Diethyl Disulfide: Digging Deeper into a Sulfur Compound with Many Faces
Historical Development
Diethyl disulfide has roots in those early days when organic chemistry still felt like alchemy — people mixed and heated unknown mixtures, trusting their noses and unsteady glassware. Chemists first stumbled upon this molecule after playing with ethanol and sulfur. Its rotten, onion-like odor caught attention well before its industrial uses did. By the time the turn of the 20th century rolled in, production methods grew sharper: distillation equipment improved and analytical tools revealed more about what was bubbling in the test tubes. During the expansion of the chemical industry in the last century, diethyl disulfide moved out of the lab and into larger reactors. Refinery chemists recognized its usefulness, and so did those fiddling with insecticides and solvents. The learning curve was steep, but the lessons stuck, especially among teams working out how to separate similar sulfur derivatives in batches big enough for commercial need.
Product Overview
Diethyl disulfide belongs to a family of simple organic disulfides, famous for their sharp smell and unique reactivity. Its formula sits at C4H10S2, and anyone in the lab has likely recoiled from a misjudged sniff. This compound doesn’t show up naturally in isolation, but a glance through a list of industrial chemicals uncovers it alongside its close cousin, dimethyl disulfide. Production scales range from grams in research settings to tons for bulk chemical manufacturing. It serves as a bridge between raw sulfur and endless downstream chemicals. No one uses it for its fragrance, but many rely on its chemical spirit to help modify other molecules or serve as a reference standard.
Physical & Chemical Properties
Diethyl disulfide flows as a colorless to pale yellow liquid. It carries a density of about 1.01 g/cm3, which means it floats only a little heavier than water, but it definitely separates and layers in most accidents. Its boiling point hits around 151°C — hot enough for easy distillation but not so high that basic equipment struggles. This molecule packs a vapor pressure that can creep up in a warm room, driving off fumes that sting the eyes and nose. It doesn’t dissolve well in water, but organic solvents welcome it. Flammability matters a lot: open flames and static sparks carry obvious risks. Chemically, its twin S-S bond sets it apart. That sulfur-sulfur link breaks and forms under the right coaxing, making diethyl disulfide a favorite for redox reactions and sulfur transfer processes.
Technical Specifications & Labeling
Suppliers typically sell diethyl disulfide at purities of 98% or above, always with a specification sheet that reads like a medical report. You’ll spot CAS number 110-81-6, EC 203-897-9, and UN number 3336 for shipping. Safety labels stomp out ambiguity: GHS pictograms for flammability, toxic risks, environmental threats all show up. Packing requirements follow international codes, as leaks not only waste expensive product but produce strong odors that linger weeks later. Storage containers need to shut tightly, and labeling must warn about both inhalation risks and the potential to irritate skin. In a lab, glass bottles with PTFE liners work best, and technicians check for leaks more than once.
Preparation Method
Making diethyl disulfide starts with ethanol and elemental sulfur. One reliable route runs ethanol with concentrated acids or strong oxidizers to yield ethyl mercaptan (ethanethiol). At that point, bubbling oxygen or using mild oxidizing agents encourages the thiol groups to link up, forming the S-S bridge of diethyl disulfide. Some methods skip the ethanethiol, using sodium ethyl sulfate and sodium polysulfide, especially on the industrial scale. It’s all about controlling ratios and conditions — too much heat or acid can decompose the product or push the reaction to unwanted byproducts. Skilled operators favor slow, temperature-controlled additions and rigorous distillation. That’s how they pull product from the ugly mass of sulfurous residues, not letting the stench spoil more than necessary.
Chemical Reactions & Modifications
Diethyl disulfide stands out for its ability to shuffle sulfur atoms between molecules. Reducing agents like lithium aluminum hydride snap the disulfide bond, forming ethanethiol. Under oxidative stress, say with strong halogens or ozone, it breaks down further or forms sulfonic acids. In organic synthesis, this compound serves as a mild source of sulfur, enabling formation of thioethers and even more elaborate derivatives. Many use it to introduce sulfur atoms in pharmaceuticals or specialty chemicals, thanks to its predictable reactivity and the fact that most reactions can be steered toward specific products depending on what else sits in the flask.
