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HS Code |
198086 |
| Product Name | 3,5-Diiodosalicylaldehyde |
| Cas Number | 13329-85-6 |
| Molecular Formula | C7H4I2O2 |
| Molecular Weight | 389.92 g/mol |
| Appearance | Pale yellow to light brown solid |
| Melting Point | 181-184°C |
| Purity | Typically ≥98% |
| Solubility | Slightly soluble in water, soluble in organic solvents like ethanol and acetone |
| Density | 2.74 g/cm³ |
| Smiles | C1=C(C=C(C(=C1I)C=O)I)O |
| Ec Number | 236-508-9 |
As an accredited 3,5-Diiodosalicylaldehyde factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | A 25-gram amber glass bottle with a secure screw cap, labeled “3,5-Diiodosalicylaldehyde,” chemical formula, and hazard warnings. |
| Shipping | 3,5-Diiodosalicylaldehyde is shipped in tightly sealed containers compliant with chemical safety regulations. Packaging is designed to prevent leaks and exposure to air or light. The shipment is labeled as hazardous, requiring handling by trained personnel, and transported in accordance with international and local chemical transportation guidelines. Safety data is provided with each shipment. |
| Storage | 3,5-Diiodosalicylaldehyde should be stored in a tightly sealed container, protected from light and moisture, in a cool, dry, well-ventilated area. It should be kept away from incompatible substances such as strong oxidizing agents. Use secondary containment if possible to prevent spills, and ensure storage is in accordance with local regulations and safety protocols. |
Applications of 3,5-Diiodosalicylaldehyde in Industrial Manufacturing3,5-Diiodosalicylaldehyde is an essential halogenated aromatic intermediate with established track records in pharmaceutical synthesis, specialty chemical production, advanced material development, and life science R&D. As an original manufacturer, we support clients with scalable supply for regulated downstream production. Below, we provide a detailed mapping of its real-world industrial application scenarios, with focused insights on process integration, compliance, composition, and product output. 1. Synthesis of Iodinated X-ray Contrast Agent IntermediatesThis compound is a critical building block for forming advanced aromatic scaffolds during the multi-step synthesis of non-ionic and ionic contrast agents. Its iodo-functionalized structure enables downstream iodination and selective modifications, supporting the pharmaceutical industry's demand for high-purity precursor materials in injectable diagnostics. Industry compliance standards
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2. Pharmaceutical Intermediate for Antifungal Active CompoundsThe dialdehyde serves as a crucial precursor for integrating iodine atoms into phenolic drug scaffolds used in developing antifungal agents. It enables the introduction of halogen functionality to enhance bioactivity, providing a stable handle for further downstream transformation in medicinal chemistry pipelines. Industry compliance standards
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3. Ligand Synthesis for Metal Complex CatalystsIodinated salicylaldehyde derivatives play a unique role in the formulation of specialty ligands, which are further incorporated into transition metal complexes for catalysis. Its electron-withdrawing iodine groups facilitate specific coordination properties during ligand assembly used in homogeneous catalysis, particularly in organic synthesis and fine chemical manufacturing. Industry compliance standards
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4. Research Reagent for Biochemistry and Radiolabel DevelopmentIn analytical biochemistry, this compound is selectively used for synthesizing iodinated molecular probes and as a radiochemistry precursor for isotope labeling. Its dual iodine sites support the introduction of radioisotopes, aiding downstream developers in producing high-specific-activity labels for biochemical assays and diagnostic R&D. Industry compliance standards
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5. High-Performance Dye and Pigment Intermediate for Specialty InksThe molecule functions as a critical precursor in the manufacture of iodinated azo and anthraquinone dyes, primarily for specialty security or photoreactive inks. Its chemical structure imparts enhanced light absorption or color fastness to the final pigment-forming reactions, offering unique utility in anti-counterfeiting and technical printing applications. Industry compliance standards
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Every batch of 3,5-Diiodosalicylaldehyde that leaves our facility carries the mark of experienced hands and mindful attention to detail. Over decades, refining the synthesis of iodinated aromatic compounds has taught us where shortcuts fail and diligence prevails. Consistency does not emerge from rushed processes, nor from reliance on secondhand materials—it grows from chemists’ expertise and their insistence on purity at every stage.
In our labs, technicians measure out pure iodosalicylic acid and manage tightly controlled reaction conditions: temperature profiles step carefully through pre-set ramps, iodine sources meet purity standards we learned to double-check, and solvent quality never gets left to chance. We invest in rigorous post-reaction workups, using vacuum distillation and targeted crystallization, not because regulators watch, but because repeat customers depend on results that mirror the last successful batch. The aldehyde group in 3,5-Diiodosalicylaldehyde can invite side-reactions, but our trained eyes spot and address yellowing and contamination fast.
