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HS Code |
136260 |
| Cas Number | 602-39-1 |
| Molecular Formula | C18H15Cl2Sb |
| Molecular Weight | 442.99 g/mol |
| Appearance | White to pale yellow crystalline solid |
| Melting Point | 147-149°C |
| Boiling Point | Decomposes before boiling |
| Density | 1.425 g/cm3 |
| Solubility In Water | Insoluble |
| Solubility In Organic Solvents | Soluble in chloroform, benzene, and ether |
| Chemical Structure | (C6H5)3SbCl2 |
| Stability | Stable under ordinary conditions |
| Storage Conditions | Store in a cool, dry place |
As an accredited Triphenylantimony Dichloride factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | A 100g amber glass bottle with a secure screw cap, labeled "Triphenylantimony Dichloride," includes safety hazard and handling instructions. |
| Shipping | Triphenylantimony Dichloride should be shipped in tightly sealed containers, protected from moisture and light, and clearly labeled as a hazardous material. Transport must comply with relevant regulations for toxic and corrosive chemicals, using secondary containment and proper documentation. Handle with care to avoid spills and exposure during transit. |
| Storage | Triphenylantimony dichloride should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from moisture, heat, and incompatible substances such as strong oxidizers and acids. Protect from direct sunlight and sources of ignition. Properly label the container and ensure secure shelving to prevent accidental spills or exposure. Use appropriate chemical storage cabinets when possible. |
Applications of Triphenylantimony Dichloride in Industrial ManufacturingAs an experienced manufacturer of Triphenylantimony Dichloride, we supply this specialty chemical to customers actively engaged in industries where precise chemical performance, strict regulatory compliance, and controlled process integration are critical. This section details verified downstream applications across distinct industrial sectors, each based on field-proven usage with specific compliance, formulation, process, and product requirements. 1. Polymer Flame Retardant Additive in Engineering PlasticsLeading compounders incorporate Triphenylantimony Dichloride as a synergist in halogenated flame retardant systems for thermoplastics such as ABS and HIPS, targeting enhanced char formation and suppression of smoke generation. In this application, the material integrates during the masterbatch compounding or direct extrusion stage, aligning with both global and region-specific fire safety regulations. Customers evaluate dosage based on resin viscosity, target UL 94 V-0 rating, and final use environment, balancing retention of mechanical properties with elevated flame resistance. Downstream plastics finished goods include electronic device housings, automotive interior components, and appliance parts requiring reliable flame performance. Industry compliance standards
Typical usage ratio
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2. Halogenated Rubber Cable Sheath FormulationWire and cable manufacturers in the electrical industry formulate Triphenylantimony Dichloride into cable sheath and insulation compounds to meet stringent flame propagation and smoke density criteria, especially for low-voltage cables installed in buildings and critical infrastructure. Acting as a high-temperature synergist with chlorinated paraffins, this additive enters the rubber mixing process ahead of extrusion and vulcanization. Adjustments to dosage reflect both cable diameter and sheath thickness, as well as national cable fire ratings. Final cable products are subjected to rigorous fire safety, aging, and toxicity evaluations before delivery to commercial construction and transportation infrastructure projects. Industry compliance standards
Typical usage ratio
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3. Catalyst Promoter in Organic Synthesis of PharmaceuticalsFine chemical and active pharmaceutical ingredient (API) manufacturers use Triphenylantimony Dichloride as a Lewis acid catalyst or catalyst promoter in selected organic transformations, including certain halogenation steps and carbon-carbon bond-forming reactions. The compound is typically introduced at a controlled stage of the synthesis to modulate reactivity and selectivity. Downstream producers must tightly control dosage according to process validation and ensure removal below specified limits in accordance with pharmacopeial standards. The finished APIs undergo strict quality and impurity testing per regulatory submission requirements before reaching formulators of finished dosage forms. Industry compliance standards
Typical usage ratio
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4. Chemical Intermediate for Fungicide SynthesisAgrochemical manufacturers utilize Triphenylantimony Dichloride as a key organometallic intermediate in the multi-stage synthesis of certain specialty fungicides, specifically for antimony-containing active substances registered in regional markets. The material is introduced during intermediate formation steps under anhydrous and inert atmosphere conditions, with strict recording and tracing for compliance to pesticide registration dossiers. The substance supports the production of formulated concentrates and wettable powders applied in high-value crop protection. Manufacturers monitor the input ratio based on stoichiometry and downstream conversion rates, ensuring product consistency and environmental compliance. Industry compliance standards
