Stepping back to the earlier days of chemical innovation, sodium 3-[[(dimethylamino)thioxomethyl]thio]propanesulphonate carved a path through decades of synthetic research. Born out of the surge in organosulfur chemistry during the mid-20th century, researchers “borrowed” ideas from thioamide and sulfonate frameworks, seeking molecules with unique reactivities. By the 1970s, labs across Europe and Asia experimented with sulfonate derivatives in both industrial and pharmaceutical settings, fond of their water solubility and versatile functionalities. Inspiration often came from needs in textile dye stabilization and as intermediates in drug synthesis. Thinkers in applied chemistry focused on bringing together groups like thioxomethyl and dimethylamino, recognizing the push it gave these compounds into new territory. Scientific correspondence, sometimes ignored in mainstream literature, still shows researchers trading procedures and results for tweaking this sulfonate's backbone, always searching for better reaction yields and safer protocols.
People in research and industry circles know sodium 3-[[(dimethylamino)thioxomethyl]thio]propanesulphonate by a collection of synonyms, but they always eye its thio-functional and sulfonate characteristics. This compound, usually available as a free-flowing white to off-white powder, appeals to those seeking water-soluble thioamides. Regarded by some as a unique coupling agent and by others as a promising stabilizer, it often turns up in the development of specialty chemicals, especially where a combination of nucleophilic power and polar compatibility matters. Manufacturers looking for reliable intermediates rely on its documented reactivity, and its relatively straightforward synthesis gives it a consistent spot on procurement lists.
In my experience, the physical character of sodium 3-[[(dimethylamino)thioxomethyl]thio]propanesulphonate lays the foundation for its utility. It presents as an odorless, crystalline solid, with a density hovering around 1.35 g/cm³. Its structure brings together sulfonate and thioamide groups, making it highly polar and hydrophilic. The melting point usually sits above 200°C, but it decomposes rather than melts cleanly, which pushes chemists to pay close attention during thermal operations. Water solubility is high, easing its use in aqueous formulations and permitting efficient washing steps during synthesis. The molecular weight commonly reads around 271 g/mol. Its yellowing in solution can hint at slow degradation under strong UV, sending a signal to store it in opaque containers or shaded shelving.
Technicians and regulatory specialists lean on detailed labeling, focusing on batch purity (often exceeding 98%), storage parameters (cool, dry environments), and clear handling recommendations. Specifications issued by producers include moisture content (less than 1.0%), heavy metal screening well below international tolerances, and particle size analysis for process consistency. Labs check IR and NMR spectra, confirming peak assignments linked to the thio and sulfonate functionalities. Barcoded labels now connect to safety data sheets online, showing hazard classification, recommended PPE, and guidance for spills or exposures. Some firms even produce QR-coded traceability paths, supporting audits and complaint investigations from downstream users.
Synthesis typically proceeds from 3-chloropropanesulfonic acid sodium salt, reacting it with sodium dimethylcarbamodithioate under basic aqueous conditions. The method leverages nucleophilic substitution, with temperature control below 40°C minimizing byproducts. Lab practitioners rely on batchwise addition and extended stirring to achieve high conversion, followed by filtration and sequential recrystallization in water/ethanol systems. Industrial plants sometimes switch to continuous flow reactors for better scalability. The real-world lesson: diligent pH management and slow addition rates guard against runaway exotherms and incomplete reactions. This hands-on approach, learned through both academic and manufacturing settings, can make or break the technical grade.
Chemists appreciate how the sulfur and amino groups open doors for downstream transformations. The thioxomethyl function offers a soft site for alkylation, while sulfonate improves ionic character for phase transfer catalysis. Some researchers have explored oxidation with hydrogen peroxide, generating sulfoxide analogs suited for antistatic applications. Selective hydrolysis yields thioamides, sometimes employed in peptide coupling chemistry. Over the years, the core scaffold picked up modifications for improved stability or targeted reactivity in organic synthesis—essentially serving as a molecular “toolkit” for those willing to explore pH and temperature windows. In dye chemistry, it forms complexes with transition metals, nudging spectra into shifts useful for analytical detection.
