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HS Code |
905134 |
| Cas Number | 90687-36-6 |
| Molecular Formula | C7H3Cl2F3O |
| Molecular Weight | 231.01 g/mol |
| Iupac Name | 1,3-dichloro-4-(trifluoromethoxy)benzene |
| Appearance | Colorless to pale yellow liquid |
| Boiling Point | 204-206 °C |
| Density | 1.506 g/cm³ at 25 °C |
| Refractive Index | 1.507 at 20 °C |
| Purity | ≥98% |
| Solubility | Insoluble in water, soluble in organic solvents |
| Flash Point | 92 °C |
| Smiles | C1=CC(=C(C=C1Cl)Cl)OC(F)(F)F |
| Inchi | InChI=1S/C7H3Cl2F3O/c8-4-1-2-6(5(9)3-4)13-7(10,11)12 |
| Synonyms | 4-(Trifluoromethoxy)-1,3-dichlorobenzene |
As an accredited 1,3-Dichloro-4-(Trifluoromethoxy)Benzene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 500g of 1,3-Dichloro-4-(Trifluoromethoxy)Benzene is supplied in an amber glass bottle with a tamper-evident screw cap. |
| Shipping | 1,3-Dichloro-4-(Trifluoromethoxy)Benzene is shipped in tightly sealed containers, compliant with local and international chemical transport regulations. It must be protected from light, moisture, and physical damage. Labeling in accordance with hazardous material standards (such as UN numbers) is required to ensure safe handling and storage during transit. |
| Storage | Store 1,3-Dichloro-4-(trifluoromethoxy)benzene in a tightly sealed container, in a cool, dry, and well-ventilated area away from sources of ignition and incompatible substances such as strong oxidizing agents. Protect from moisture and direct sunlight. Clearly label the container, and limit access to trained personnel. Use secondary containment and follow all pertinent safety and environmental regulations for storage of hazardous chemicals. |
Applications of 1,3-Dichloro-4-(Trifluoromethoxy)Benzene in Industrial Manufacturing1,3-Dichloro-4-(Trifluoromethoxy)Benzene serves as a key halogenated aromatic compound in highly regulated chemical syntheses. Its unique trifluoromethoxy and dichloro substitution provides high reactivity and selectivity for advanced intermediates. As a manufacturer, we supply this material directly for critical downstream processes in crop protection, pharmaceuticals, high-performance polymers, and agrochemical R&D. 1. Active Ingredient Intermediate for Crop Protection ChemicalsLeading agrochemical producers incorporate this material as a chlorinated intermediate to construct complex active ingredients, particularly selective herbicide molecules for cereal and broadacre applications. Its electron-withdrawing substituents allow fine-tuned reactivity in transition-metal catalyzed coupling steps, such as Suzuki-Miyaura and Ullmann-type reactions, directly affecting the activity spectrum of the final crop protection compound. Industry compliance standards
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2. Building Block in Pharmaceutical Synthesis (API Intermediates)Pharmaceutical manufacturers use this compound as an essential halogenated arene precursor in specialty API intermediate syntheses, including those for certain anti-inflammatory and oncology drugs. Its molecular structure allows nucleophilic aromatic substitution and palladium-catalyzed functional group installations with high selectivity, supporting multi-step syntheses under stringent GMP procedures. Industry compliance standards
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3. Monomer Intermediate for High-Performance PolymersProducers of specialty polymers utilize this compound as a monomer precursor where halogen and trifluoromethoxy functionalities confer enhanced thermal and chemical resistance. The aromatic system undergoes nucleophilic aromatic substitution or condensation polymerization in the synthesis of custom-engineered resins and coatings for electronics, aerospace, and automotive sectors. Industry compliance standards
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4. Key Reference Material for Agrochemical Analytical R&DR&D laboratories in multinational agrochemical enterprises employ this compound for reference standard synthesis, method validation, and impurity profiling during development of new crop protection molecules. Its defined substitution pattern enables precision in creating structural analogues and establishing analytical reference values for technical material characterization under ISO-accredited protocols. Industry compliance standards
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Years in chemical manufacturing teach that every intermediate offers a distinct value, not just to customers but to how we design the molecules that drive progress in pharmaceuticals and agrochemicals. 1,3-Dichloro-4-(Trifluoromethoxy)Benzene—known at the plant under its common name—holds an important spot in our product line for good reason. It delivers both the reactivity and selectivity that downstream synthesis work demands. Generations of chemists on our team have seen shifts in target molecules, yet the performance of this molecular scaffold continues to support innovation in discovery pipelines.
