|
HS Code |
545073 |
| Compound Name | 3',5'-Dichloroacetophenone |
| Cas Number | 1083-31-6 |
| Molecular Formula | C8H6Cl2O |
| Molecular Weight | 189.04 g/mol |
| Appearance | White to pale yellow crystalline powder |
| Melting Point | 59-62°C |
| Boiling Point | 285°C |
| Density | 1.36 g/cm³ |
| Solubility In Water | Slightly soluble |
| Flash Point | 110°C |
| Purity | Typically ≥97% |
| Refractive Index | 1.574 (predicted) |
| Synonyms | 1-(3,5-dichlorophenyl)ethanone |
| Smiles | CC(=O)C1=CC(Cl)=CC(Cl)=C1 |
| Ec Number | 214-047-6 |
As an accredited 3',5'-Dichloroacetophenone factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle, 25 grams, tightly sealed with a screw cap; labeled with chemical name, CAS number, hazard symbols, and supplier details. |
| Shipping | **Shipping Description for 3',5'-Dichloroacetophenone:** Ship 3',5'-Dichloroacetophenone in a tightly sealed container, protected from light and moisture. Handle with appropriate chemical safety procedures. Transport according to local, national, and international regulations for hazardous chemicals. Ensure container is clearly labeled and accompanied by safety documentation (SDS). Store in a cool, dry place during transit. |
| Storage | 3',5'-Dichloroacetophenone should be stored in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers. Keep the container tightly closed and protected from light. Store at room temperature, avoiding excessive heat or moisture. Properly label containers and ensure safety protocols are followed to prevent accidental exposure or contamination. |
Applications of 3',5'-Dichloroacetophenone in Industrial ManufacturingAs the direct manufacturer of 3',5'-Dichloroacetophenone, we serve multiple specialized industrial sectors where this intermediate plays a decisive role in the downstream synthesis of high-value functional materials. Below, we outline verified application scenarios based on real-world use, technical dialogue with our partners, and feedback from formulation and process engineers across the global specialty chemicals industry. 1. Pharmaceutical Intermediate for Antihistamine SynthesisThis material functions as a critical halogenated benzene intermediate in the multi-step synthesis of certain pharmaceuticals, particularly within select antihistamine ingredient production routes. In these processes, it supports the introduction of dichloro substitution patterns pivotal for pharmacological activity, where process purity and batch reproducibility have a direct impact on downstream regulatory filing and quality assurance. Our product integrates at the early acylation or condensation stage and further undergoes transformation via Grignard reactions or subsequent functional group modifications, depending on the API synthesis route. Process engineers optimize the charge based on stoichiometry calculations and impurity control strategy, especially when targeting European, U.S., and Japanese active substance registration files. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
2. Key Raw Material in Herbicide Active Ingredient ManufacturingThis compound finds specialized application in the agrochemical industry, where it serves as a precursor during the synthesis of particular chloro-substituted acetophenone moieties featured in selective herbicide actives. Operators introduce it during electrophilic aromatic substitution or subsequent alkylation/oxidation reaction steps, where the dichloroaromatic framework contributes to target molecule stability and activity spectrum. Agrochemical development teams set the input ratio according to bioactivity optimization trials and impurity profile controls, always aligned with strict residue regulations and active content tests on batch release. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
3. Intermediate for Organic Pigment ProductionIn the pigments industry, this raw material is valued for introducing dichloro-functionalization in high-performance organic pigments targeted at the plastics, coatings, and printing ink sectors. This functional group imparts specific lightfastness and color stability properties in the final pigment molecules, offering enhanced durability under UV and harsh processing conditions. Feed engineers determine addition at the azo coupling or diketone derivatization stages, where the ratio and reaction conditions are tightly controlled to minimize byproduct color impurities and maximize batch consistency per customer masterbatch standards. Colorant producers rely on validated parameters for tone matching and dispersibility in target matrices. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
