1-Octadecanethiol: Navigating Chemistry, Industry, and Beyond
Historical Development
Digging into the road traveled by 1-Octadecanethiol, people in the early 20th century hunting for new surface coatings and molecular self-assembly agents began experimenting with long-chain thiols. Chemists realized that sulfur-containing fatty acids showed special behavior on metal surfaces. Inspired by surfactant advances and the need for better corrosion resistance, researchers found natural fats were a good starting point for making alkanethiols like 1-Octadecanethiol. After the 1960s, as microelectronics and nanotechnology expanded, this molecule became a staple for labs interested in self-assembled monolayers (SAMs) on gold—a breakthrough that led to new devices, sensors, and coatings. Several decades of publications stacked up, highlighting how a simple sulfur tail could change the way scientists looked at two-dimensional chemistry.
Product Overview
1-Octadecanethiol stands out in the chemical landscape as an 18-carbon chain anchored by a thiol group. The blend of a fatty moiety with the highly reactive -SH delivers a rare combination: oily hydrophobicity on one end, sticky reactivity on the other. The industry buys it as a pale-yellow to clear liquid, with a persistent sulfur odor that can stick to skin and linger in a bench-side drawer. Producers sell it in a range of purities, with 95-99% grades for research and finer grades for demanding electronics or biosensor work. Businesses keep it bottled under nitrogen or argon to preserve quality, since the sulfur head picks up oxygen and turns into disulfides if left uncapped.
Physical & Chemical Properties
Unpacking its physical features, 1-Octadecanethiol melts around 32°C and boils well past 220°C; the solid feels waxy above room temperature. Its color can drift from colorless to light yellow, depending on storage and purity. Its density hovers near 0.85 g/cm3. Chemists appreciate its rapid vapor pressure drop as temperature falls, which keeps it manageable in open-lab work compared to lighter thiols. The sulfur atom at the end is nucleophilic and strongly active toward silver, copper, cadmium, and especially gold surfaces, where it bonds tightly to create organized layers. This bond strength, combined with its long carbon tail, makes these films robust against many kinds of mild acids and bases, as well as non-polar solvents.
Technical Specifications & Labeling
Reliable suppliers put the compound’s identity at the center of the label: C18H38S, a molecular weight of 286.6. Labels must lay out purity, with analytical and GC data cited for research supply, and hazard warnings for combustible and skin-reactive materials. Labs demand batch numbers and COA tracking, because if a batch oxidizes during transit, the product becomes unreliable. Labels should flag incompatibilities—especially strong oxidizers and nitrous compounds—since the SH group can flip from functional to hazardous in an uncontrolled reaction.
Preparation Method
On the synthesis side, 1-Octadecanethiol usually gets produced from stearyl chloride and hydrogen sulfide or from the direct reaction of stearyl alcohol with thiourea, which routes through a stearyl isothiuronium salt intermediate before acid hydrolysis liberates the free thiol. This path, rooted in classic organic synthesis, balances cost and simplicity. Labs monitoring quality track byproducts through chromatography and spectroscopy, making sure that side reactions—especially the formation of disulfides—stay below detection limits. Less common techniques draw from catalytic hydrogenation or phase-transfer catalysis, but the alcohol-thiourea route sets the norm for bulk production.
Chemical Reactions & Modifications
With its reactive -SH, 1-Octadecanethiol joins a wide variety of transformation reactions. On noble metals, the sulfur atom forms strong metal–sulfur bonds, crafting finely ordered self-assembled monolayers that define modern surface science. In air, slow oxidation heads toward disulfide dimerization, a change that shows up as shifts in NMR or IR fingerprints. Organic chemists build on this skeleton by further attaching headgroups from diazonium salts or through click chemistry, pushing the surface energies and tailoring electronic responses. In cross-coupling or radical addition, the thiol offers itself both as a nucleophile and as a handle for making custom surfactants, lubricants, or drug delivery vehicles. Protecting the thiol with standard groups like acetyl or trityl finds a home in synthesis, particularly where multi-step functionalization demands the sulfur stays quiet until the final step.
Synonyms & Product Names
Shopping for this molecule, the names shift. Besides 1-Octadecanethiol, people might call it n-Octadecyl mercaptan, Stearyl mercaptan, or Octadecylthiol. CAS number 2885-00-9 settles debates in ordering. Some catalogs call it ODT or just C18 thiol. Someone unfamiliar with naming quirks could trip over the distinction between the "thiol" and "mercaptan" forms, but both highlight the same characteristic sulfur group.
