Wusu, Tacheng Prefecture, Xinjiang, China admin@sinochem-nanjing.com 3389378665@qq.com
Follow us:



A Closer Look at O,O-Dimethyl-S-(2-Methylthioethyl) Dithiophosphate: An Editorial Commentary

Historical Roots and Product Journey

O,O-Dimethyl-S-(2-Methylthioethyl) dithiophosphate, a name that rarely pops up outside technical circles, tells a revealing story about chemical innovation over the last century. Back in the twentieth century, chemists searched high and low for molecules that could tame pests without wrecking crops or local ecosystems. This class of organophosphorus compounds, which branched out from earlier organochlorine discoveries, addressed persistent pest problems and met agricultural demand. Science grew more ambitious, not settling for simple, broad-spectrum agents; every tweak in molecular structure shaped characteristics such as toxicity, persistence, and interaction with different species. This historical journey turns today's compound into a testament to relentless human effort to outsmart the unpredictable tug-of-war between pests and food security. Through each iteration and reworking came a better handle on how molecules like O,O-dimethyl-S-(2-methylthioethyl) dithiophosphate behave, both in fields and the lab, reflecting not just technical craft but lessons learned from missed marks and environmental blowback in earlier days.

Understanding What Sets It Apart

Every chemical tells its own story through structure. O,O-Dimethyl-S-(2-Methylthioethyl) dithiophosphate houses phosphorus, sulfur, and methyl groups in a configuration that allows it to play roles where others fail. This arrangement grants it functional versatility for pest control, lubrication, and industry. Many users remember the smell of sulfur lingering in the lab, which is common with dithiophosphates. It handles heat and moisture within defined limits, and like similar compounds, the viscous liquid tends to range from yellow to amber, a shade as unmistakable as its sharp, chemical tang. Phosphorus and sulfur do not just sit together by accident; they shape how the compound reacts, breaks down, and interacts with living things. This makes the product a double-edged sword—good for the tasks, risky if mishandled. The way this molecule operates, breaking down under UV or hydrolysis, and forming more stable or volatile side products, influences both field applications and environmental persistence. Compared to simpler organophosphates, the sulfur bridge means enzymes or microbes see a moving target, and that's both a blessing and a hurdle, depending on the context of use.

Delving Into the Manufacturing Process

Preparation of a compound like this never strikes as easy work. Combining phosphorus trichloride with alcohols and controlled incorporation of sulfur compounds under anhydrous, clean-room conditions means chemists keep their eyes fixed on reaction rates and byproduct management. Each batch echoes the careful control of temperature, pressure, and reactant addition rates because unwanted side products show up fast if things wander. Years in the lab and on factory floors teach that achieving high purity becomes more of an art than an exercise in stoichiometry. Dithiophosphate synthesis demands safety consciousness from every operator, as hydrogen sulfide and phosphorochloridate intermediates quickly create health hazards if ventilation and protective procedures lapse. Quality checks must happen routinely, not only for conformance but also to spot impurities that may undermine the product’s behavior or, worse, poison ecosystems if used in the field. Purification through distillation and repeated washing stands as a daily grind for those in the industry, who know contamination by residual sulfur can tip the scales between effectiveness and disaster.

Applications: Reach and Limits

Plenty has been said about how this compound finds use across sectors, but what draws attention is its staying power in agriculture and lubrication. Farmers tried it against stubborn pests where classic solutions failed, and manufacturers blended it with other chemicals to achieve specific crop protection combinations. The molecule's design brings selective toxicity, which gives professionals hope that food can stay safe while pests get handled, but that hope stays in tension with accidental exposures or misuse. In greases and oils, its performance stabilizes under tough mechanical and temperature stress, supporting machinery in ways traditional mineral oils cannot. Lubricant chemists lean on the compound’s ability to form protective films on metal surfaces, stopping wear and corrosion in settings ranging from tractor engines to precision gears. What this means practically: harvests keep coming, and machines stay running, especially in places where other solutions falter. Yet, those same properties that make it useful also pose disposal and run-off issues. Farms using these compounds watch local streams warily, aware that downstream consequences resist easy solutions.