You might hear this compound referred to by trade names reflecting its thioamide and sulfonate backbone, sometimes labeled simply as “dimethylaminothio-methylthio-propanesulfonate sodium salt.” Certain chemical suppliers abbreviate, using mnemonic product codes like DMATS-Na or DMTMPS, so databases and procurement forms often record these variations. Patent literature from the late twentieth century lists names in both English and German, reflecting cross-border patent filings and the wave of research tied to European chemical manufacturers.
Anyone who works hands-on with sodium 3-[[(dimethylamino)thioxomethyl]thio]propanesulphonate gets familiar with both its advantages and the practical concerns it introduces. Although water solubility may calm some nerves, it doesn’t absolve safety measures: avoid inhaling dust or allowing prolonged skin exposure. Standard gloves and splash goggles should be non-negotiable, and respiratory protection comes out when transferring powders in closed rooms. Emergency protocols focus on rapid dilution with water in case of spills and careful collection of contaminated solids. In my own lab practice, safety training emphasized chemical hygiene, not just MSDS paperwork. Studies suggest acute toxicity remains low, yet chronic exposure data stays thin—fueling the argument for ventilation improvements and enclosed transfer systems. Waste disposal follows prescribed guidelines for organosulfur compounds, meeting municipal and national regulations.
The compound pops up in more than a few commercial and laboratory settings. Textile dyeing operations lean on it as a stabilizer and as a reactive partner in synthesis pathways for specialty dyes. Pharmaceutical researchers see the value in its thioamide group when producing prodrugs or intermediates, especially for targeted release formulations. The water solubility turns it into a pick for antifouling agents and certain agricultural adjuvants. Electrochemists have explored it as part of conductive coating development. In environmental chemistry, a handful of groups evaluated modified versions as remediation reagents for heavy metals in wastewater, banking on the affinity of sulfur atoms for soft cations. Based on conversations with industry contacts and published application notes, clients frequently experiment with novel blending or derivatization strategies.
Academic and industrial R&D projects zero in on improvements to both synthesis and function. Many aim to reduce costs by optimizing catalyst use and recycling solvents. The hunt for greener chemistry solutions steers some labs toward water-based synthesis routes and away from halogenated intermediates. Collaboration across academia and manufacturing targets upcycling waste streams in the production process to reclaim valuable sulfur byproducts. Some graduate student teams have chased new derivative structures, swapping out the dimethylamino unit for bulkier groups to modulate pharmacokinetics in drug design. Material chemists look for ways to lock sulfonate-modified species into polymer backbones, increasing wear resistance in consumer products. A few projects—often buried in the footnotes of publicly funded research—have tested its suitability in nanomaterials for drug delivery, where both water compatibility and targeted reactivity matter.
The toxicological record for sodium 3-[[(dimethylamino)thioxomethyl]thio]propanesulphonate isn’t as complete as regulators or research oversight committees might like. Acute exposure studies—mostly rodent-based and small scale—point to low direct toxicity, with dosing well above standard handling levels required to see measurable effects. Longer exposures raise more question marks. Some breakdown products (mainly dimethylamine and small sulfur-containing acids) have been flagged for their potential states of concern, especially in poorly ventilated or heated environments. I remember a safety seminar where the consensus was: “assume caution and seek more data.” Environmental impact studies, while limited, have so far recorded low aquatic toxicity at standard municipal discharge limits. Calls in research circles for broader testing remain, echoing both precaution and genuine uncertainty about chronic occupational exposures or unknown downstream transformations.