At the shop level, this intermediate comes out of a carefully tuned halogenation and substitution process. We control the introduction of chlorine and trifluoromethoxy groups in regulated conditions. Our experience has shown that small impurities undermine application performance. Each batch undergoes rigorous gas chromatography and NMR checks; deviations are flagged well before filling begins. The usual model coming off our production line meets 99 percent minimum assay by weight, with controlled levels of moisture and low-volatility halogenated by-products held beneath strict thresholds. Most of our volumes head to customers in custom packaging, based on feedback from every major region’s logistical needs. We handle the product in solid form at ambient temperature, a straightforward but crucial shift from some legacy benzene derivatives which risk liquid-phase loss at room temperature. This stability takes stress out of transport and storage routines.
Over the years, customers have needed consistency on several fronts. Residual acid content, residual solvents, and batch-to-batch color difference can introduce headaches when scaling up for process development. Our own pilot scale trials taught us that the best specifications serve the formulator downstream. Moisture content, according to our latest batch records, typically runs well below 0.2 percent. Color shadings across lots remain faint to off-white, without the yellowing that some off-grade sources yield. Particle sizing receives a careful eye—overly large crystals can cause dosing clogs in automated lines, so our drying and granulation steps are timed and validated. These may seem like small details, but small details build trust. After all, replacement costs in a full-scale reactor run far higher than the few days extra at the quality check stage.
Customers in the pharmaceutical world have often pointed to the role this benzene variant plays in constructing key intermediates, especially during the exploration of trifluoromethoxy-bearing entities. Incorporating such an electronegative group at the para position, while holding onto dual chlorines, lets researchers modulate electron density and reactivity patterns. Such features matter when targeting selective coupling or seeking out certain patterns in metabolic stability. From years of customer feedback and our participation in international consortia, it’s clear that the presence of the trifluoromethoxy group can both increase the lipophilicity of an active molecule and adjust its resistance to metabolic breakdown. Formulators aiming to fine-tune both potency and pharmacokinetics often turn to this intermediate for these reasons.
Colleagues in crop-protection development highlight the same molecular features, but bring a different perspective. The solid-state stability and robust halogenation profile help build scaffolds that stand up well to weathering on crops and resist microbial degradation in the open field. Our own collaborators found that moving from more labile benzene derivatives to this stable trifluoromethoxy variant reduced degradation rates in field trials. Fewer breakdown products not only help in meeting regulatory residue requirements, they support longer persistence for season-long effect. Batch feedback from several pilot farms noted drops in application frequency, a win for both sustainability and input costs.
Many ask how 1,3-Dichloro-4-(Trifluoromethoxy)Benzene separates itself from similar intermediates. As manufacturers, we ask the same question before every scale-up. Compared to basic dichlorobenzenes, the presence of the trifluoromethoxy group blocks unwanted electrophilic substitution, enhancing selective reactivity in downstream functionalization. Classic trifluoromethoxybenzenes, those with only one chlorination, tend to yield less robust intermediates in multi-step sequences. Our process does not chase marginal improvements—it pursues clear leaps in usability and shelf-life.
Reproducibility ranks just after purity in our list of must-haves. Organic synthesis is unforgiving; a single impurity can derail weeks of work. The process we use, refined over a decade, keeps trace contaminants below parts-per-thousand, a critical factor for those scaling beyond bench-top chemistry. Over time, we noticed other manufacturers chase batch speed at the expense of depth in process control. Instead, we kept our focus steady, ensuring each run aligns with our original method validations. The difference shows up not only in analysis sheets, but in the way our product performs during cross-coupling, nucleophilic aromatic substitution, or more specialized transformations like directed ortho-metalation.
