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HS Code |
234408 |
| Cas Number | 5611-38-7 |
| Molecular Formula | C21H16O4 |
| Molecular Weight | 332.35 g/mol |
| Iupac Name | 1,3-bis(benzoyloxy)benzene |
| Appearance | White to off-white solid |
| Melting Point | 186-190 °C |
| Solubility In Water | Insoluble |
As an accredited 1,3-Dibenzoyloxybenzene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 1,3-Dibenzoyloxybenzene, 25g, is packaged in a sealed amber glass bottle with a tamper-evident cap and chemical label. |
| Shipping | 1,3-Dibenzoyloxybenzene should be shipped in tightly sealed containers, protected from moisture and light, and cushioned to prevent breakage. It must comply with relevant chemical transport regulations, labeled appropriately with hazard information, and handled by trained personnel. Transport should be at ambient temperature unless otherwise specified by the supplier’s safety data sheet. |
| Storage | 1,3-Dibenzoyloxybenzene should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible materials such as strong oxidizing agents. Protect from moisture and direct sunlight. Label the container clearly and avoid excessive heat. Use proper personal protective equipment (PPE) when handling and ensure appropriate spill containment measures are in place. |
Applications of 1,3-Dibenzoyloxybenzene in Industrial ManufacturingAs an established chemical raw material supplier with direct production capability, we supply 1,3-Dibenzoyloxybenzene to specialized downstream sectors that require reliable purity, consistent quality, and material traceability. Below we detail its principal industrial application scenarios, specific formulation techniques, industry standards, and typical product outcomes based on actual customer integration. 1. High-Grade UV Absorber Production for Polymer FilmsLeading polymer manufacturers incorporate this compound as a critical UV stabilizer precursor in specialty film manufacturing. It serves as an intermediate during synthesizing complex benzophenone-type absorbers, which enable clarity retention and color fastness in high-performance films used in agricultural, packaging, and electronic shielding applications. Thorough control of feedstock quality directly impacts film resistance to UV-induced degradation. Industry compliance standards
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2. Fine Chemical Intermediate for Liquid Crystal Material SynthesisManufacturers in the high-performance electronics sector use this material within the organic intermediate synthesis chain for nematic and smectic liquid crystal compounds. Precise control of its purity enables downstream production of stable liquid crystals with tight tolerance on dielectric and viscosity properties, integral to display panel fabrication. Its consistently low impurity profile is especially crucial during scaled-up batch reactions for display-grade intermediates. Industry compliance standards
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3. Functional Additive for Thermoset Resins in Electrical InsulationElectrical insulation material manufacturers employ this compound as a specialty monomeric additive in high-temperature thermoset resin systems to impart enhanced thermal stability and electrical insulation properties. Its aromatic structure contributes to the resin’s oxidative resistance, which is critical during curing and sustained high-load operations. Adjusted blending proportions influence not just the dielectric constant but also the mechanical toughness relevant to transformer, generator, and switchgear parts. Industry compliance standards
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4. Key Ingredient for Specialty Coatings in Precision OpticsPrecision optics suppliers turn to this raw material for controlled incorporation in UV-absorbing and anti-yellowing coating systems, particularly where enduring optical clarity is non-negotiable. As a precursor to tailored oligomeric UV stabilizers, it allows manufacturers to produce coatings with durable light transmission and minimal haze growth under long-term exposure. Its reactivity profile is especially valued in solvent-based formulations for fine lens and filter applications. Industry compliance standards
Typical usage ratio
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At our facility, the process for producing 1,3-Dibenzoyloxybenzene has grown out of years on the shop floor, with hands-on attention to quality at every step. There’s a methodical approach from raw material sourcing through to the final QC release; nobody here cuts corners, because small impurities have a way of showing up at the worst moment, undermining downstream results for customers relying on consistency. Every technician on the line understands that the end users—often researchers and developers—notice even minor flaws in purity. Each detail, even the way we filter intermediates, matters in creating a product that does its job batch after batch.
