Nanjing Liwei Chemical Co., Ltd

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Taking a Closer Look at Dimethyl Disulfide: History, Properties, and Where We're Headed

Historical Development

Dimethyl disulfide, often known as DMDS, has a story that stretches back to the late 1800s, tracing its roots in the early days of organic sulfur compound research. Chemists found this compound lingering as a byproduct during the process of isolating volatile sulfides from onions and garlic. In the early industrial period, DMDS showed up more within the annals of chemical isolation and pest control experimentation, rather than commanding major attention as a commercial product. The twentieth century changed this. Agrochemical industries searching for a less volatile alternative to methyl bromide recognized DMDS as a candidate for pre-plant soil fumigation. Laboratories studying the behavior of sulfur compounds in hot petroleum streams also took note. So, by the late 1970s, this simple molecule had carved out its place in petrochemistry, agriculture, and beyond.

Product Overview

DMDS presents as a colorless to pale yellow liquid that carries a sulfurous, almost onion-like smell which lingers even with a tightly capped bottle. You find bottles of it stacked in chemical labs, storage sheds at oil refineries, and facilities preparing soil for high-value crops. Commercially, producers sell it in railcars, drums, and even tote-sized tanks, geared to match the needs of bulk processors and specialized blenders. There's a clear demand for its use as a chemical intermediate, a solvent in industrial synthesis, and a scavenging sulfur source—especially for cracking units in refineries that need a reliable agent to coax out unwanted coke buildup.

Physical & Chemical Properties

The formula CH3SSCH3 hints at DMDS’s simplicity. At standard temperature and pressure, its boiling point hovers near 110°C. Its density sits at around 1.06 grams per cubic centimeter, and it carries a relatively low viscosity, which means pumping and handling DMDS doesn't require special tricks or tools. The molecule remains polar, but with hydrophobic methyl groups, it doesn't mix well with water—yet it dissolves easily in most organic solvents. Flammability is a safety concern: DMDS vapors ignite at 18°C, pushing plant operators to treat this chemical with respect, especially in areas with strobes or sparks. Its distinct odor allows for early leak detection, but it also means anyone handling barrels or pipes cannot ignore proper PPE and ventilation.

Technical Specifications & Labeling

Refineries and manufacturers set clear thresholds for purity, demanding DMDS at 99% or greater for nearly every industrial application. Impurities, mostly methyl mercaptan or related sulfur compounds, pile up in parts-per-million levels and can harm catalysts or taint end products. Product lots carry batch numbers, production dates, and a safety diamond that warns of flammability and toxicity. Storage instructions urge cool, ventilated, and spark-free environments since the compound forms explosive mixtures with air. Most industrial packages bear the UN 2381 label, alerting shippers and users to potential hazards across all points in the chain.

Preparation Method

Large-scale DMDS production relies on the oxidation of methanethiol. Factories feed methanethiol and controlled air through reactors set at moderate temperatures. Catalysts—typically iron or molybdenum-based—help direct the oxidation mostly toward the disulfide instead of forcing the reaction to the sulfoxide or sulfone. This pathway provides a highly concentrated product which only needs essential purification, usually through distillation and washing, before shipping. Many companies have optimized their batch timing and heat recovery to minimize waste and cut emissions—a sign of how even legacy chemicals face constant scrutiny and process improvement.

Chemical Reactions & Modifications

DMDS undergoes a range of transformations. In refineries, it cracks in the presence of steam to produce hydrogen sulfide, which helps regulate the coke build-up on catalyst surfaces. Scientists also use it to passivate metal surfaces, protecting refinery equipment against corrosion by forming a monomolecular sulfur coating. Laboratory scale reactions include nucleophilic substitutions and oxidations—DMDS converts readily to dimethyl sulfoxide (DMSO) or dimethyl sulfone by adjusting oxidant levels and reaction times. In the lab, its methyl groups can detach with strong nucleophiles, while the disulfide bond cleaves under reducing conditions, turning DMDS into methyl mercaptan or more elaborate sulfur heterocycles.

Synonyms & Product Names

Chemists who work in pesticide formulation or petrochemical syntheses often refer to DMDS under various synonyms, such as methyl disulfide or simply “disulfide, dimethyl.” Its IUPAC name remains dimethyl disulfide, which appears on most product labels and certification paperwork. In the agricultural world, proprietary blends containing DMDS hit the market as soil fumigants under trade names unique to each geographic region. Still, the underlying compound hasn't changed: users recognize its odor and reactivity regardless of the package or language printed on the drum.