Synonyms & Product Names
You won’t always see “diethyl disulfide” printed on a bottle. Synonyms include “ethyl disulfide,” “1,1’-dithiodiethane,” and sometimes abbreviated as DEtD. Product catalogues list these, especially if they serve multiple countries. In French-speaking markets, “disulfure de diéthyle” turns up. Chemical suppliers often cross-reference these names, as researchers and plant managers sometimes default to whatever they learned first. Chemical Abstract Service (CAS) and European Community (EC) registration numbers help keep everyone on the same page, even amid language barriers.
Safety & Operational Standards
Working with diethyl disulfide takes discipline. Inhaling a few fumes means more than just discomfort: it can leave one nauseous or light-headed for hours. Proper ventilation remains a non-negotiable. Gloves, goggles, and coats go on before opening a bottle, and waste always leaves in tightly-sealed containers. Fire risk can't be underestimated — the liquid’s flashpoint means no open flames or uncontrolled sparks nearby. Emergency procedures teach staff how to stop spills and dodge vapors. International chemical safety standards — like those set by OSHA and REACH — guide everything from maximum exposure limits to how accidents get handled. In large-scale operations, continuous monitoring for leaks and proper carbon filtration prevent neighborhood complaints about the smell, which neighbors notice long before official sensors trigger alarms.
Application Area
The uses for diethyl disulfide keep growing. In refineries, it acts as a model compound for understanding sulfur in hydrodesulfurization research. The agrochemical industry leans on this molecule to develop soil fumigants and insecticides. Synthetic chemists choose it to build more complex sulfur-containing molecules — vital in flavors, fragrances, and even pharmaceuticals. It doesn’t leave residues in foods, thanks to its volatility, making it attractive for indirect roles in food chemistry. Environmental scientists sometimes use it to simulate the behavior of volatile sulfur compounds when tracking industrial emissions. Academic circles respect it for training students, thanks to its straightforward synthesis and clear, if pungent, properties.
Research & Development
Over the past decade, research has stretched diethyl disulfide’s roles. Scientists push to swap out more hazardous sulfur chemicals for it in select syntheses, as its byproducts break down more easily in treatment facilities. Analytical method development — especially gas chromatography — depends on this compound as a reference standard. Some innovation in green chemistry aims to use biocatalysts or engineered microbes to produce diethyl disulfide from renewable ethanol, potentially lowering production cost and environmental impact. Pharmaceutical research studies its action as a precursor for bioactive thioethers that affect enzymes tied to disease. Research labs still find new pathways for modifying its structure, which could tweak stability or open doors for completely fresh uses.
Toxicity Research
Animal studies reveal that diethyl disulfide can irritate the respiratory tract, eyes, and skin. Swallowing or inhaling large amounts can stress the central nervous system, leading to headaches, confusion, or even convulsions. Chronic exposure studies identify risk of organ damage in both animals and people, especially if ventilation falls short and spills repeat over long periods. Toxicologists track metabolites in the body: they break the S-S bond and form reactive intermediates, explaining why repeated exposure over months should never be taken lightly. Safety training programs quote these findings to hammer home the importance of careful handling. Comparisons with related sulfur compounds show that diethyl disulfide occupies the “handle with respect” tier — not the most lethal, but surely uncomfortable even at low concentrations.
Future Prospects
Chemists and engineers won’t stop finding new jobs for diethyl disulfide. Trends in sustainable chemistry mean that industries consider this molecule as a cleaner, more flexible starting point than some legacy sulfur chemicals. Researchers target improved synthesis methods that avoid hazardous reagents and push technologies that trap and neutralize vapors. Environmental regulators ask for greener degradation pathways, so product design now considers end-of-life treatment and recycling. Students surveying the future of sulfur chemistry see diethyl disulfide as a natural candidate for pilot-scale bio-based manufacturing. No one expects the aroma to win it fans, but its chemical utility secures a place in warehouses and labs. Somebody, somewhere, keeps digging a little deeper — hoping to make tomorrow’s reactions safer or more effective using the lessons learned from this humble, odor-rich molecule.
The Smell You Didn’t Expect
Spend a few hours in an onion field, and you might walk away with a strong, somewhat sulfuric odor clinging to your clothes. That’s diethyl disulfide at play, a compound formed in nature as onions, garlic, and other alliums break down. Digging deeper, chemists discovered that this stuff goes far beyond just causing tears and funny smells in the kitchen.