Labeling, Handling, and Day-to-Day Reality

Product labels only hint at the vigilance required with this chemistry. Anyone working hands-on with organophosphates learns that one careless breath or spill can send you straight to the emergency room. Skin exposure and inhalation bring dangers, not just to workers but to local wildlife or pets. It pays to follow storage instructions, favoring cool, dry spots, and keeping chemicals in sealed, correctly labeled containers. Gloves, goggles, and respirators become routine rather than exceptions. On the regulatory front, today's standards exist because yesterday's mistakes cost lives and hurt the environment. Training newcomers means not just handing out the material safety data sheet, but reinforcing what “risk” means: not abstract, not hypothetical, but real and immediate. It's not just about compliance, but about living to see another season, healthy and able.

Chemical Shifts and Reactions at the Core

Dithiophosphates like this do not stand still in solution or soil. Given the right chance, chemical bonds break or swing into new products. In lab settings, hydrolysis steps in and splits the molecule, turning it into a mix of acids, alcohols, and sulfur compounds. What shows up next—sometimes harmless, sometimes noxious—depends on pH, temperature, and the presence of sunlight or living microbes. Industry has tried to nudge the molecule’s modifications to reduce environmental harm, targeting slower breakdown or lower toxicity, but trade-offs persist between stability and safety. Complex reactions between these compounds and metals, especially in engine lubricants, give rise to protective layers on machine parts but also demand management of worn-out fluids. Disposal then means more than a trip to the drain; it involves careful neutralization and often collection for specialized treatment.

Other Names, Same Faces

Chemistry crowds the shelves with alternate names and synonyms: O,O-dimethyl S-(2-methylthioethyl) phosphorodithioate appears among them. Each name points to the same core, just wearing a different badge, based on which registry or system catalogued it. Buying, selling, or regulating these compounds means keeping an eye not just on the main name, but also on Chemical Abstracts Service (CAS) numbers or trade designations. In everyday work, switching between names gets confusing, especially as regulators tighten oversight and demand full traceability across supply chains.

Chasing Safety in a Tough Landscape

Out in the field or the factory, trust comes slowly, especially when handling organophosphates. Regulations today reflect hard lessons, prompted by well-documented poisonings and lasting contamination events. Experienced workers keep first aid kits close, understand the early symptoms of cholinesterase inhibition, and know why frequent medical check-ups matter. Companies can’t ignore ongoing training, not with the stakes involving health, liability, and public trust. Proper engineering controls, like fume hoods and sealed transfer systems, cut down on exposure. Still, even the best protocols sometimes fail when workers become complacent or corners get cut under pressure. Communities near production or use sites deserve transparency about risks, and regular monitoring of air, water, and soil keeps everyone safer. Ultimately, the goal stays the same: make sure short-term gains don’t wipe out long-term health or environmental value.

On the Frontier: Research, Rethinking, and Looking Ahead

The science behind O,O-dimethyl-S-(2-methylthioethyl) dithiophosphate hasn’t run its course. Researchers keep fiddling with the molecule: tweaking side chains, shifting functional groups, and exploring alternative breakdown pathways to come up with safer or more targeted versions. Toxicologists dig deep, not just measuring lethal doses, but tracking subtle effects on reproduction, liver function, and neurochemistry. Long-term studies in rodents and aquatic life highlight unintended consequences, from behavioral shifts to bioaccumulation far beyond the intended targets. These discoveries force both public agencies and private firms to revisit practices, looking for safer application techniques or complete replacements where the risks stack too high. Ongoing innovation takes shape through greener syntheses, employing less hazardous reagents, or even computational modeling, letting virtual testing trim years off product development. For all the talk about “smart agriculture” and “precision chemistry,” it’s these iterative, detail-focused adjustments that protect harvests and communities alike.

