Products

AR Dichloromethane 500ml

    • Product Name: AR Dichloromethane 500ml
    • Chemical Name (IUPAC): Dichloromethane
    • CAS No.: 75-09-2
    • Chemical Formula: CH2Cl2
    • Form/Physical State: Liquid
    • Factroy Site: No.70 Danzishi Street,Nanan District,Chongqing,China
    • Price Inquiry: sales2@liwei-chem.com
    • Manufacturer: Chongqing Chuandong Chemical (Group) Co., Ltd
    • CONTACT NOW
    Specifications

    HS Code

    264773

    Product Name AR Dichloromethane 500ml
    Chemical Formula CH2Cl2
    Molecular Weight 84.93 g/mol
    Purity Analytical Reagent (AR) grade
    Appearance Colorless liquid
    Boiling Point 39.6°C
    Melting Point -96.7°C
    Density 1.33 g/cm3 at 20°C
    Cas Number 75-09-2
    Volume 500 ml
    Odor Sweet, chloroform-like
    Solubility In Water Slightly soluble
    Flammability Non-flammable
    Storage Conditions Store in a cool, well-ventilated place
    Synonyms Methylene chloride

    As an accredited AR Dichloromethane 500ml factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The AR Dichloromethane 500ml comes in an amber glass bottle with a secure screw cap and detailed safety labeling.
    Container Loading (20′ FCL) The 20′ FCL container for AR Dichloromethane 500ml accommodates about 8,000-10,000 bottles, securely packed in cartons.
    Shipping AR Dichloromethane 500ml is shipped in a tightly sealed, chemical-resistant bottle with secondary protective packaging. It is transported following hazardous goods regulations to ensure safety during transit. The package is labeled with appropriate hazard symbols and handling instructions, and a Material Safety Data Sheet (MSDS) is included for reference.
    Storage AR Dichloromethane 500ml should be stored in a cool, well-ventilated area away from heat, sources of ignition, and direct sunlight. Keep the container tightly closed and clearly labeled. Store it separately from incompatible substances such as oxidizers and strong bases. Ensure storage in a chemical-resistant, leak-proof container and follow all local safety regulations for hazardous chemical storage.
    Shelf Life AR Dichloromethane 500ml typically has a shelf life of 2-3 years when stored tightly sealed in a cool, dry place.
    Application of AR Dichloromethane 500ml

    Purity 99.9%: AR Dichloromethane 500ml with 99.9% purity is used in pharmaceutical synthesis protocols, where it ensures high reaction yield and minimal by-product formation.

    Boiling Point 39.6°C: AR Dichloromethane 500ml with a boiling point of 39.6°C is used in solvent extraction processes, where it provides rapid solvent evaporation and efficient separation.

    Low Residue Level: AR Dichloromethane 500ml with ultra-low residue is used in analytical chromatography, where it prevents sample contamination and ensures accurate detection limits.

    High Volatility: AR Dichloromethane 500ml exhibiting high volatility is used in surface coating removal, where it accelerates paint stripping and minimizes processing time.

    Stability Temperature -20°C: AR Dichloromethane 500ml stable at -20°C is used for cold storage sample preparation, where it maintains solvent integrity and preserves analyte stability.

    Density 1.33 g/cm³: AR Dichloromethane 500ml with density 1.33 g/cm³ is used in liquid-liquid partitioning, where it optimizes phase separation for target compound isolation.

    Low UV Absorbance: AR Dichloromethane 500ml with low UV absorbance is used in spectrophotometric assay preparation, where it minimizes background interference and enhances assay sensitivity.

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    Certification & Compliance
    More Introduction

    AR Dichloromethane 500ml: Our Practical Perspective as a Manufacturer

    Real-World Value of AR Dichloromethane 500ml

    Dichloromethane, also known as methylene chloride, plays a big part in the day-to-day of many research and industrial settings. In our experience as hands-on chemical manufacturers, we have seen this solvent become a true workhorse for demanding applications. Researchers, labs, and processing facilities consistently look for reliable supply and stable quality. Our AR (Analytical Reagent) grade dichloromethane in 500ml bottles stands up well during extractions, chromatography, and sample preparations, adding practical value for those who require high-grade purity every time.

    Understanding Model and Specifications

    Our AR Dichloromethane comes in practical 500ml glass bottles, ensuring easier handling and measured transfers. AR grade means the purity matches the strict standards necessary for scientific analysis—minimizing the interference that comes from trace impurities. Recent production lots always fall within the accepted ranges for water content, acidity, alkalinity, and common byproducts. We routinely check GC spectra for typical contaminants such as chloroform or formaldehyde, as well as residue upon evaporation, to keep them well below thresholds that could affect typical laboratory reactions.

