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5'-Chloro-2'-Hydroxy-3'-Nitroacetophenone

    • Product Name 5'-Chloro-2'-Hydroxy-3'-Nitroacetophenone
    • Einecs 629-038-8
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    289146

    Chemicalname 5'-Chloro-2'-Hydroxy-3'-Nitroacetophenone
    Molecularformula C8H6ClNO4
    Molecularweight 215.59 g/mol
    Casnumber 3934-21-8
    Appearance Yellow crystalline solid
    Meltingpoint 156-160 °C
    Solubility Slightly soluble in water, soluble in organic solvents
    Purity Typically ≥98%
    Storageconditions Store in a cool, dry place, keep container tightly closed

    As an accredited 5'-Chloro-2'-Hydroxy-3'-Nitroacetophenone factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing A 25g amber glass bottle with a tight-seal cap, featuring hazard labels and a detailed product information sticker for 5'-Chloro-2'-Hydroxy-3'-Nitroacetophenone.
    Shipping 5'-Chloro-2'-Hydroxy-3'-Nitroacetophenone is securely packaged in sealed, chemical-resistant containers to prevent leaks or contamination. Shipments comply with international hazardous material regulations, including labeling and documentation. Temperature and light-sensitive, the product is stored and transported under controlled conditions. Delivery is via certified couriers with tracking to ensure safe and timely arrival.
    Storage 5'-Chloro-2'-Hydroxy-3'-Nitroacetophenone should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizing agents. Keep it protected from light, moisture, and sources of ignition. Store at room temperature and ensure proper labeling and secure storage to prevent unauthorized access or accidental exposure.
    Application of 5'-Chloro-2'-Hydroxy-3'-Nitroacetophenone

    Applications of 5'-Chloro-2'-Hydroxy-3'-Nitroacetophenone in Industrial Manufacturing

    5'-Chloro-2'-Hydroxy-3'-Nitroacetophenone is primarily utilized as a high-purity intermediate for specialized synthesis in advanced chemical manufacturing sectors. As a direct manufacturer, we ensure rigorous traceability, consistent quality, and adherence to strict industrial and regulatory requirements in each downstream value chain. Below, we detail several specific fields in which this material delivers targeted, functional performance as a critical process input.

    1. Pharmaceutical Intermediate for Antimicrobial Substance Synthesis

    This compound acts as a crucial building block for APIs (Active Pharmaceutical Ingredients) with antimicrobial activity. It enters synthesis routes for nitro- and chloro-substituted aromatic pharmaceuticals where reactivity and substitution patterns are necessary for targeted biological properties. Facilities use this intermediate during multi-step organic syntheses to construct advanced pharmaceutical scaffolds.

    Industry compliance standards

    • ICH Q7: Good Manufacturing Practice Guide for Active Pharmaceutical Ingredients
    • USP–NF monographs for relevant APIs
    • EU GMP EC No 1252/2014 for medicinal substance production
    • China Pharmacopoeia (ChP) for intermediate registration

    Typical usage ratio

    • 5–18% molar basis relative to main coupling partner; process chemists adjust charge depending on target step yield and downstream purification strategy

    Downstream process integration

    • Introduced at the nitration or acylation phase of multistep pharmaceutical synthesis, prior to reduction or ring closure

    Final product types

    • Oral antimicrobial tablet APIs
    • Injectable antimicrobial ingredients
    • Ophthalmic bulk drugs

    2. Intermediate for Agrochemical Active Ingredient Synthesis

    Manufacturers of agrochemical actives incorporate this material as a halogenated phenolic precursor, introducing functional groups into pyridone and diketo frameworks. Its precise substitution pattern enables synthetic routes for select herbicide and fungicide actives, particularly in stages requiring electrophilic aromatic substitution and further nitration or reduction.

    Industry compliance standards

    • FAO/WHO Specification for pesticide technical materials (JMPS)
    • ISO 9001:2015 for agrochemical ingredient production
    • REACH (EC 1907/2006) registration for precursor usage within the EU
    • China National Standard GB/T 1604-2021 for pesticide intermediates

    Typical usage ratio

    • 3–12% by weight as a core substrate in the active ingredient synthesis; the ratio shifts depending on whether post-modification or direct condensation is employed

    Downstream process integration

    • Charged during aromatic substitution or condensation steps preceding halogen exchange, cyclization, or sulfonation

    Final product types

    • Selective herbicide technical concentrates
    • Systemic fungicide actives for seed treatment
    • Crop protection intermediates

    3. Raw Material for Specialty Colorant and Dye Synthesis

    Dye and pigment manufacturers utilize the compound for synthesizing specialty diazo dyes and azo pigments requiring both nitro and chloro substituents on the acetophenone core. Its unique substitution enables precise color tuning and enhances fastness properties needed for industrial textile, fiber, and specialty ink formulations.