Facing Toxic Realities

No one who has spent time around these chemicals sees their risks as theoretical. Organophosphates disrupt nervous systems through acetylcholinesterase inhibition, a process that doesn’t discriminate between a beetle, a bird, or a child. Acute exposure shows up fast—tremors, sweating, difficulty breathing—while chronic, low-dose intake remains harder to spot and more insidious. Facts from toxicology studies underline the compound’s high toxicity in mammals, and environmental monitoring finds traces in soils and waterways close to agricultural sites. Remediation stands tough, requiring more than surface-level clean-up: bioremediation and careful management of application practices emerge as essential tools. Critics rightly question if the benefits remain worth these hazards, driving debate over bans and tighter restrictions. For those in agriculture, the pressure mounts to find alternatives, whether biological controls, newer chemical classes, or integrated pest management strategies that accept lower immediate returns for higher safety margins.

What Comes Next?

The future for O,O-dimethyl-S-(2-methylthioethyl) dithiophosphate and its chemical cousins hangs in balance. With regulatory pressure stacking up—shaped by both science and public sentiment—many producers already pivot to alternatives or phase out old formulations. Vigilant research may deliver safer molecules or clever application systems, but it takes real-world diligence by every link in the chain to adapt and protect workers, users, and the wider ecosystem. Transparency, openness to independent review, and ongoing dialogue with affected communities will become even more important. Robust science, not wishful thinking, must guide decisions about keeping, replacing, or retiring such compounds, because today’s answers shape both our livelihoods and our legacies.




What is O,O-Dimethyl-S-(2-Methylthioethyl) Dithiophosphate (Ii) used for?

Everyday Uses Behind a Complex Name

Chemical names don’t usually sound friendly, and O,O-Dimethyl-S-(2-Methylthioethyl) Dithiophosphate (II) is a mouthful. Yet this compound sits at the crossroads of modern agriculture and industrial lubricants, quietly doing important work.

Farming Keeps Counting on Crop Protection

Farmers often battle relentless insects. To keep their crops healthy and to feed communities, a lot of them turn to organophosphates. O,O-Dimethyl-S-(2-Methylthioethyl) Dithiophosphate (II) is one of those secret ingredients helping many insecticides work. Pesticides using this type of chemical have proven their value by keeping pests in check and improving harvest yields. The World Health Organization lists some organophosphates as effective for controlling malaria by targeting mosquito larvae, and the Food and Agriculture Organization points to higher food production where improved pest control matters.

Beyond Food: A Role in Lubricants

Factories, vehicles, and machines with moving parts must deal with friction and wear. This complicated compound helps in the production of anti-wear additives and extreme pressure agents found in industrial oils and greases. Personally, I’ve seen how failure to protect gears or bearings leads to costly machine repairs. Phosphorodithioate esters, including O,O-Dimethyl-S-(2-Methylthioethyl) Dithiophosphate (II), provide a chemical shield that keeps things running by reducing metal-on-metal contact.

Health and Safety: Responsibility Comes First

Not every tool comes without a tradeoff. Organophosphates can carry health concerns for workers and the environment if handled carelessly. Exposure can affect the nervous system or contaminate water if not managed according to regulations. I remember an extension training on pesticide handling: using gloves, masks, and careful storage practices wasn’t optional. Farmers and technicians can’t cut corners. Precision in mixing, applying, and disposing of products matters. The Environmental Protection Agency and the European Chemicals Agency lay out clear safety guidelines, and abiding by these isn’t just about checking boxes.

Searching for Balance: Reducing Risks

Good stewardship isn’t just a talking point—it’s a lived practice. Modern research keeps exploring greener chemistry and integrated pest management. More types of biopesticides, smarter spraying technology, and targeted use of chemicals minimize runoff and exposure. In factories, closed-loop systems and strict exposure limits help keep workers safe. In my experience, many companies now track every drop that leaves the shop floor, and increased automation helps cut down accidental spills or skin contact.

Looking Ahead: Making Trade-offs Work

Feeding a growing world and keeping industry rolling means making tough calls. Substances like O,O-Dimethyl-S-(2-Methylthioethyl) Dithiophosphate (II) won’t vanish overnight—they play a role in both productivity and risk. Learning to use them wisely, upgrading safety, and investing in ongoing research helps everyone get the benefits without ignoring the costs. To me, that means staying curious and committed, not falling into routine when the stakes involve food, jobs, and health. Big names and complex formulas sometimes end up right under the hood, shaping daily life in ways most of us never see.