Safety & Operational Standards
Handling 1-Octadecanethiol means paying attention. Its scent signals low thresholds, and direct skin contact can irritate. Ventilation curbs headaches and fatigue after long exposure, since minor volatilization drifts through the lab even at ambient conditions. Eye protection and nitrile gloves cap the list for routine bench handling. Storage avoids sunlight, air, and moisture—a dry, cool place with secure lids and, for larger quantities, a flammable materials cabinet. Safety datasheets warn against open flames, and cleanups of spills call for absorbent materials and plenty of ventilation. Disposal fits standard organic waste but also gets flagged for careful tracking due to sulfur’s regulatory attention in the environment. Following REACH and OSHA guidance means safety documents, regular air monitoring, and employee training, especially for frequent users.
Application Area
The real engine that pushes 1-Octadecanethiol is its role in making self-assembled monolayers on gold. These ultra-thin coatings build up in a single layer, changing how metals interact with water, proteins, or nanoparticles. Sensors, microfluidic devices, and antistatic films all come from this starting point. Pharmaceutical companies explore functionalized 1-Octadecanethiol derivatives to control drug delivery rates. Paint and plastics manufacturers turn to it when anti-corrosive or hydrophobic coatings need to hold up under weathering. In electronics, 1-Octadecanethiol smooths out surface charge, blocks unwanted reactions, and helps push molecular electronics from concept to prototype. Across research, its presence kicks off new tests on surface energy, particle dispersion, or biocompatibility, making it a backbone for trial and error in dozens of disciplines.
Research & Development
Every year, new publications widen the gap between what’s possible in a textbook and what’s proven in the field. Labs chase tighter control over the monolayer’s order, using environmental controls and analytic methods like XPS, AFM, and IR spectroscopy to see how 1-Octadecanethiol lines up on surfaces. Hybrid approaches—blending stearyl thiols with shorter or functionalized chains—create gradients, islands, and patterns that open doors to novel biosensor arrays and smart materials. Reliability jumps once researchers understand how air, temperature, and contaminants twist the final film arrangement. Companies blend academic breakthroughs into pilot products, and patent filings show a steady climb as teams tweak chain lengths, branching, and endgroup chemistry to meet tightly defined tasks. In the process, 1-Octadecanethiol anchors more than pure theory; it bridges questions in biology, clean energy, and next-generation electronics.
Toxicity Research
Concerns about persistent chemicals drift into anything with an -SH tail. 1-Octadecanethiol, while less volatile than shorter thiols, still claims attention for its eye, skin, and respiratory irritation. Chronic exposure in animal studies links the compound to inflammation and tissue changes, especially at higher doses or in poorly ventilated spaces. Environmental data points to low water solubility and slow breakdown, prompting long-term monitoring. Calls to minimize discharges and improve waste handling mount, since sulfur compounds contribute to broader regulatory headaches related to odor and aquatic toxicity. Research continues to clarify thresholds and what levels workers can safely tolerate on a daily basis. This feedback shapes safety guidelines and the push toward even safer analogues.
Future Prospects
Looking ahead, 1-Octadecanethiol keeps gathering momentum in micro- and nanoscale fabrication. As the line blurs between biology and electronics, its role in biocompatible coatings, adaptive surfaces, and diagnostic chips only grows. Companies pour funding into advanced patterning techniques—atomic layer deposition, lithography, or inkjet surface functionalization—all with 1-Octadecanethiol somewhere in the ingredient list. Researchers are starting to map greener syntheses using renewable feedstocks, aiming to lower environmental burden and make recycling practical. High-throughput robotic screening sifts through libraries of similar molecules, but this compound’s blend of affordability, chemical robustness, and historic familiarity earns it a permanent place in both routine manufacturing and blue-sky science. New safety and environmental data will keep shaping disposal practices and product formulations, but the basic innovation—the strong, predictable bond of an 18-carbon thiol to a metal or semiconductor—remains a workhorse as nanotechnology advances.
What Sets 1-Octadecanethiol Apart
Some chemicals go unnoticed in the daily news cycle, yet end up shaping the way technology functions. 1-Octadecanethiol is one such compound. This molecule belongs to a group called alkanethiols; it has a long 18-carbon chain attached to a sulfur atom. That sulfur sticks to metals in a way that scientists and engineers find handy. Instead of floating blindly through industrial labs, 1-Octadecanethiol finds real traction in several game-changing fields.
