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Dichloromethane Fisher
- Product Name: Dichloromethane Fisher
- Chemical Name (IUPAC): Dichloromethane
- CAS No.: 75-09-2
- Chemical Formula: CH2Cl2
- Form/Physical State: Liquid
- Factroy Site: Yudu County, Ganzhou, Jiangxi, China
- Price Inquiry: sales4@ascent-chem.com
- Manufacturer: Ascent Petrochem Holdings Co., Limited
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- Dichloromethane Fisher is typically used in formulations when solvent polarity and evaporation rate and exposure limits must be controlled within specific ranges.
| HS Code | 224186 |
| Product Name | Dichloromethane Fisher |
| Chemical Name | Dichloromethane |
| Synonyms | Methylene chloride |
| Cas Number | 75-09-2 |
| Molecular Formula | CH2Cl2 |
| Molecular Weight | 84.93 g/mol |
| Appearance | Colorless liquid |
| Odor | Sweet, chloroform-like |
| Boiling Point | 39.6°C |
| Melting Point | -95°C |
| Density | 1.33 g/cm³ at 20°C |
| Solubility In Water | 13 g/L at 20°C |
| Flash Point | Non-flammable |
| Purity | Typically ≥99.5% |
| Storage Temp | Room temperature, well-ventilated area |
As an accredited Dichloromethane Fisher factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Dichloromethane Fisher is packaged in a 2.5-liter amber glass bottle with a secure cap and hazard labeling for laboratory use. |
| Container Loading (20′ FCL) | 20′ FCL typically holds 80 drums of Dichloromethane Fisher, each 250 kg, totaling 20 metric tons per full container load. |
| Shipping | Dichloromethane Fisher is shipped in tightly sealed, chemical-resistant containers to prevent leaks and evaporation. It is classified as a hazardous material and handled according to UN 1593 regulations. Shipping includes appropriate labeling for toxicity and flammability, and complies with international, national, and carrier-specific safety guidelines for the transport of dangerous chemicals. |
| Storage | Dichloromethane (Fisher) should be stored in a tightly closed, clearly labeled container in a cool, dry, well-ventilated area, away from incompatible substances like strong oxidizers. Protect it from heat, sparks, and direct sunlight. Store in a flammable liquid storage cabinet if possible, and ensure containers are grounded and properly sealed to prevent leaks and limit vapor exposure. |
| Shelf Life | Dichloromethane Fisher typically has a shelf life of 2 years when stored properly in a cool, dry, well-ventilated area. |
Applications of Dichloromethane Fisher in Industrial Manufacturing
As a direct manufacturer, we supply Dichloromethane Fisher for several core industrial sectors where it performs critical roles tailored to precise production processes. The following sections outline concrete downstream applications, including compliance standards, formulation ratios, integration stages, and target end products.
1. Pharmaceutical Active Ingredient Extraction
Pharmaceutical manufacturers incorporate Dichloromethane as an effective solvent for isolating and purifying complex active pharmaceutical ingredients (APIs), especially where high selectivity and low boiling point are required. Operators rely on its rapid solvent evaporation characteristics to maximize process efficiency during pre-crystallization and washing steps. The material’s compatibility with stringent cGMP environments supports compliant large-scale batch operations, minimizing cross-contamination risk and solvent residues in sensitive pharmaceutical workflows.
Industry compliance standards
- USP (United States Pharmacopeia) monographs for residual solvents
- ICH Q3C (R8) – Impurities: Guideline for Residual Solvents
- EU GMP Volume 4 Annex 15 (Qualification and Validation)
- 21 CFR Part 211 – Current Good Manufacturing Practice for Finished Pharmaceuticals
Typical usage ratio
- Ranges from 2–10 parts per 1 part of crude API, depending on solubility of the specific molecule; precise ratio determined by validation batches and recovery targets.
Downstream process integration
- Introduced during initial extraction, followed by solvent partitioning and filtration phases; removed post-purification by controlled evaporation and vacuum drying prior to formulation for finished dose.
