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HS Code |
855733 |
| Iupac Name | 1-(3-methylphenyl)ethan-1-one |
| Molecular Formula | C9H10O |
| Molecular Weight | 134.18 g/mol |
| Cas Number | 536-90-3 |
| Appearance | Colorless to pale yellow liquid |
| Boiling Point | 226-228 °C |
| Melting Point | 12-14 °C |
| Density | 1.009 g/cm3 at 25°C |
| Flash Point | 96 °C |
| Refractive Index | 1.5330 at 20°C |
| Solubility In Water | Slightly soluble |
| Smiles | CC1=CC(=CC=C1)C(=O)C |
| Inchi | InChI=1S/C9H10O/c1-7-4-3-5-9(6-7)8(2)10/h3-6H,1-2H3 |
| Pubchem Cid | 10810 |
| Odor | Aromatic, sweet |
As an accredited 3'-Methylacetophenone factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 3'-Methylacetophenone is supplied in a 100 g amber glass bottle, tightly sealed, with a printed chemical label and hazard warnings. |
| Shipping | 3'-Methylacetophenone is shipped in tightly sealed containers, protected from light, heat, and moisture. It is transported according to regulations for flammable liquids, with clear labeling and documentation. Packaging materials are compatible with aromatic ketones to prevent leaks or contamination. Handle with appropriate safety precautions during transit and storage. |
| Storage | **3'-Methylacetophenone** should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances such as strong oxidizing agents. The storage area should be clearly labeled and have proper spill containment measures in place. Avoid exposure to heat and sources of ignition, and follow all relevant safety regulations and guidelines. |
Applications of 3'-Methylacetophenone in Industrial ManufacturingAs a dedicated producer of high-purity 3'-Methylacetophenone, we deliver material that integrates into advanced industrial workflows. This intermediate supports controlled reaction processes and finished product excellence in several specialty downstream sectors. The following scenarios represent authentic, real-world applications based on current industrial formulation standards and manufacturing protocols. 1. Fragrance Intermediate for Fine PerfumesPerfume compounders utilize 3'-Methylacetophenone as an aromatic ketone intermediate to develop refined notes with delicate floral and subtle honey undertones. Its controlled reactivity supports esterification or acetalization in fine fragrance bases, fitting seamlessly into established aroma construction frameworks. The ketone’s stability under normal blending temperatures and compatibility with macrocyclic musks or aldehyde components underpin targeted formula authenticity and sensory performance. Industry compliance standards
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2. Pharmaceutical Intermediate for Active Ingredient SynthesisIn the pharmaceutical industry, chemical engineers employ 3'-Methylacetophenone as a controlled building block for synthesizing antipyretic, analgesic, or antibacterial actives. The substitution pattern allows selective condensation—such as Claisen or Friedel–Crafts modifications—within cGMP-regulated synthesis lines where traceability and tight impurity limits drive every step of batch production. Its consistent assay and impurity profile facilitate reproducible reactivity with little batch-to-batch variation. Industry compliance standards
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3. Agrochemical Intermediate for Selective Herbicides and PesticidesFormulators in crop protection select 3'-Methylacetophenone as a crucial aromatic core for assembling active molecules such as substituted benzyl ketones or complex heterocycles used in selective herbicides and pesticide formulations. The compound’s methyl-substituted position enables regioselective synthesis, supporting the predictable construction of active moieties tailored for crop specificity and environmental stability, following exacting regulatory clearance protocols. Industry compliance standards
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4. Flavor and Fragrance Ingredient for Food Additive ManufacturingCertified food additive manufacturers rely on 3'-Methylacetophenone as a trace-level aroma component to construct natural-identical flavor formulations, particularly to replicate acacia honey, floral, or almond nuances in bakery and confectionery matrices. Thanks to food contact material compliance and well-documented metabolic pathways, QC teams can confidently integrate this material under rigorous trace residue monitoring and HACCP protocols. Industry compliance standards
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5. Building Block for Photoinitiator Synthesis in Specialty PolymersSpecialty polymer producers and UV-curable systems formulators use 3'-Methylacetophenone as a key aromatic ketone in the synthesis of custom photoinitiators. Its methyl-substituent supports the tuning of initiation wavelengths and reactivity profiles, directly impacting polymerization rates and cure uniformity for products such as high-clarity optical fibers, specialty adhesives, and advanced coatings. Process engineers incorporate the compound under strict residual monomer controls, ensuring critical end-use properties. Industry compliance standards
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Every batch of 3'-Methylacetophenone produced here reflects hands-on care and a strong understanding of what the chemical means for our partners. This compound, which belongs to the family of methyl-substituted acetophenones, stands out for its role as a building block across several industries. Factories seeking consistency in aromatic synthetic routes notice the difference between lab-grade and scale-ready material. For our team, developing this product means controlling not just purity, but also batch repeatability and trace impurity control. Our chemists rely on tightly managed reaction conditions, typically using Friedel–Crafts acylation, and rigorous downstream purification, ensuring a reliable colorless-to-pale yellow liquid that delivers specified performance in real-life applications.
