| HS Code | 299077 |
| Cas Number | 62-73-7 |
| Molecular Formula | C4H7Cl2O4P |
| Molecular Weight | 221.98 g/mol |
| Iupac Name | O,O-dimethyl O-(2,2-dichloroethenyl) phosphate |
| Synonyms | Dichlorvos, DDVP |
| Appearance | Colorless to amber liquid |
| Boiling Point | 140°C at 13 mmHg |
| Melting Point | -60°C |
| Density | 1.415 g/cm³ at 20°C |
| Solubility In Water | Miscible |
| Vapor Pressure | 1.2 mmHg at 20°C |
As an accredited O,O-Dimethyl-O-(2,2-Dichlorovinyl) Phosphate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging is a 500 ml amber glass bottle with a secure cap, hazard labeling, and clear identification: O,O-Dimethyl-O-(2,2-dichlorovinyl) phosphate. |
| Shipping | O,O-Dimethyl-O-(2,2-dichlorovinyl) phosphate, commonly known as Dimethoate, must be shipped as a hazardous chemical. Transport in tightly sealed containers, labeled according to UN 2783 (toxic, organophosphorus pesticide, liquid), using appropriate secondary containment. Ensure compliance with international and local regulations (IATA, IMDG, DOT) and provide Safety Data Sheets (SDS) during transit. |
| Storage | O,O-Dimethyl-O-(2,2-Dichlorovinyl) phosphate should be stored in a tightly sealed container, kept in a cool, dry, and well-ventilated area away from heat, sources of ignition, and incompatible substances (such as strong oxidizers). Store away from food and drink. Clearly label the container and restrict access to authorized personnel only. Protect from direct sunlight and moisture to maintain chemical stability. |
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On the production floor, O,O-Dimethyl-O-(2,2-Dichlorovinyl) phosphate gets the attention it requires to reach high purity consistently. Over time, hands-on experience has taught our technicians that attention to real details, such as raw material moisture control and precise pH adjustment during synthesis, makes all the difference. Accuracy matters at each step, and we run batch-to-batch analytical checks to avoid contaminants and byproducts that can interfere in downstream applications. The reason we emphasize these process decisions comes not just from lab theory but from years of having to address the factors that can cause product drift or customer headaches.
O,O-Dimethyl-O-(2,2-Dichlorovinyl) phosphate—often referenced in the industry for its insecticidal utility—owes its effectiveness to carefully balanced phosphorus and chlorine elements. The two chlorine atoms on the vinyl position differentiate this molecule from simpler organophosphates, offering more robust interaction with enzyme systems in agroscience and public health projects. You get a material with moderate volatility, predictable solubility in standard organic solvents, and a manageable safety profile in skilled hands.
Years in chemical manufacturing shape how we define specifications, and customer feedback often pushes us to improve. Typical technical-grade material runs above 98% purity by GC with total impurities well tracked. Water and acid values remain tightly controlled, aiming to keep hydrolysis byproducts at negligible levels. For clients requiring extra assurance, we conduct extra purification steps. These may include distillation under vacuum and additional scrubbing agents to cut down on trace phosphorus acids. No two orders play out the same, so each batch gets real-time adjustment, not just a copy-and-paste protocol.
Over the decades, research groups and end-user companies have chosen this compound not for bulk volume, but for reliable reactivity and broad-spectrum activity in pest management. Stability during shipping and storage remains a priority, and among all organophosphate structures, O,O-Dimethyl-O-(2,2-Dichlorovinyl) phosphate holds its own against temperature swings under typical warehouse conditions. This robustness supports our clients in challenging geographies. From hot subtropical farms to cold storage depots, the product's integrity endures, which reduces inventory loss and unexpected callbacks considerably.
Scaling from kilogram to ton production uncovers complications textbook chemistry seldom predicts. In the early days, particle control, micro-contaminants, and batch exotherms demanded long nights and plenty of troubleshooting. Early on, filter blockages and sporadic chromatographic tailing threatened consistency, while small variations in batch temperature could lead to unanticipated side reactions. Over time, we invested in continuous process monitoring systems, integrating advanced in-line infrared and chromatographic sensors. Operators gained actionable insights, reducing error rates and improving reproducibility. The experience convinced us that plant design and operator training matter as much as reaction chemistry itself.