1,3-Dibenzoyloxybenzene stands out as a crystalline organic compound designed for uses that demand more than mere basic benzoate derivatives. Its chemical identity stems from a core benzene ring, symmetrically substituted at the 1 and 3 positions with benzoyloxy groups. This structure gives the molecule solid thermal stability and a substantial melting point, and it resists yellowing when exposed to lab lights or mild temperature swings. Batch testing kinks out the variables in color, flow, and form, as variance in these areas affects final formulations downstream. This is not a generic filler or bulk ingredient; it sees use mainly where an exacting chemical backbone is required.
In practice, we produce 1,3-Dibenzoyloxybenzene with regular particle size verification to limit dust formation and clumping during storage or transfer. Typical purity tested by HPLC frequently exceeds 99%, with residual solvents and low-level byproducts tightly controlled. Oxidative degradation, one of the more common pitfalls in this line of chemistry, often gets overlooked by smaller producers, but here the material undergoes a final inert atmosphere purge. A successful product comes down to preventing these little side reactions from sneaking in and diminishing its effectiveness for the end user. Our staff weighs each drum with a practiced eye; if they notice a batch is trickier to handle, we flag and investigate. This is not something one can delegate to lab automation—an experienced glance picks up the difference.
Color often tells its own story. Clean, white crystals mean the upstream chemistry remained on track, with few color bodies or tars creeping over from the initial benzoic acid reactions. Dullness or yellow tint rings alarms and triggers a look over the entire production log. There’s pride in holding a clear sample up to the light, knowing nothing from early oxidation slipped through, no off-spec solvent residues went undetected, and that the drying process preserved the flow and structure for reliable discharge into customer processes.
Years dealing with the realities of chemical production have taught us that consistency is the result of routine, careful monitoring. It doesn’t just mean repeating steps with robotic precision. Human eyes—there on the shop floor—catch what automated sensors miss: a drift in humidity that tells you a dryer door didn’t seal, a faint ammoniacal smell hinting at degradation, a sudden increase in filtration times from a slight clog. These observations prevent costly defects long before they ever leave the site.
We’ve had batches where a supplier's slight change in benzoic acid shelf life caused problems a month later. Recognizing patterns like this, logging small deviations, and following up with extra analysis have allowed us to develop a playing field where product recalls and customer rejections stay rare. This level of attention keeps the compound performing identically every time. No distributor or reseller truly understands this reality, because they work with what they’re given. In-house manufacture means accountability from start to finish.
From ongoing talks with formulators, it’s obvious this compound rarely lands in basic prep work. Instead, you find it in advanced research, specialty polymer additives, and the synthesis of uncommon organic intermediates. It remains a favorite because of its dual benzoyloxy configuration, which resists hydrolysis and holds steady as a building block when milder chemicals falter. Our clients often mention its stability under variable heat cycles, which saves headaches in multi-step syntheses where each impurity or side-reaction can wind up compounding into an unusable mess.
This is not the cheapest benzoate available. Its uses rarely overlap with lower-cost alternatives that don’t deliver the same backbone. End users in analytical chemistry remark on the fine line between a clean chromatogram and one marred by ghost peaks—the wrong impurity here can double a lab team’s troubleshooting workload overnight. Because every lot comes attached to its full analysis spectrum, folks know exactly what’s going into their pilot plant or research bench. Repeat customers keep coming back, and we see it as proof that this care pays off where it matters.
Plenty of other benzoate derivatives fill the market. Some share partial functional similarities but tend to lag behind in either reactivity control or stability. The unique double benzoyloxy substitution in this product creates a balanced molecular rigidity, which reduces unwanted breakdown, especially in high-shear mixing or thermal cycling applications. Instead of fragmenting under stress, the molecule stays whole, which matters during downstream processing like polymerization or advanced surface treatments.
Comparison with mono-benzoyloxybenzene products reveals a significant distinction: those single-substituted cousins often break down faster under processing conditions and double as sources of byproduct formation. Side product residues disturb delicate synthesis balances, especially where temperature ramping is required. Our analysis has shown that, over prolonged testing, the dual-substituted molecule outperforms in both storage and actual use, rewarding formulators who invest in higher-quality ingredients.
