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2-Chloro-4-Methoxyphenol

    • Product Name 2-Chloro-4-Methoxyphenol
    • Alias PCMX
    • Einecs 228-061-7
    • 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

    630393

    Chemical Name 2-Chloro-4-Methoxyphenol
    Cas Number 1570-64-5
    Molecular Formula C7H7ClO2
    Molecular Weight 158.58 g/mol
    Appearance White to light yellow crystalline powder
    Melting Point 64-68 °C
    Boiling Point 281 °C
    Density 1.33 g/cm3
    Solubility Slightly soluble in water; soluble in organic solvents
    Purity Typically ≥98%
    Smiles COC1=CC(=C(C=C1)O)Cl
    Inchi InChI=1S/C7H7ClO2/c1-10-6-3-2-5(9)7(8)4-6/h2-4,9H,1H3

    As an accredited 2-Chloro-4-Methoxyphenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle, screw cap, 100g label. Marked: 2-Chloro-4-Methoxyphenol, CAS number, hazard symbols, manufacturer, handling instructions.
    Shipping **Shipping Description:** 2-Chloro-4-Methoxyphenol should be shipped in tightly sealed, corrosion-resistant containers, stored in a cool, dry, and well-ventilated area away from incompatible materials such as strong oxidizers. Label the package according to chemical safety regulations, and handle with appropriate personal protective equipment to ensure safe transport and delivery.
    Storage 2-Chloro-4-methoxyphenol should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from heat, ignition sources, and incompatible materials such as strong oxidizers and acids. Protect it from light and moisture. Clearly label storage containers, and ensure access is restricted to trained personnel. Always follow national and institutional guidelines for chemical storage.
    Application of 2-Chloro-4-Methoxyphenol

    Applications of 2-Chloro-4-Methoxyphenol in Industrial Manufacturing

    We supply 2-Chloro-4-Methoxyphenol for specialty manufacturers requiring precise performance, compliance reliability, and consistency across chemical value chains. Below we detail real-world uses in key downstream industries, providing technical insight into integration, composition, and finished goods output.

    1. Pharmaceutical Intermediate Synthesis

    In pharmaceutical manufacturing, 2-Chloro-4-Methoxyphenol acts as an advanced intermediate in the preparation of active pharmaceutical ingredients, notably for synthetic antimicrobials and antifungals. Synthesis typically incorporates this material early in multi-step processes for heterocyclic scaffolds, supporting efficient derivatization via its chloro and methoxy groups. Regulatory agencies such as the FDA and EMA specify upstream controls and trace-level impurity management for starting chemicals in GMP-compliant environments. Adjusting the input ratio depends on the targeted molecular transformation, often determined by reaction yield optimization and impurity profiles set during validation studies. Downstream, pharmaceutical teams conduct purification and scale-up using batch-to-batch traceability as mandated by regulatory frameworks. This raw material features predominantly in oral and topical prescription drugs delivered by global pharma enterprises.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • 21 CFR Parts 210, 211 (US cGMP)
    • EU EudraLex Volume 4 GMP Guidelines
    • USP/NF, Ph. Eur. Monographs (where relevant)

    Typical usage ratio

    • Input quantity ranges from 0.5–10% w/w relative to the target API or intermediate mass base
    • Formulation scientists optimize the ratio to balance yield and downstream purification requirements

    Downstream process integration

    • Integrated at the initial stage of heterocycle formation or aromatic substitution reactions
    • Close QC monitoring during reaction set-up, with subsequent reflux and solvent exchange steps
    • Incorporation scheduled according to process validation and batch record management systems

    Final product types

    • Oral and topical antimicrobial pharmaceuticals
    • Intermediates for antifungal drugs
    • API precursors for contract manufacturing

    2. Industrial Biocide Formulations

    Producers of industrial biocidal mixtures use 2-Chloro-4-Methoxyphenol as an effective active ingredient targeting bacteria and fungal strains in water treatment, materials protection, and detergent additives. Regulatory compliance drives documentation of input traceability and analytical verification before biocide registration. Usage ratios reflect field performance requirements, toxicity risk assessments, and regulatory maximums established in various jurisdictions. The input becomes solubilized and stabilized in liquid microbicide systems, with final dosage controlled during blending to maintain efficacy within authorized thresholds. End users deploy these biocidal blends in cooling water systems, paint preservatives, and institutional cleaners.