Our standard commercial grade meets the expectations of research institutions and advanced material companies alike. Each kilogram contains the molecule at typical assay levels of 98% or higher by HPLC, but we watch for trace metals and halogen contaminants as well—laboratory thresholds are one thing, but commercial use often demands even better. Granulation and crystal size can seem like unimportant details, yet experienced compounders spot instantly how these differences affect solubility or batching during further synthesis. We learned from hard-won experience that batch-to-batch reproducibility in aldehyde content is central for customers, who use our 3,5-Diiodosalicylaldehyde as a key starting material rather than just another reagent.
The main model we supply comes as an off-white or light yellow crystalline powder. Melting points typically fall above 120°C, though we monitor each lot directly since slight variations in raw input can shift results. Moisture content matters, especially for downstream organometallic chemistry; modern drying protocols keep water below 0.5%. Fine dust and irregular grains once cost our customers time in their own screening processes—today, we check particle size distribution on every batch before it ships. For research quantities, glass containers seal out atmospheric contaminants, but our bulk packaging uses inert liners and double-walled drums as a standard practice for safer long-distance transport.
Many buyers ask us how 3,5-Diiodosalicylaldehyde compares to classic alternatives—why put extra iodine on the ring, what justifies the extra step? We see the answers daily in customer feedback, collaboration with synthetic chemists, and decades of our own technical troubleshooting. The two iodine atoms bring new reactivity to the well-known salicylaldehyde scaffold. In palladium-catalyzed couplings, those positions open up routes to advanced biaryl derivatives, fine-tuned pharmaceuticals, or non-linear optical crystals. For the flavor and fragrance industry, high selectivity means fewer waste products and a cleaner conversion path from our intermediate to specialty aldehydes. We have watched our iodinated derivative cut hours from multi-step syntheses, avoiding complex protection-deprotection processes elsewhere required.
Unlike the more basic salicylaldehyde, whose market supply often fluctuates, our 3,5-Diiodosalicylaldehyde draws from a carefully managed supply chain where starting material purity receives just as much oversight as the final product. Having managed supply risk during regulatory upheavals (such as tightened controls on iodine use in many jurisdictions), we learned long ago to maintain redundant sourcing and keep extra purification steps ready. The lessons: never underestimate how a minor impurity upstream transforms into a major headache downstream, nor trust to luck what can be checked by GC-MS before the customer ever opens the drum.
Some market players offer commodity iodinated aromatics with lower price tags. Having tested such materials in our own pilot projects, we see the costs show up later: variable batch quality, inconsistent melting points, aldehyde content drifting with each delivery. Residual solvents or unaccounted for byproducts, invisible to eye but clear under sensitive analytical instruments, can degrade shelf-life or derail scale-up. Our facility architecture dedicates isolated suites just for iodinated compounds, so neither stray halides nor cross-contamination threaten outcomes. This investment made sense only after seeing, again and again, how shortcuts in handling or environment pay back in lost time, lost materials, or even lost trust.
A frequent question from procurement teams—what evidence supports claims of higher purity or more consistent batches? We welcome it. Every outgoing shipment includes analytical certificates, and technical staff provide NMR or mass-spectra on request. Our customers, often scientists with their own labs, regularly request retain samples from prior shipments, so we keep robust inventory tracking. Over the years, a simple truth repeats: purity, batch reproducibility, and responsive technical support turn a novel compound from a lab curiosity to a reliable tool for discovery or production.
The world of organic intermediates teems with lookalike names and overlapping CAS numbers—but differences turn up fast on the bench and in the plant. Among iodinated salicylaldehydes, the 3,5-diiodo derivative stands out for more than structure alone. Its halogenation pattern invites harsher reaction partners, enabling Suzuki or Sonogashira couplings where simple monochloro or brominated compounds struggle or leave behind hard-to-remove byproducts. Advanced dye companies ask for our grade because its chemical footprint predictably matches their high-purity dyes, without surprise sidebands or color shifts that signal trace polychlorinated contamination.
We witness our 3,5-Diiodosalicylaldehyde enabling routes in high-value targets: new ligands, innovative pharmaceuticals, or specialty polymers where too much unpredictability undermines intellectual property or regulatory filings. The cost per kilogram needs to be weighed against fewer labor hours, higher product yield, and fewer discarded batches—not only in measuring basic specification numbers at point of shipment.
As manufacturers, we keep watch on downstream innovations. Where academic research advances quickly, we see their results validated at scale in industry. Research groups synthesizing carbon-carbon bond-forming enzymes, or substituting toxic precursors with greener alternatives, often turn to our iodinated building block. Their reports inform our own optimization—such as refining bleach workups to minimize waste or adjusting temperature step-downs to curb unwanted side-reaction rates.
Some customers process our aldehyde using direct aromatic substitutions, targeting pharmaceutical cores that leverage the ring’s hydrophilicity and halogen reactivity. Others, aiming at electron-rich polymers or OLED materials, want that extra iodine to act as a site for crosslinking or nanostructure integration. The most demanding industrial users request custom grades, sometimes with even tighter controls on trace metal profiles, and we adapt equipment and checks to match changing needs.