4. Precursor in Synthesis of Liquid Crystal Intermediate CompoundsManufacturers of liquid crystal display materials and specialized functional monomers use this compound to build segments of advanced aromatic frameworks that serve as mesogenic cores or side chains. The dichloro substitution pattern plays a critical role in tuning nematic temperature ranges and volt-birefringence characteristics required in high-definition display and sensor applications. The raw material is incorporated at early condensation and esterification stages, where precision in stoichiometry and thermal control determines the uniformity of the final liquid crystal homolog. Usage ratio varies depending on the structural complexity and physical property requirements of the designed molecule; process chemists work closely with QC labs to monitor molecular weights and contaminant profiles at each step. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
5. Building Block in Veterinary Drug SynthesisThe fine chemical sector employs this compound as a specialty building block in the preparative synthesis of certain veterinary drug intermediates, especially where structurally specific dichloro substitutions are required for biological activity modulation or metabolic stability enhancement. It is dosed during the targeted Friedel-Crafts acylation or condensation stages, allowing downstream formulation scientists to achieve tight impurity control critical for final product registration in animal health markets. Usage concentration is determined according to target conversion yields under scale-up pilot conditions, with all steps mapped to current Good Manufacturing Practice guidance to support veterinary drug master file submissions worldwide. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
|
Competitive 3',5'-Dichloroacetophenone prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.
We will respond to you as soon as possible.
Tel: +8615371019725
Email: admin@sinochem-nanjing.com
Flexible payment, competitive price, premium service - Inquire now!
Our commitment to building chemicals that support research and industrial innovation brings us to a product like 3',5'-Dichloroacetophenone. Those in organic synthesis, pharmaceutical research, and specialty materials rely on building blocks that behave predictably under tough reaction conditions. We have invested years into wringing out every complication from this process, refining not just the molecule itself, but the way we approach purity, impurity profile, and batch consistency.
In our facility, 3',5'-Dichloroacetophenone, also known as 3,5-dichloro-1-phenylethanone, carries the product code for a reason—it's not just another substituted acetophenone. There's a distinct difference in how our material performs compared to others you might source on the open market. We have watched laboratories struggle with low conversion rates in Friedel-Crafts acylation because of solvent residues or inconsistent melting behaviors from impure batches. Our synthesis protocol uses a closed filtration system, continuous pH monitoring, and multi-stage recrystallization to chase out these troublesome impurities. We do not outsource the work; every batch starts from select chlorinated benzene feedstock and is tested at multiple points for critical quality attributes.
Industrial manufacturers sometimes cut corners by choosing broader-toleranced processes to hit cost targets. We've learned that even a 0.2% related impurity can stall a scale-up or introduce persistent by-products in downstream transformations. We document every batch’s chromatography and IR spectrum. We track attributes like melting point—typically falling between 82–84°C for well-crystallized 3',5'-Dichloroacetophenone, and record water content to help end-users run anhydrous reactions more smoothly. That’s the level of process knowledge only a producer with on-the-ground experience can bring.
The bulk of our production goes into the 99% minimum pure, white to off-white crystalline solid. It’s often tempting for traders to push off yellowed, slightly damp product as “standard” grade—something we've seen plenty in the world, but don’t tolerate in our packaging section. Each drum carries full traceability, pulled samples before and after drying. Acceptance criteria include not just GC purity and loss-on-drying below 0.3%, but also a check for extraneous halides, since contamination from chlorination side reactions can be a headache downstream.
Customers use our 3',5'-Dichloroacetophenone in a wide array of syntheses. Medicinal chemists turn to it for constructing diketones, chalcones, and fine-tuned aromatic intermediates, where correct substitution patterns matter for eventual bioactivity. We have watched it slipped into research targeting anti-inflammatories, agrochemical candidates, and various heterocyclic compounds. Our clients in material science run coupling reactions and polymer modifications, where tiny residual impurities compromise surface characteristics.
We often discuss the nuances of its electrophilic nature with users running cross-couplings and acylations. The electron-withdrawing effect of the meta-positioned chlorines doesn’t just provide an interesting reactivity shift; it allows for sharper control in selective transformations. In one collaborative project, a team used our batch in a stepwise Suzuki coupling. Their experience highlighted how lesser grades with trace monochloro species produced annoying side products, whereas our lot offered clean conversion with higher isolated yields.
