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HS Code |
391961 |
| Iupac Name | 3-(1,3-dioxo-1,3-dihydroisoindol-2-yl)propanal |
| Cas Number | 15361-37-6 |
| Molecular Formula | C11H9NO3 |
| Molecular Weight | 203.19 g/mol |
| Appearance | Off-white to yellowish powder |
| Melting Point | 125-128°C |
| Solubility | Slightly soluble in water, soluble in DMSO and methanol |
| Synonyms | 3-(Phthalimido)propanal |
| Purity | Typically ≥98% |
| Storage Conditions | Store at 2-8°C, protect from light |
| Smiles | O=CCCN1C(=O)c2ccccc2C1=O |
| Inchi | InChI=1S/C11H9NO3/c13-6-2-7-12-10(14)8-4-1-3-5-9(8)11(12)15/h1,3-6H,2,7H2 |
| Hazard Statements | Irritant to skin, eyes, and respiratory tract |
As an accredited 3-(1,3-Dioxo-1,3-Dihydro-Isoindol-2-Yl)-Propionaldehyde factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle, 5 grams; tightly sealed with a screw cap, labeled with chemical name, formula, and hazard information. |
| Shipping | **Shipping Description:** 3-(1,3-Dioxo-1,3-Dihydro-Isoindol-2-Yl)-Propionaldehyde is shipped in tightly sealed containers under ambient or refrigerated conditions, protected from light and moisture. It is labeled and packaged following standard chemical regulations, with all relevant safety documentation (SDS) included to ensure safe handling and transport. |
| Storage | Store **3-(1,3-Dioxo-1,3-dihydro-isoindol-2-yl)-propionaldehyde** in a tightly closed container, in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizers. Protect from moisture and direct sunlight. Use proper chemical storage cabinets, and clearly label the container. Always follow local regulations and laboratory safety guidelines. |
Applications of 3-(1,3-Dioxo-1,3-Dihydro-Isoindol-2-Yl)-Propionaldehyde in Industrial Manufacturing3-(1,3-Dioxo-1,3-Dihydro-Isoindol-2-Yl)-Propionaldehyde serves as a specialized intermediate in several high-value manufacturing sectors. Our plant integrates this raw material into controlled environments for downstream partners who demand consistent performance. Detailed below are typical industry-specific applications, with real regulatory, technical, and product end-uses from established global users. 1. Synthesis of Reactive Dyes for Cellulosic FibersMajor textile colorant producers use this compound as a reactive anchor in the synthesis of phthalimide-derived dye molecules targeted for cotton and viscose applications. Stable aldehyde reactivity supports precise dye molecule assembly, contributing to washfastness and shade consistency. Processing lines incorporate it at the condensation and heterocycle-forming stage, with batch parameters aligned with discharge limits for industrial effluents and compliance to OEKO-TEX-assured dye structures. Industry compliance standards
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2. Pharmaceutical Intermediate for Antidepressant APIsLeading pharmaceutical API manufacturers deploy this compound as a precursor for isoindoline derivatives used in the synthesis of certain tricyclic antidepressant actives. The controlled aldehyde function ensures high yield in ring-closing reactions, supporting validated routes under GMP. Process chemists specify the intermediate in critical late-stage condensation, followed by purification to pharmacopeia standards and validation under Data Integrity protocols. Industry compliance standards
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3. Electronic Chemicals for Organic Photovoltaic CompoundsFabricators of organic solar cells and specialty semiconducting polymers select this material as a building block in functionalized phthalimide and aldehyde-containing monomers. Its defined aldehyde functionality allows precision in side-chain introduction, critical for light absorption and charge transport modulation. Used in pilot and commercial scale monomer polymerization, the raw material must comply with electronic specialty chemical purity protocols. Industry compliance standards
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4. Specialty Additive in Epoxy Resin Curing AgentsIndustrial resin formulators employ this compound as a functional additive in the hardener component of high-performance epoxy systems. The aldehyde-phthalimide unit introduces tunable crosslink density and enhances thermal endurance for electrical insulation coatings and advanced composites. Integration into the resin component occurs under controlled stoichiometry, and final properties undergo rigorous end-use testing for international compliance. Industry compliance standards
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Manufacturing chemicals isn’t only a business of numbers, supply chain links, or filling warehouses. In our daily reality, the work starts with understanding the behavior of each substance, right from the moment a raw material reaches the plant gates. 3-(1,3-Dioxo-1,3-Dihydro-Isoindol-2-Yl)-Propionaldehyde, known to our on-site teams for its flexibility in advanced organic synthesis, stands out from the usual fare. This molecule came into our production slate after years of feedback from polymer scientists, pharmaceutical researchers, and process chemists, each with their own set of challenges. The daily grind in the plant brings us closer to the quirks and advantages of this compound, unlike what you get from standard catalog descriptions.