What are the safety precautions when handling this chemical?

Respecting Chemicals in the Real World

Big fancy labs and everyday workplaces both rely on chemicals to get things done. I've handled plenty—from thick industrial solvents to run-of-the-mill household cleaners—and the baseline truth looks the same across all those settings: these substances can turn into serious hazards if you don’t give them the respect they demand. Fumes, burns, sudden reactions—none of these risks stay in the realm of theory for long if you skip those basic precautions. The news is full of stories about accidental exposure or leaks from a bit of carelessness.

Reading the Label and Safety Data Sheets

A lot of trouble starts because someone skips over the label or ignores the Safety Data Sheet (SDS). This document holds everything you need—from what protective gear to wear to how the chemical reacts with others. In my own experience, ignoring those warnings leads to skin irritation, breathing trouble, or sometimes even hospital visits. That extra minute reading instructions has saved me more times than I can count. The SDS isn’t paperwork for the sake of paperwork. Facts from the CDC and OSHA back this up; most workplace incidents occur when people don’t follow documented procedures.

Protective Equipment Isn’t Optional

Protecting yourself means using gloves, goggles, and sometimes full face shields, not just “when you feel like it.” Years ago, a splash of concentrated cleaner caught someone I knew right in the eye because he decided goggles “weren’t needed.” He didn’t think about long-term damage until it was too late. Lack of protection causes thousands of workplace injuries every year, according to the Bureau of Labor Statistics. Simple nitrile gloves and closed shoes cut risk down more than half for common acids and cleaning products.

Don’t Trust Your Senses: Ventilation and Detection

Plenty of dangerous chemicals have no strong smell or color. Carbon monoxide, for example, kills quietly, and ammonia’s sharp scent doesn’t always warn you soon enough. Any area with chemicals deserves good airflow. Vent hoods, extractor fans—these tools matter just as much as goggles. A cheap fan and open window at home, or a full-on fume hood in a lab, both do the trick. Some places now invest in real-time chemical detectors, catching exposure early before problems grow.

Storing and Mixing: Watch What Goes Together

Mixing chemicals leads to some of the worst disasters I’ve seen. Bleach and ammonia cleaners create toxic gas—old advice from a grandmother isn't reliable. No one likes looking up storage rules, but labels point out which chemicals stay far apart. I’ve watched one gallon of the wrong mix clear an entire building. Firefighters and poison control see these incidents more often than you’d think.

Real Solutions That Work

Ongoing training stands out as the best defense. Reading a manual once never built muscle memory—walkthrough drills and regular refreshers really save lives. Visual reminders like color-coded labels and posters reinforce habits for both new and experienced handlers. Prompt first aid supplies, like working eyewash stations and emergency showers, cap everything off. No safety rule matters if the right gear sits locked away in a back office.

Thinking Ahead Matters More Than Clean-Up

A little thought and preparation save a ton of pain. Real safety grows from daily practice, not last-minute panic. People who respect chemicals not only protect themselves, but also keep coworkers, families, and the environment safer. Experience has shown me that these truths don’t just protect someone’s job—they keep people alive and healthy.

How should O,O-Dimethyl-S-(2-Methylthioethyl) Dithiophosphate (Ii) be stored?

Making Safety a Daily Routine

Anyone who has handled chemicals like O,O-Dimethyl-S-(2-methylthioethyl) dithiophosphate (Ii) knows that safety is less about grand gestures and more about small, steady routines. Coming from my own work around chemicals, clear rules at the storage level shape everything from personal safety to workflow smoothness. Take this compound—its makeup puts it in a risk zone if treated like an afterthought. Signs of trouble don’t show themselves with warning; instead, bad storage starts a chain that can land someone in the emergency room or in a courtroom.