Market realities mean there are several sources for 3',5'-Dichloroacetophenone—some targeted at mass bulk, others at powder specification with little transparency. What sets apart our material is not just paperwork or claims but a demonstrated reduction in chromatographic tailing and ghost peaks. We run each lot through headspace GC analysis for volatiles, as contamination from chlorinated solvents or ring-modified isomers can remain “invisible” by regular quality checks. In our newer facility, jacketed reactors and in-line drying have helped bring the moisture and trace impurity levels well below the industry mean.
Some overseas powder factories deliver products by thermal dehydration with loose open-vessel drying. Our switch to vacuum drying with real-time monitoring of pressure and temperature changed the game in surface morphology and shelf-life. This effort shows up in the hands of a synthetic chemist—the product spoons out easily, doesn’t clump, and dissolves evenly in common solvent systems.
In comparison with standard acetophenone derivatives (such as the more widely available 4'-chloroacetophenone or 2',4'-dichloroacetophenone), our expertise with regioselective chlorination allows us to offer a tightly controlled substitution pattern. This matters in synthesis where regioisomer contamination can introduce significant analytical noise or even invalidate biological testing results.
Being a primary manufacturer, we make process safety and waste handling part of everyday conversation. Chlorinated benzene and keto-chlorination steps have notorious reputations for challenging effluent management. We have implemented closed-loop solvent recovery and byproduct capture, using what we've learned from previous generations of technology to exceed both in-house and regulatory targets. The final crystalline stage proceeds in a clean-room environment, with personnel using appropriate PPE and waste neutralization steps outlined for every campaign. These may sound like engineering add-ons, but years of accident-free operation are a testament to the value of experience and diligence in chemical manufacturing.
The effort pays off for the environment and the end-user alike. Our management encourages process engineers and production supervisors to innovate, with a reward system for improvements that cut energy use and volatile organic compound emissions. Downstream, this cuts the overall lifecycle impact of every kilogram of 3',5'-Dichloroacetophenone that rolls out of our gate.
Scientists who order directly from us often have more demanding technical requirements than bulk traders or resellers can deliver. We field requests for particle size data, specific water content, and polymorph details. Some drug discovery teams want ultra-low-halide versions, which require extended extractions and stricter halide monitoring. Several times, we’ve modified crystallization protocols to push water-insoluble forms or tweak the physical nature of the material, so that it dispenses or mills better in pharmaceutical tableting processes.
One of the most telling examples came from a group wrestling with slow filtration rates in their downstream chemistry. Off-the-shelf 3',5'-Dichloroacetophenone left them with sticky filter cakes and uneven dissolution. Our plant team worked closely with their chemists, dissected process samples in our analytical lab, and ultimately shifted a drying curve and sieving step to provide the particle grade they needed. The end result was a boost in throughput and fewer headaches on the shop floor.
Direct feedback gives us a lens on real-world pain points. Whether it’s a poorly flowing powder or a solvent residue throwing off a sensitive catalysis, every concern is routed back to our plant team for action. Chemists and process engineers do post-campaign briefings—not just on yield, but on customer input. A few years ago, feedback about caking in high humidity datasets led to packaging changes. We shifted to a multilayer liner system and incorporated regular microclimate tests, and since then, the problem faded. These are small actions but draw from decades in manufacturing, not theoretical optimization.
We welcome the tough conversations about trace-level impurities, color, or physical character. While many suppliers settle for spot checks, our routine includes regular panel analysis by experienced staffers, not just automated machinery. The knowledge gained flows back into standard operating procedures, training for new technicians, and the never-ending search for sources of out-of-spec material. This mindset avoids the slow slide into mediocrity that befalls so many chemical producers.