Final product types
- Crystalline APIs for tablet, injectable, and capsule pharmaceuticals
- Purified intermediate compounds for peptide synthesis
- Pharma-grade bulk substances for further formulation
2. Polycarbonate Resin Production
Polymerization facilities employ Dichloromethane as both a reaction medium and a cleaning agent during polycarbonate synthesis operations. Its chemical stability and immiscibility with water enable accurate phase separation and resin precipitation, vital to consistent polymer molecular weight and clarity. The compound also facilitates de-agglomeration during slurry handling and helps ensure minimal carryover in the finished resin.
Industry compliance standards
- ISO 9001:2015 Quality Management Systems for resin manufacturing
- ASTM D3935 – Standard Specification for Polycarbonate Resins
- REACH (EC 1907/2006) Registration for chemical handling
- UL 746C – Polymeric Materials Use in Electrical Equipment Evaluations
Typical usage ratio
- Employ 5–20% by weight of batch monomer input as process solvent; volume adjusted based on polymer chain length target and batch scale-up factors.
Downstream process integration
- Charged at the initial interfacial polymerization stage and present during resin washing steps; recovered for distillation and recycling after resin precipitates.
Final product types
- High-impact polycarbonate pellets
- Transparent optical-grade sheets and films
- Blends for automotive and electronics applications
3. Fine Chemical Synthesis and Reaction Medium
Dichloromethane serves as a selective reaction medium in custom synthesis for fine chemicals, delivering rapid dissolution rates and controlled volatility to prevent undesired side reactions. Producers value its solvency profile for Grignard, Friedel-Crafts, and acylation reactions, reducing byproduct formation and aiding in post-reaction workup. This application supports specialty chemicals manufacturing under strict process control.
Industry compliance standards
- ISO 17025:2017 – Testing and Calibration Laboratories
- Chemical Manufacturing Control (CMC) Documentation, FDA Guidance for Industry
- REACH (Annex II) Chemical Safety Assessment
- Local chemical emissions and waste management regulations (e.g. EU Industrial Emissions Directive)
Typical usage ratio
- Add 10–50% of the total batch volume as reaction solvent, depending on solute concentration and temperature; adjusted for exothermic profile and desired reaction kinetics.
Downstream process integration
- Fed as the primary solvent at the start of synthesis, enabling fast mixing and dispersion; stripped out during separation, followed by residual trace removal in downstream purification.
Final product types
- Specialty intermediates for agrochemicals
- Halogenated building blocks for API contracts
- Advanced dye precursors
4. Foam Blowing Agent for Rigid Polyurethane Manufacturing
Rigid polyurethane foam panel and block manufacturers integrate this material as a physical blowing agent, exploiting its rapid vaporization under process conditions to create closed-cell structures with high insulation performance. Production lines adjust metering to manage foam density, curing time, and structural strength, enabling consistent downstream lamination or machining. Its use requires rigorous quality checks to ensure low residual content in panels.
Industry compliance standards
- EN 14315-1 – Thermal Insulation Products for Buildings
- ASTM D1622 – Standard Test Method for Apparent Density of Rigid Cellular Plastics
- ISO 17025 for internal laboratory test controls
- EU REACH Regulations for classified blowing agents
Typical usage ratio
- Blowing agent dosing of 8–15% by total weight of the polyol system; manufacturers fine-tune within this band to balance insulation rating and compressive strength.
Downstream process integration
- Injected into high-pressure mixing heads alongside polyol and isocyanate flows; vaporizes during exothermic expansion, then mostly removed during curing oven step.
Final product types
- Insulated construction panels
- Refrigeration unit foam blocks
- Pipe insulation shells
5. Degreasing and Metal Surface Cleaner in Precision Engineering
Precision engineering firms utilize Dichloromethane’s solvency for high-throughput degreasing lines, removing machining and forming lubricants from steel, aluminum, and complex alloys prior to electroplating or coating. Tight vapor degreaser controls enable rapid cleaning cycles and defined residue testing, reducing rework rates and ensuring adhesion performance for subsequent finishing applications.
Industry compliance standards
- SAE AMS 1525 – Cleaning Compounds, Solvent
- RoHS directive (EU 2015/863) for cleaning agent restriction
- OSHA 29 CFR 1910.119 – Process Safety Management of Highly Hazardous Chemicals
- ISO 16232 – Cleanliness of Components of Fluid Circuits
Typical usage ratio
- Typical solvent bath concentration is 100% or diluted with 10–20% stabilizers; actual loading based on equipment turnover and soil load per cycle.