Keeping It Cool and Dry

Heat changes everything. A room that creeps above 25°C (77°F) can nudge compounds toward degradation or dangerous reaction. That’s how an otherwise quiet warehouse can become a pressure cooker. My old work shed had a thermometer taped to the wall—the kind of low-tech fix that beats forgetting how fast things can heat up. Even a little extra warmth breaks bonds in phosphorothioate esters, which can send fumes into the air or threaten fire. That’s not a lab theory, that’s a Tuesday gone wrong.

Moisture plays tricks, too. O,O-Dimethyl-S-(2-methylthioethyl) dithiophosphate (Ii) won’t act like salt and melt away in water, but humidity can help break it down or kick-start other reactions. A leaky roof once cost my old lab more than one ruined experiment, not to mention months spent scrubbing corners. Humidity catches up in labs and warehouses alike. Keeping stock in a tight, dry space—sealed drums, away from the walls and well off the floor—rules out half the headaches I’ve seen.

Separation Matters

The world of chemicals is social—some get along, others start fights with the slightest contact. This compound reacts with strong acids and oxidizers. I’ve stored stocks on shelves marked red for acid, yellow for oxidizer, and white for everything else, just to avoid anyone reaching for the wrong bottle in a rush. One mistake, and you’re scrambling to contain a spill or worse, a fire. GHS data confirms these risks. As a rule, I keep nitrile gloves and goggles close, since fumes from a spill will burn skin or eyes without mercy.

Direct Experience: Label It Like You Mean It

One day a misread label sent a rookie to the hospital—he mixed one sulfur-heavy product with another thinking they “looked the same.” Bright, honest labeling saves more accidents than any rulebook. Date every bottle, list hazard classes, scrawl the emergency contacts big enough to see while you’re moving fast. People make mistakes. Good labeling can turn an emergency into an inconvenience.

Embracing Accountability and Good Documentation

Rules alone won’t make anyone safer. Supervisors should build habits that last beyond the sign-in sheet. I’ve seen shops without an updated Safety Data Sheet (SDS) on-hand—everyone swears they know the dangers, until panic sets in and nobody’s sure what to do. Staff need monthly reminders: check storage, inspect for leaks, practice spills responses. New hires especially need time and hands-on demos—an hour invested here means nobody’s guessing what to do in a cloud of eye-watering vapor.

Solutions to Persistent Problems

Building a routine stops chaos before it starts. Maintain a climate-controlled space, store away from incompatible chemicals, use crystal clear labeling, and keep documentation printed and available, not just buried online. Make every staff member responsible for checks, teaching the “why” behind each rule. When budgets shrink, duct-taped fixes and reused containers can creep in. I’ve learned not to bend on quality packaging—over time, the cost of one incident will dwarf the price of fresh storage drums.

It’s never just about keeping dust off of shelves. Living with chemicals like O,O-Dimethyl-S-(2-methylthioethyl) dithiophosphate (Ii) rewards people who act like each step is personal. Mistakes hurt real people, not just a bottom line. Care, clarity, and humility turn chemical storage into a daily act of protection—and keep everyone coming home safe at closing time.

What is the chemical structure and formula of this product?

Why Chemical Structure Matters

Every chemical product tells a story through its molecular makeup. The arrangement of atoms, the type of chemical bonds, and the overall architecture determine everything from the product’s physical stability to its safety and effectiveness. Whether working in a college lab or reading the back label of a bottle at home, I’ve seen that knowing the chemical structure isn’t just nerdy detail—it shapes how people use and trust what’s inside that bottle.

How Formula Impacts Function

A friend of mine once worked with a cleaning company that switched suppliers without checking for differences in the chemical formulas of a basic floor detergent. The newer batch reacted differently with their equipment, causing unexpected foaming. The root of the issue traced back to the structure: a minor change in the chain length of a surfactant molecule. This real-life hiccup made it clear that chemical formulas are more than math on paper. They control everything from mixing properties to how the product interacts with materials.

Using sodium chloride (NaCl) as a simple example, the ratio is always one sodium to one chloride. In contrast, something like ethanol (C2H5OH) features a carbon backbone with hydroxyl, which gives it those characteristic properties we depend on for disinfection. Structure directly links to use. Ignoring it can lead to wasted resources and safety hazards.

