that need to withstand thermal cycling, Tetrachlorodiphenyl Disulfide adds backbone. We’ve seen the most impact in blends aiming for enhanced aging resistance, minimizing the trade-off between flexibility and toughness.
Other plants target the material’s chemical resistance. In wire coatings, unwanted swelling or cracking from fuels and oils can ruin a batch before it leaves the floor. By incorporating Tetrachlorodiphenyl Disulfide, the final product shrugs off many chemical aggressors. This is no theoretical advantage. Anecdotes from third-shift operators—who protect lines against condensing oil mist or random solvent exposures—show that using this compound cuts downtime and lowers product returns.
It’s tempting to lump Tetrachlorodiphenyl Disulfide in with other sulfur donors or halogenated additives. Yet every time someone tries that route, the subtle differences turn quickly into production headaches. In the old days, plants adjusted by swapping between disulfide and polysulfide donors, or by tweaking antioxidant “recipes,” hoping for better results. These stopgaps just couldn’t nail the same combination of processing ease, heat resistance, and finished product color control.
Some competitors tried alternatives like straight-diphenyl disulfide, but unchlorinated models failed long-term durability tests, particularly in outdoor settings. On the other side, products overloaded with chlorine increased corrosion risks or generated unpleasant fumes in the downstream process. Our chemical’s balance—every functional group placed purposefully—lets us offer that sweet spot between operational safety and material resilience. Product consistency keeps our buyers coming back. They see what it does for quality assurance metrics and warranty claims, year after year.
Market needs rarely stay still. Our early buyers wanted only the basics—supply with repeatable purity, on schedule, no headaches. Over time, we’ve fielded requests for batches with altered particle size, or tailored reactivity for different polymer types. Each tweak brought its own learning curve, but we carried those lessons forward into our main lines, giving later customers a product forged in practical necessity, not just theory.
Take, for instance, a wire manufacturer who faced heat aging problems when pushing for thinner insulation layers. They needed precise dosing and seamless distribution to avoid weak spots. Trials using our Tetrachlorodiphenyl Disulfide fixed the problem, saving both materials and costly downtime. In another case, a tire plant struggled with premature embrittlement in their sidewall rubber under relentless sunlight. Switching from a generic disulfide to our more stable chlorinated variant extended tire lifespan on real-world test tracks—something that made all the difference in their product guarantee.
Reliable supply isn’t just a logistical badge—it’s part of manufacturing credibility. We invest in local storage and carefully plan logistics to keep customers’ lines running without disruption. Over the past few years, chemical distribution saw major strain due to raw material shortages and transportation hiccups worldwide. By controlling our own production, we avoid the uncertainty that often plagues traders or distributors, giving buyers confidence in both schedule and quality.
Working directly with industry partners lets us see shifting trends, so we know when to ramp up inventory, shift transportation modes, or proactively offer technical support for evolving applications. Our production crew has learned the hard way how a missed shipment impacts a plant on the other side of the globe. We’ve taken steps like establishing regional stockpiles and maintaining thorough digital traceability from raw input to outgoing truck. Experience teaches that transparency and long-term planning keep the wheels moving more than any just-in-time promise.
Chemistry isn’t about molecules alone—it’s about the everyday hands and minds that turn theory into reliable product. Our plant runs strict protocols for worker safety, from handling raw materials right through to packaging finished goods. Regular internal audits keep us ahead of the curve, not just ticking boxes, but pushing for meaningful improvements in both process and product safety.
Down the line, we keep close track of any customer reports about odor, volatility, or handling experiences, feeding those straight back into our system. Updated MSDS documentation reflects real plant experience, not just theoretical risks. Over the years, tighter environmental regulations led us to invest in better off-gas treatment and rigorous spill controls. We make sure safety information is accessible and rooted in practical, proven guidance from our own shop floor experience.
Regulations around halogenated chemicals evolve constantly, particularly when environmental stewardship gains urgency. Years of hands-on work have shown the value of preemptive action. We partner with local agencies, adopting tighter waste controls and recycling schemes long before mandates hit headlines. Our in-plant solvent recovery systems began as a cost-saving experiment but now stand as a point of pride: they sharply reduced hazardous discharge, cut our raw material bills, and set a new benchmark for peers.
We continue to monitor new studies about long-term environmental impact and incorporate those findings where real change can happen. Whether it’s through switching to greener energy sources, adjusting packaging to reduce waste, or working with customers to develop more sustainable downstream practices, we view responsibility as ongoing—never finished. Initiatives like partnering with logistics providers to cut carbon output, or transforming by-product streams into useful side products, grow from this core mindset. Industry doesn’t stop evolving, and neither does our environmental commitment.
Our work doesn’t stop at the factory gate. Technical support teams, including chemical engineers and application specialists, respond in real time to any hiccups in customer process lines. Troubleshooting isn’t about pushing out another datasheet, but giving practical, firsthand advice that reflects our own struggles and breakthroughs.
A few years back, a new client’s extrusion line began producing inconsistent cable jackets. After both teams spent hours reviewing the setup, the culprit turned out to be a subtle compatibility issue between their stabilizer pack and our Tetrachlorodiphenyl Disulfide. Real-world fixes—tiny tweaks in dosing and order of addition—solved the problem. Relationships built on honesty and technical grounding lead to joint improvements, not just for a single batch, but for future industrial recipes.
Standing still invites obsolescence. Our R&D team doesn’t just react to problems; they hunt for ways to push Tetrachlorodiphenyl Disulfide into new sectors, with smarter synthesis routes or enhanced performance features. As industries strive for higher efficiency and tighter compliance, we collaborate directly with end-users to trial novel additive blends, co-curing agents, or hybrid compositions.
Engagement with academic partners brings an extra layer of insight. Joint research projects spark questions about reactivity, toxicity, and recyclability—areas that matter for the next generation of manufacturing. As more clients call for customized variants, we dissect each need down to molecular details, giving rise to specialty grades and unique blends. Hands-on problem solving, born on busy plant floors, combines with scientific curiosity to carve out new opportunities for both producer and customer.
There’s a fundamental difference between manufacturing your own material and reselling someone else’s product. We know exactly what goes into each metric ton shipped, from the quality of input chemicals to how well our workforce is trained. This sense of ownership means rapid response times on both quality challenges and special requests. Industries staking their reputations on long-lasting, durable goods depend on this chain of trust.
Feedback loops between customer experience and in-house process improvement have shaped every part of how we design, make, and deliver 3,3',5,5'-Tetrachlorodiphenyl Disulfide. We welcome audits, walk customers through our plant, and share both successes and hard-won lessons. That transparency wins loyalty that a trader or distributor simply can’t match. Each order is more than a transaction; it’s a relationship that grows as the world of manufacturing shifts toward resilience, traceability, and higher standards.
From a manufacturer’s perspective, delivering 3,3',5,5'-Tetrachlorodiphenyl Disulfide isn’t just about producing another compound. It’s about anticipating shifts in industry, responding authentically to real-world challenges, and blending technical prowess with the grit of hard-earned experience. We see every batch, every shipment, and every client success or struggle as an opportunity for mutual advancement. Our story is written by the hands that run reactors, the minds that solve formulation challenges, and the partnerships that move industry forward—one dependable product at a time.