Safety & Operational Standards

Every operator handling DMDS learns quickly that safety is not optional. Contact with the skin or eyes brings on irritation, and inhaling high concentrations of vapor quickly leads to headaches, nausea, or worse. U.S. OSHA and the European Union set tight exposure limits for airborne DMDS, and major producers supply thorough Material Safety Data Sheets with every shipment. Spill response involves absorbing with inert materials and ventilating the area thoroughly. The use of explosion-proof electrical fittings, spark-free tools, and tight connections on tanks has become standard in storage and transport to prevent the accidental release or ignition of vapors. Companies that process or store it invest in robust training and signage to cut through any complacency, especially given the compound’s pungent warning smell and low flashpoint.

Application Area

Farmers trying to improve crop yield have adopted DMDS as a soil fumigant, breaking up nematode populations and suppressing pathogenic fungi before planting vegetables like tomatoes, peppers, or strawberries. Oil refineries rely on it during the startup and operation of steam crackers and hydrogenation units, introducing DMDS to inhibit coke formation by constantly supplying surface-bound sulfur. Analysts in food quality labs use trace amounts of DMDS as an internal standard or oxidation agent during flavor compound studies. Environmental chemists study its fate in the atmosphere, measuring how sulfur from agricultural fields or oil refineries migrates and breaks down. Over the years, efforts to modulate DMDS’s emissions and off-target effects have spurred innovations in targeted application, better containment, and alternative compounds wherever feasible.

Research & Development

Industrial R&D teams keep searching for ways to trim unwanted byproducts during DMDS production, especially since regulators continue to clamp down on methanethiol emissions and other sulfurous gases. Engineered catalysts with longer lifetimes and higher selectivities have emerged from both academic and industry labs, leading to lower operational costs and cleaner output. Agricultural researchers examine how DMDS pairs with other soil fumigants or biological controls to strike a better balance between crop yield and soil health. Analytical chemists experiment with new detection methods, using advanced spectroscopy and chromatography to measure DMDS residues in complex mixtures, which makes regulatory compliance and quality assurance much easier. The search for alternatives remains ongoing, as DMDS’s sulfurous impact on air quality and its volatility keep academic labs invested in designing next-generation fumigants and refinery additives.

Toxicity Research

DMDS’s distinct smell makes it nearly impossible to ignore even in low concentrations, which, in one sense, protects against accidental overexposure. Toxicology studies dating from the 1970s and 1980s documented how exposure produces short-term symptoms like dizziness and nose or throat irritation in test subjects. Chronic exposure at higher doses led to liver changes in animal models, and, like many industrial chemicals, concerns about long-term inhalation risk and ecological persistence show up in public health discussions and regulatory reviews. Scientists in environmental health tackle questions about DMDS’s breakdown products, especially methyl mercaptan and sulfur dioxide, which can further compound air quality problems if not contained or scrubbed. The community continues to press for improved detection, faster remediation, and stricter limitation on emission levels to mitigate both immediate and cumulative risks.

Future Prospects

Looking ahead, companies are reassessing how DMDS fits into a world more conscious of environmental and safety impacts. Green chemistry pushes for biobased production routes that sidestep toxic byproducts entirely, using biogenic sulfur feedstocks. Advances in digital monitoring and leak detection provide instant alerts in transport and storage, giving operators a long leash on spill prevention and response. Regulators have begun to press for lower application rates in agriculture and for closed-loop systems in refineries, all with the hope of slashing emissions. Research into alternative soil treatments could carve out a more sustainable future for the next generation of farmers. Meanwhile, the legacy uses in petrochemistry and flavor chemistry keep this molecule relevant, always under the watchful eye of safety engineers, plant operators, and scientists working to balance the tool’s unique strengths with society’s growing expectations around health and environmental stewardship.



What is Dimethyl Disulfide used for?

A Closer Look at DMDS in Everyday Uses

Dimethyl disulfide, or DMDS, doesn’t get much mainstream attention. You won’t see it on a grocery store shelf or in ads, but its impact cuts across farming, oil refineries, and even the flavor industry. I’ve met farmers who swear by the stuff, and a few food scientists who watch its levels closely. Most folks never hear about it except for the occasional odor leak, but that’s just one part of the story.