Trust and Safety Tied to Transparency

It’s not just scientists or engineers who benefit from access to a product’s chemical information. Transparency builds trust with consumers. I remember a public debate in my city about water fluoridation, and opinions changed once the council released details on the actual chemical formula and sourcing. People felt more confident because they could research and understand exactly what was entering their drinking water. Knowledge about the chemical structure reassures folks that due diligence happened before products reach shelves or tap water systems.

The same principle applies in agriculture, food, cosmetics, and pharmaceuticals. In fact, the FDA and international agencies require clear ingredient breakdowns and chemical formulas for any new drug. Only with this information can regulators and consumers make informed decisions about benefits and risks.

Room for Improvement: Accessibility and Education

Often, labels only provide a vague product name or a blend of ingredients, leaving out the precise details of the chemicals inside. This gap makes it tough for people with allergies or specific needs to choose wisely. One way forward involves pushing for simple, digital access to product information. QR codes that link to a reputable online resource with verified chemical structures and formulas could bridge that gap.

Even among those with basic chemistry classes under their belt, structural diagrams and chemical names can confuse. Companies and governments could partner with educators to create straightforward guides and visual aids, making molecular diagrams less intimidating. Accurate, easy-to-understand info helps everyone choose safer, more effective products.

The Takeaway: Chemical Clarity Drives Confidence

Whether you’re buying a household cleaner, filling a prescription, or picking food from the shelf, knowing the chemical structure and formula empowers safer choices. Companies and regulators owe it to the public to be open and clear, not just for science’s sake, but for real-world trust and safety.

What are the environmental impacts and disposal guidelines for O,O-Dimethyl-S-(2-Methylthioethyl) Dithiophosphate (Ii)?

Understanding Its Footprint

O,O-Dimethyl-S-(2-Methylthioethyl) dithiophosphate serves a clear purpose in agriculture and chemical industries—mainly in pesticides and lubricants. Still, its journey from factory to field stirs up a mess of challenges for the environment. Tossing these kinds of chemicals into the ecosystem never turns out well. Soil and water both suffer from even small amounts. Streams and rivers pick up the runoff and carry traces of organophosphates far beyond the intended area. Fish and aquatic insects feel the brunt long before residues show up in larger animals.

Having worked on small farms and watched local water sources change over time, I have seen how invisible residues from chemicals like this one can build up. Frogs and crayfish disappear. Algae blooms choke old swimming holes. Every new pesticide promises to be safer, but nature rarely stays quiet. Research groups and regulators alike point to organophosphates as one of the culprits behind declining insect populations and changes in soil microbes. Once the slick surface of a pond fills with dead bugs or mutant tadpoles, it’s too late to wish the stuff out of existence.

Disposal: The Real Crunch Point

Following labels and safety data sheets always makes sense, yet dumping leftovers in a sewer or landfill puts a burden on wherever those pipes and trucks lead. Regulations do not just nag for the sake of it. Local guides often warn against pouring these compounds down the drain. The risk does not disappear; it shifts downstream. Mixing this chemical with common waste often causes toxic reactions or releases more volatile gases.

The EPA, along with European agencies, classifies dithiophosphates as hazardous—meaning disposal should go only through facilities equipped to handle toxic organics. Incineration at high temperature—usually above 1200°C—remains the best bet for breaking down stubborn compounds without leaving dangerous fragments behind. Landfills designed for hazardous material can handle some of the physical containers, but liquid leftovers need much more careful handling. Anything less turns a small mistake into a community-wide headache.

Why Responsible Disposal Matters

I’ve met people who learned the hard way—by seeing wells contaminated, or pets fall ill—that “out of sight, out of mind” thinking leads to real consequences. Dithiophosphates break down into smaller pieces, but those fragments sometimes pack their own punch. Wildlife biologists have warned about the long half-life of sulfur and phosphorous bonds in these compounds. Keeping them out of groundwater and topsoil ranks as urgent, not optional.