The Backbone for Building Nanostructures
Researchers who dive into nanotechnology rely on precision. At the nano level, every atom counts. 1-Octadecanethiol helps create self-assembled monolayers. These are single layers of molecules that line up tightly on gold or silver, like soldiers at attention. This process lets scientists fine-tune the way surfaces interact with their environment. It reduces corrosion, controls how water beads up, and assists in building tiny sensors—a field that’s exploding in medicine and environmental testing.
Personal experience in a university materials science lab showed just how much smoother it was to coat substrates with this chemical compared to other options. We didn’t see as many defects, and the layers stuck where they were supposed to. Surface chemistry feels abstract, but it touches every device with a circuit board or biosensor.
Crafting Better Electronics and Sensors
Labs focus so much on sensor accuracy these days. Polluted water, diabetes diagnostics, or even rapid virus tests all ask for smart surfaces that connect with the world around them. 1-Octadecanethiol helps form a reliable shield or gate on tiny electrodes. As gold sensors detect chemical changes, this monolayer keeps out stray molecules that would throw off readings.
A study from the National Institutes of Health detailed how this monolayer could boost sensitivity in glucose sensors. With health data now part of daily life, clear signals matter. The technology behind these sensors enters hospitals and, more and more often, people’s homes.
How 1-Octadecanethiol Touches Everyday Goods
It’s easy to overlook the link between specialty chemicals and consumer products. This thioalcohol also acts as a surface treatment for glass or plastics, so products pick up scratch resistance and better adhesion to paints or coatings. High-end optics, solar panels, and even car windshields benefit from these invisible improvements.
Challenges and Responsible Handling
Any benefit-packed chemical demands thought about safety and stewardship. 1-Octadecanethiol isn’t as toxic as heavy metals or pesticides, but carelessness in the lab can lead to exposure through skin or inhalation. Institutions like OSHA and local environmental agencies publish guidelines—following these rules keeps people safe and protects water systems from contamination.
It’s up to the people involved to champion training and push for greener alternatives, or at least ensure that disposal doesn’t foul up natural habitats. Cutting-edge research on bio-based monolayer coatings looks promising; it’s not just about what a chemical can do, but how the whole system impacts health and the earth.
Looking Toward Smart Surfaces
1-Octadecanethiol slips into research journals and specialty suppliers’ catalogs, but its impact jumps out in practice. From smarter coatings to sharper sensors, it fuels innovation that touches lives—often unseen, but always building a backbone just below the surface.
Understanding What Makes 1-Octadecanethiol Unique
1-Octadecanethiol stands out in the world of chemistry because of its long hydrocarbon chain topped with a single sulfur atom. Its molecular formula, C18H38S, quickly tells you a lot. You have eighteen carbon atoms, thirty-eight hydrogen atoms, and one sulfur atom. That formula hints at both its oil-like nature and the single, reactive thiol group that drives much of its chemistry.
In real life, thiols aren’t just found in synthetic labs. They show up in nature, from the scent of skunk spray to certain proteins in your body. But 1-Octadecanethiol, often called ODT among those who use it regularly, is most often used in research settings rather than out in the wild. Its hydrocarbon tail likes to stick to things, especially gold surfaces. That property isn’t just interesting—it changes how scientists and engineers build sensors, electronics, and even medical devices.
Main Roles and Reasons for Value
For anyone curious about why researchers go back to C18H38S repeatedly, it helps to picture its structure. The octadecane backbone makes it almost waxy—water rolls right off it, and it stacks neatly together in flat layers. The thiol end is reactive, forming chemical bonds easily with certain metals, especially gold. Whenever someone sets up a so-called self-assembled monolayer (SAM), they often reach for 1-Octadecanethiol. These layers act like a tightly-packed picket fence on a surface, each molecule linking up shoulder to shoulder. It’s this behavior that creates a smooth, functional coating, perfect for sensitive devices.
A simple molecular formula doesn’t reveal just how impactful this stuff is in practice. Creating a stable, reliable foundation for nanoscale engineering often starts with thiol chemistry. Researchers trying to make faster computer chips or better diagnostic sensors need surfaces that resist corrosion, block water, and interact selectively with other molecules. ODT offers that. Its long tail also blocks unwanted reactions, because only the sulfur end engages directly with metal.