    Industry compliance standards

    • Biocidal Products Regulation (EU) 528/2012 (BPR)
    • US EPA FIFRA Registration (40 CFR Part 158)
    • China GB 38598-2020 General Rules for Biocides
    • ISO 9001:2015 for quality management in formulation plants

    Typical usage ratio

    • Blending at 0.1–1.5% w/w as per product efficacy testing and allowable concentration limits
    • Formulators adjust based on microbial challenge and local regulatory restrictions

    Downstream process integration

    • Directly incorporated during tank mixing or inline addition to liquid biocide preparations
    • Stabilization with appropriate co-formulants to prevent degradation
    • Controlled dosing for uniform distribution in large volume batches prior to packaging

    Final product types

    • Paint and coatings preservatives
    • Water circuit biocides
    • Disinfectant and antimicrobial concentrates
    • Detergent antimicrobial additives

    3. Specialty Dye and Pigment Synthesis

    Manufacturers rely on 2-Chloro-4-Methoxyphenol as a building block for custom aryl ether and aryl chloride dye intermediates. Synthetic routes exploit its unique substitution pattern to achieve targeted chromophore properties, including fastness and tone. Production quality hinges on tight input purity and reactivity, as uncontrolled side reactions can introduce color instability. Colorant companies adhere to sector-specific regulatory requirements pertaining to allowed impurities and trace contaminants, especially for dyes used in sensitive applications. The input quantity is calibrated by molecular equivalence with the other building blocks, often with a slight stoichiometric excess to maximize conversion. Downstream finishing includes coupling, filtration, and purification tailored to the type of pigment or dye being manufactured.

    Industry compliance standards

    • OEKO-TEX® Standard 100 (where textile end-use applies)
    • EN 71-3 Safety of Toys – Migration of Certain Elements (for pigment in toys)
    • REACH Annex XVII substance restrictions
    • ISO 105-B02 for color fastness (if relevant to textiles)

    Typical usage ratio

    • Used at 3–15% w/w relative to total dye or pigment precursor mass
    • Chemists adjust loading based on required chromophore concentration and target batch yield

    Downstream process integration

    • Reacted in stepwise batch or continuous processes for azo or anthraquinone dyes
    • Purification via precipitation, filtration, and drying conducted after reaction
    • Managed under closed-system protocols to prevent cross-contamination

    Final product types

    • Colorants for plastics and polymers
    • Textile and leather dyes
    • High-performance printing inks
    • Coating pigments with enhanced light and wash fastness

    4. Fine Fragrance and Aroma Ingredient Production

    Aroma chemical producers use 2-Chloro-4-Methoxyphenol in the synthesis of aromatic ether derivatives, which contribute specific woody or herbaceous notes in fragrance applications. Incorporation into production lines adheres to IFRA and food safety protocols when components enter consumer goods and personal care products. Product development chemists tune dosage during etherification or alkylation reactions to generate intermediate molecules with targeted olfactive properties. The material typically enters as a key block in multi-step syntheses with purification under strictly controlled temperature and pH conditions, ensuring consistent odor quality and safety for downstream use. Final fragrance products undergo stability and allergen screening required by international standards.

    Industry compliance standards

    • IFRA Code of Practice and Guidelines
    • EU Regulation (EC) No 1223/2009 on Cosmetic Products
    • Food Chemical Codex (where flavors are used in food)
    • ISO 9235:2013 for aromatic raw materials identification

    Typical usage ratio

    • Used from 0.05–2% by mass of fragrance concentrate, depending on formulation targets
    • Batch-to-batch ratio is adjusted to ensure consistent sensory profile

    Downstream process integration

    • Introduced during intermediate etherification or methylation steps
    • Followed by vacuum distillation and quality control olfactometry
    • Incorporation subject to allergen and purity testing per regulatory requirements

    Final product types

    • Perfume and eau de toilette bases
    • Fragrance compounds for soaps and detergents
    • Aroma ingredients for air care products
    • Flavor precursors in low-level food applications (subject to approval)
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    Certification & Compliance
    More Introduction

    Introducing 2-Chloro-4-Methoxyphenol: A Closer Look from the Manufacturer’s Bench

    From Raw Ingredients to Reliable Chemical: Our Perspective

    For years, production of 2-Chloro-4-Methoxyphenol has challenged even seasoned chemists in our facility. Starting from select raw materials, the synthesis draws on our knowledge and hands-on experience in manipulating chlorination and methylation under controlled environments. Many companies dabble in this product; few understand what it takes to create material with the kind of purity adaptable to specialty demands. Peering past the molecular diagrams and scaling puzzles, you realize every drum holds the result of tangible decisions—from sourcing starting phenols all the way through purification. As a manufacturer who uncaps reaction vessels and collects every batch, the work doesn’t end with simple “meet the spec” deliveries; we keep shaping the process so the chemistry stays efficient and repeatable.