Fieldwork That Starts Below the Surface

Walk through a tomato or strawberry field, and there’s a chance DMDS played a role before any seed hit the dirt. Farmers use it to get rid of nematodes and soil-borne fungi. These pests can wipe out new crops before they get started, and chemicals like DMDS step in for fumigation because older standbys like methyl bromide are off-limits now due to environmental concerns. DMDS breaks down quicker in soil, which makes it less of a lingering threat for groundwater or future plantings, but it still packs a punch against tough pests.

Oil Refineries Count on It

Inside oil refineries, DMDS serves a whole different role. Hydrogen sulfide gas—dangerous and corrosive—forms from breaking down crude oil. Refineries inject DMDS to help control this gas. In my years around refineries on the Gulf Coast, managers explained how DMDS ensures pipes and equipment stay usable, protecting workers along the way. Sulfur-reducing bacteria also cause headaches during oil production, and DMDS curbs their activity without the mess of older treatments.

Food Flavors and Smells: A Delicate Balance

Food scientists work with DMDS in tiny quantities to mimic natural flavors found in onions, garlic, and some roasted foods. It’s good at recreating savory profiles, but it’s easy to go wrong—one slip turns an appealing taste into something foul. Food makers monitor exposure closely, since excess carries safety risks and bad smells. In small amounts, though, DMDS weaves into the aroma and flavor tapestry that brings us things like chips or bouillon cubes.

Health and Safety Questions Are Real

I’ve talked with folks who complain about breathing problems after a nearby farm sprayed DMDS. Safety guidelines focus on tightly controlled application, and local and federal rules set limits to keep occupational exposure down. Food flavor labs run tight air handling systems to prevent accidental leaks. Some countries ride stricter than others, and community notification is standard practice where large applications occur. It’s clear the chemical works only when safety doesn’t become an afterthought.

Looking Ahead: Moving Beyond Older Chemicals

With environmental agencies phasing out older, more persistent soil fumigants, DMDS fills a tough niche. Farmers still need effective ways to protect crops, but public scrutiny remains strong. Bringing in better application technology—drip lines, precision-targeting, careful weather tracking—reduces risk to neighbors and workers. In oil, greater automation and leak detection tools have improved safety. Food flavor chemists rely on newer analysis to make sure levels stay safe and authentic.

DMDS isn’t something most people will ever handle, but its footprint runs through more industries, plates, and pipelines than you might expect. Getting it right matters for both productivity and well-being. Honest conversations about safety—paired with ongoing research and stricter controls—offer the most balanced way forward.

Is Dimethyl Disulfide hazardous to health?

Getting to Know Dimethyl Disulfide

Dimethyl disulfide (DMDS) pops up in several places—industry, food flavors, and even in nature. This sulfur compound brings a sharp, garlic-like odor to environments where it’s present. It plays a role in preparing soil for crops, sometimes works as a solvent, and finds its way into industrial cleaning processes. My first real introduction to DMDS happened in a lab during college; opening a sealed bottle released a scent that hit harder than raw onions. The strong smell alone warned everyone to handle it with respect.

Direct Health Risks from Exposure

Breathing in DMDS, even for a few minutes, can leave you with an irritated nose and throat. At higher levels, headaches, dizziness, and nausea follow quickly. The U.S. Occupational Safety and Health Administration (OSHA) lists strict exposure limits because workers in industries using DMDS risk facing these symptoms daily. One study tracked workers in chemical plants and found those exposed without proper ventilation developed respiratory problems, which lingered even after exposure dropped. Skin contact creates its own set of problems—redness, blisters, and long-lasting irritation.

Chronic Effects and the Science behind Them

What’s more concerning, long-term encounters with DMDS may affect the nervous system and major organs. Breathing in small amounts over several years can start to chip away at lung function. Laboratory tests on rodents show that constant exposure causes liver swelling and affects how the kidneys work. While human evidence remains a bit limited, the pattern suggests the danger grows with longer and stronger exposure. Relying on personal protective equipment—masks, gloves, and airtight clothing—makes a real difference in lowering risks, as people working in the agricultural and manufacturing sectors know all too well.

