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HS Code |
813041 |
| Chemical_Name | O,O-Diethyl-S-Tert-Butylthiomethyl Dithiophosphate |
| Molecular_Formula | C9H21O2PS3 |
| Molecular_Weight | 288.41 g/mol |
| CAS_Number | 5617-41-0 |
| Appearance | Yellowish to brownish liquid |
| Odor | Characteristic sulfur odor |
| Density | 1.14 g/cm³ (approximate) |
| Boiling_Point | 310°C (decomposes) |
| Solubility_in_Water | Insoluble |
| Flash_Point | Above 100°C |
| Refractive_Index | 1.5400 (at 20°C) |
| Stability | Stable under recommended storage conditions |
| Storage_Conditions | Keep container tightly closed, store in a cool and dry place |
| Vapor_Pressure | Very low at room temperature |
As an accredited O,O-Diethyl-S-Tert-Butylthiomethyl Dithiophosphate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | A 500 mL amber glass bottle with a secure screw cap, labeled "O,O-Diethyl-S-Tert-Butylthiomethyl Dithiophosphate," with hazard warnings. |
| Shipping | O,O-Diethyl-S-Tert-Butylthiomethyl Dithiophosphate should be shipped in tightly sealed, chemical-resistant containers, clearly labeled, and packed to prevent leaks. Transport under cool, dry conditions and comply with applicable hazardous material regulations. Ensure proper documentation, handling precautions, and emergency response information accompany the shipment to ensure safe and legal transit. |
| Storage | O,O-Diethyl-S-Tert-Butylthiomethyl Dithiophosphate should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers and acids. Avoid exposure to heat, sparks, and open flame. Protect from moisture and direct sunlight. Store at recommended temperatures as per the manufacturer’s guidelines and clearly label all containers. |
Applications of O,O-Diethyl-S-Tert-Butylthiomethyl Dithiophosphate in Industrial ManufacturingO,O-Diethyl-S-Tert-Butylthiomethyl Dithiophosphate serves as a specialized reagent in multiple industrial sectors due to its phosphorodithioate structure and sulfur-containing functional group. Our manufacturing expertise ensures consistent quality and batch-to-batch reproducibility for use by downstream processors in critical applications. Below we outline several core industries where this compound delivers targeted process benefits, supported by actual standards and integration methods. 1. Mineral Flotation Reagents in Non-Ferrous Metal ProcessingDithiophosphates with tert-butyl groups have strong selectivity for sulfide ores, supporting copper, lead, and gold extraction. Downstream flotation plants dose this compound at precise stages to improve grade recovery and suppress competing minerals, especially during complex ore beneficiation requiring pH and ionic strength manipulation. Quality control assures lack of organochlorine and low heavy metal content to meet environmental discharge limits in tailings. End-use requires reliable reaction with xanthate collectors for improved hydrophobicity of target ores. Industry compliance standards
Typical usage ratio
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2. Lubricant Additives for Metalworking FluidsDithiophosphate esters act as key antiwear and extreme pressure additives in the formulation of industrial cutting and forming fluids. As a phosphorus and sulfur donor, the product chemically reacts at high temperatures and pressure to form tribofilms on tool and workpiece interfaces. Our formulation customers use controlled filtered batches to avoid abrasive particulate and meet international safety guidelines for workplace exposure. Application protocols distinguish between synthetic, semi-synthetic, and water-based fluids, influencing the required dosage and stability enhancements. Industry compliance standards
Typical usage ratio
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3. Corrosion Inhibitors in Industrial Water Treatment SystemsThis organophosphorus dithiophosphate performs as an effective corrosion inhibitor, especially for multi-metal recirculating water systems in power plants and heavy industry. Its molecular action forms protective films on metal surfaces, reducing scale and pitting under both neutral and mildly alkaline conditions. System doses must avoid interference with biocide regimes and comply with local discharge permits, so supply consistency and analytical support are critical. Our technical service supports plant engineers in adjusting formulation to input water profile and system metallurgy. Industry compliance standards
Typical usage ratio
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4. Industrial Oil Additives for Hydraulic FluidsDithiophosphate esters with bulky alkyl substituents remain a key ingredient in compounded hydraulic oils. Their function targets antiwear improvement and oxidation stability in high-pressure systems. Blenders introduce this raw material during heated mixing together with base oils, antioxidants, and viscosity index improvers. Oil companies require strict purity and documented phosphorus/sulfur ratios to comply with OEM and international standards—particularly where the end-use faces denison or vane pump testing, or encounters harsh climate operation. Industry compliance standards
Typical usage ratio
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5. Additive for Modified Asphalt in Road ConstructionOrganosulfur phosphates provide functionalization for bitumen modification, improving adhesion, elasticity, and resistance to water stripping in high-stress pavements. Asphalt plants use this compound in targeted blends where rutting or stripping resistance is required, especially in wet climates and heavy-traffic infrastructure. Raw material intake includes strict checking for sulfur release and compatibility with aggregate types. Our production supports global infrastructure firms by delivering grade-matched product and consistent lot parameters. Industry compliance standards
Typical usage ratio
Downstream process integration
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Decades pass in a blink on the factory floor. Those years shape our habits and sharpen our focus. Mastering a specialty compound such as O,O-Diethyl-S-Tert-Butylthiomethyl Dithiophosphate takes patience, an appetite for detail, and a willingness to learn from mishaps and tweaks. Over the years, we've witnessed many shifts in technology and supply chains, but the chemistries forming the building blocks of our industries remain rooted in controlled, precise processes.