    Defining the Product by its Uses and Qualities

    2-Chloro-4-Methoxyphenol, known to some as PCMC, stands out in the world of phenolic compounds. Few chemicals combine such a precise molecular substitution—chlorine at the ortho position and a methoxy group at the para—with practical advantages across multiple applications. In our plant, the typical batch aims for a purity above 99%, with moisture content tightly controlled. Color is routinely checked, as impurities quickly impact downstream processing. These steps serve pharmaceutical clients who require consistency batch after batch, as well as specialty manufacturers producing high-end personal care products.

    This compound earned its place in preservative systems. Its activity at low dosages gives formulators a way to stabilize creams, shampoos, and lotions. During the last five years, new demand emerged from smaller-scale laboratories experimenting with alternatives to parabens and older phenolics. Blending runs smoother when the product avoids off-colors and unwanted aroma, two defects observed if production shortcuts slip by. Our team inspects, tests, and signs off on every lot before shipment—not because regulations directly demand it, but because repeat business rests on trust and performance.

    Construction of Quality: Hands-On Controls and Experience

    Producing high-grade 2-Chloro-4-Methoxyphenol asks for more than just a good reaction yield. We learned early that reaction temperature and order of addition play a bigger role than any technical sheet will tell you. Many competitors treat the product as a by-product or low-value additive, then wonder at customer complaints over inconsistent melting points or residues in solution. Our approach remains hands-on: it’s no secret that regular checks and slow heating steps reduce by-product formation, but it takes dedication to apply this each time. Over time, such discipline pays off with batches that scale well and finish cleanly.

    Downstream, even subtle differences magnify under production conditions. We grind and sieve to reach a specific particle range so that the compound dissolves rapidly in water-alcohol blends—a small detail overlooked by many, but quietly vital in busy formulation plants. From this standpoint, a product isn’t just a line on a data sheet. It’s the sum of each worker’s attention to detail, the investment in modern filtration technology, and the unglamorous but critical cleaning between campaigns to avoid cross-contamination.

    How 2-Chloro-4-Methoxyphenol Stands Apart from Other Phenols

    It’s easy to confuse this compound with close relatives like plain 4-methoxyphenol or 4-chlorophenol, but experience on the manufacturing floor exposes the true differences. Both structurally and functionally, 2-Chloro-4-Methoxyphenol delivers a stronger antimicrobial punch than either single substitution variant. This benefits customers aiming for broad-spectrum preservation in stressful environments. During pilot-scale production, our technical staff regularly tests efficacy levels—not just in the lab, but in pilot formulations resembling real-world conditions. Over and over, we find improved results versus conventional phenols, especially where product shelf-life matters.

    Another key distinction hits you during storage and handling. Many phenols struggle with sensitivity to air and light. Over the years, we optimized storage conditions and even adjusted packaging material thickness to cut down on oxidative losses that can yellow product or reduce its shelf life. Complaints about “color change after opening” led us to explore better barriers and shorter storage cycles—a reminder that the job doesn’t finish once the product ships. These fine points help downstream clients avoid headaches and rework, particularly in regulated industries.

    Putting Customer Concerns at the Forefront

    Chemical manufacturing faces frequent scrutiny—both from regulators and from clients aiming to mitigate health or safety concerns. Our daily work aligns with evolving industry expectations. Researchers grew wary of certain historical preservatives, pushing us to provide safer alternatives. By tweaking reaction profiles, washing protocols, and even the solvents used for recrystallization, we managed to minimize unwanted impurities like free chlorine or residual solvents, both of which could compromise end-user safety or cause batch rejections.

    Feedback loops from clients encouraged us to provide open access to batch testing data beyond simple certificates. Years back, we found that transparency over trace amounts of related phenols, color stability, and potential for allergenic content improved client trust and reduced costly returns. Our technical team takes customer inquiries seriously, running additional analyses or tailoring packaging sizes to specific needs, rather than forcing a “one size fits all” solution.

    Supporting Formulators and Production Lines Worldwide

    In the past decade, markets for 2-Chloro-4-Methoxyphenol expanded from local demand into global supply chains. Domestic production shortages or trade shifts forced us to adopt a more resilient supply strategy. We developed multiple raw material sources, backed by second-tier backup suppliers, so that customers saw smooth deliveries in spite of global disruptions. Every order presented its own challenges, from documentation compliance for regulated markets to customized labeling for rapid traceability.

    Constant dialogue with our clients shaped our understanding. Some prioritize reaction efficiency in pharmaceutical syntheses, focusing on minimal secondary contamination. Others need fast-dissolving grades for cosmetics, where process downtime costs more than raw material. By capturing direct feedback and sample return data, we shaped our production and packing to better align with the specific expectations of global buyers. These aren’t abstract priorities; each comes from years of hands-on troubleshooting, fielding urgent calls, and visiting customer sites to see their lines in action.