Not long ago, a customer came to us after a failed pilot run with a competing product, one that showed unpredictable melting and incomplete reactivity. A quick examination traced back the culprit to moisture buildup and low-level impurities. Since then, every lot leaving our plant receives moisture tests and extended storage trials under typical warehouse conditions. Real-world storage is rarely climate-controlled. By shining a light on stability from both chemical and logistical points, we enable users to plan with confidence.
Chemicals with multiple halogens bring transportation and handling challenges. Decades managing these hazards in our own sites have informed flexible safety measures we now share with partners. For example, our packaging system incorporates vapor barriers, keeping exposure under control and meeting requirements of both inland and maritime routes. Regular training for our logistics crew reduced reported incidents to near-zero last year, a testament to the power of preparation over automation. Our facilities work with local first responders to rehearse emergency containment, and every batch runs a double-check at the loading dock for seal integrity.
Recent global disruptions—raw material shortfalls, transportation bottlenecks—taught us hard lessons about contingency. Our sourcing strategy pivots on long-standing agreements with reliable suppliers, many of whom we’ve visited on their own production floors. Vertical integration on select raw ingredients has insulated us from price spikes and supply interruptions that have stymied distributors operating on spot markets. In lean years, this approach ensures we keep delivering your order when others delay or downscale their commitments. We keep a maintained buffer inventory for this intermediate, enough to ride out periodic surges in demand.
Many researchers who work with our product come to us at early stages—preclinical or pilot phases—seeking both technical advice and larger-scale material for follow-up runs. Feedback loops strengthen our own process. For example, one research team shared an analytical hurdle—trace metal content interfering with sensitive pharmaceutical probes. Our QC department responded with ICP-MS monitoring and batch sorting, ultimately lowering detectable metals to below industry-requested limits. By treating customers as collaborators, our manufacturing group continues to tweak conditions for cleaner, safer, and more adaptable outputs.
Every halogenated compound brings environmental considerations. Years operating under evolving regulatory frameworks compels us to invest early in emissions controls and solvent recovery. We recapture more than 80 percent of process solvent from this line, using a closed-loop vacuum system commissioned with input from our own maintenance staff. Air monitoring and periodic site audits keep our releases below legal thresholds and industry benchmarks. Neighbors and local agricultural users rely on our transparency, so we issue voluntary reports even when not mandated. Our goal is simple: send less waste to landfill and lower emissions one process at a time.
Cost analysis in manufacturing always runs deeper than what’s printed on an invoice. Price fluctuations, transportation costs, and regulatory tariffs all affect the landed price. But the less visible costs—unplanned stoppages, delays from variable quality, cleaning after off-spec reactions—often dwarf minor differences in base price. We have seen how a consistent, high-quality supply of this intermediate lowers total cost for the customer at the end of the project. Extended downtime for troubleshooting, requalification, or batch rejection puts real pressure on timelines and budgets; reliable supply smooths out these bumps.
Our plant crew meets regularly to review performance on this line, not just from lab data but from feedback on real-world performance. Early on, we broadened our drying step to counteract unpredictable weather affecting residual moisture. Later, improvements in crystallization gave a more manageable particle size, responding to automated feeding requests from a long-term partner. Each practical fix serves as a lesson on how incremental steps, not grand overhauls, raise overall manufacturing standards.
Years navigating the regulatory landscape make one thing clear: proactive compliance beats last-minute paperwork every time. We maintain dossiers for this compound that align with leading markets’ safety and transport requirements. SDS and COA documents reflect up-to-date hazard communication, aligning each record with in-house analysis. By tracking changes to national and international regulations, our compliance desk keeps customers prepared for evolving expectations around documentation and handling.