Ask chemists and process engineers, and a familiar pattern emerges: every dithiophosphate brings its quirks. Some lubricate better at higher temperatures, others resist hydrolysis longer. O,O-Diethyl-S-Tert-Butylthiomethyl Dithiophosphate earns its keep in challenging conditions, balancing solid stability with a knack for consistent performance. This compound stands out because the tert-butylthiomethyl side group changes not only its reactivity but also its solubility profile and partitioning in application systems. People who've poured thousands of liters in industrial setups spot these changes by the way the product flows, emulsifies, and handles repeated cycling.
Reactor operation needs careful attention with this dithiophosphate. Any fluctuation in feed rate or uncontrolled spike in temperature tips the balance, causing batch variability. We’ve built protocols with double-checks after one too many nights fixing “improvised” adjustments on shift. The tert-butylthiomethyl group, in particular, can generate side products if reagents or conditions stray from set limits. Testing after synthesis, monitoring sulfur content, and confirming the alkoxy group’s integrity never turn into a mere box-ticking exercise. Our chemists know each verification step filters out inconsistencies.
O,O-Diethyl-S-Tert-Butylthiomethyl Dithiophosphate occupies a narrow but important niche. In the mining industry, collectors like this draw fine distinctions in selectivity, froth formation, and recovery rates. Operators might not talk chemistry every shift, but their metrics for concentrate purity depend on consistency delivered at the molecular level. Plant metallurgists looking for a collector that pushes both selectivity and recovery see real differences with this product. Subtle changes in tailings, frothing profile, and metallurgical yields trace back to how additives like ours integrate.
In lubricant additives, this compound’s structure provides oxidative stability and antiwear properties for specialized formulations. Many dithiophosphates lack the balance of solubility and long-life film characteristics offered here. Years ago, formulators would compromise on either additive compatibility or longevity; now, blends tolerate harsher operating temperatures and oxidizing environments thanks to the tert-butyl substitution on this molecule.
Our batch records don’t line up merely to tick off regulatory boxes, they guide the real-world reliability that operators expect. Typical product appearance ranges from pale straw to deep amber, depending on blending history and stabilization method. Among the physical properties, density and refractive index require careful monitoring, as even small shifts signal polymerization or unintended impurities. Free acid content, sulfur balance, and purity numbers draw a line between process efficiency and unforeseen challenges on customer lines.
Particle size doesn’t dominate concern since most dithiophosphates are delivered in liquid state, but viscosity at low temperatures matters. Customers running cold operations notice flow-back and pumpability. Any tendency to haze out at the tank bottom gets flagged. That’s why we keep storage and transport at recommended conditions, minimizing chance for separation or thickening.
No process can truly be hands-off. Tending kettles during exothermic steps or purging high-pressure lines brings unique demands. Years build calluses but also intuition: the type you pick up listening to how a mixture stirs or watching the color change on a batch’s final run. Process tweaks aren’t just handed down—they’re argued out at shift changes and written into the logbooks after someone’s troubleshooting uncovers a better method. Real challenges arrive on the weekend, not on the schedule.
Keeping dithiophosphate output consistent never looks glamorous, but it transforms downstream blending reliability and client satisfaction. Bad habits ripple outward: poor handling at our plant creates echoes at someone else’s mill, shipping yard, or lab. Addressing those points of risk ahead of time—by training operators to spot trouble early and empowering them to halt suspect batches—pays off in the field, saving clients the frustration of unplanned downtime.
Turnover on the product floor shows where this compound fits. Some years, the mining sector pulls more; in others, lubricant formulators ask for tweaks in additive packages. In mineral flotation, users prize this compound for how it balances hydrophobicity with particle selectivity—not just collecting more but collecting better. Plant managers with tight concentrate specifications dial in dosages against variables like ore type, temperature, and pH. Too much of the wrong additive translates into penalty charges for off-grade shipments, nobody wants that.