A chemical like this deserves respect when handled in industrial volumes. Everyone on the manufacturing team undergoes regular hands-on safety training, using real chemical transfer systems and exposure control lessons, not just training videos. We maintain sealed lines and negative pressure zones to keep airborne releases in check. Waste streams receive neutralization before leaving the facility, a policy that meets local and international guidelines without question. Our process engineers constantly tweak the system to minimize off-spec or unreacted phosphorus byproducts, targeting environmental compliance at its root.
Among phosphorus-based pesticides, the molecular structure influences environmental fate and toxicological profile more than most newcomers realize. The unique dichlorovinyl group on this molecule not only moderates its acute mammalian toxicity compared to simpler methyl phosphates but also tunes its breakdown in soil and water. Competing products often show sluggish breakdown or leave behind problematic residues. Our molecule achieves a balance that meets targeted activity but leaves less persistence—a property valued not just by regulators but by growers aiming to avoid carryover issues. Application teams on the ground keep reporting that off-target effects are less pronounced with this type of chemistry than some of the organochlorine or pyrethroid alternatives.
No catalog or datasheet can replace direct conversation with chemists, formulators, and users. Over the years, being the manufacturer means getting calls on unexpected cloudiness in tank mixes, sudden product darkening under certain lighting, or shifts in viscosity during winter storage. Clients send us samples, then our technical service chemists analyze and return results or recommendations grounded in firsthand process knowledge. Our answers draw not just from literature, but from trial runs, archived plant data, and decades' worth of formulation experiments. Feedback improves our filtration protocols, helps us select antioxidants for better shelf-life, and has even led us to revise packaging to reduce photodegradation in specific climates.
Every chemical manufacturer has stories about the fight against variability. Climactic changes, shifts in raw material purity, or even a subtle issue in a supplier’s plant can set off a domino effect. During peak demand years, we learned tracking batch genealogy and test results prevents surprises. We analyze feedstock to parts-per-million, adjusting feed rates or reactant ratios dynamically. Our infrastructure supports real-time monitoring at critical points, not just at batch finish. Practically, this means customers report fewer out-of-spec shipments and more reliable downstream blending, even when raw material markets get tight.
Feedback from agricultural extension teams and commercial pest-control specialists has played a central role in refining our product line. Several seasons ago, a shift to newer adjuvants in crop treatment highlighted incompatibilities in older formulation recipes. Through close work with partner research sites, we trialed modified versions of O,O-Dimethyl-O-(2,2-Dichlorovinyl) phosphate with reduced solvent load, allowing more flexibility in tank mixtures. Deployed across several crop zones with varying humidity and temperature, the new formulation reduced crystal outgrowth and solved leaf spotting reports. These trials reinforced the value of collaborative feedback loops in bringing chemistry from lab to field.
Chemical shipping involves much more than sending sealed drums out the door. Early in our scale-up phase, a few batches experienced product thickening during long transits across high-temperature regions. These incidents led our logistics team to develop partnerships with transporters using temperature-controlled containers for routed summer shipments. Later, we revised our standard packaging, adding light-blocking liners and vapor-tight seals to suppress evaporation and photolysis. These logistical lessons get written into our standard operating procedures, not just filed as incident reports. Each shipping improvement reduces the risk of field failures and supports clients reaching regulatory and efficacy targets.
In technical circles, debate over the merits of specific organophosphates continues to this day. On the production side, what sets O,O-Dimethyl-O-(2,2-Dichlorovinyl) phosphate apart sits in its reaction balance. While compounds based on ethyl or bulkier alkyl chains present manufacturing and downstream formulation headaches, the dimethyl group gives a manageable boiling point and consistent kinetics for most synthetic targets. Long-chain variants show unhelpful separation traits, causing frequent phase issues in practical mixing situations. Some alternatives also raise detection and compliance complexity due to tighter residue and toxicity benchmarks.