    Industry compliance standards

    • OEKO-TEX® Standard 100 for restricted aromatic amines in textile dyes
    • ZDHC Manufacturing Restricted Substance List (MRSL)
    • ISO 9001:2015 for specialty chemical manufacturing
    • EU Regulation (EC) No 1907/2006 REACH

    Typical usage ratio

    • 1.5–8% by mass of the colorant precursor batch, optimized based on the desired hue intensity and downstream blendability

    Downstream process integration

    • Enters as a coupling component during diazotization or acylation synthesis, prior to color development with salt addition and filtration

    Final product types

    • Reactive dyes for cellulose fabrics
    • High-performance pigments for technical plastics
    • Specialty inkjet inks

    4. Intermediate for Synthesis of Advanced Polymeric Resins

    Producers of high-value polymers and coating resins use this acetophenone derivative to introduce chloro- and nitro-functionalities onto aromatic polyester or epoxy resin backbones. The material’s placement early in polymerization grants downstream formulators the ability to tailor thermal and UV stability in specialty coatings and electrical encapsulants.

    Industry compliance standards

    • ISO 14001:2015 for environmental management in specialty resin production
    • UL 94 for flammability in insulating resins
    • RoHS Directive 2011/65/EU for electrical resin applications
    • GHS/CLP (EC No 1272/2008) for labeling and safe handling

    Typical usage ratio

    • 0.8–4.2% (by total monomer input) calibrated against required functional group density and final cross-linking capacity

    Downstream process integration

    • Incorporated as a substituent donor during initial monomer/polymer batch blending, prior to polymerization under controlled temperature and catalyst addition

    Final product types

    • UV-resistant polyester coatings
    • Specialized epoxy resin encapsulants
    • Thermally stable insulation materials

    5. Starting Material for Analytical Chemical Reagents

    Chemical reagent manufacturers apply this compound as a core reference substance and precursor to analytical standard solutions needed for calibration, trace analysis, and research on aromatic nitro derivatives. This builds batch-specific standards for use in environmental and pharmaceutical laboratories.

    Industry compliance standards

    • ISO/IEC 17025:2017 for calibration laboratory competence
    • Ph. Eur. reference standards guidelines
    • EPA analytical method specifications (where relevant)
    • JIS K 0123 for industrial chemical reagent quality

    Typical usage ratio

    • Determined precisely at 0.01–1.0% in standard preparation; concentration set according to target calibration curve and specific matrix effects in downstream detection

    Downstream process integration

    • Weighing and dissolution as a primary substance or internal standard during reference stock solution preparation for QC laboratories

    Final product types

    • Chemical reference standards
    • Analytical test kits for trace aromatic compounds
    • Certified calibration solutions for quality control
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    Certification & Compliance
    More Introduction

    Introducing 5'-Chloro-2'-Hydroxy-3'-Nitroacetophenone: A Story of Precision in Chemical Manufacturing

    Our Perspective in Bringing This Unique Compound to Market

    Working in chemical manufacturing has always revolved around precise process control and consistency. Among the numerous specialty intermediates our team has developed, 5'-Chloro-2'-Hydroxy-3'-Nitroacetophenone stands as a solid reflection of both our experience and steady focus on accuracy. This compound appears in many advanced organic synthesis pipelines, especially those demanding both electronic effects and strategic functional group placement. Clients often ask how this molecule fits into their own work, or how it stands out among a host of similar aromatic ketone derivatives. Drawing on years of production and collaborations with research labs, I want to lay out the factors that make this product distinctive, practical in use, and reliable for chemists pushing boundaries in pharmaceutical and material science.

    Model, Specifications, and the Importance of Reliable Production

    Through our manufacturing journey, this molecule has emerged as a trusted choice among researchers developing new APIs and high-performance materials. Our current production runs operate with a standard batch model, where we target a purity greater than 98% through controlled crystallization and careful purification steps. Each batch is subject to stringent HPLC and NMR analysis, not just out of regulatory necessity but out of a real sense of pride in our own output. When an end user requests a detailed COA, we offer direct chromatographic data, supporting each individual lot so synthetic reliability stays predictable over multi-kilogram projects.

    We discovered early in our development work that getting consistent material rests on more than analytical purity. Particle size, water content, trace iron, and even the history of solvents used in the final wash change how 5'-Chloro-2'-Hydroxy-3'-Nitroacetophenone handles in a customer’s bench-scale reactor. Technicians who actually weigh and dissolve our product contact us with feedback, which drives ongoing process improvements. One example came from an academic lab handling scale-up for a new biaryl synthesis, who noticed moisture adsorption issues; in response, we reviewed our post-filtration drying protocol and improved vacuum-oven cycles based on their findings.