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5. Curing Accelerator for High-Temperature Silicone RubberHigh-materials manufacturers add Triphenylantimony Dichloride as a curing accelerator in custom silicone rubber compounding, especially for applications requiring thin-wall, heat-resistant elastomeric parts. The compound’s reactivity profile allows process engineers to increase throughput while maintaining network crosslink density and thermal stability, critical for automotive and electrical sealing solutions. Compliance focuses on industrial rubber specifications, and process engineers finely tune concentrations to avoid adverse effects on color or aging characteristics of the finished parts. Industry compliance standards
Typical usage ratio
Downstream process integration
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Anyone who has spent years in the chemical manufacturing business knows that a product’s reputation grows from years of meeting complex demands. Triphenylantimony dichloride remains one compound where consistency, purity, and hands-on know-how truly matter. Our teams produce this compound not from a spreadsheet but from bench-top understanding and years of refining every batch. Clients come to us because ‘good enough’ never keeps a reactor or formulation line running without hiccups. Our Triphenylantimony dichloride always starts with antimony metal of high purity, rigorously tested for trace contaminant levels, and ends with a crystal-clear product that performs reliably in every lot.
Going back to the laboratory floor, our chemists handle every step with careful observation, not just automated equipment. During chlorination and ligand exchange, temperature and agitation control levels affect yield and purity. If those variables drift, you face batch inconsistencies that show up as haze in crystals or performance drift downstream. By focusing on these details, we maintain purity at or above 99 percent and keep heavy metal impurities safely below critical thresholds. This approach pays off whenever we serve established polymer formulators and bold new research teams alike.
Chemical manufacturing only supports end-users when data turns into trust. With this in mind, our Triphenylantimony dichloride (Ph3SbCl2) batches deliver low moisture content, often below 0.1%. We ship in hermetically sealed containers, reducing the risk of hydrolysis—a key concern among process engineers. Granule size control matters, since handling ease and dusting problems can change from batch to batch. By keeping granules within a narrow, measured range, we make dosing into reactors both predictable and efficient, cutting down on wasted time and raw material.
Clients in flame retardant development, organometallic synthesis, and fine chemical intermediates have come back year after year because our product performs the way their R&D reports claim. In polymer modification, Triphenylantimony dichloride functions as a halogen stabilizer and processing aid. Small differences in reactivity or residual solvents can affect full-scale runs, sometimes triggering expensive troubleshooting or missed delivery deadlines. We run thermal gravimetric analysis, HPLC, and NMR on every production batch. Those numbers don’t just fill certificates—they answer daily process questions and support scale-ups.
A lot of offerings in this category originate from out-of-region suppliers or get passed through too many hands. This rarely helps downstream customers, who end up with variable purity, mismatched particle sizes, or even unexplained impurities. Over the years, we have tracked which minor byproducts put stress on catalytic systems and which grades give customers trouble in custom synthesis. We adjust our methods accordingly.
For example, trace chlorinated biphenyls may slip through in less controlled syntheses but can ruin a batch in pharmaceutical intermediates. Fused silica filtration and controlled crystallization minimize those risks. Our commitment to low residual solvents matters as well—especially when partners use Triphenylantimony dichloride as a Lewis acid catalyst in pharmaceutical or specialty polymer synthesis, where even small impurities can shift reaction outcomes.
Packing matters just as much as what’s inside. After repeated client feedback, we redesigned exterior drums to withstand rough handling and damp, ensuring even in transit, the product stays safe and contamination-free. For partners transferring the material into high-shear mixers or jacketed vessels, package design speeds the process, cutting downtime and improving worker safety.
Manufacturers with real skin in the game pay attention to process tweaks that make an outsized impact. Over the past decade, calls from research labs and pilot plants pushed us to introduce finer batch-specific customizations. We’ve adjusted particle size on request to match dosing systems, dialed in ultra-low sulfate content for semiconductor applications, and color-graded material when product appearance could influence quality assurance checks.