Behind the Scenes in Flavor Factories
Step into any flavor production site making artificial onion or garlic taste, and you’ll probably find diethyl disulfide somewhere in the chain. Food scientists lean on this compound to punch up the notes of processed meals, snacks, and seasonings. Research papers from the International Journal of Food Science back up its role in creating strong, reliable food flavors large companies lean on. Synthetic versions let food manufacturers keep flavors steady year-round, no matter what’s happening in the fields.
Talking About Sulfur in Industry
Manufacturing plants put this compound to work in several processes tied to sulfur chemistry. Chemists use it for making other organosulfur chemicals, many of which end up as part of pesticides, pharmaceutical intermediates, or rubber accelerators. For anyone working in those factories, managing strong smells and handling guidelines matter just as much as output. I recall stories from chemical engineers who keep air filtration systems running overtime, just to make sure work environments stay tolerable.
Lab Work and Science Experiments
College labs and industrial research facilities use diethyl disulfide as a useful tool when they want to test how sulfur bonds behave. It’s not flashy science, but studying reactions with sulfur bridges unlocks new possibilities for synthetic chemistry and drug discovery. I’ve chatted with grad students who spent weeks tracking how this compound splits or combines under different conditions. It isn’t glamorous, yet breakthroughs in this area help build better, smarter drugs and materials.
Environmental Studies: Foul Smells, Real Clues
Environmental scientists sometimes use diethyl disulfide as a marker for pollution or soil breakdown, especially in places where organic matter rots with no oxygen. Tracking this compound helps researchers zero in on how waste decays or how well remediation efforts work on contaminated sites. Back in community college, a teacher used field samples with that unmistakable smell to prove a point about chemical decay in marshy landfills—the lesson stuck with me, because it was impossible to forget.
Staying Safe Around It
Exposure to diethyl disulfide in a lab or factory means taking real precautions. Its fumes can irritate the nose, eyes, and lungs, so personal protective equipment and smart ventilation setups make all the difference. The CDC spells out clear safety standards for handling, storing, and disposing of organosulfur compounds. These steps aren’t just for show—minor carelessness turns a routine task into a serious clean-up job.
What We Can Learn Moving Forward
Chemicals like diethyl disulfide don’t grab magazine headlines, but they teach us a lot about science in everyday moments—from what goes into our food to how environmental cleanup unfolds. Paying close attention to those roles, and learning how to manage risks, keeps workers safer and makes industrial processes smoother. Regulatory watchdogs set tough rules for a reason, and following those lessons in every lab and plant helps everyone avoid bigger problems down the line.
Recognizing What’s Behind the Odor
People who have cracked open a container of Diethyl Disulfide never forget it. The stuff reeks. There’s no other way to describe it. Garlic, onions, sulfur — that overwhelming stench travels fast, setting off fire alarms and evacuating labs. But here’s the thing: the chemical’s real trouble doesn’t end with its assault on your nose.
Unpacking the Risks of Diethyl Disulfide
I remember my first real run-in with this compound. I got a whiff through a closed fume hood and immediately felt my eyes water. The immediate effects — eye and throat irritation, headaches, sometimes nausea — hit fast. That’s not an accident. On a molecular level, Diethyl Disulfide acts as an irritant, and it doesn’t take much to trigger a reaction. People working in chemical plants or students in college chem labs see the hazard labels for a reason.
Breathing this stuff isn’t just uncomfortable; it’s potentially dangerous. Short-term exposure makes you gag or cough, but extended contact increases the stakes. Animal studies point to potential harm for lungs and liver. Too high a dose in a closed space blocks oxygen absorption, pushing people toward dizziness and, in rare cases, more severe outcomes including loss of consciousness.
Real-World Cases and the Importance of Safety
Factories that use Diethyl Disulfide for solvents or in pharmaceuticals adopt strong safety measures. Accidents crop up from spills, leaky storage drums, or bad ventilation. Folks who skip gloves or don’t use masks often regret that decision. I know a colleague who ended up with chemical burns after touching a contaminated valve. The skin and eyes don't forgive you.
Rates of accidental poisoning in industrial settings stay low because regulations matter. OSHA guidelines force bosses to track airborne concentrations, keep proper ventilation, and train employees. Still, slipups happen and usually hit hardest where corners get cut. Public health agencies urge using local exhaust systems and closed transfer setups. These sound technical, but basically, they keep fumes out of your lungs and off your skin.