Downstream process integration
- Cycled through vapor or liquid spray chambers after rough machining and prior to surface treatment steps, including electroplating, anodizing, or powder coating.
Final product types
- Precision aluminum housings for electronics
- Automotive and aerospace fasteners
- Medical device hardware
Competitive Dichloromethane Fisher prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8618136850665 or mail to sales4@ascent-chem.com.
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- Dichloromethane Fisher is manufactured under an ISO 9001 quality system and complies with relevant regulatory requirements.
- COA, SDS/MSDS, and related certificates are available upon request. For certificate requests or inquiries, contact: sales4@ascent-chem.com.
Dichloromethane Fisher: A Chemical Manufacturer’s Perspective
Direct from the Production Line: What Sets Our Dichloromethane Fisher Apart
Dichloromethane Fisher has played a vital role in our daily operations for decades. As a chemical manufacturer, we don’t just see this solvent as a product, but as a reflection of rigorous quality control and hands-on expertise. Every drum we produce stands as a result of thorough process control, starting from the raw material sourcing phase right through to distillation and filtration. Over the years, our team has encountered just about every quality obstacle with dichloromethane imaginable, from moisture intrusion to trace contaminant pick-up on the line. We have built a range of protocols specifically to prevent these outcomes.
Our customers notice the difference with Dichloromethane Fisher in laboratory purity, ease of evaporation, and clear documentation accompanying each batch. This isn’t marketing talk—it’s the end result of methodical process design and ongoing investment in both human expertise and automation. Most batches are crafted to exceed common industrial requirements with an assay staying above 99.99%. Many laboratory scientists depend on this quality for organic synthesis, chromatography, and extraction. Production chemists working at scale often share direct feedback about solvent traces in finished products, and our technical staff answers every inquiry with batch data and firsthand information—not boilerplate responses.
Tangibles of Purity: The Model and Specs We Know Best
We routinely run our dichloromethane through fractional distillation columns operating under tightly monitored pressures and temperatures. Our Fisher model is well known for its specification sheets that guarantee low water content, minimal acid levels, and absence of stabilizing impurities. Water content rarely crosses 0.005%, verified not just by Karl Fischer titration, but also by checking with multiple analytical techniques. Acid washes, activated carbon filtration, and constant monitoring for residual stabilizers like amylene have become the practical basics of daily production—these aren’t afterthoughts, but deliberate operations designed from experience.
Some labs require specific trace-level backgrounds for chromatographic work. Years ago, we realized not every “HPLC grade” label on the market truly meets the precision needs of researchers working with sensitive detectors. Our Fisher product aligns with actual customer needs because our own QC labs use it as a benchmark in daily workflows. What we ship is what our own analysts use to calibrate gas chromatography systems, to validate extraction protocols, and to set the noise floor for environmental samples. Every bottle represents the hands-on efforts of chemists and engineers who treat quality claims as promises to keep.
Why Usage Matters More Than Product Claims
Dichloromethane remains a cornerstone in pharmaceutical purification, degreasing, paint stripping, and polymer processing. We hear from specialty chemical companies and small research outfits alike. There’s a persistent misconception—spread mostly by marketers and traders—that anything labeled “Dichloromethane AR” or “Fisher” delivers a uniform performance. Reality looks different on the manufacturing floor. Even tiny process variations create solvent lots with different distillation curves and impurity profiles. We have run internal split-batch studies where only a few degrees difference in column temperature introduces measurable changes in extraction yields for plant alkaloids.
When operators ask us why a certain process gave an unusual chromatogram, we don’t just look at numbers—we review equipment logs, check with the distillation crew, and run extra gas and liquid chromatography checks ourselves. We have learned that “clean” dichloromethane isn’t just about meeting a certificate’s numbers—it’s about confidence for customers putting the solvent straight into synthesis, extraction, or cleaning. Our Fisher product handles repeat heating and cooling cycles, heavy-load evaporations, and demanding organic work without introducing batch-to-batch surprises. The physical integrity and solvent power we build into this line of dichloromethane directly support safer, more predictable processes on the shop floor and in the analytical bench.