Audits, inspections, and internal reviews run year-round for each production line. For this product, traceability follows every step, from feedstock origin to delivery batch, supported by digital recordkeeping and physical logs signed by staff at each transfer. Issues spotted in QA feed directly into training for floor operators, not just emails from management. This collective ownership means process improvements stick. Over time, out-of-spec rejections dropped and rework costs fell. Our operators take pride in knowing their attention to every bag, drum, and shipment builds a broader trust in the materials we supply.
Relationships define our industry. Years of experience revealed that repeat customers focus less on marketing claims, more on the everyday performance of the products they use. Reliable intermediates let them move faster in discovery, gain fewer process interruptions, and keep workers safer on the job. Direct manufacturers know these pressures, living through their own equipment breakdowns and last-minute changes. Long-term supply agreements, shared troubleshooting, and open communication keep both sides humming. Regular meetings with our partners often reveal process snags we can address with slight modifications at our end—whether that means changing particle sizing, adjusting packaging format, or building a new impurity profile for a special project.
Not every molecule with similar functional groups behaves alike. Colleagues have substituted cheaper or more available dichlorobenzenes only to find significant drop-off in downstream coupling reactions. Bench chemists and process engineers report that our trifluoromethoxy variant offers extra stability, especially in reactions sensitive to water or trace halide content. In several cases, customer labs mapped byproduct routes and found our material cut out problematic side reactions seen with lower grade lots from other origins. Even slight color or odor changes point to impurities that could gum up later processes or raise regulatory red flags. For anyone scaling up, such differences in day-to-day usability carry more weight than technical data tables suggest.
No amount of automation or digital monitoring can replace experienced eyes and steady hands in a chemical plant. Many on our team have decades working the same reactors and know the behavior of this product in its intermediate stages. Their troubleshooting skills and ownership over process tweaks contribute directly to the reliability that our partners experience downstream. Training new staff—especially during periods of growth—focuses on teaching not just the “how,” but the “why” behind each check, test, or sample. This builds a resilient culture that navigates process changes, safety updates, and scale-up runs with confidence.
Research goals continue to shift, as customers chase new targets in pharma, crop science, and advanced materials. Each request for a modified impurity profile or a different physical form pushes us to adapt, whether by adjusting distillation cut points or exploring new purification steps. A recent cohort of younger chemists in our plant brought fresh perspective on solvent reduction and green chemistry, sparking new trials in alternative reaction media. Such initiatives not only shave off input costs; they reduce energy demand and waste output.
Whereas the core technology behind chlorination and trifluoromethoxylation has remained relatively stable, their integration with continuous flow chemistry and automated sampling now opens pathways to smoother scale-up and even better reproducibility. Recently, we piloted a miniaturized reactor system for this product, cutting down on hold times and lowering the risk of off-spec material. As safety standards climb and expectations rise on both environmental and process fronts, these investments keep us and our customers a step ahead.
No review would be complete without looking hard at ongoing obstacles. Volatility in raw material costs, energy pricing, and workforce shortages now form the backdrop of each planning meeting. Raw input purity issues sometimes crop up despite strong upstream collaborations. In those cases, our technical team hunts down the source, adjusts purification trains, and revalidates process steps accordingly. Seasonal changes impact not only storage but reaction kinetics themselves, necessitating tighter process windows and new rounds of staff training.
With new chemical regulations emerging globally, document control cannot remain an afterthought. Each region puts its spin on existing policies, creating occasional mismatches that slow down shipping or batch release. Proactive engagement with regulators and regular staff seminars help us keep all transport and compliance records locked down and ready. Over time, we’ve learned there is no substitute for keeping the communication lines open, both internally and to customers who depend on timely deliveries and clear labeling.
Direct manufacturing means standing behind each drum and bag that leaves our plant. By leveraging deep technical experience, persistent process improvement, and responsive collaboration, we deliver more than a commodity—they get a tool for the next wave of synthetic advancements in medicine, agriculture, and materials science. Our team remains ready to site visit, train, or adapt process parameters to meet the evolving landscape of requirements and goals. In every sense, the effort invested upstream pays dividends well beyond the plant gate.