What We Actually Know From the Science
Toxicity studies show Diethyl Disulfide isn’t the worst thing in the chemical toolbox, but that’s not a free pass. Chronic exposure ramps up risks for organ damage. Direct ingestion causes stomach pain, vomiting, sometimes more severe internal injuries. There’s no reason anyone would eat this accidentally unless leftover residue contaminates food, which happened in a famous case from a poorly cleaned wine tank decades ago. The cause? Lousy hygiene and even worse oversight.
Environmental hazard is another angle. Spilling this into streams or soil threatens fish and other wildlife, especially small species that can’t filter out the poison. It lingers in the environment and doesn’t break down quickly. So regulations extend beyond just human workplace safety.
Improving Chemical Safety and Reducing Harm
The core lesson from years around hazardous chemicals is simple: respect the labels, double-check the rules, report suspicious smells early. Companies that invest in personal protective equipment see far fewer incidents. Regular leak checks and training save lives. Scientists develop better substitutes for especially gnarly chemicals. Some labs have already phased out Diethyl Disulfide for less toxic alternatives.
Respecting these lessons matters because accidents don’t announce themselves. They show up in burning eyes and sick coworkers. Each step to contain Diethyl Disulfide means fewer regrets later, in both labs and neighborhoods. Safety wins out over shortcuts every single time.
Breaking Down the Basics
Many of us come across chemical compounds in daily life, even if we don’t realize it. Diethyl disulfide stands out, not just in labs but in food, workplaces, and the environment. Its chemical formula is C4H10S2. This formula packs in four carbon atoms, ten hydrogen atoms, and two sulfur atoms—nothing overly mysterious, but it’s got some kick to it when you look a little closer.
What Sets Diethyl Disulfide Apart?
I remember catching the smell of onions once while walking past an industrial site. Turns out, that distinctive, almost garlicky scent comes from organosulfur compounds like diethyl disulfide. It's present in things like garlic and onions, but also makes an appearance when certain chemicals break down in manufacturing or combustion. Food science leans on this molecule for flavor creation, and chemistry labs rely on it as a building block for bigger reactions.
Health and Safety Concerns
This isn’t the kind of compound you want to carelessly breathe in or spill on yourself. The odor hits your nose easily, which helps warn you, but exposure can irritate the eyes, nose, and throat. Chronic or heavy exposure sometimes tampers with the central nervous system. Agencies like OSHA and NIOSH have flagged it, setting exposure limits to help people stay safe. I’ve always respected these guidelines because it’s so easy to forget the long-term risk while focusing on the task at hand.
Real-World Uses and Challenges
Companies use diethyl disulfide in creating pesticides, solvents, and even as an intermediate for pharmaceutical manufacturing. Its strong odor is sometimes helpful: leak detection often benefits from a chemical you can smell from a mile away. The flipside includes disposal headaches. Dumping this stuff into the environment can harm aquatic life, since sulfur compounds linger in water and soil much longer than some folks realize.
Learning from Experience
Early in my career, I worked around barrels labeled with unfamiliar names. I learned quickly that asking questions and studying chemical formulas wasn’t just bookish—it’s about preventing accidents. Diethyl disulfide has a simple formula but impacts safety in ways you might not expect. Keeping charts with molecular formulas and properties on hand has saved more than one lab mishap from turning serious.
Improving Practices for a Safer Future
Safer storage and better labeling go a long way. Teaching people to pay attention to chemical formulas makes a difference. Using personal protective equipment (PPE), improving ventilation, and keeping spill kits close are habits worth building. Some workplaces have swapped hazardous compounds with safer alternatives where possible—a good move in my book. Governments and scientists keep updating regulations to reflect new findings, which means staying informed is a job that never really ends.
Moving Forward
Diethyl disulfide might not get the headlines, but it plays a role in food flavor, industrial processes, and chemical research. Understanding its formula—C4H10S2—means more than memorizing letters and numbers; it’s about respecting what we work with and keeping each other safe. Everyone benefits when knowledge translates into daily practice.