Key Differences in the Market: Experience Over Labels
Customers often ask what separates our Dichloromethane Fisher from other well-known brands, asking for clear-cut differences. The answer comes from seeing how quality slips in real-world use. During plant operations, contamination risk lurks at every transfer—whether it’s from line residue or ambient air. Since we make our own dichloromethane, not just re-bottle it, we see and control every step that influences purity—from the small things like final drum rinsing, right through to the atmospheric pressure at filling stations. Traders and resellers typically lack real-time process control or onsite testing, and it shows in later analytical work.
We regularly compare our output with industry samples by running in-house split tests with a range of polymers, natural products, and active pharmaceutical ingredients. In closed-loop distillation, we keep solvent residue from creeping above 0.01%. Earlier in our process design, we learned the hard way that even “trace” peroxide formers disrupt certain synthetic routes—even if their concentrations sit well below the legal reporting thresholds. For that reason, our Fisher line gets subjected to regular UV-Vis and MS checks for trace impurities. Over years of doing this, we have adjusted protocols so our dichloromethane consistently decolorizes and stabilizes under the intense conditions required for both R&D and production applications.
Supporting Real-Life Chemical Workflows
In years past, customers argued that solvent purity made little difference in bulk extractions or degreasing lines. With stricter regulatory environments and smaller margin for error, today’s manufacturers—ourselves included—know that unexpected impurity peaks during active pharmaceutical ingredient synthesis can shut down entire production runs. As the manufacturer, we have invested directly in building in redundancy: double-layer filtration, redundant moisture traps, real-time sensors along the process line, and a fleet of trained operators who review each critical control point. We take surface cleanliness, drum compatibility, and shipping seal integrity as parts of the chemical process itself—not as afterthoughts for the logistics team.
Every week brings stories from customers juggling compliance measures and productivity targets. Environmental health and safety reports now scrutinize not just major solvent mishaps, but also minor volatility events and cross-contamination. Our work today incorporates direct customer insights. Several years ago, we ran a production batch that passed internal QA, but downstream partners flagged trace formaldehyde issues traced back to a batch of raw material from a new supplier. That incident led us to revise both testing thresholds and vendor selection models—putting us in a stronger position to catch outlier events early and maintain dependable quality.
Continuous Improvement Drives Practical Value
As manufacturers on the ground, we see both the daily grind and the long-term stakes of making dichloromethane right. Any short-term slip in solvent quality shows up in real process costs—yield losses, extra purifications, increased waste, and more frequent cleanup steps. Our tight feedback loop with customers—ranging from fine chemical outfits running kilo-scale synthesis to universities handling microgram extractions—means our product doesn’t hide behind generic specs. Direct conversations with synthetic chemists, pilot plant engineers, and regulatory officers have forced us to develop layered controls and always consider the human factor behind the solvent drum.
Most critical feedback we hear centers on the subtleties: the rare but persistent haze in a concentrated extract, a temperature-sensitive impurity band, a surprising residue after evaporation. Our batches earn their reputation by showing near-zero presence of these unpredictable factors, batch after batch. Aggressive internal sampling and split line comparisons keep our team on edge—no batch leaves until every lot number matches performance expectations internally. Working with dichloromethane at scale gives our technicians deep intuition for telltale scents, boiling patterns, and thermal response; that’s not something you can replicate from a sales brochure.
Technical Experience Backs Every Shipment
Large-scale dichloromethane production teaches plenty about limits and trade-offs. High-purity units demand sharp investment in energy and stricter quality control—costs that many brokers simply don’t face. By keeping every operation in our own facilities, we cut down contamination risk and document every step for future root cause analysis. Many suppliers rent out space or fill on contract; our team mixes experience with hands-on responsibility, creating a feedback-driven process. From the first distillation run to the last drum sealing, every operator knows his or her actions tie straight into end-user results. We capture, track, and review all deviations, with a focus on shipment traceability.