Commercial users have strong opinions about specification sheets, but over the years, we have seen that performance in the field means more than just a purity number. The version supplied here offers GC-verified consistency at ≥98% purity, with residual solvents and water content matching the demanding standards of fine chemical synthesis, flavor, fragrance, and pharma intermediates. Viscosity, refractive index, and density all track closely to literature values, which matters for those calibrating their dosing and blending systems. Our process engineers measure every lot at several points, aiming to cut down on performance drift between batches old and new. Logistics teams appreciate the option for custom packaging that minimizes dead-space and reduces cross-contamination risk.
Our longstanding clients in perfumery, pharmaceuticals, and advanced polymer research look for reliability above all when sourcing intermediates like this. In flavor and fragrance labs, this methylacetophenone variant is a key component in reproducing certain woody and green aromatics, where subtle differences in substitution pattern completely change the scent profile. In pharmaceutical synthesis, the meta-methyl position supports select downstream substitutions for target scaffolds. Chemists seeking differentiated yield often go for this isomer, because it leads to cleaner reaction pathways compared to its ortho- or para- counterparts, minimizing side reactions and byproducts during acylation and alkylation.
From a plant operator’s perspective, not all acetophenones behave the same. The 3'-methyl substitution gives this molecule slightly altered reactivity and physical properties compared to 2'- or 4'-methylacetophenone. For instance, solubility in low-polarity solvents and the boiling point shift make a substantial difference during purification steps. During scale-up, teams see firsthand that the reduced tendency for resinous byproduct and more controllable crystallization behavior streamlines separation, boosting overall yields. Down the line, formulation chemists have confirmed this isomer introduces fewer trace amines and oxidized byproducts in storage and use, extending product shelf life.
On the manufacturing line, humidity and temperature swings test every step, making robust processes a daily priority. Since 3'-Methylacetophenone can demonstrate sensitivity to over-catalysis or carry over unwanted aromatic impurities, our batch reactors run closed-loop controls with on-site GC and FTIR tracking. Even minor deviation in feedstock grade shows up in the bulk product’s color and volatile profile. The team tackles these challenges directly, adapting to each new raw material lot with micro-adjustments to solvent washes and fractionation step times. This direct response minimizes downtime and product rejection, giving our partners extra confidence to specify our product for their most sensitive uses.
Once the barrels leave our site, support does not stop at shipping. Our technical team keeps in close contact with formulating chemists, sharing detailed batch analytics to help troubleshoot any downstream process hiccups. Sometimes, a formulation tweak or a process step modification solves a persistent impurity pickup. We have adjusted fractional distillation cut points after feedback about trace color issues in end-use concentrate. Field experience accumulates and guides every update to the production protocol. These improvements come from years of feedback, trial, and careful study in partnership with end users.
Working at scale, we take chemical safety and environmental risk management as seriously as product quality itself. Handling significant quantities of methylated aromatics requires well-drilled procedures and validated containment systems. We run routine emergency drills and keep air emissions from the acylation reactors within strict internal limits, using activated carbon and high-efficiency scrubbers. Wastewater receives dedicated separation, and plant routine tests catch trace aromatic bleed long before discharge. These daily operational realities shape how we plan expansions and select new technologies for solvent recovery and process intensification. Our approach comes from years of hard lessons and a commitment to protecting both our workers and the broader community.
Many users ask why choose 3'-Methylacetophenone rather than related acetophenone variants. It boils down to reactivity and downstream handling. This methyl position tends to show slower ring oxidation than the para- or ortho- forms, which can extend shelf life for flavors and fragrances. The odor note itself cannot be exactly replicated by blending para- and ortho-isomers. Synthetic chemists who have tried crude blends report more off-notes and variable reaction selectivity in fine chemicals. In our hands, the 3'-methyl isomer’s slightly higher boiling point can smooth out distillation runs and keeps vessels cleaner, a definite bonus when running continuous campaigns.
For pharma intermediates, selectivity often rules the decision. Downstream reaction partners discriminate isomers, so product consistency here is not just about analytical numbers, but about how each lot behaves under specific catalytic or condensation conditions. Having supplied both mixed and pure isomers, we see in long-term customer reports fewer in-process fouling issues and a higher final API yield from the meta variant. Feedback from both process techs and analytical chemists confirms the difference in outcomes between isomers in multi-step syntheses.
No plant run ever goes exactly according to the blackboard plan. Every scale-up introduces quirks—unexpected exotherms on charging acyl chloride, fouled filters from a slightly off solvent blend, a stray hint of color that needs additional treatment. Each run is monitored not just for purity, but for unplanned behavior in the condensation step. In response, our teams adapt: adjusting the rate of addition, switching fractionation sequences, even building scrubber modifications. Most of our best improvements came from talking directly with handling and filling crews, who flagged new issues in filtration or noted drum fouling trends.