    Our QC team relies on direct hands-on monitoring—tight control starts from raw material selection, through distillation, down to the packaging. We don’t ship AR product until we’re confident the lot passes simultaneous purity, clarity, and stability checks. Each bottle in this line comes batch-coded for traceability. Feedback from users points out the significance of easy-to-store bottles and reliability across repeated orders; these are small differences that matter over time, especially during comparative analysis or long-term study.

    Usage: Why Laboratories Rely on Consistent Dichloromethane

    We see AR dichloromethane used every day for tasks where solvents can’t add extra variables. In silica gel chromatography, the smallest contaminant in a mobile phase may throw off a run or cause tailing. Extraction professionals trust the consistent volatility of dichloromethane for isolating alkaloids, pesticides, or lipids from complex matrices, where temperature sensitivity could otherwise lead to sample degradation.

    Synthesis chemists, especially those in pharmaceutical R&D, repeatedly tell us about the need for a reliable solvent that evaporates cleanly and works well with sensitive organometallic reagents. AR dichloromethane stays popular because formulas remain stable, giving clean phase separation during liquid–liquid extractions. Organic residue below 1 ppm means no sticky remains on glassware, so setups clean up quickly and subsequent runs face no trace carryover.

    Some customers use dichloromethane for recrystallizations and as a solvent for NMR sample prep. A spectroscopist described running a series of repetitive extractions and found no loss in solvent grade after weeks—evidence of proper storage management and bottle design. Our experience as direct producers has shown, too, that smaller volumes like 500ml limit airborne humidity exposure. Users avoid waste while preventing evaporative losses, which become especially noticeable with volatile materials like dichloromethane.

    Comparing AR Dichloromethane to Other Grades and Brands

    Quality isn’t just about hitting “AR grade” on paper. We know every manufacturer has their own approach, and hidden batch-to-batch inconsistencies can sabotage sensitive analytical work. As direct producers, we make hard choices in purification methods and bottling to avoid residual halogenated byproducts. Lesser research grades—sometimes labeled “Lab Grade” or “Technical Grade”—tend to contain higher water levels or trace stabilizers that affect extraction yields or NMR background peaks. We witnessed one client struggling with streaky TLC until switching to a reliably pure AR bottle, eliminating spots from unknown contaminants.

    Some distributors repackage bulk dichloromethane or sell unbranded bottles. Researchers using these often find drift in boiling point or baseline noise in analytical runs across repeat orders. Being in charge of each production step, we can trace every bottle back to its precise process, giving end-users full transparency. AR grade addresses these risk factors, and 500ml packaging adds further quality—smaller headspace, less chance for absorption of moisture or air-borne acid gases, a frequent worry in longer storage.

    Experienced researchers have shared with us their frustrations over unanticipated byproducts in less controlled grades. For example, anyone using dichloromethane as an HPLC solvent or during electrophoretic destaining learns very fast that “good enough” won’t do. Impurities can mask signals or interact with detector columns. Our material avoids these worries, matching chromatographic purity and volatility tightly controlled with each lot. This is why regulatory labs and pharmaceutical R&D operations, both locally and overseas, often state direct manufacturer supply as a requirement for AR dichloromethane.

    Addressing Sensitive Usage Scenarios: Safety and Handling

    From a manufacturing perspective, we cannot overstate proper handling. Our facility teams spend considerable energy ensuring dichloromethane never comes in contact with heat sources, open flames, or incompatible materials—dry powders, strong bases, or oxidizers. Bottle sizes like 500ml mean end-users handle smaller quantities at any one time, reducing risk in both open benchwork and storage. We’ve revised our bottle sealing techniques repeatedly after external audits to strengthen vapor-tight closures and lower in-transit evaporation.

    Our shipments always arrive labeled for proper solvent storage, and we encourage customers to store dichloromethane below ambient temperature, away from light and out of general laboratory reach. No product leaves our site without full manufacturing traceability, including real-time chemical purity and water content measurements.

    Knowing the hazards associated with dichloromethane, we have also collaborated with clients on spill prevention and recovery workflows. Smaller bottle sizes lead to smaller potential spills, and careful design in grip and neck shape make accidental breakage less likely. We never use compromised glass and train logistics staff to detect even faint evidence of leaks or stress fractures before release.

    Troubleshooting and Real-User Lessons

    We have solved countless problems that start in basic solvent choice. Quality issues often creep into labs through inconsistent supply or unnoticed batch drift. Researchers sometimes blame their reactions, chromatograms, or extraction profiles before considering solvent grade. We often consult directly about these troubleshooting steps. One common solution involves switching to our AR dichloromethane following high background readings or unexpected streaks in TLC. Contrasts in real-world use reinforce the subtle purity differences: tiny increases in halogen content, water, or stabilizer levels can change a result, especially during trace analysis.