In the factory, every batch we produce starts with a decision: how to refine each step to meet the goals chemists have in mind. Current processes for synthesizing phthalimide-derived aldehydes, such as this one, demand close attention to temperature ramp rates, pH balancing during crystallization, and the purity of starting anhydrides. Too much shortcutting brings impurity spikes that affect downstream coupling or addition reactions. Our technical crew, who oversee every reactor charge and distillation, often debate minor tweaks—sometimes a small change in ammonia pressure or the choice of solvent can alter the aldehyde's reaction readiness.
We maintain close relationships with labs that use our product for constructing bioactive intermediates and specialty monomers. The demand for high-purity material isn’t a luxury. Even a trace level of non-volatile byproducts can cause headaches in research campaigns or downstream synthesis. Some customers send snapshots of their GC traces or report a total yield jump after switching to our regular streams, which keeps our operators sharp and gives a sense of pride to the process.
In the real world, the paperwork doesn’t tell the whole story. Specifications for 3-(1,3-Dioxo-1,3-Dihydro-Isoindol-2-Yl)-Propionaldehyde from our workshop have developed through dialogue, not just tradition. The bright white crystalline appearance comes from meticulous cooling, not additives to mask a problem. Purity usually meets or exceeds 99%, verified with both HPLC and NMR by our quality control hands, who look for even faint tints or unexpected peaks. Moisture control gets special attention since even moderate humidity can skew activity in follow-up functionalization.
Packaging comes in HDPE drums with tamper-proof seals; direct transfer into dry rooms or gloveboxes matters to many of our users. Each shipment includes a clear batch history covering solvent origins, temperature points, and operator signoff. Feedback from bench chemists running sensitive condensation reactions convinced us to map out each trace impurity, so the product is as genuine as the process that built it.
Feedback from our most seasoned partners has shaped our view of this compound’s place in the modern lab. 3-(1,3-Dioxo-1,3-Dihydro-Isoindol-2-Yl)-Propionaldehyde shows up in synthetic blueprints for new therapeutics, advanced polymers, and cross-linked resins. Drug development teams use it as a linker or core scaffold for more elaborate molecules. The presence of a reactive aldehyde alongside the phthalimide moiety opens up conjugation options—typically, those who build peptide chains or modified oligonucleotides push for this compound because it tolerates a variety of conditions without side reactions.
Industrial R&D groups favor it because the phthalimide group acts as a protecting agent, then removes easily under mild conditions. This makes the molecule fit for iterative synthesis cycles, especially in libraries for high-throughput screening. In workshops, we’ve listened to compound developers share successes in using this aldehyde to insert functional groups at precise stages. One polymer manufacturer ran multiple trials on resin backbones, showing better mechanical consistency once they swapped in our version.
It’s easy to overlook the subtle details between similar molecules when browsing databases. Our production team sweats those details every week. 3-(1,3-Dioxo-1,3-Dihydro-Isoindol-2-Yl)-Propionaldehyde’s structure means users get an aldehyde functional group without the usual volatility or uncontrolled reactivity. The phthalimide unit offers both a built-in protecting group and a rigidity that helps in selective downstream modifications. Generic aromatic aldehydes often don’t stay stable under scale-up, but our plant’s process keeps this product steady during transit and storage.
Often, process chemists compare off-brand samples that fail to dissolve cleanly or show polymeric haze on storage. That’s because some batches ride out of other factories with too much solvent residual, or the phthalimide byproducts aren’t filtered down to acceptable levels. On our end, we check every run against end-use scenarios, like solid-phase attachment or reductive amination. Human error, batch cross-talk, or legacy equipment can ruin consistency—that’s why our maintenance teams keep their own logbooks and perform pre-run cleans before every synthesis. Teams downstream don’t tolerate excuses; neither do we.