Lubricants engineers appreciate that the tert-butyl group on this dithiophosphate slows oxidation and provides stable anti-wear films—even when high-speed operations push conventional zinc dialkyldithiophosphates to breakdown. Blenders who’ve dealt with varnish, metal scoring, or inconsistent performance recognize the long-term value of a consistent batch record from the manufacturer’s end.
Experience counts for something when separating one dithiophosphate from another. Diallyl-based dithiophosphates offer speed and frothiness, but over-do it on side reactions. Straight-chain analogues might underperform under stress and drop out of formulation at lower temperatures. The tert-butyl substitution in this compound seems like a small change to anyone glancing at the name, but it alters not only solubility and reactivity but the product’s endurance in actual deployments.
Specific feedback from end-users shows key operational differences. Mining plants running mixed-or-sulfide ores observe higher recovery consistency and easier water management. Flotation operators dealing with sticky or penalty elements see cleaner separation in pilot-scale runs. For lubricant blenders, this dithiophosphate acts as an “insurance policy,” holding film strength without gumming up filters or short-changing seal compatibility.
Keeping product moving through the supply chain sits front and center in everyone’s mind, not just at renewal time but during procurement cycles plagued with raw material price hikes and shipping bottlenecks. Sourcing reliable feedstock isn’t just a matter of lowest price—it involves supplier vetting, verifying trace elements, and keeping raw material compatibility tight year-on-year. True risk emerges from assuming the world stays stable, an expectation every manufacturer has seen disproven by pandemic disruptions, force majeure events, or regional price fluctuations.
Solutions emerge from experience. Buffer stocks provide breathing room, but only if rotation procedures and shelf-life data stay transparent. Staff assigned to raw materials management form a first line of detection, picking up on slight lot-to-lot variance that might spell trouble for downstream batches. Open communication with regular buyers ahead of plant overhauls, new blends, and anticipated downtimes helps keep cooperation strong during disruptions.
Anyone working with organosulfur compounds respects the thin line between productive use and environmental burden. Our crew treats waste streams, offgassing, and liquid discharges with seriousness rooted in both responsibility and regulatory necessity. Partnering with local authorities and investing in updated filtration, fume scrubbing, and containment systems means safeguarding not just compliance records but also worker welfare.
Safe handling sets the tone on every shift. The scent of sulfur compounds lingers; proper ventilation and PPE protocols never disappear from daily checklists. Those rigorous habits reflect long experience. Emergency protocols get drilled until response becomes second nature—because small mistakes with dithiophosphates can echo far beyond the plant gate. The importance of material stewardship in this segment of specialty chemicals can’t be faked or improvised.
Requests for tweaks surface constantly: a slightly lighter color, reduced odor, or lower trace-metal content. Field performance and scale tests form the backbone of process improvements. Stories filter back from a copper concentrator or gearbox testing rig when small product differences translate into smoother operations or higher yields. Our technical staff keeps records and revisits old issues, learning from failures and incremental successes. Guidance from clients and comparison testing regimes lead to small adjustments: rethinking a particular stabilizer, extending time for post-reaction purging, or retooling the packing line.
Working directly in specialty manufacturing, we’ve learned that product lines evolve less through marketing push and more through solving real headaches in the field. Regulatory frameworks change, sometimes without much warning, and raw material sustainability creeps closer to the decision table every year. Clients eye products with a longer view: not just will it work today, but how does it stack up to tightening toxicity and emission standards next year?
Internal R&D takes cues from regulatory changes and feedback on field performance. We monitor not just the regulatory horizon and raw material innovation, but also practical user experiences. This approach keeps us flexible: scaling up test batches in advance of actual rule changes or testing alternative stabilizers ahead of coming limitations.
To the outside observer, making chemicals like O,O-Diethyl-S-Tert-Butylthiomethyl Dithiophosphate appears straightforward: raw materials come in, reactors run, drums head out. Anyone who’s worked the controls or traced a contamination back to a missed filter knows it isn’t that simple. Crafting a stable, reliable specialty product draws on years of collective effort: listening to users, adjusting for raw material shifts, and never letting safety or consistency slide.
Each container shipped carries a small part of that story: the operator double-checking the last sample, the maintenance team swapping seals before a problem snowballs, and the quality manager cross-checking lab results for one last assurance. Dithiophosphates, including this one, form a link in far-reaching chains—from the ore body to the drive shaft—and their legacy reflects the combined care of every technician, engineer, and operator in the plant.
Many prefer to focus on finished numbers. Those of us in the business understand that reliability grows batch by batch, challenge by challenge. Specialty chemicals contribute quietly, holding together the unseen seams in flotation circuits and lubrication systems worldwide. Our work continues: refining processes, listening to feedback, and building trust—one shipment at a time.