Supervising warehouse inventories across climates, we find out quickly which chemicals stand the test of time. Customers storing O,O-Dimethyl-O-(2,2-Dichlorovinyl) phosphate for a season or more rarely report precipitation or container corrosion, thanks to our control over residual acidity and solvent compatibility in packaging selection. We track real-world shelf lives based on returned samples and ongoing stability studies, minding any trends in color shift, clarity loss, or viscosity swings. Prompt responses to these changes lead to adjustments, either by modifying the quench phase in production or by refining recommended storehouse protocols for our largest partners.
Every year ushers in new expectations for chemical stewardship and transparency. Our facility welcomes regular audits from both local authorities and third-party groups, and these sessions push us to document and improve every aspect. From solvent recovery to energy management, our sustainability strategy grows by learning from daily manufacturing realities. Consistent with the new global direction, we phase out non-compliant packaging and steadily replace energy-intensive process steps with cleaner alternatives. Regulatory dialogue remains ongoing—with our technical experts sitting down with policy reviewers to reconcile data, streamline reporting, and ensure compliance before regulatory burdens reach our downstream partners.
Being a core manufacturer means direct accountability when things go wrong and sharing satisfaction with every successful application. We don’t rely on distant feedback loops: our quality system picks up the phone, tracks every client-reported irregularity, and breaks down protocols until the root cause becomes clear. Customer innovation inspires us. Requests for improved packaging, or for finely tuned versions to support new pest species or climatic challenges, lead our R&D team to rethink traditional routes. We adapt process routes, introduce fresh purification options, and offer batch-specific technical advice, connecting field realities with laboratory advances in real time.
Market needs evolve fast, and staying ahead involves not just technical expertise but willingness to adapt manufacturing approaches to emerging trends. As integrated pest management and resistance management strategies develop, our production team invests in ongoing application trials. We collaborate with agricultural research stations to understand new resistance patterns and continually run lab simulations to test molecular tweaks. Where regulations shift, we review our compliance files, prepare the data, and propose adaptations—whether in emission controls or in cleaner routes to the target structure. By linking current application insights to ongoing process refinements, we position our O,O-Dimethyl-O-(2,2-Dichlorovinyl) phosphate for tomorrow’s field conditions, and that’s a responsibility we take to heart.
Decades in chemical manufacturing bring an appreciation for the subtleties involved with every product lot. Our senior technicians pass on hands-on lessons that don’t appear in textbooks—from agitation rates and order of addition, to recognizing the signs of a premature endpoint in complex multi-stage reactions. Attention to detail, willingness to correct errors early, and a commitment to root-cause analysis shape every container we deliver. The result? End-users report fewer issues, regulators know what to expect, and field outcomes remain predictable. This collective experience—built over years, not months—gives customers confidence in both routine and more specialized uses of O,O-Dimethyl-O-(2,2-Dichlorovinyl) phosphate.
Being the actual producer offers tangible advantages for customers. Our technical service teams have unrestricted access to manufacturing data, so they respond to inquiries about analytical results, trace contaminants, or application hurdles by consulting with the original lab or production supervisor. These collaborations shorten problem-solving cycles and deliver practical, solution-focused advice. Innovations in formulation or handling—for example, new adjuvant blends or dispensing methods—come not from vague theory, but from tried and tested experiments under our roof. That’s why many formulation scientists and agricultural practitioners keep our technical hotline close at hand for troubleshooting and product development.
From synthesis and purification to shipping and on-the-ground use, O,O-Dimethyl-O-(2,2-Dichlorovinyl) phosphate stands out due to tailored, experience-driven control at every step. Laboratories receive a chemical with minimal batch-to-batch fluctuation; field application teams report stable dispersal and predictable mixing; storage managers count fewer loss incidents. Each product container carries the cumulative knowledge of a team deeply invested in bridging the gap between industrial production and end-use performance.
Smarter chemistry doesn’t spring from one-time planning but from honest appraisal and ongoing adaptation. For companies and practitioners searching for a reliable, well-understood, and consistently manufactured specialty chemical, O,O-Dimethyl-O-(2,2-Dichlorovinyl) phosphate demonstrates that being close to the source, learning from setbacks, and responding directly to customer realities improves both product quality and long-term outcomes. Our commitment remains not only to today’s crop and pest-control solutions but to evolving alongside customer needs, regulatory changes, and the challenges of modern chemical stewardship.