    Common user gripes—a solvent not washing away cleanly after workup, evaporative residue, interference with sensitive organics—come up again and again in calls and visits. Instead of rewriting reaction procedures, simply tightening source control and minimizing storage time resolves these issues in most cases. Our direct experience tells us that reliably pure and fresh dichloromethane offers the best prevention.

    Supply Chain Assurance and Traceability

    Being a true manufacturer, we take full responsibility for every liter of solvent before it reaches the market. We never outsource core production steps, and we work closely with raw material suppliers for verification. Our facility keeps detailed production logs to make sure every outgoing batch can be traced back to specific lots of base chloromethane and processing lines. This vigilance builds confidence, especially when supply chain disruptions can introduce questionable imports into the chemical market.

    We carve out buffer inventory of our AR dichloromethane so that research institutions with demanding schedules never experience sudden gaps. In one instance, a sudden spike in demand for pesticide residue analysis led to supply strains across our industry, but our planned production and stockpiling allowed all existing customers to meet project deadlines without any dilution in quality. Keeping the bottleneck on the manufacturer side—and avoiding last-minute substitutions—means fewer surprises in the analytical workflow.

    Continuous Improvement Driven by Laboratory Feedback

    Direct feedback from laboratories shapes our internal quality practices. At one point, we heard about slightly clouded solvent that didn’t show up in our standard optical purity test but was flagged during a user’s high-sensitivity spectroscopy. We responded with tighter in-house screening and increased employee training—changes we now credit for zero customer complaints over subsequent production cycles.

    Routine discussions with users have led us to invest in upgraded cap materials, reducing the risk of cap-liner leaching. We collaborate on bottle changes to support easier pipetting and improved vapor retention. If a lab notifies us about a new usage trend—like custom formulations in GC-MS sample prep—we evaluate whether any minor adjustments to packaging or capping can improve real-world outcomes. This direct channel, only possible due to our role as true producers, keeps our AR dichloromethane as a trusted resource for those who rely on unchanging solvent characteristics.

    Environmental Considerations and Responsible Practices

    We have a front-row view of growing environmental scrutiny around chlorinated solvents like dichloromethane. As chemical producers, we have invested heavily in emission capture, solvent recovery, and safe disposal routes. By controlling our waste streams, reclaiming distillation residues, and training staff on closed-loop transfer, we cut emissions, limit workplace exposure, and lower the broader environmental burden. We supply relevant handling and disposal information to all downstream users and promote the safe recycling of solvent containers.

    Our approach to compliance goes beyond ticking boxes—regular audits, external reviews, and proactive risk management anchor our manufacturing process. While dichloromethane remains effective and necessary for its unique chemical profile, we stay open to process substitutions where equally reliable alternatives exist. We work with partners in industry and academia to explore these new options, but there’s no doubting the current necessity of high-purity dichloromethane for vital research and analytical applications.

    Why Manufacturers Keep AR Dichloromethane in the Lineup

    So many new lab solvents and greener substitutes hit the market, but many replace only one function or work only for certain classes of compounds. Few match the versatility, volatility, and non-polar/medium-polar properties of dichloromethane. Our AR 500ml option continues to see rising orders from pharmaceutical, food safety, environmental, and polymer research labs. Its compatibility with extraction, chromatography, and synthetic pathways secures its role.

    From our manufacturing floor to packaging lines to customer feedback, the pattern remains clear: tight quality control and the right packaging size make all the difference to actual results. We see this validated in customer retention and the fact that our AR dichloromethane routinely features in published research and validated test methods. Over the years, we have responded to evolving laboratory expectations, never compromising on AR grade promises, and supporting the industry’s quest for reliable, pure solvents—batch after batch.

    Looking Ahead: Meeting Future Challenges

    Looking to the future, we see demand consolidating around trusted brands with direct manufacturing roots. Ongoing feedback loops and batch traceability remain front-line priorities. We invest in onsite purity testing and robust logistics so our AR dichloromethane continues to perform at the highest level for critical analytical tasks. As regulatory demands increase and new research technologies emerge, we remain committed to supporting scientists and analysts who depend on solvents with uncompromising consistency.

    Labs push boundaries, and our mission is to enable that work without interruption. By keeping every step of production in-house—starting at the raw input and following through to the last seal on each bottle—we give users the reliability they want with none of the risk that comes from intermediates, substitutions, or uncertain sourcing. Our AR Dichloromethane 500ml stands as the direct result of decades of manufacturing know-how, practical risk management, and deep respect for the chemists who make breakthroughs happen with every experiment.