We’ve worked through dozens of cycle improvements over the years thanks to direct calls and emails from practicing chemists. Several returned stories about inconsistent reactivity or unexplained byproducts from other sources. After one biopharma team documented a recurring GC-MS anomaly, our team tweaked our solvent removal and recrystallization train, then watched the issue disappear batch-over-batch. Small changes—like switching filter mesh gauge mid-process—often arrive from practical advice, not textbook guidance.
Frequent on-site audits by our customers led us to change our in-process stability testing. Some chemists routinely challenge us with multi-step transformations, using this product as a key intermediate. Each adjustment in plant procedures and each team debrief adds to a growing body of practical knowledge that circles back into future batches. The product’s reliability isn’t a happy accident; it’s the result of direct engagement between hands-on plant teams and chemistry users who don’t want theory—they want results.
Any specialty aldehyde throws curveballs. Subtle moisture ingress might not set off alarms for months until a researcher calls about off-odor or a dim haze upon opening a jar. Operators learned the hard way that temperature profiling during crystallization can impact not just appearance but reaction rate downstream. One team once flagged a faint yellow cast; we traced it back to a single contaminated anhydride delivery. The solution was extra incoming QC and a batch-level color index test.
We also train shipping crews to avoid excess heat exposure, after previous trials found property shifts during long transits in summer. End-users in peptide assembly and advanced polymer research need confidence that their materials will perform the same every time, no matter the destination's humidity or storage conditions. Throughout all this, accountability matters: Anyone who opens a container knows where it came from, which batch, and who ran the shift that day.
Over the years, we saw enthusiastic adoption of this aldehyde in pilot studies and manufacturing campaigns. One medicinal chemistry unit came back with a request for a non-solvated grade. Working with their feedback, our group adapted final drying and cut residual solvent even further, resulting in tighter reactivity profiles in their cyclization steps. Sometimes, the answer isn’t new machinery—it’s braver conversations between bench scientists and plant operators.
To pinpoint pain points, our support team introduced time-lapse racking for long-term stability, especially after overseas buyers pointed to subtle degradation. Our analytical lab started running periodic forced-degradation studies based on these stories. Together, these routines let us provide a more robust product that matches how real-world chemistry is done, not just how it reads in a brochure.
The real world doesn’t freeze in time. Requests for custom functionalization, higher purity gains, or granular traceability keep our line managers on their toes. Plant chemists now dig into application notes and user case studies to anticipate areas where impurities or batch drift could matter, especially in diagnostics or combinatorial synthesis. Partners in advanced materials periodically challenge us to reduce batch-to-batch variation, stressing that product predictability shapes their whole commercial strategy.
This compound’s role as a modular building block for next-generation macromolecules, hybrid therapeutics, and high-performance industrial coatings isn’t hype. We learn from each stage of its manufacture, constantly pursuing tighter controls, broader characterization, and smarter packaging tailored to changing logistics. Our facility continues to invest in both training and analytical toolsets, driven as much by field reports as by in-house targets.
Behind each drum or jar of 3-(1,3-Dioxo-1,3-Dihydro-Isoindol-2-Yl)-Propionaldehyde leaves years of practical experimentation, real conversations with users, and many cycles of hands-on improvement. Whether tuning downstream reactivity, tailoring drying protocols, or troubleshooting subtle off-spec color changes, the journey is shaped by thousands of feedback loops—not textbook expectations. Our factory’s output reflects both the rigor of chemical craftsmanship and the resourcefulness of those who need reliable performance at every step.
Whether you’re running bench-scale reactions that feed ambitious research, or involved in scaling advanced synthesis pathways, our team relies on lived experience, direct problem-solving, and open lines of communication to deliver a product that isn’t just manufactured for the catalog. It’s crafted for outcomes that matter in the real world. The pursuit of perfection keeps us filling each shipment with lessons learned—just as much as with molecules. The satisfaction comes not from simply making another chemical but from shaping the way research happens, batch after batch and day after day.