The chemical market often pits price against reliability. We know buyers face pressure from procurement teams to find “equivalent” products at lower cost. Yet our experience bears out that supply chain hiccups, uncertain impurity profiles, or reworked lots can cost more than the small margin difference up front. Each bulk customer gets a detailed batch report and backup documentation detailing handling, sampling frequency, and dating. If there’s a departure from typical quality metrics, the discussion happens early, with batch reserves to handle swaps or shortages.
Major buyers have occasionally tested alternate suppliers, attracted by spot deals or bulk pricing. The lesson comes swiftly, especially for downstream synthesis that counts on narrow impurity tolerances. One multinational returned to regular purchase after several campaigns using “equivalent” material clogged filters, pushed up purification costs, and delayed product rollouts. These real-world disruptions bring home why tight controls, hands-on QC, and batch-to-batch reproducibility matter.
We recognize the increased regulatory scrutiny facing chemical manufacturers. Strict recordkeeping, transparent batch files, and GMP-esque protocols for specialty batches have moved from a compliance task to a value proposition. Full batch records, impurity profiles, and material movement logs are available for every lot—not simply because regulations require it, but because it’s the fastest way to resolve queries or troubleshoot plant issues. Our QA and documentation teams lead twice-yearly audits, reviewing not just records, but real plant practices and trending complaint sources. This approach is essential to maintain confidence for buyers working under regulatory filings or scale-sensitive programs.
Even the best batch of 3',5'-Dichloroacetophenone suffers if handled poorly after shipping. We offer detailed, experience-based shipping notes and technical consultations to help buyers integrate the material into their processes. Storage temperature, drum material, exposure times, and decanting tools all affect how the compound behaves over weeks or months. Practical tips born from years of working with this molecule—like avoiding rapid swings in humidity, or venting containers before use—show up in our shipping documents and during technical support sessions.
Pharmaceutical and specialty chemical users sometimes require small, high-frequency deliveries for just-in-time synthesis. We maintain buffer inventory for major accounts and rush fill urgent orders when scale-up timelines run faster than expected. This degree of flexibility, built on real-world experience and plant capacity, allows our partners to plan more confidently and avoid costly supply gaps.
Longstanding experience shapes every step. Our facility wasn’t always a model for trace impurity control or sustainable effluent management. Years ago, we faced forced reworks from unexpected pH drift in acylation or uneven batch heating that created color body contamination. Learning from those failures, investing in newer reactor controls, inline sampling, and analytical upgrades sharpened our output and cut batch variability. Today, those old problems guide our continuous improvement efforts and remind us that shortcuts in chemical production never stay hidden for long.
End-users know the difference the first time they run a synthetic sequence with our 3',5'-Dichloroacetophenone. Fermenters load faster, sticky residues are rare, target yield sits within confidence limits. The value surfaces again with each trouble-free downstream batch and with the backup knowledge that support from the real manufacturer stands behind the product.
Chemical production continually raises the bar. New green chemistry initiatives and rising client expectations push us to re-examine solvent regimes, energy efficiency, and plant automation. Our current development pipeline looks to catalytic alternatives for chlorination and safer reagent handling. Small changes—like switching to higher-efficiency filters or refining wash protocols—translate upstream into better yields and less downstream burden. The feedback loop between plant chemists, QA experts, and our clients keeps future improvements grounded in practical challenges, not just theoretical ideals.
Market volatility, shifting regulatory frameworks, and global supply chain shaking test even hardened manufacturers. Real commitment comes by keeping skilled personnel, investing in plant upgrades, and focusing on customer-driven product design. These priorities mean that even as the market grows more complex, users of our 3',5'-Dichloroacetophenone continue to get exactly what their chemistry demands—and nothing less.
Experience matters most in specialty chemical production. Years refining 3',5'-Dichloroacetophenone have made us keenly aware of what separates a workable intermediate from a source of persistent headaches. Through rigorous process control, targeted impurity management, and flexible support for chemists and manufacturers, we bring reliability and peace of mind. Our approach grows from the practical realities all chemical makers know: quality control happens in the plant, not on paper; customer feedback shapes real process changes; and success shows up downstream as repeatable results. This is what we stand behind, batch after batch, year after year.