Some demands push the envelope—like neutralizing residual acidity to avoid downstream corrosion, or pre-blending with antimony pentachloride to tweak Lewis acidity in situ. Those requests only reach manufacturers willing to tune real chemistry rather than ship generic product. With steady feedback from global leaders in polymers and organometallics, each new order brings lessons that roll into the next batch.
It’s easy to mistake Triphenylantimony dichloride for other antimony compounds, but in lab and production settings, the nuances emerge quickly. Unlike triphenylantimony oxide, the dichloride form actively participates in halide exchange and Lewis acid catalysis. Chloride moieties can open pathways in organic transformations that the oxide cannot touch.
Other antimony halides on the market bring higher reactivity or increased hygroscopicity. Triphenylantimony dichloride falls in a stable midrange, offering strong performance in halogen transfer while avoiding decomposition risks seen in more reactive antimony pentachloride. Where antimony trichloride, as a simple salt, fails to enforce tight selectivity, the triphenyl ligand framework creates a tunable platform for many transformations.
End-users in flame-retardant research see clear differences: triphenylantimony dichloride disperses readily in polymer melts and boosts synergy with brominated systems, outperforming antimony oxide in complex blends. In academic labs, it operates as an intermediate for antimony-organic frameworks where ligand exchange and redox chemistry drive new material properties.
Anyone producing reactive organometallics knows attention to safety protects both workers and the value chain. We work closely with buyers on the ground, not just sending a product data sheet and walking away. Every shipment includes technical support, from process optimization tips to troubleshooting handling issues. Our site managers frequently remind partners about the effects of moisture exposure and the safe destruction protocols for any residual material.
Hazard mitigation remains part of daily practice, not an afterthought. For example, in environments where static charge or heat build-up could risk decomposition, we suggest both environmental controls and gradual addition techniques. Numerous clients implementing continuous feed processes saved both time and waste after consulting with our veterans on charging, monitoring, and cleaning.
We’ve seen growth in specialized applications—such as surface modification of nanoparticles and as a starting material in chiral ligand creation. Each of these uses brings fresh requirements, so we maintain a tight link with university partners and emerging technology firms to ensure our process stays current.
Complex chemistry can create complex waste streams. Over-the-fence production partners ask for clean, reliable antimony recovery systems, and we work with engineering teams to support reclamation. By recovering and recycling off-spec offshoots, both environmental impact and raw material consumption decrease.
Working with Triphenylantimony dichloride brings a natural question about downstream waste: what about antimony salts and trace halides left behind? Our staff regularly run closed-loop recovery scenarios to help clients identify recycling or waste minimization solutions, reducing the regulatory and landfill headwinds faced by larger producers.
We take stewardship seriously and adapt batch sizes or packaging on request, cutting down overstock waste. This nimble approach builds rare trust with both boutique labs and high-volume convertors.
Big moves in polymer science and environmental policy challenge traditional flame retardant and catalyst chemistries. Triphenylantimony dichloride keeps a foothold in much of this innovation, but only with continued attention to process improvement. Our technical staff run side-by-side comparisons of new ligand designs or alternative halide agents, making sure our processes remain relevant as standards shift.
Cross-checking analytical data and pushing for lower detection limits, especially for halide and residual solvent contamination, translates directly into safer performance for end consumers. Our in-house R&D continues to optimize crystallization and purification protocols, often based on blindsided issues reported by long-term partners. For example, trace organic impurities in some batches led us to overhaul our solvent supply chain, implementing new peroxide and halide testing.
As new applications develop—from metal-organic frameworks to advanced organocatalysis—our commitment to publishing reliable data and sharing findings with industrial partners strengthens both our product and reputation. Engagement with regulatory stakeholders, international customers, and cross-industry innovation teams keeps us informed and adaptive.
Antimony chemistry keeps finding new homes, from electronics to specialty materials. Every innovation cycle brings new questions about what level of purity, reactivity, and form will support breakthroughs while ensuring safety and sustainability. With Triphenylantimony dichloride, our job never stops at batch release or delivery. We remain partners in every research, production, or troubleshooting session our customers face. Reliable quality, detailed specification, answers grounded in hands-on knowledge—these keep clients coming back and push our team to raise the bar with every production cycle.
Anyone searching for Triphenylantimony dichloride not only wants a product by name but counts on hard evidence of performance and support through the entire supply journey. That’s how we operate: never as bystanders, always as invested manufacturers, standing behind the real chemistry that powers industrial and research success.