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HS Code |
245602 |
| Cas Number | 93-02-7 |
| Molecular Formula | C9H8O2 |
| Molecular Weight | 148.16 g/mol |
| Iupac Name | 1-Phenylpropane-1,2-dione |
| Synonyms | Benzoylacetaldehyde, α-Oxo-β-phenylacetaldehyde |
| Appearance | Yellow to brown liquid |
| Boiling Point | 255-257 °C |
| Melting Point | -6 °C |
| Density | 1.112 g/cm³ at 25 °C |
| Solubility In Water | Slightly soluble |
| Flash Point | 126 °C |
| Smiles | CC(=O)C(=O)c1ccccc1 |
As an accredited 1-Phenyl-1,2-Propanedione factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 1-Phenyl-1,2-Propanedione is supplied in a sealed amber glass bottle, 100 grams, with tamper-evident cap and hazard labels. |
| Shipping | 1-Phenyl-1,2-propanedione should be shipped in tightly sealed containers, protected from light, moisture, and ignition sources. It must comply with relevant hazardous materials regulations, including appropriate labeling and documentation. Store and transport at ambient temperature, away from incompatible substances. Personnel handling shipping should wear suitable protective equipment to ensure safe transport. |
| Storage | 1-Phenyl-1,2-propanedione should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizers. Protect from direct sunlight, moisture, and sources of ignition. Store at room temperature, avoiding extreme temperatures. Clearly label the container and keep it away from food and drink. Follow all relevant safety regulations. |
Applications of 1-Phenyl-1,2-Propanedione in Industrial ManufacturingAs a direct manufacturer of 1-Phenyl-1,2-Propanedione, we deliver consistent, traceable quality for demanding industrial customers. Below, we present secured, downstream application scenarios backed by regulatory standards, technical usage data, and integration points within manufacturing lines. Each use case is drawn from real, validated end-sector adoption, and content details the product’s function from formulation stage through to final commercial goods. 1. Pharmaceutical Intermediate for α-Aryl Ketone SynthesisPharmaceutical manufacturers use this diketone as a precursor for producing active pharmaceutical ingredient (API) scaffolds in synthetic routes, especially for the introduction of phenyl and ketone functionalities in antihypertensive and antipsychotic drug classes. Its controlled reactivity supports regioselective reactions vital during advanced API manufacture under GMP protocols, where trace impurities from raw materials may impact bioactivity or safety profiles. Detailed batch traceability and impurity controls ensure suitability for pharma process demands. Industry compliance standards
Typical usage ratio
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2. Aroma and Fragrance Intermediate for Fine ChemicalsThis diketone supports fine chemicals and flavor & fragrance ingredient suppliers as a critical building block for synthesis of musky and woody aromatic compounds. It reacts in aldol or Michael addition routes to assemble complex aroma molecules for regulated scent bases in cosmetics, personal care, and household products. Certifying conformance in food-contact and cosmetic formulations requires validated impurity control and origin documentation. Industry compliance standards
Typical usage ratio
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3. Chemical Intermediate for Agrochemical SynthesisProducers of crop protection agents and specialty agrochemicals leverage this diketone as a controlled intermediate for selective fungicide actives. The diketone motif provides molecular handles for introducing halogenated, nitro, or heterocyclic groups during multi-step synthesis. Tight quality control is vital to avoid cross-contamination and meet regulatory pesticide database audit requirements, particularly on trace-level residuals and synthesis by-products. Industry compliance standards
Typical usage ratio
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4. Specialty Polymer Modifier for Functional Material ProductionMaterials scientists use the diketone as a crosslinking or chain-modifying agent in specialty polymer synthesis, especially where increased rigidity or tailored optical properties are required. Its reactive groups allow selective insertion into aromatic polyester or polyurethane backbones, contributing to custom properties for advanced coatings, films, or sensor substrates. Rigorous control of additive feed and documentation supports downstream manufacturers in regulated electronics and high-performance materials sectors. Industry compliance standards
Typical usage ratio
Downstream process integration
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Working in chemical manufacturing, you come to appreciate the subtle shifts a well-made compound can bring to a customer’s process. 1-Phenyl-1,2-Propanedione isn’t a chemical just handed down a chain; it’s made with care at our plant, refined batch by batch, under the watchful eyes of technicians who’ve put in decades in this industry. Each production run responds to real-time controls on temperature, pressure, and reaction purity. There’s nothing theoretical about this workflow — we see and smell each step: sharp ketone top notes, clarity of the yellowish hue, viscosity that lines the glass with just the right weight. Outside observers will see a CAS number and gloss over it. Those on our side of the glass recognize the effort behind every kilogram.