Why Storage Really Matters
Diethyl disulfide sits on the shelf as just another clear liquid, but anyone who’s spent time in a chemistry lab knows this stuff isn’t exactly harmless. Its strong, unpleasant odor catches attention quickly, and it’s flammable. Small mistakes—leaving a cap loose, setting the bottle near a heat lamp—don’t just make for a bad smell in the air, but they can cook up safety headaches nobody wants to face. Storage isn’t only about following rules. It’s about looking out for the people who work around these chemicals and making sure nothing unexpected ends up on the evening news.
Handling the Basics: Safety First
Every bottle and drum of diethyl disulfide deserves a spot where heat and direct sunlight don’t push it toward its flash point. I’ve seen labs tuck volatile solvents away from windows and far from any equipment that throws sparks. Keeping it cool slows down its urge to vaporize, cutting down the risk of breathing in those strong fumes or, worse, finding out just how easily it catches fire. Fact sheets and safety data always press the point: store in a well-ventilated area. Letting vapors linger never did anyone a favor. Chemical-resistant shelves or cabinets, if possible, help dodge corrosion or contamination that can happen over months of storage.
Keep It Sealed, Keep It Simple
Leaky containers turn safe storage into a mess in a hurry. Years in industrial labs taught me to double check caps and closures every single time. Flammable storage cabinets have saved businesses from disaster more than once. A simple act like labeling bottles and writing the date received can make sense of old stock and keep folks from accidentally reaching for out-of-date or degraded material. Skipping this step opens up confusion, especially in busy environments where turnover happens often.
Avoiding Common Pitfalls
Mixing diethyl disulfide with strong acids or oxidizers kills any sense of routine. These combinations can trigger reactions with heat and fumes—never a pleasant surprise. Store it far from such chemicals. Too many accidents start when two incompatible substances wind up side by side, especially in cramped supply closets or shared spaces. Taking ten minutes to organize shelves could save a warehouse from costly cleanup or a call to emergency services.
Meeting Regulations Without Playing Catch-Up
OSHA and fire codes set clear guidelines for handling flammable chemicals like diethyl disulfide. I’ve watched teams get in trouble simply for ignoring these rules, facing fines and downtime that nobody budgets for. Fire inspectors look for ground-level storage, spill trays, and proper ventilation. Missing these details isn’t just a paperwork issue; it’s what separates a routine inspection from a major citation. Referencing the latest safety data sheets and keeping training current sends a strong message that safety doesn’t get brushed aside for convenience.
Solutions That Actually Work
Good storage is less about fancy equipment and more about building simple habits. A locked chemical cabinet, away from sunlight, on a metal or chemical-resistant shelf, takes care of most trouble before it starts. Employees trained to double-check caps and segregate chemicals by hazard class know what’s at stake. Spill kits and clear procedures keep accidents from turning into emergencies. Regular reviews and a common-sense layout just make day-to-day work smoother, safer, and a lot less stressful.
Understanding the Risks
Diethyl Disulfide doesn’t make headlines, but anyone who’s worked around it recognizes its sharp, garlic-like odor long before seeing the label. This chemical pops up in organic synthesis and sometimes in industrial solvents or flavors, but its main headline is safety. Breathing in fumes brings coughing, headaches, and sore eyes. Skin contact burns and irritates. Inhalation in high amounts can knock you off your feet. There’s no ignoring how quickly things go sideways if folks get careless.
Essentials for Personal Protection
Gloves shouldn't be an afterthought. Nitrile or neoprene block this stuff, and if you’ve ever tried latex, you know it doesn’t cut it. Lab coats or dedicated coveralls save your clothes from damage, but more importantly, protect your skin. Splash goggles become your best friend—once you’ve seen that splash spread across the bench, you never want it in your eyes. Respirators with organic vapor cartridges earn their keep in cramped labs or with big batches. Forget a cheap dust mask; it won’t stop volatile fumes.
Ventilation and Storage
A working fume hood changes the game. Fume hoods keep vapors away from your lungs, especially if spills happen. If you’re in a spot without engineered ventilation, even cracked windows and fans give some breathing room—but nothing beats a real chemical hood. At the end of the day, Diethyl Disulfide goes in sturdy, clearly labeled bottles, always in a cool, well-ventilated place. Store it with other organosulfur compounds, away from acids, oxidizers, and sparks. Too easy to forget: vapors from this chemical catch fire from open flames or static discharge.