Environmental Considerations

Air quality takes a hit near areas where DMDS gets used often. The smell drifts through neighborhoods, and people complain about headaches and burning eyes. Even wildlife reacts—fish swimming in water contaminated with DMDS develop growth problems and show signs of toxic stress. Luckily, DMDS doesn’t stick around in soil or water for very long, breaking down quickly in the open air. Still, this short life doesn’t erase its impact where accidental spills or leaks happen.

Prevention and Better Practices

Companies handling DMDS should invest in local exhaust systems and better leak detection. I’ve seen workplace cultures change for the better when supervisors champion safety drills and spend money on real training instead of cutting corners. Regular health checks for employees help catch early symptoms before they turn serious. Public agencies—both local and national—need open channels for reporting DMDS leaks and sticking to sensible zoning laws that keep chemical plants away from homes and schools. Community members living nearby want answers and clear alerts if anything goes wrong.

Why Paying Attention Matters

DMDS brings efficiency to agriculture and industry, yet it comes with risks. Learning from those who have handled the chemical—factory workers, farmers, and scientists—shows the importance of balancing the usefulness with the responsibility to protect people. Numbers from the National Institute for Occupational Safety and Health (NIOSH) put DMDS on the watchlist for a reason. Staying safe depends on keeping exposure low and education high, making sure everyone—employee or neighbor—understands what’s on the line.

What is the chemical formula of Dimethyl Disulfide?

Getting to Know Dimethyl Disulfide

Most folks won’t come across dimethyl disulfide, or DMDS, unless chemistry or industry is their bread and butter. Yet this molecule pops up in more places than you’d guess. Its chemical formula, C2H6S2, tells a plain story: two carbons, six hydrogens, two sulfurs. Small as it is, DMDS packs a strong odor—think crushed garlic or onions left out too long, and you’re getting close.

Why Chemical Formulas Matter

On the surface, a formula looks dry, just letters and numbers. Dig a little deeper, and you’ll notice the story it tells. Dimethyl disulfide owes its smell and behavior to that S-S bond, linking two sulfur atoms together like two friends holding hands. Sulfur likes to bond tightly, and that bond creates both the scent and the reactivity. Plants make compounds like this for defense: those strong smells help ward off pests and fungi. Take onions: chop one, and you’re freeing sulfur compounds, including DMDS, that sting the eyes but signal plants’ built-in armor.

Where DMDS Shows Up

In my own experience working with agricultural folks, DMDS often comes up as a soil fumigant. It gets used to clear out nematodes and fungi before planting high-value crops like tomatoes and strawberries. In this regard, the chemical formula’s not just academic—it relates directly to safety practices, application procedures, and legal rules for field workers. Sulfur-containing compounds like this demand respect because they carry risk. DMDS can irritate the eyes, lungs, and skin, and improper handling has led to more than one trip to the emergency room or call to poison control.

Beyond farming, DMDS finds its way into refineries, where it acts as a sulfiding agent. Here, the chemical helps protect catalysts that strip sulfur out of fuels. Without it, gas stations would pump out dirtier fuel, and cities would cough through heavier smog. Most refinery workers—the ones who grease the wheels of modern living—see the practical value, more so than any textbook description ever could.

The Importance of Safety and Sustainability

Having worked in labs, I learned early on that the formula C2H6S2 signals more than just a molecule. The real takeaway lies in knowing how these atoms act. DMDS is flammable. Vapors can travel, sparking up far from the original spill if there’s ignition. Specialists call this a flash hazard, and it’s something safety teams drill into every employee working with bulk chemicals.

Communities living near industrial sites care deeply about chemicals like DMDS. Air monitors pick up even tiny leaks, and regulations have gotten tighter in the past decade. Demand for cleaner, safer alternatives grows with every report of accidental releases or health complaints. In agriculture, new products have started to edge in, but none deliver quite the same punch DMDS brings, which leads to an ongoing search for better solutions.

Looking Ahead

No matter how common or obscure a chemical seems, its formula links to real-world decisions: workplace safety, community health, and the practical limits of current technology. Knowing what C2H6S2 means opens up deeper conversations—around how industry juggles productivity with health and environmental impact, and why the quest for safer substitutes doesn’t slow down.

How should Dimethyl Disulfide be stored?