Looking at Health and Safety
Handling 1-Octadecanethiol brings its own set of risks. Like many organosulfur compounds, it comes with a strong odor. Exposure can cause skin or eye irritation, so gloves and goggles are non-negotiable during lab work. Regulations focus on safety data sheets, and it pays to keep all chemical containers labeled and stored away from strong oxidizers. Sometimes the obvious details—use a fume hood, dispose of waste properly—end up helping avoid bigger problems down the road.
Paving the Way for Future Materials
Synthetic chemistry often builds on simple, sturdy molecules. By understanding and applying something like 1-Octadecanethiol, researchers push the boundaries of what’s possible in miniaturized electronics, biosensors, and clever coatings. While the formula C18H38S seems straightforward, its applications show just how much can be achieved from a single, well-designed molecule. Looking ahead, continued research will probably focus on ways to modify or combine thiols like ODT, making materials that work even better for specific challenges in health, electronics, and green technology.
Common Encounters in Labs and Industry
Anyone who’s spent time in a college chemistry lab or a materials research facility might recognize the name 1-octadecanethiol. This waxy solid pops up in conversations about self-assembled monolayers or nanotechnology. In my own academic days, students leaned in with curiosity, wary eyes hovering over its safety sheet — but is it actually hazardous or toxic?
Understanding the Chemical and Its Risks
With its eighteen carbon atoms and a sulfur head, 1-octadecanethiol gives off a faint “rotten egg” odor, thanks to that thiol group. This group alone should catch attention. Anyone who’s accidentally spilled a thiol will never forget the stench, nor the risk of headaches and nausea that may follow from close exposure. Handling any compound with a sulfur-hydrogen bond means dealing with a reactive and potentially irritating substance.
Data from the National Institute for Occupational Safety and Health (NIOSH) points to skin and eye irritation as the leading complaints among those exposed to thiols, and 1-octadecanethiol fits the pattern. Touch this material without gloves and red, itchy skin becomes a real possibility. Getting it in the eyes ups the ante, risking serious inflammation. People tend to overlook chronic effects, but extended skin contact raises the chance of sensitization — meaning every future encounter with thiols could get tougher.
Toxicity: Not as Lethal, but Not Innocuous
A few researchers have argued that 1-octadecanethiol sits on the lower end of acute toxicity, backed by animal studies showing relatively high LD50 values. That means a massive dose must be ingested for poisoning. But “not acutely toxic” never equals “safe to touch, inhale, or eat.” The more insidious harm shows up through repeated low doses, possible organ effects from chronic exposure, or accidental mixing with other chemicals that trigger noxious gases.
For anyone in a manufacturing or research job, inhaling dust or vapors from this thiol can bring headaches, respiratory irritation, or unwanted systemic effects. And it doesn’t mix well with strong oxidizers — one slip with incompatible chemicals risks runaway reactions or fires. That doesn’t sound like the setup you want for a casual lab environment.
Environmental Impact Raises Its Own Questions
Pouring any sulfur-based chemical down the drain invites trouble downstream. Sulfur compounds tend to stick around and disrupt aquatic ecosystems. Aquatic toxicity gathers less research attention for 1-octadecanethiol than for heavy metals, but prudent scientists and responsible managers keep a close eye on waste flows to protect local waterways.
Tackling the Risks Head-On
From my hands-on experience, the keys to safe use boil down to simple habits. Goggles, nitrile gloves, and solid ventilation become standard, not optional. Secure containers with clear labeling cut down on on-the-job accidents. Training helps, but workplace culture builds true resilience — colleagues who watch out for each other tend to catch slip-ups before they become emergencies.
Industry leaders have a role too. Engineers and supervisors can substitute less hazardous molecules for the same applications, if science allows. Automated handling and improved ventilation upgrades pay back in worker health and fewer lawsuits. At universities, I’ve seen sharp safety briefings and practical spill drills forge safer habits than lengthy handbooks ever could.
1-octadecanethiol isn’t the scariest material in the world, but underestimating its hazards amounts to professional neglect. A little respect, some education, and smart procedures close the gap between an interesting tool and an avoidable health risk.
