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Triphenylantimony Dichloride

    • Product Name Triphenylantimony Dichloride
    • Alias Antimony, dichlorotriphenyl-
    • Einecs 215-709-1
    • 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

    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 & Storage
    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.
    Application of Triphenylantimony Dichloride

    Applications of Triphenylantimony Dichloride in Industrial Manufacturing

    As 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 Plastics

    Leading 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

    • UL 94: Standard for Safety of Flammability of Plastic Materials
    • IEC 60695-11-10 & 60695-11-20: Fire Hazard Testing (Glow-Wire and Needle-Flame Test)
    • RoHS Directive 2011/65/EU (regarding limited substances)
    • EN 45545-2: Fire Protection on Railway Vehicles

    Typical usage ratio

    • Recommended addition: 2–8 wt% in finished resin blend, with adjustment depending on polymer type and synergist system. Higher percentages improve flame retardancy but may affect processing rheology.

    Downstream process integration

    • Incorporated during masterbatch or direct compounding with resins and primary halogenated flame retardants in melt mixing extruders; homogeneously dispersed through high-shear mixing before pelletizing or direct molding.

    Final product types

    • TV and monitor enclosures
    • Automotive dashboards and trim parts
    • Household appliance electrical panels
    • Public transportation interior panels

    2. Halogenated Rubber Cable Sheath Formulation

    Wire 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

    • IEC 60332: Tests on Electric and Optical Fibre Cables under Fire Conditions
    • GB/T 18380 (China fire testing standard for cables)
    • EN 50267 (Halogen-Free and Low-Smoke Cable Standards)
    • ISO 6722: Road Vehicles—60V and 600V Cables

    Typical usage ratio

    • 0.5–4 phr (parts per hundred rubber), optimized according to cable wall thickness, polymer base type, and local flammability code.

    Downstream process integration

    • Added during the internal mixer or two-roll mill pre-blending stage, typically dosed with other functional and mineral fillers prior to cable compounding, followed by shaping and vulcanization.

    Final product types

    • Halogenated flame-retardant power cables
    • Low-smoke zero-halogen (LSZH) cable sheath materials (when used in combination systems)
    • Flexible building wiring and signal cables
    • Transportation communication cables

    3. Catalyst Promoter in Organic Synthesis of Pharmaceuticals

    Fine 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

    • Current Good Manufacturing Practice (cGMP) for APIs (ICH Q7, FDA 21 CFR Part 211)
    • USP/NF or relevant Pharmacopeial Monographs (for catalyst residues)
    • ICH Q3D (Guideline for Elemental Impurities)
    • European Pharmacopoeia (Ph. Eur.) 2.4.8 Trace Metals

    Typical usage ratio

    • 0.01–0.5 mol% relative to substrate, strictly minimized and based on optimization studies; careful removal and analytical verification required in final purification.

    Downstream process integration

    • Fed into reaction vessels as a catalyst at predefined synthetic step via metered addition, followed by aqueous or solvent extraction and purification to achieve sub-ppm antimony residue levels.

    Final product types

    • Pharmaceutical intermediates
    • Active pharmaceutical ingredients (APIs) for anti-infective, cardiovascular, or oncology therapies (where permitted and validated)
    • Specialty building block chemicals for custom synthesis contracts

    4. Chemical Intermediate for Fungicide Synthesis

    Agrochemical 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

    • FAO/WHO Specifications for Plant Protection Products
    • OECD Guidelines for the Testing of Chemicals (especially for fate and residue studies)
    • ISO 9001:2015 Certified Quality Systems for Agrochemical Production
    • National pesticide registration requirements (e.g., US EPA FIFRA, EU Regulation 1107/2009)

    Typical usage ratio

    • Calculated on a stoichiometric basis for target active ingredient formation, generally 1–1.2 equivalents to the core reactant; excess managed through post-reaction workup and recovery cycles where possible.

    Downstream process integration

    • Charged into agitated batch reactors during the early or mid-stage of active substance formation, followed by hydrolysis, extraction, and crystallization before formulation into registered crop protection products.

    Final product types

    • Antimony-based fungicidal active ingredients
    • SC (Suspension Concentrate) and WP (Wettable Powder) fungicide formulations
    • Bulk technical concentrates for downstream formulation

    5. Curing Accelerator for High-Temperature Silicone Rubber

    High-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

    • ASTM D2000: Standard Classification System for Rubber Products
    • ISO 23936-2:2011 (Elastomers for Oil & Gas—High-Temperature Applications)
    • RoHS Directive 2011/65/EU (where end-use applies)
    • Customer-specific QA/QC release protocols

    Typical usage ratio

    • 0.1–0.8 phr (parts per hundred rubber), with selection based on desired cure time, product wall thickness, and thermal exposure requirements; higher amounts reserved for thick or complex geometries.

    Downstream process integration

    • Premixed with silicone gum and peroxide curing agents onsite during open mill or internal mixer blending, then directly formed through extrusion, calendaring, or compression molding, followed by controlled post-cure cycles.

    Final product types

    • Automotive gaskets and high-demand engine seals
    • Wire and cable jacketing for high-temperature applications
    • Industrial oven, lamp, and sensor seals
    • Resilient technical parts used in oil, gas, or electrical assemblies
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    Certification & Compliance
    More Introduction

    Triphenylantimony Dichloride: Our Experience Delivering Quality and Consistency

    Decades of Crafting Exact Chemistry

    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.

    Specifications and Real-World Relevance

    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.

    Standing Apart in a Crowded Market

    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.

    Why Experience Drives Product Improvement

    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.

    Differentiating from Similar Products

    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.

    Supporting Safe and Effective Use

    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.

    Environmental Considerations and Waste Recovery

    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.

    Ongoing Research and Assurance for Industry Needs

    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.

    Looking Ahead: Triphenylantimony Dichloride in Tomorrow’s Markets

    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.