Recognizing the Risks

Dimethyl disulfide, or DMDS, doesn’t sit quietly on any laboratory shelf. The stuff carries a strong smell, kind of like spoiled cabbage, and can really make its presence known if left unchecked. My experience with various industrial chemicals reminds me how easy it is to underestimate substances like this. One leaky bottle and the entire place smells off for days. More seriously, DMDS can turn dangerous if it mixes with air in high enough concentrations. That’s why a spot with solid ventilation isn’t just nice to have—it’s essential. No one wants to deal with sick employees or a visit from emergency personnel because someone stored it the wrong way.

Keeping Out of Harm’s Way

DMDS doesn’t just stink – it can catch fire with surprising ease. This isn’t just about keeping it away from open flames or sparks. Static electricity builds up, especially in dry environments or where equipment isn’t properly grounded. That sickly odor also means containment is a top priority. I once saw a facility fail an inspection because an unlabeled drum leaked slightly, and the odor immediately flagged it for closer checks. Using proper containers—tight-sealing drums with resistant linings—blocks both leaks and accidental contact. Storing these drums somewhere cool, dry, and shaded from direct sunlight cuts the risk further, because heat ramps up the volatility.

Staying Ahead of Trouble

Anyone dealing with DMDS has to train up. Regulations don’t let workers guess. In my job, safety briefings never skipped over chemicals like this. People must know what a spill looks like, how DMDS acts, and why it’s vital to keep it isolated from incompatible substances like strong oxidizers. Designated storage isn’t just a formality. Separate storage zones for hazardous chemicals create barriers that buy crucial minutes if something does go wrong. The US Environmental Protection Agency and OSHA remind everyone in the industry: these requirements have teeth. Fines and shutdowns follow when corners get cut.

The Role of Labeling and Documentation

A label isn’t just a sticker. It’s a frontline defense. Every bottle, drum, or transfer line containing DMDS needs clear signs. If people know what they’re handling, mistakes drop. It also helps emergency teams find problems faster if something leaks or catches fire. Backing this up, good record-keeping makes sure nobody refills a container without knowing its contents. I’ve come across busy warehouses where one missed record led to confusion and a costly clean-up. Organized digital logs cut through that kind of chaos—every transfer, every use, tracked in real time.

Pursuing Smarter Solutions

Newer facilities line up with automation—closed transfer lines, engineered controls, and continuous air monitoring. These setups spot leaks and send alerts before human noses catch a whiff. Not every workplace can upgrade overnight, but even small steps, like swapping out old drums with corrosion-resistant ones, make a difference. Collaboration remains key. Chemical manufacturers work with supply chains and regulators, ensuring that updates in best practices reach each warehouse, trucking line, and facility on time. Sharing lessons learned, even about minor near-misses, raises everyone’s game. That’s the approach that really keeps people, property, and the environment safe.

What are the safety precautions when handling Dimethyl Disulfide?

Why This Chemical Demands Respect

My first run-in with the sharp odor of dimethyl disulfide always sticks in memory—rotten cabbage wafted through the lab. It sure made me pay attention. This chemical, used in everything from crop fumigation to making flavours, seems pretty common. Yet, just because the task seems routine doesn’t mean safety slips. Dimethyl disulfide can irritate the skin, sting the eyes, and, with enough exposure, do real damage to the lungs. Inhaling the vapors over time risks headaches, dizziness, and worse, so no one should shrug off proper steps before handling it.

Ventilation Holds Real Power

Letting fumes linger in a workspace spells trouble. Working without strong ventilation crowds the air with dangerous vapors. A fume hood or solid exhaust system keeps levels down. Portable fans or cracked windows don’t cut it—this isn’t about “airing out”; fumes hang low and stick around. Proper airflow cuts risk and brings peace of mind. One study from the Journal of Occupational and Environmental Hygiene found that high-efficiency hoods push exposure levels far below legal limits. Shortcuts here can’t be fixed by just opening a door.

Suiting Up Matters

Hands, eyes, and skin get the brunt of spills or splashes. So, gloves mean more than just a box by the door. I always pick nitrile or neoprene over simple latex; these options hold up better against dimethyl disulfide’s stubborn nature. Eye protection, like snug safety goggles, keeps out drops. Lab coats and chemical aprons help cover arms and legs—cotton street clothes do little against seep-through. Even changing out gloves after leaks or tears counts. Every skin and eye exposure goes up with each missed step.