Clarity Matters: Shedding Light on the Substance
1-Octadecanethiol shows up in labs and industries that need reliable self-assembled monolayers or surface modifications. Known to chemists as C18H38S, it offers a straightforward personality: long chain, sulfur at the end, hydrocarbon backbone. Its real value depends on something so basic that it's often overlooked—purity.
Packed With Value—If It’s Pure Enough
Purity anchors the performance of reagents like 1-Octadecanethiol. In my experience working side-by-side with both researchers and product developers, I’ve seen a lot of differences stemming from something as simple as a 0.5% impurity. High purity, often above 98%, proves practical for most advanced work. Trace water, oxidized byproducts, shorter or longer chain impurities—these unwanted extras can derail experiments faster than most realize.
Markets usually offer 1-Octadecanethiol sold as 98% or higher purity. Lower grades tend to bring in trouble for anyone who works in nanotechnology or electronics. For instance, an impure batch could cause faulty monolayer formation, introducing unwanted reactivity, or creating patches instead of a stable layer. Many laboratories routinely request a certificate of analysis, cross-checking infrared spectra and even elemental analysis, because a disappointment here means wasted time, lost money, and broken trust in results.
What Real 1-Octadecanethiol Looks Like
Anyone who has handled this chemical knows the look and feel from across the bench. With a long alkyl chain, it usually appears as a white to off-white waxy solid at room temperature. Scoop a bit out, and it might feel slippery, almost greasy. Sometimes, if stored wrong or made sloppily, it can turn a little yellow—a sign of impurities or decomposition.
The scent isn't pleasant, thanks to the thiol group’s sulfur punch—think of a faint rotten egg smell that clings to gloves. “Keep the bottle closed” becomes the unspoken rule for most lab techs. This practical experience matters far more than what a glossy data sheet might promise.
Experience and Industry Lessons
During one surface chemistry project, our team dealt with inconsistent wettability metrics. Root cause came down to slight impurities left from improper purification steps in the 1-Octadecanethiol. By switching suppliers and demanding full characterization, barriers dropped away and reproducibility shot upwards. It stuck with me that simple routine checks—melting point, TLC analysis, talking with the supplier—keep projects on a smoother course.
Not every lab needs the highest grade, but if you’re searching for quality surface coatings, high purity is non-negotiable. For surface science, coatings, electronics, and nano labs, spending time on quality control produces huge returns.
Fact: Small Details Mean High Stakes
More than once, industry recalls or halted projects trace straight back to a minor impurity in a “well-known” reagent. Quality control teams now request third-party testing or real-time spectroscopy. Research shows the cost is justified—small percentages in impurity translate to losses many times over during scale-up or device fabrication.
As production scales, continuous feedback between buyer and manufacturer becomes vital. The best suppliers offer batch traceability and up-to-date methods, keeping the bar high—and researchers honest.
What Can Work Better?
Transparency between supplier and buyer pays off. In practice, buyers should always ask for more than a data sheet—request NMR and IR data, storage conditions, recent batch details. If the solid arrives yellow or sticky instead of hard and white, that’s a flag worth noticing before it ever touches a critical experiment.
Why Paying Attention to 1-Octadecanethiol Matters
Anyone who spends time working with chemicals knows there’s a thin line between routine lab work and a bad day. 1-Octadecanethiol lands in the camp of “useful but picky,” and I’ve seen what happens when people get careless with it. The smell alone leaves a strong impression—something like a skunk that wandered through a box of tires. Safety with this substance is worth some effort.
Storing 1-Octadecanethiol
Reliable storage starts with a cool, dry spot. Break rooms and offices are out; a ventilated chemical storage cabinet offers real protection. Avoid sunlight and keep it away from heat sources, because this compound can degrade or give off foul-smelling vapors. Moisture brings its own set of problems, causing breakdown or contamination. I remember one summer when a colleague left a bottle near a sunny window. The entire floor had to deal with a lingering odor for days.
Use containers that seal tightly. Glass works best, and the original packaging is usually up for the job. I see people pour chemicals into “temporary” bottles, but they rarely remember to label them. Lost labels invite confusion and mistakes. The label should stay on with clear writing spelling out what’s inside and any hazards.
Handling in Everyday Practice
Gloves and eye protection count for a lot. Nitrile gloves stand up to 1-Octadecanethiol, and splash goggles protect one’s eyes. The liquid sticks to skin and clothing, and the smell can follow for hours. Working in a fume hood keeps vapors away from lungs—a trick I picked up after one cough-inducing shift in a poorly ventilated prep room.