Downstream, reaction failures often trace back to small lapses upstream—overlooked water, slightly off stoichiometry, micro-batch contamination that slipped past first-round QC checks. By continuously sampling and refining purification, those hiccups turn rare for our operation, because finding a solution is cheaper than losing a longtime partner over a ruined campaign. Our field team often swaps tips with customers, ensuring our product matches their equipment—be it small rotary evaporators or multi-ton reactors.
The chemical sector has endured its share of regulatory tightening and public scrutiny, and for good reason. Iodine and its derivatives carry risks if handled without care. Over the years, we have upgraded extraction units to capture fugitive emissions, installed secondary containment everywhere, and shifted to greener oxidants where performance matches classic reagents. Each improvement stems from watching the impact on both production reliability and team safety.
Waste minimization now shapes our purchasing as much as our disposal. Early on, we paid for outdated drum and solvent disposal, seeing too much avoidable cost head out the door. Today, solvent reclamation onsite means fewer shipments leave our gates, and spent iodine gets reprocessed where possible. Learning by seeing costs accumulate, retraining staff, investing in better PPE—these form the backbone of a stable operation, not just talking points for annual reports.
Our plant insurance premiums reward actual improvements rather than claims on paper; accident rates drop as team experience rises. We partner with local authorities, share best practices industrywide, and happily show inspectors our data sheets (rather than hide questionable practices out of view). All improvements feed back into product quality, staff retention, and customer confidence—a closed loop that sustains itself the longer it runs.
Traceability sets apart a professional operation. Forgotten origin documents or uncertain provenance—once industry norms—now pose unacceptable risks in any regulated application. For every lot number, our digital logs tie sample points, operator identity, and source container to the final vessel filled. Returned samples and customer feedback link back into the same tracking system, closing the loop and permitting continuous process improvement.
If a customer ever questions an observed impurity or melting point aberration, we follow the chain upstream. Sometimes the issue comes down to a small drift in input purity, sometimes to minor temperature variation. We record both—not because it’s required, but because the next improvement depends on honest data, not an idealized version of events. In an era where audit trails matter for pharma, electronics, and specialty material customers, transparent tracking builds trust fastest.
Longstanding client relationships evolve over many cycles of performance and support. We have seen customers outgrow basic research needs and scale up to commercial synthesis, each time returning for custom solutions. Sometimes that means tweaking drying profiles or batch sizes, sometimes working together on a new application. The shared aim: make sure our 3,5-Diiodosalicylaldehyde performs exactly as promised, through year-end inventory shocks or regulatory changes alike.
By maintaining a dedicated support team—trained in both customer process insight and chemical manufacturing—we listen actively and respond decisively. Experienced users do not need generic answers or postponements, but details, context, and a shared commitment when unexpected results show up. Learning from their feedback, we cycle back technical improvements directly into process, not just into marketing copy.
Markets shift, suppliers drop out, regulations evolve. For 3,5-Diiodosalicylaldehyde, this means monitoring not just cost and purity, but innovations in route design, process safety, and green chemistry benchmarks. We have trialed and discarded new synthetic routes that could not deliver on cost or purity; sometimes the longer, trusted route proves more reliable despite higher upfront energy or labor costs. Lessons from failed scale-ups—leaching of trace metals from wrong reactor alloys, bottlenecks in drying, or contamination in warehousing—built today’s operation layer by layer.
Staff development keeps pace with product improvement. New team members learn by shadowing supervisors who earned their stripes troubleshooting the very reactions customers now depend upon. Technical staff swap notes with customers and academic partners, injecting field insights back into process tweaks and prioritizing real-world results over speculative change. It’s a culture forged in chemical reality, not in product datasheets.
Our 3,5-Diiodosalicylaldehyde does not stand alone as a specialty product; it lives inside a web of relationships—customers, regulators, logistics partners, and the community. Instead of chasing after volume for its own sake, we focus on stability, transparency, and the practical gains each improvement brings to our partners’ research and manufacturing endeavors.
Day in and day out, synthesizing 3,5-Diiodosalicylaldehyde provides not just a product, but a foundation for innovative chemistry across industries. There are easier compounds to make, but our customers rely on the reactivity and selectivity that only a high-quality iodinated aldehyde can offer. Every inquiry, every technical request, every repeated order tells us the effort pays off not as a claim in glossy brochures, but as a tangible boost to those advancing pharmaceuticals, next-generation electronics, new flavors, or green alternatives in material science.
This chemical does more than fill a line in a catalog. Feedback from synthetic chemists, R&D teams, and scale-up engineers continues to shape our ongoing development. Proud of our product, we stay open to new challenges, ready to fine-tune processes, answer technical questions, and keep every drum meeting the standards we have set since our earliest days at the bench.