Knowing the Exit Plan

Accidents can rattle even steady nerves. That's why knowing where the safety shower stands, or how to flush your eye at the station, becomes more than just a box checked at orientation. Training matters—I've seen workers who freeze up when an alarm sounds, losing precious seconds. Regular drills turn panic into practice, making emergency gear more than just wall decoration. Early action can mean the difference between a mild scare and lasting harm.

Storage Keeps Risks in Check

Safe storage quiets a lot of worry. Dimethyl disulfide calls for tight, sealed containers made of materials that resist its bite—not all plastics or metals work. It always sits away from strong oxidizers, acids, or sources of heat. Labeling sounds basic, but missed details end up costing time in emergencies. I push for a double-check on ‘empty’ containers too—the fumes linger long after a pour-out.

Clear Waste Disposal

Dumping leftovers or rinse water down the standard sink won’t cut it. Waste needs careful containment and disposal through licensed channels. Many cities treat this as hazardous waste, and for good reason. Mishandling means risking not just individual health, but also wider environmental damage. Records help track quantities and disposal methods—the sort of documentation that stands up in audits and keeps local authorities happy.

Everyone Pulls Their Weight

Respecting chemicals like dimethyl disulfide keeps people healthy, jobs secure, and reputations intact. It’s not about fearing the job, but taking care of the folks doing it. Simple habits, regular training, and plain vigilance mean the difference every shift. In the end, nobody regrets a few extra minutes spent suiting up, ventilating, or double-checking a safety plan. Those steps keep accidents as rare stories, not regular events.

Dimethyl Disulfide
Dimethyl Disulfide
Dimethyl Disulfide
Names
Preferred IUPAC name methylsulfanylmethane
Other names DMDS
Methyl disulfide
Methyldisulfide
Disulfide, dimethyl
Dimethyldisulfid
Dimethylbisulfide
Pronunciation /ˌdaɪˈmiːθəl daɪˈsʌlfaɪd/
Identifiers
CAS Number 624-92-0
3D model (JSmol) `"JSmol" : "CScs"`
Beilstein Reference 1209371
ChEBI CHEBI:35720
ChEMBL CHEMBL14236
ChemSpider 6940
DrugBank DB02462
ECHA InfoCard 100.029.243
EC Number 208-860-7
Gmelin Reference 87838
KEGG C00942
MeSH D003976
PubChem CID 12236
RTECS number OP9650000
UNII N7D7P8A6MJ
UN number UN1161
Properties
Chemical formula C2H6S2
Molar mass 94.20 g/mol
Appearance Colorless to pale yellow liquid
Odor disagreeable garlic-like odor
Density 1.062 g/mL at 25 °C
Solubility in water slightly soluble
log P 1.77
Vapor pressure 3.46 kPa (at 20 °C)
Acidity (pKa) 37.7
Basicity (pKb) Dimethyl Disulfide has a pKb of 12.7
Magnetic susceptibility (χ) -32.0·10⁻⁶ cm³/mol
Refractive index (nD) 1.527
Viscosity 0.849 cP (25°C)
Dipole moment 1.96 D
Thermochemistry
Std molar entropy (S⦵298) 172.1 J·mol⁻¹·K⁻¹
Std enthalpy of formation (ΔfH⦵298) -84.6 kJ/mol
Std enthalpy of combustion (ΔcH⦵298) -635.0 kJ/mol
Hazards
GHS labelling GHS02, GHS06, GHS09
Pictograms GHS02,GHS06
Signal word Warning
Hazard statements H226, H302, H315, H319, H335, H400
Precautionary statements P210, P261, P273, P305+P351+P338, P309+P311
NFPA 704 (fire diamond) 2-4-0
Flash point '29 °C'
Autoignition temperature 215 °C
Explosive limits 1.1 - 19%
Lethal dose or concentration LD50 oral rat 190 mg/kg
LD50 (median dose) LD50 (median dose): 260 mg/kg (oral, rat)
NIOSH KN7175000
PEL (Permissible) PEL (Permissible Exposure Limit) for Dimethyl Disulfide: "0.5 ppm (parts per million) as an 8-hour TWA (OSHA, ACGIH)
REL (Recommended) REL (Recommended Exposure Limit) of Dimethyl Disulfide is "0.5 ppm (1.9 mg/m3) TWA".
IDLH (Immediate danger) 150 ppm
Related compounds
Related compounds Methanethiol
Dimethyl sulfoxide
Dimethyl trisulfide
Carbon disulfide
Hydrogen sulfide