On the rare occasions when a customer detects an off-spec result, our QC department follows a direct, stepwise trace through archived batch records and split-sample reserves. We have built a physical reserve storage just for these events, meaning we can backtrack sample history and process steps regardless of how much time has passed since production. We encourage customers to talk to our technical staff—not a call-center operator—so we get first-hand clues that guide our next round of process tweaks. This personal stake in every batch and every feedback cycle delivers a sharper understanding of what makes dichloromethane work in practice.
Addressing the Major Risks Head-On
Making dichloromethane isn’t just about purity—it’s about safety, both for our staff and our customers. Handling, packaging, and shipping demand constant vigilance for leaks, pressure buildup, and off-gassing. Over years in manufacturing, we’ve overhauled venting, developed rapid-response containment plans, and pre-trained operators for every contingency. These steps aren’t just to check compliance boxes, but to protect our own staff and the technicians on the receiving end. Our approach focuses on stable temperatures during transit, checking capping torques, and using containers built to resist vapor diffusion. We adopted improved batch sealing equipment after seeing a near-miss with overpressurization at a customer site. That same year we rolled out an enhanced training program across all plants, focusing not just on equipment handling but also on rapid incident triage.
We recommend that users running dichloromethane for the first time partner with experienced chemical handlers and invest in adequate protective equipment, including splash-safe eyewear and robust ventilation systems. Every lecture we deliver to graduate students or new plant staff stresses that even highly refined dichloromethane brings inhalation and splash hazards; shoring up basic lab practices matters just as much as solvent purity. Down the line, we share updated SOPs for waste handling and accidental release—their value goes far beyond paperwork.
Sustainability: Confronting Environmental Responsibility
Anyone who makes dichloromethane in volume knows the chemical’s environmental pressures. As direct producers, we feel mounting social and regulatory responsibility—local waste water authorities pay close attention to not just residual solvent content, but the whole hazardous waste stream. We built vapor recovery systems and liquid waste neutralization units to handle rinse and slop from our production tanks. That didn’t come cheap, but skipping those steps creates both legal and reputational risks down the line. Every year, our plant operations team reviews emissions management and secondary recovery opportunities, with a focus on actionable reductions—not just annual reporting exercises.
We invested in better scrubber efficiency and improved leak detection after a regulatory audit highlighted vapor loss. We continue to refine our closed-loop transfer for bulk shipments. Several times, we have collaborated with downstream users on shared solvent recycling protocols. These partnerships help cut virgin solvent demand and support responsible lifecycle management across the value chain. We support changes in best practice by sharing plant-level data with industry working groups and environmental consultants. As regulation grows tougher, we expect solvent manufacturers to adapt—or face shrinking markets and tighter scrutiny.
Technical Support and Partnership
Our team welcomes technical discussions on solvent compatibility for difficult syntheses and process upgrades. Many first-time users aren’t sure whether to choose recycled product or go straight to our bread-and-butter Fisher line. We share what works in real application—like the time a scale-up batch lost nearly 8% yield after the wrong grade of stabilizer-buffered dichloromethane entered an organic phase extraction. After troubleshooting, we traced the misstep to a procedural handover rather than solvent fraud; that batch became a teaching moment for both sides. This openness about problem-solving, supported by data, shapes how we work with customers—from academic researchers trying to nail a tricky separation to manufacturers evaluating the total lifecycle cost and safety equation.
For those working at scale, knowing solvent isn’t just about the initial bill of materials—it’s about ongoing support, real-time troubleshooting, and frank feedback when surprises occur. Our lab teams stand ready to run compatibility checks and recommend storage improvements, helping partners reduce downtime and maintain process quality. We don’t just ship a drum and check out of the relationship; every shipment builds on years of shared technical growth.
Summary: The Manufacturer’s Commitment Runs Deep
From each raw material shipment to the last closed drum, we bring hands-on knowledge, data-driven improvements, and direct accountability to every kilogram of Dichloromethane Fisher. We have spent decades refining both the product and the way we work with the industry. Every challenge faced—contaminant scares, tougher safety rules, new environmental tests—has pushed us to build resilience into every process step. This isn’t abstract devotion to theory, but a real drive to safeguard chemical workflows, support problem-solving, and keep the industry moving forward. Our commitment shows in the way we listen, learn, and adapt—helping customers get results that go well beyond the certificate of analysis.