    Practical Solutions for Everyday Production Issues

    A lot of problems reach our technical support line, ranging from product crystallization during storage to residues following formulation. Direct troubleshooting helped us identify the root causes, often traced back to poorly managed temperature fluctuations or use of “old stock” sitting past shelf life. We found that investing in more robust insulation during shipping, and offering smaller package sizes, reduced these complaints. For particularly vulnerable users—small labs with no cold storage—we devised more compact pack formats designed for short-term use.

    From a chemical manufacturer’s angle, these solutions grew from listening to those who apply our material. We never regarded feedback as an inconvenience; it remains a driving force behind our investment in both staff training and equipment upgrades. Our site runs routine customer simulations, where our chemical engineers run the product through actual production steps mimicking those reported by our clients. This type of “real world” check allowed us to confirm that new batch modifications—say, grind size or filtration upgrades—show clear benefits before rolling them out for full-scale production.

    Meeting New Regulatory and Environmental Challenges

    Global chemical regulation rarely stands still. In recent years, compliance standards for residual solvents, heavy metals, and trace impurities tightened considerably. No manufacturer escapes this landscape unchanged, and 2-Chloro-4-Methoxyphenol production is no exception. We rebuilt much of our purification workflow to capture and recycle solvents, cutting back on emissions and reducing energy costs. Where the law calls for documented absence of specific impurities, we not only collect those numbers but keep full traceability back to original production runs.

    Some markets introduced restrictions on chlorinated compounds due to environmental concerns. We responded by documenting all effluents, upgrading site containment, and engaging third-party auditors to certify emissions mitigation efforts. Clean production isn’t theoretical; it affects the very streets outside our facility. Local communities hold us to higher standards than any external auditor, fueling ongoing improvement in waste management and emissions control. Such environmental practices flow directly into product quality, since cleaner production means fewer surprises in our chemical.

    Continuous Improvement: Lessons Learned Over Time

    One myth persists in the chemical industry: that making a stable batch once locks in success forever. In truth, every batch is part of a longer learning curve. Equipment ages, raw material suppliers shift, and staff turnover brings both fresh eyes and unforced errors. Our plant records reflect a rich timeline of small but important changes—each one logged, discussed, and tested. Years of these adjustments create tangible improvements for our users: a slightly brighter product color achieved through extra-fine carbon treatment or a more consistent melting point found after optimizing agitation speed.

    Constant vigilance pays off. By tuning sensors on our reactors, we catch abnormal pH swings or temperature jumps before they affect quality. Monthly team reviews of production logbooks brought many small process tweaks, each one shaped by real events, not theoretical targets. We learned to spot patterns from client complaints, identifying the distinctions between single-batch glitches and emerging trends. Long-term supplier relationships ensure stable ingredient quality, but we always keep secondary sources on notice for times of market volatility or force majeure events.

    Facing Future Challenges in the 2-Chloro-4-Methoxyphenol Market

    Market interest in 2-Chloro-4-Methoxyphenol shifts as product innovation and consumer expectations evolve. Clients invested in “clean label” products increasingly ask about the source and environmental footprint of each raw chemical. We share audit trails and process details, often opening our plant for virtual tours or providing reports on waste and emissions. These changes call for more open communication, not just technical expertise. Chemists now double as advisors, translating regulatory updates and sustainability factors into practical options for buyers.

    Technology also keeps us on our toes. Advanced analytical instruments turned former “gray zone” impurities into measurable targets. What passed as acceptable ten years ago would encounter heavy resistance now. This led to upgrades in chromatography and spectrometry equipment, bringing sharper resolution to both our own QA inspections and external audits. Daily work keeps us grounded in reality—chemical production always comes with hard edges where business, science, and human factors meet.

    Summary: Experience as the Best Guide

    Looking back on years of making, refining, and supplying 2-Chloro-4-Methoxyphenol, the product feels less like just another code and more like a shared project between manufacturer and end user. Chemical manufacturing never fits into neat templates; it rewards perseverance, careful observation, and a willingness to adapt each process for new realities. Every improvement—whether a tighter granulation window, a cleaner distillation, or a new pack size—came from swapping theories for test results, handling finished goods, and listening carefully to what customers and colleagues actually saw on their own lines.

    For us, 2-Chloro-4-Methoxyphenol remains a symbol of what hands-on chemical production stands for: patience in the face of setbacks, pride in every successful batch, and an endless drive to do better by those who trust their own products to our material. As the regulatory, technical, and market landscape keeps changing, we stay committed to refining the process, listening to client priorities, and making sure that our next batch matches the last not only in quality, but in the confidence it inspires.