Planning ahead keeps accidents rare. Pour out only what’s needed, and keep spills small. I’ve watched people wing it with open bottles and struggle with spills that could have been avoided by using pipettes or dispensers. Contain small leaks right away using absorbent pads or sand. Dispose of these materials in marked containers—nobody wants to dig into a trash bin and discover a chemical surprise.
Why Direct Disposal and Cleanup Matter
Throwing leftovers or contaminated materials in the regular trash causes more headaches than solving them. This isn’t a compound that belongs in city water systems or compost bins. Your institution’s hazardous waste protocols aren’t just red tape; they keep coworkers, janitors, and the community safer. Most places offer clear steps for chemical waste disposal—follow them, even when it takes an extra trip across campus.
Training and Documentation: No Shortcuts
I’ve seen well-intentioned researchers skip safety briefings to “get to the real work.” Untrained hands often make mistakes. Everyone who touches 1-Octadecanethiol deserves proper chemical safety training. Safety data sheets need a place in the lab, within easy reach. Training turns safety into habit, not just a set of rules from a binder.
Things I’ve Learned
Complacency gets in the way of safety. Good storage habits, careful handling, and attention to cleanup make working with 1-Octadecanethiol much less stressful. If you’ve spent an afternoon scrubbing that smell out of your hands, you know shortcuts aren’t worth it. A few simple steps can keep the workspace safe, avoid costly mistakes, and make chemical work feel a whole lot more comfortable, even when the chemicals themselves are not.
| Names | |
| Preferred IUPAC name | octadecanethiol |
| Other names |
Octadecyl mercaptan
Octadecanethiol n-Octadecyl mercaptan n-Octadecanethiol Stearyl mercaptan |
| Pronunciation | /ˈoʊkˌteɪ.deɪnˌθaɪ.ɑl/ |
| Identifiers | |
| CAS Number | 2885-00-9 |
| Beilstein Reference | 1709790 |
| ChEBI | CHEBI:38799 |
| ChEMBL | CHEMBL154501 |
| ChemSpider | 17427 |
| DrugBank | DB14109 |
| ECHA InfoCard | 05a61a6d-92c7-44e1-b6d5-38e549934b01 |
| EC Number | 203-988-3 |
| Gmelin Reference | 85338 |
| KEGG | C01779 |
| MeSH | D017105 |
| PubChem CID | 11107 |
| RTECS number | YO7875000 |
| UNII | 4MT7U7802A |
| UN number | UN3335 |
| CompTox Dashboard (EPA) | `DTXSID6020286` |
| Properties | |
| Chemical formula | C18H38S |
| Molar mass | 286.55 g/mol |
| Appearance | Colorless to pale yellow liquid |
| Odor | Odorless |
| Density | 0.845 g/mL at 25 °C (lit.) |
| Solubility in water | Insoluble |
| log P | 8.23 |
| Vapor pressure | 0.0000145 mmHg (25°C) |
| Acidity (pKa) | pKa ~ 10.8 |
| Basicity (pKb) | pKb: 3.58 |
| Magnetic susceptibility (χ) | -73.0e-6 cm³/mol |
| Refractive index (nD) | nD 1.445 |
| Viscosity | 4.6 mPa·s (25 °C) |
| Dipole moment | 2.07 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 510.05 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -241.3 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -11620.7 kJ/mol |
| Hazards | |
| GHS labelling | GHS02, GHS07 |
| Pictograms | GHS07 |
| Signal word | Warning |
| Hazard statements | H315, H319, H335 |
| Precautionary statements | P210, P233, P240, P241, P261, P264, P271, P273, P280, P301+P310, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P312, P321, P370+P378, P403+P235, P405, P501 |
| Flash point | 195 °C |
| Autoignition temperature | 250 °C |
| Lethal dose or concentration | LD50 (oral, rat): > 2000 mg/kg |
| LD50 (median dose) | LD50 (median dose) of 1-Octadecanethiol: Oral, rat: 36 g/kg |
| NIOSH | No NIOSH thông tin có sẵn cho sản phẩm này. |
| PEL (Permissible) | Not established |
| Related compounds | |
| Related compounds |
Octadecanol
Octadecylamine Octadecanoic acid Dodecanethiol Hexadecanethiol |