Unlike many acyloin products, 1-Phenyl-1,2-Propanedione carries both an aromatic ring and two carbonyl groups, one after another. You don’t get this precise structure with analogous compounds, which tend to be either too simple, too reactive, or locked up in crystalline forms. Our repeated distillation under controlled vacuum draws off impurities common with cheap bulk material, turning out a liquid with consistently tight specs and minimal trace residuals. If you’ve worked with harsher alternatives — especially those whose melting points don’t lend themselves to continuous flow setups — you know what a difference a clear, mobile liquid can make. Less scraping, less downtime, fewer fouling clogs down the line.
Here, every consignment of 1-Phenyl-1,2-Propanedione gets cataloged with a traceable batch record. We don’t have ten subtypes and trade-names to skim from; what you receive matches the structure you expect: phenyl ring, propanedione backbone, specific gravity around 1.09–1.12 at room temperature, and a boiling point high enough (well above 130°C at reduced pressure) to tolerate extended processing. Small residual water and organic solvent traces are continually chased out through forced airflow and segmented tower operation. It’s not just about a number on a certificate — real-time NMR and refractive index checks screen for isomeric drifts, so the diketone character speaks for itself, every time.
Those who spend hours on the shift floor already know the golden rules. Fume extraction always plays a part, especially when moving drums or blending off-spec cutbacks for rework. Workers have asked about the subtle almond-like scent that comes with an open beaker — there’s a chemical story behind every whiff, reminding us to suit up, run the scrubbers, and double-check our lines and seals. No one who’s ever had to scrub ketone residues off floor resin misses a chance to reinforce this with new staff: treat it with care, keep workspaces ventilated, deal with any splash or spill promptly, without shortcuts or half-measures. Even experienced chemists favor nitrile over latex gloves for this one.
Over years of direct supply, the uses most teams bring up fall into three buckets. The compound bridges essential pathways in pharmaceutical intermediate synthesis. Due to the adjacent carbonyls, it’s been a go-to for manipulations — think nucleophilic additions, alpha substitution or reduction for chiral building blocks. Medicinal chemists like that its structure offers both flexibility and targeted reactivity, with fewer byproducts in reductive amination routes. Fragrance and flavor houses seek the unique backbone for scent creation, particularly where a woody or nutty note needs to be built from scratch. Some agrochemical researchers come back for the diketone itself or as a precursor, finding success in streamlined routes where less robust di-carbonyls tend to fail.
There’s little use in comparing it to plain acetophenone or benzoin if you haven’t used them side-by-side. Acetophenone lacks the second carbonyl, making it less versatile in multi-step syntheses. Benzoin, as an alpha-hydroxy ketone, behaves differently under most base or acid conditions; it can’t step smoothly into the next stage without more protecting groups or hydrogenation. The subtle edge of 1-Phenyl-1,2-Propanedione lies in reliable, clean reactions — a detail you learn not from datasheets but after months at the bench, watching yields climb above the break-even line.
Batch failures have real stakes. Few things drain a chemist’s motivation faster than a stalled column or a persistent ghost peak on the HPLC. We learned years ago that small molecule impurities, especially those with close retention times, push the whole process into headaches — misidentified peaks, extra purification stages, lost time, and elevated costs. Regular customers ask for GC-MS traces alongside standard COA paperwork; they expect no odd halogen spots or sulfur traces that could wreck a catalyst. The column packing, tested quarterly, consistently separates natural tautomers from potential contamination. Each kilogram runs through a closed, inert pipeline into drums that barely see oxygen until capped. As operators, we answer for every step — from cleanroom setup to the moment a shipment leaves the dock.
Being both on the plant floor and talking to end-users, we see questions shift from basic “Is it available?” to “How does this impact my process yield?” or “Does it work better than similar diketones?” Years ago, one of our regulars called about a failed oxidation step with a generic supplier’s batch. They’d seen side products spike above five percent — enough to derail the whole campaign. We ran comparative trials: ours met the cutoff for both color and assay, with little to clean up after reduction, while the bulk market competitor left sticky off-notes that required extra labor and solvent disposal. Ever since, we’ve shared those test protocols and pulled samples in situ, not just in controlled test-tube settings.
End-users want more than a generic certificate — they want to know that processing quirks, from heat-up to blend-down, have accounted for worst-case scenarios. Production planners who’ve been stranded by late or “off spec” product know what it means for a project milestone. As direct manufacturers, we act fast, swap lines for priority batches if needed, and understand that for some teams, a delayed shipment equates to dozens of wasted reactor hours. Stakeholders want insights, not empty reassurances, and transparency trumps glossy brochures every time.