    We manufacture this compound at a scale tuned to demand from research organizations, pharmaceutical innovators, and specialty material developers. Multi-kilogram campaigns receive the same oversight as smaller custom orders. Manufacturing oversight stays personal: laboratory staff, technical managers, and synthesis chemists directly involved in scale-up discuss every yield drift and impurity peak before final lot approval.

    What Makes 5'-Chloro-2'-Hydroxy-3'-Nitroacetophenone Distinct

    The compound’s structure carries a unique substitution pattern: positions on the acetophenone ring host a hydroxy group, a nitro group, and a chloro substituent. The real difference shows in synthetic applications. Substituent effects influence both the reactivity of the aromatic ring in downstream functionalizations and the overall solubility displayed under different conditions. More basic analogues lacking the nitro group often miss certain synthetic pathways in aromatic substitution or coupling. Removal or repositioning of the chloro group, as seen in other related products, limits selectivity for cross-coupling, especially when prepping substrates for C-N or C-O bond construction.

    Customers developing kinase inhibitors or novel dyes select this compound exactly because of its fine-tuned electronic and solvation properties. Downstream chemistry—whether direct alkylation, acylation, or more elaborate palladium-catalyzed coupling—sometimes only proceeds smoothly when electronic effects balance as in this molecule. Our technical support staff often compares notes with clients to support process optimization. Several customers, for instance, note that less polar acetophenone derivatives fail to dissolve efficiently in polar aprotic solvents during their route, leading to slurry and compounding filtration headaches.

    Those exploring material science applications, particularly in organic electronics or advanced pigment development, come to us regarding its chromophore potential. The combination of nitro and chloro substitution delivers a bathochromic shift required for some optical materials. Research teams delving into photoinitiator discovery cite the compound’s stability under LED irradiation as another key factor. These insights don’t emerge from literature review—they grow out of dialogue with real users, troubleshooting at the bench, and our own shared experience making experimental batches for collaborative research projects.

    Addressing Practical, Down-to-Earth Usage Questions

    Actual handling of this compound sets it apart from others in its class. Several analogues suffer from clumping, static charge, or hard-to-break crystalline conglomerates. Our longstanding staff chemists mastered a finishing step to ensure this product pours as a free-flowing powder, with less tendency to stick to traditional weighing equipment or narrow-neck bottles. Consistency in particle size matters in automated dispensing and protocol repeatability. Clients in preparative chromatography specifically appreciate easier column loading and less need for regrinding.

    Research clients—especially those running small pilot plant reactors—highlight another strength: the managed control of byproducts. This compound yields remarkably little tarry residue under oxidative or reductive conditions, letting operators run multiple cycles before significant cleaning downtime is required. Waste reduction at this stage means more than process efficiency; it often preserves fragile or costly catalyst beds, pushing down long-term expenses. Our work doesn’t stop with selling a drum; engineers and managers share post-run photos, letting us continually refine impurity profiles, filtration aids, and recommendations for low-temperature handling.

    Outside the lab, the real world brings storage and transportation worries. We face hot, humid summers during warehousing and outbound logistics. Our packaging design focuses on keeping moisture at bay, with high barrier liners and rigid drum seals. Small volume containers benefit from desiccant inclusion. This keeps product on-spec three, six, or even twelve months after production—an achievement we share with direct partners, who regularly report back on out-of-spec trends and handling improvements caused by unexpected field conditions.

    Comparing with Other Acetophenone Derivatives: Insights and Choices

    Many manufacturers and sourcing teams grapple with how to choose between aromatic ketone derivatives. In our own plant, we run parallel campaigns with analogues—sometimes varying the nitro group location or switching a chloro group for a bromo or methyl. Through this experience, we know there is no universal “best” version. The right fit comes down to each customer’s route, risk profile, and the chemistry that has to be performed downstream.

    Some might wonder what exactly differentiates our 5'-Chloro-2'-Hydroxy-3'-Nitroacetophenone from similar products like para-nitro acetophenones with no chloro or substituents elsewhere. In practice, clients tell us the ortho or meta positioning tunes their reactivity, preventing unwanted overreaction in halogenation or reducing side-product formation under coupling conditions. The specific functional group arrangement here brings options in ligand attachment, improved site selectivity, and different stability toward hydrolytic degradation. We’ve had numerous direct discussions with research chemists who discovered less optimal conversion rates and unwanted byproducts using the “closest” commercially available alternatives.

    From the production side, controlling purity and impurity profiles matters more here. Some derivatives, especially those with less steric hindrance or fewer strongly electron-withdrawing groups, tend toward easier side-reactions, off-flavor or coloration issues, or formation of persistent trace contaminants. We monitor not only for major organic byproducts but for a class of residual solvents and minor metal impurities that can impact both reactivity and regulatory acceptance in final active pharmaceutical ingredients. Testing for each lot stretches beyond regulatory minimums because problems at the final step trace back to unnoticed minor impurities at the building block stage.