Recycling containers through approved programs cuts down on incidents. Triple rinsing helps, but only if the wash water gets collected for hazardous waste pickup. Burning, diluting, or burying waste outside certified disposal programs isn’t just risky—it’s illegal in most states. Community hazardous waste collections offer an option for small-scale users, while large farms and firms contract with licensed disposal outfits. Making disposal inconvenient but secure may seem like a hassle, yet the alternative often costs more in health care, cleanup, and lost wildlife.

Solutions and Safer Choices

People looking to minimize harm should start by buying only what they will use and keeping chemicals in clearly labeled, locked storage. Education for farmworkers, students, and homeowners about what’s really riding on proper use goes further than just a sheet of safety data. The best approach draws on science, community values, and basic decency—thinking not just about a single season or crop, but about neighbors and future generations.

Safer substitutes inch forward every year. Integrated pest management, organic treatments, and precision chemical use can cut down demand for high-impact options like this dithiophosphate. No one solution fits all, but moving toward lower-risk methods and strict disposal not only protects nature but keeps people out of harm’s way.

O,O-Dimethyl-S-(2-Methylthioethyl) Dithiophosphate (Ii)
Names
Preferred IUPAC name O,O-dimethyl S-(2-methylsulfanylethyl) phosphorodithioate
Other names Methamidophos
Metamidophos
Tamaron
Monitor
Pronunciation /ˌoʊ.oʊ.daɪˈmɛθ.ɪl.ɛs.tuːˈmɛθ.əl.θaɪ.oʊˈiːθ.əl.daɪˌθaɪ.oʊˈfeɪt/
Identifiers
CAS Number 22224-92-6
3D model (JSmol) `load =C1CC(=S)OP(=S)(OC)SC(C)S`
Beilstein Reference Beilstein Reference: 10,798,354
ChEBI CHEBI:38867
ChEMBL CHEMBL197161
ChemSpider 68251072
DrugBank DB11478
ECHA InfoCard 03d1622e-d238-4f38-906d-172932ba9878
EC Number EC 252-747-9
Gmelin Reference 115468
KEGG C18621
MeSH D011006
PubChem CID 124045
RTECS number TC9275000
UNII 49PNC2UF42
UN number UN2783
CompTox Dashboard (EPA) DTXSID7016058
Properties
Chemical formula C6H15O2PS3
Molar mass 306.43 g/mol
Appearance Light yellow transparent liquid
Odor Unpleasant
Density 1.28 g/cm³
Solubility in water Miscible
log P 1.9
Vapor pressure 0.000025 mmHg at 25°C
Acidity (pKa) 1.79
Basicity (pKb) 5.62
Magnetic susceptibility (χ) -74.7 x 10⁻⁶ cm³/mol
Refractive index (nD) 1.5900
Viscosity Viscous liquid
Dipole moment 3.18 D
Thermochemistry
Std molar entropy (S⦵298) 350.6 J K⁻¹ mol⁻¹
Std enthalpy of formation (ΔfH⦵298) -171.2 kJ/mol
Std enthalpy of combustion (ΔcH⦵298) -1126.8 kJ·mol⁻¹
Hazards
Main hazards Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. Toxic to aquatic life with long lasting effects.
GHS labelling GHS02, GHS07, GHS09
Pictograms GHS07, GHS09
Signal word Warning
Hazard statements H302, H319, H410
Precautionary statements Keep container tightly closed. Store in a cool, dry, and well-ventilated place. Avoid contact with skin, eyes and clothing. Avoid breathing vapors or mists. Wash thoroughly after handling. Use personal protective equipment as required.
NFPA 704 (fire diamond) NFPA 704: 2-1-1
Flash point 96 °C
Autoignition temperature 464 °C
Lethal dose or concentration LD50 oral rat: 366 mg/kg
LD50 (median dose) LD50 (oral, rat): 117 mg/kg
NIOSH TE1750000
PEL (Permissible) PEL (Permissible) for O,O-Dimethyl-S-(2-Methylthioethyl) Dithiophosphate (Ii) is not established.
REL (Recommended) 0.2 mg/m³
IDLH (Immediate danger) Not established
Related compounds
Related compounds Dimethoate
Omethoate
Disulfoton
Phorate