Markets rise and fall. There are quarters when raw benzene costs spike or international carriers hit a bottleneck. Traders step in, pushing old or byproduct streams through as substitutes. Some labs try to bridge the gap with on-the-fly in-house syntheses, often pushing less experienced hands to work up crude diketones or attempt last-minute distillation. The end results typically lag; color, odor, and reactivity drift outside spec, making quality assurance a nightmare.
By running an integrated production cycle, our teams bypass the risk of mismatched imports and inconsistent intermediates. Downstream QA labs don’t waste days hunting for new peaks, because they already know the signature that comes from our plant: clean, sharp, repeatable. Our own teams monitor the supply chain, making early-buy planning around volatile feedstock pricing, and host regular review sessions to go through customer feedback. On the off chance a batch misses the mark, all hands troubleshoot, trace it to its root, and cut it from the pipeline. Shortcuts don’t make it out the door — not with our teams signing off at every step.
The discussion on environmental impact isn’t theoretical. Disposal practices, fugitive emissions, and material compatibility keep showing up in plant meetings and compliance audits. Teams handling 1-Phenyl-1,2-Propanedione routinely check that all waste runs through closed-loop systems, with real-time VOC sensors monitoring ambient air. Regular water testing ensures the diketone doesn’t migrate out of spent cartridges or slop drums. It’s not just about keeping inside the lines of the law; long-term reliability depends on responsible practice. Regulators have ramped up scrutiny, and downstream users increasingly ask for lifecycle and carbon footprint figures as part of procurement.
Assessments go beyond paperwork: fire drills cover real-world spill scenarios, and everyone keeps records on solvent use and recycling. Building in risk mitigation from the ground up reduces both environmental liabilities and workplace hazards. Our investment in closed-system handling and thermal oxidizer tie-ins grew out of early-stage incidents — before a regulatory audit ever came up, our safety reps had already enforced a zero-tolerance policy on open transfers. People remember little lapses years down the line; a cleaned-up incident still takes its toll in trust and morale.
No two customers run their plants or labs the same way. Some want nothing but a bulk tote, others want smaller drums and more frequent testing. As the direct manufacturer, each shipment gets a unique fingerprint, traceable back to raw starting materials, not a warehouse three states away. Customer feedback — both formal and informal — is tracked, discussed, and often leads to practical tweaks: tweaking condenser temperatures, adjusting batch cooldown schedules, or shifting the raw solvent supplier when trace analysis hints at cross-contamination. Several of our improvements over the last year came from those who called in, not from HQ meetings.
One partner flagged a pattern with microcrystal formation in storage — something we’d never seen internally since our tank farms draw from heated lines. Reaching out to their plant, sharing sample jars and time-lapse videos, we traced it to low ambient winter temperatures and worked together to solve it with jacketed drums. These are the kind of practical solutions that come only through open lines, not transaction-driven interactions. We view our customers as teammates; a bottleneck for one is a problem for all.
Chemical manufacturing rewards those able to see past surface difference. Our experience has shown that the right material — well-made, handled responsibly, and supplied without unnecessary delay — has ripple effects throughout an operation. 1-Phenyl-1,2-Propanedione has outperformed lighter, cheaper analogues in several key routes, delivering better reaction fidelity and physical properties that adapt to modern continuous setups. New entrants sometimes forget the tradeoffs in batch-to-batch variability, especially as process intensification and automation become standard. Subtle details like color development, trace isomer formation, or storage-related hydrolysis have brought pain to those who gamble with resellers offering the lowest spot pricing. The difference lies in direct accountability — when you know the entire story of what reaches your line, surprises and setbacks drop dramatically.
Demand cycles for chemicals ebb and flow, but the need for reliable intermediates doesn’t disappear. Pharmaceutical groups running time-critical syntheses, R&D innovators testing new catalysts, and flavor researchers all count on the characteristics that make 1-Phenyl-1,2-Propanedione unique: a workable boiling range, dual carbonyl reactivity, and physical stability across temperature swings. Packing lines run faster, purification crews hit their quotas, and research teams publish with confidence. We keep investing in the basics: production process updates, supply chain resilience, regular conversations with the teams who rely on our product, and strict environmental controls. Meeting these standards doesn’t make for flashy marketing copy — but it builds trust, one order at a time.
What we offer isn’t a commodity. 1-Phenyl-1,2-Propanedione leaves the plant in reliable, repeatable form because the people making it sweat the details: from hands-on operators to technical support and quality assurance. Years of working with this compound — from drum filling to batch records to troubleshooting on customer lines — has shaped every aspect of what reaches our partners. That experience has become the best guarantee of consistency, purity, and performance. We don’t just ship a molecule; we back it with knowledge and accountability at every stage.