Housekeeping Counts
A tidy workspace sounds like something from a training poster, but I’ve seen enough minor accidents turn major because someone left a bottle uncapped or wiped a spill with a pocket rag. If you get a splash, wash up with soap and water right away. Spill kits with absorbent pads and neutralizers need to stay close. Don’t sweep spills under the bench and hope they’ll dry. Any rags or cleaning materials must go in sealed containers to limit fire risk.
Communication and Emergency Response
Clear labels and updated Safety Data Sheets make life easier for new folks or the forgetful. Emergency showers, eyewash stations, and fire extinguishers only work if everyone knows how to use them and they’re not blocked by boxes or carts. If someone breathes in vapors or gets a splash in their eye, get to fresh air or a water rinse immediately, then seek medical attention. Time makes the difference during emergencies.
Training and Respect for the Chemical
Online videos and formal hazard communication sessions help, but nothing teaches faster than hands-on drills. Watching an instructor walk through spill cleanup or proper donning of goggles sticks in memory. Safety culture grows when co-workers speak up, share what went wrong, and catch small slip-ups before they grow. At the end of the day, giving Diethyl Disulfide respect is earned through experience and care for your colleagues, not blind rule-following. That mindset, plus basic precautions, keeps dangerous events from becoming tomorrow’s bad news.
| Names | |
| Preferred IUPAC name | diethyldisulfane |
| Other names |
Ethyldisulfide
Diethyldisulfide Diethyl disulphide DED Disulfide, diethyl Sulfurobis(ethane) |
| Pronunciation | /daɪˈiːθaɪl ˈdaɪsʌlfaɪd/ |
| Identifiers | |
| CAS Number | 110-81-6 |
| Beilstein Reference | 1207650 |
| ChEBI | CHEBI:35710 |
| ChEMBL | CHEMBL1409 |
| ChemSpider | 7285 |
| DrugBank | DB02709 |
| ECHA InfoCard | 03b5c86b-8016-4def-9b84-1f7a196a3e07 |
| EC Number | 207-841-0 |
| Gmelin Reference | 80996 |
| KEGG | C01460 |
| MeSH | D002949 |
| PubChem CID | 8254 |
| RTECS number | KL8050000 |
| UNII | L92H88EY6G |
| UN number | UN2381 |
| Properties | |
| Chemical formula | C4H10S2 |
| Molar mass | 122.24 g/mol |
| Appearance | Colorless to pale yellow liquid |
| Odor | Unpleasant, garlic-like |
| Density | 1.027 g/mL at 25 °C |
| Solubility in water | insoluble |
| log P | 2.56 |
| Vapor pressure | 3 mmHg (20 °C) |
| Acidity (pKa) | ~21.7 |
| Basicity (pKb) | pKb = 6.7 |
| Magnetic susceptibility (χ) | -46.0×10⁻⁶ cm³/mol |
| Refractive index (nD) | 1.527 |
| Viscosity | 0.751 cP (20°C) |
| Dipole moment | 0.04 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 192.5 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | −123.7 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -1249.8 kJ/mol |
| Hazards | |
| GHS labelling | GHS02, GHS07, GHS08 |
| Pictograms | GHS02, GHS07 |
| Signal word | Warning |
| Hazard statements | H226, H302, H315, H319, H335, H412 |
| Precautionary statements | P210, P233, P240, P241, P242, P243, P261, P271, P273, P280, P301+P310, P303+P361+P353, P304+P340, P305+P351+P338, P308+P311, P312, P321, P330, P370+P378, P391, P403+P235, P405, P501 |
| NFPA 704 (fire diamond) | 1-4-2-W |
| Flash point | 45 °C (113 °F; 318 K) (Closed cup) |
| Autoignition temperature | 215 °C |
| Explosive limits | 1 - 7.5% (in air) |
| Lethal dose or concentration | LD50 rat oral 260 mg/kg |
| LD50 (median dose) | LD50 (median dose): Rat oral 260 mg/kg |
| NIOSH | KK8575000 |
| PEL (Permissible) | PEL: 1 ppm (5 mg/m³) |
| REL (Recommended) | 1 ppm |
| IDLH (Immediate danger) | 150 ppm |
| Related compounds | |
| Related compounds |
Dimethyl disulfide
Dipropyl disulfide Diallyl disulfide Diethyl sulfide |