Not to be confused with a host of ‘look-alike’ benzoate materials, our 1,3-Dibenzoyloxybenzene avoids problem contaminants thanks to tighter control of the starting benzoyl chloride and highly optimized purification steps. These details extend shelf life and boost compatibility across a range of organic and polymer applications. Many users report increased yields and less waste compared to those working with lower-grade or less aggressively purified variants.
The team learned that small process tweaks, like extended filtration times or an extra recrystallization pass, pay back over time in fewer customer complaints and shorter troubleshooting cycles. Some years back, an uptick in end-user returns traced back to a slight change in solvent drying protocols. Addressing the root—adjusting the dry-down temperature curve and enhancing solvent recovery—reduced the defect rate to near zero. These refinements are simple in theory, but they require a workforce that understands the impact of a single decimal place on HPLC results or the significance of offbeat melting points.
While some manufacturers skip long quality checks to increase throughput, our facility sticks to slow, deliberate analysis for each finished lot. Staff rotate through production and QC, sharing learnings. This inside view from both ends—production and analysis—leads to more robust reactions, less “off-spec” dramas, and far lower chances of a ruined production run at a customer’s site.
Clients regularly share test results and practical observations. Their real-world feedback about issues like caking during winter shipping or trace solvent signals in finished products help us tune the production line. The exchange is not just one-way—our manufacturing chemists have walked many technical support calls, guiding process engineers through optimizing conditions for running 1,3-Dibenzoyloxybenzene in pilot-scale reactors. This kind of engagement delivers raw, unfiltered perspective, directly feeding process improvements back at our plant.
There are occasional requests for ultra-fine grades or custom-sized crystals, prompting us to experiment with batch modifications and alternative drying equipment. Instead of forcing a one-size-fits-all mentality, we openly share where our strengths lie and suggest trusted partners for requests outside standard specs. This transparent back-and-forth forms lasting relationships with technical users and, from our view, sharpens our technical edge over faceless trading firms and bulk resellers.
Supply chain instability routinely affects small specialty molecule manufacturing. The upstream cost of benzoyl chloride, shipment delays for catalyst procurement, or political fluctuations can raise barriers. Our approach banks on strategic reserves of the key inputs and pre-qualifies multiple sources. No one wants to halt a campaign due to a missing drum or find out late in the month that a shipment’s purity slips below tight benchmarks. We keep these risks top of mind by conducting quarterly reviews, adjusting procurement plans based on market shifts, and maintaining high-touch supplier relationships. This hands-on logistics management improves on-the-ground resilience far more than relying on distant intermediaries.
Operating as a manufacturer grants daily awareness of these issues. It’s easier to recognize unique lot characteristics—maybe a subtle change in odor points to upstream variation—when you stand at the blending tanks each morning. Compared to offsite distribution, on-site manufacturing staves off error propagation, and issues are addressed before product ever leaves our hands.
Recent years brought greater attention to sustainable process chemistry and solvent use reduction, areas where 1,3-Dibenzoyloxybenzene holds promise. Because it remains chemically stable across common green solvents, it fits newer protocols with tighter regulatory scrutiny and more demanding residual limits. Formulators need consistent backbone compounds to build new, environmentally safer products, and our experience with multi-stage solvent recovery and minimal-waste crystallization keeps us on the leading edge of compliance.
Colleagues at universities and private labs often reach out regarding unusual applications—sometimes requesting analytical insight, other times seeking to push the compound’s function beyond historical literature. In these projects, close cooperation between manufacturer and research lab brings discoveries to light that would otherwise go unshared. Sharing real-world application data helps guide further optimization and ensures production remains relevant in changing research and industrial landscapes.
Daily, we see the difference that manufacturing experience and direct process insight bring to the table. 1,3-Dibenzoyloxybenzene, in the hands of a dedicated production team, becomes more reliable, higher-performing, and ultimately more valuable to users building new technologies or refining established formulations. Underneath each drum sits a legacy of practice, learning, and real improvement — not just numbers on a certificate.
Every lot tells a story: from starting materials vetted by experienced receivers, to careful blending and monitored purification, through to each batch turning up clear and crystalline when it lands at the customer’s site. It’s not a commodity or a byproduct. It’s the result of hands-on know-how that stands behind every sack, every time.