    Supporting Every Real-World Batch: Traceability and Feedback Loops

    One fact often overlooked in catalog listings is how manufacturer engagement shapes product quality. Our chemists and plant staff document every campaign, maintaining full traceability back to the starting material and every process aid. This hands-on knowledge comes from a production environment, not a trading company’s database. If a customer ever uncovers a performance issue during synthesis—unexpected endpoint, color variation, or filtration slowdowns—our technical leadership traces the origin, reviewing solvent histories and in-process analytics. Every batch variance finds a root cause and a real solution.

    We see our partners as more than one-time buyers; we build long-term feedback loops into our product development. This loop operates through site visits, shared data files, and even joint process troubleshooting. More than once, a customer’s unique downstream technique uncovered a new challenge, giving us new information to further purify or packaging our product. Improvement comes from this continuous cycle.

    Environmental Considerations: Cleaner Chemistry Through Responsible Practice

    The manufacture and application of 5'-Chloro-2'-Hydroxy-3'-Nitroacetophenone raises important questions on waste management, environmental stewardship, and risk reduction. Chemical manufacturing in itself creates the potential for solvent waste, by-product tars, and emissions that need careful control. Over the years, our plant invested in efficient solvent recovery and recycling loops, reducing not only operational costs but our actual environmental loadout. We routinely analyze our own waste streams, capturing not only chlorinated organics but trace nitroaromatic “creep” that could pose a risk for downstream users.

    Our shipping and logistics group worked to minimize both packaging and transport risk, using formats that allow maximum stability for the product with a minimum of additional plastic or composite waste. We look for input from users on container returnability or improved bulk-discharge suited to their process lines. Local regulations influence these efforts, but so does our internal ethos: Every kilo of high-purity product represents a responsibility to both customer and community.

    We work with third-party auditors who review both our environmental records and plant operations—not in response to an accident or a public relations push, but as an ongoing system of accountability. These efforts ensure the production and distribution of this compound improves alongside the larger goals of responsible chemical manufacture.

    Quality, Trust, and the Real Value of Direct Manufacturer Relationships

    Every new order for 5'-Chloro-2'-Hydroxy-3'-Nitroacetophenone represents a partnership built on credibility proven in actual laboratory and pilot plant projects. Trust doesn’t come from a glossy data sheet or an anonymous online listing. It grows from real conversations, from sharing technical reports and from transparent responses to issues as they arise. Our technical staff field incoming updates and troubleshoot based on actual run observations, not copy-pasted answers or boilerplate text. These practices establish relationships grounded in real knowledge and active problem-solving.

    Technical managers, chemists, and plant supervisors bring unmatched practical insight into how and why the manufacturing process influences the final product. This real-world knowledge—built on first-person experience, rigorous analytics, and ongoing dialogue with actual users—remains the best safeguard for product reliability in critical research and production work.

    We recognize that making a quality chemical is not only about what happens in the reactor or filter flask, but in the mindset and diligence carried by every person in the manufacturing chain. Pride of work, attention to client feedback, and a willingness to improve distinguish a direct manufacturing relationship from any sourcing route that passes through a distributor or broker.

    Shaping the Future: Real Commitments to Research, Safety, and Supply

    The needs of researchers and industrial teams never stay the same. As new synthetic methods emerge and regulatory standards tighten, our own protocols change. We make a point to invest in staff education, in-lab instrumentation, and direct engagement with academic and industrial partners exploring the edges of synthetic chemistry. Recent projects connected this product with new methods in heterocycle construction and functional material preparation—both areas where our precise control over functional group placement played a critical role in downstream success.

    Our technical dialogue drives practical advances in safety as well. For example, plant operators and safety officers reviewed handling practices and identified better containment for both powder transfer and waste collection stages. This led to safer in-plant operations, improved yield recoveries, and reduced risk of exposure or loss, all supported by data from actual plant and laboratory incidents—never hypothetical safety case studies.

    As global supply chains face disruption, our commitment stays rooted in readiness and transparency. We plan inventory and raw material stocks around ongoing customer forecasts, and actively update all direct buyers about expected lead times. When interruptions occur, our logistics and customer service teams collaborate to find alternative delivery plans or adjusted packaging formats, based on direct feedback from users that know the realities of time-sensitive research and pilot plant needs.

    An Invitation to Honest Dialogue

    From our perspective as hands-on chemical manufacturers, we see 5'-Chloro-2'-Hydroxy-3'-Nitroacetophenone as more than an inventory item. It stands for the real effort invested in quality, consistency, and straight talk—a result of ongoing experience, actual daily practice, and the shared success of our customers. We invite researchers, process engineers, and operations managers to contact us directly, raise questions, and share experiences. The ultimate value of this product comes from the trust built through honest dialogue and steady, transparent service.