The path from raw material to filled drum demands attention to detail beyond textbook chemistry. Reliable sourcing of upstream starting materials guarantees a consistent aromatic feed, and onsite QC labs measure headspace GC to catch any volatile carryover. In the field, we know customers often dilute or blend into larger matrices, where a slight shift in aromatic purity can produce knock-on effects in their own reactors. We test compatibility with several polymers, solvents, and extraction systems, collecting practical data beyond the minimum required, because that is where equipment downtime and end-user satisfaction really hinge.
Recent supply chain disruptions—by weather, transport bottlenecks, or regulatory changes—have hit anyone handling specialty organics. Customers who counted on just-in-time inventory strategy turn to our plant for shorter lead times and batch reservation, seeking assurance on both quality and delivery. We have kept buffer stock for contracted partners, even setting aside capacity for annual surge periods, based on seasonal demand swings from flavor and cosmetic manufacturers. Our workflow prioritizes core partners but also keeps an eye on emerging niche users working on pilot-scale pharma and innovative polymer synthesis, making flexibility part of daily planning.
Transparency keeps everything moving. We welcome customer questions about prior lots, typical process yields, and logistics lead times; the team answers with measured data and plain talk about what to expect. Open discussions on transport and delayed customs clearance have led to collaborating with customers on alternate shipping routes or instituting on-site drumming and QC services, especially for export batches. Having come through years of global shortages and local regulatory tightening, we invest steadily in digital inventory management and micro-batch production lines, improving traceability and reducing the gap from order to dispatch.
Many of our partners are innovators in their field, whether formulating cutting-edge flavors with new molecules or scaling up green synthesis pathways to pharmaceuticals. We keep a communications line open with R&D groups, offering not just routine COAs, but also application support when there is a process hiccup. Supporting pilot-plant trials, we share best practices, guidance on process windows, and reference data from prior customer runs, enabling smooth scale-up and troubleshooting. Sometimes this means tweaking a blend, sometimes adjusting the order of ingredient addition, or simply sharing what solvent combinations gave the best outcome for a similar product last quarter.
Cooperating on government and regulatory filings, especially with new chemical applications or international expansions, demands more than routine paperwork. Our regulatory team compiles historical batch analytics and supports partners with real-world test data, helping smooth approvals and clear customs. Having firsthand experience tackling GHS labeling changes, transport harmonization, and REACH dossier updates, our staff can clear bottlenecks with results, not just intentions.
The present manufacturing process is the cumulative product of many technical tweaks and learning cycles. Early campaigns to synthesize 3'-Methylacetophenone on scale produced some color-variant product and too much off-spec side-chain formation. Over the years, improved temperature and pH controls, better phase-separation, and more robust starting material qualification cut rejection rates and made output more predictable. Side discussions with engineers who ran large-scale acylation of similar aromatics highlighted small changes—in mixing speed, acid scavenger feed, solvent selection—that made huge downstream differences in final product profile.
Practical experience underscored how even trace moisture can shift reaction selectivity and introduce stubborn off-odors—data we gathered running controlled moisture tests, then transferred to batch drying protocols. Staff innovation led to in-line GC snapshot points, allowing real-time redirecting of reaction streams in case the aromatic content strayed from target. These direct interventions, not inherited theory, have shaped the unique flavor and performance profile of our product to meet modern industrial need.
Sharing in-process data and full batch histories builds trust. Customers rightfully push for proof, not promises, and our team provides comprehensive traceability from raw material intake to drum filling. A clear COA, trace impurity profile, and full audit trail come with every shipment. Feedback loops go beyond returns or complaints, often starting with post-run lab analysis or simple “how did this batch perform in your process?” check-ins. Over time, this openness rides hand in hand with better process control and improved end-use satisfaction.
Direct visits to customer lab and plant sites help us see how the product really performs, often bringing up issues that would never show up in internal lab settings—such as subtle filtration issues with a certain solvent, or a slowly building residue in an end-user’s storage tanks. Field experience leads directly to continuous improvement, keeping us honest and pushing the process in line with actual demand, rather than theoretical ‘fit-for-use’ metrics.
Looking ahead, demand for high-purity 3'-Methylacetophenone and other specialty aromatics grows, while customers expect transparency, rapid adaptation, and sustainable practice. Staying competitive and responsible requires constant work on solvent recycling, emissions reduction, and digital batch management. Our nitty-gritty efforts—daily leak checks, process audits, and ongoing training—result in dependable product for every shipment, but also satisfy the increasing scrutiny from regulators and end-users alike.
Customers face ever-higher standards in their own supply chains, so our team treats every order as a reputational test. Each improvement, each tweak to production or logistics, stems from accumulated experience and a hard-won understanding of how even minor details play out when drums arrive at a customer’s dock. This approach lifts the game for everyone in the value chain, ensuring each lot of 3'-Methylacetophenone isn’t just compliant but truly fit for the nuanced realities of modern industrial and research use.