Looking ahead, the trajectory for sodium 3-[[(dimethylamino)thioxomethyl]thio]propanesulphonate leans on both regulatory clarity and technical breakthroughs. Researchers and manufacturers both benefit from clearer data about long-term safety and environmental impact, prompting a push for collaborative studies and publication of negative results as well as successes. Chemical engineers continue to search for cleaner, higher-yield methods to keep costs in check and performance high. Interest in specialty polymers may carve out new roles for sulfonate-thioamide structures, particularly where water compatibility and selective reactivity provide manufacturers with a competitive edge. For sectors like advanced textiles, pharmaceuticals, and certain areas of catalysis, the compound’s unique mix of reactivity and solubility remains attractive. The future depends on balancing innovation with measured risk, never losing sight of both end-user safety and environmental stewardship.
Many people spot technical names like Sodium 3-[[(Dimethylamino)Thioxomethyl]Thio]Propanesulphonate and tune out. Truth is, behind all those syllables sit chemicals that shape many products around us. Chemists, manufacturers, and even people curious about water quality see this compound in action — especially in places we don't always expect.
In the world of metal finishing, this compound earns its keep as a brightener and additive during electroplating, especially with copper. Electronics need copper finishes with specific look and feel, and this chemical helps produce that glossy, even appearance. Without additives like this, copper deposits can wind up dull, rough, and unreliable, leading to performance headaches down the line.
Electronics aren’t just about shiny cases. I’ve worked on circuit repairs where poor copper surfaces caused microcracks, wrecking connections. The level of detail demanded from PCB makers isn’t possible without chemicals tuning these metal layers. According to reports from industry groups like the American Electroplaters and Surface Finishers Society, compounds with sulfur, like the one here, help control grain size and keep copper smooth at microscopic levels.
Copper electroplating baths rely on a mix of science and patience. Too much of one additive, and things go sideways. Too little, and surfaces don’t come out right. Sodium 3-[[(Dimethylamino)Thioxomethyl]Thio]Propanesulphonate acts almost like a traffic cop, steering metal ions for precise, repeatable layering. In low concentrations, it speeds up deposition, saving factories real money on time and energy. Studies from surface chemistry journals highlight how this brightener even helps use less hazardous additives, pushing processes closer to “green chemistry.”
Not everything shines here. Sulfur-containing additives, even ones that create better copper finishes, can cause issues downstream. If wastewater treatment skips a step, these compounds break down slow, polluting waterways and harming wildlife. Years ago, a plating shop in my town switched brighteners, only to run into local water board violations when residues hit storm drains.
Responsible companies face pressure to limit and treat all runoff. The Environmental Protection Agency in the U.S. recognizes that stronger rules on wastewater from plating lines can cut risks, but enforcement patterns vary state by state. There’s room for tighter oversight, and research keeps churning for alternatives that biodegrade faster or can be filtered out more easily.
Shifting to safer finishing chemicals takes buy-in all along the supply chain. Some labs are testing new brighteners based on plant materials or engineered bacteria. It’s a tall order to match the consistency and cost of today’s sulfur-containing additives, but the push grows each year. Training matters here too. I’ve seen veteran platers adjust chemical mixes on the fly, preventing waste — training newer workers to spot problems before they happen means fewer costly cleanups.
At the end of the day, Sodium 3-[[(Dimethylamino)Thioxomethyl]Thio]Propanesulphonate shapes the quality of essential components, from phones to car electronics. The story doesn’t stop at the factory door. Manufacturing, regulation, and environmental safety all play a part.
Science classrooms introduce sodium and sulfur early on, but specialty compounds like Sodium 3-[[(Dimethylamino)Thioxomethyl]Thio]Propanesulphonate rarely turn up in their full glory. The chemical formula for this mouthful is C7H16N2NaO3S3. Getting that formula right is not just an exercise for chemistry majors. There's a chain of real-world applications tied to these molecules — from water treatment to pharmaceuticals and even the fabric industry.
Digging into chemicals like this, the formula isn't just numbers and letters: it's about possibility. Sodium sits at the front end, anchoring the compound with its positive charge. Sulphonates, those sulfur-oxygen combos, hold a reputation for water solubility and resistance to harsh conditions. Manufacturers look for these traits to create detergents that won't quit on a job and dyes that stay put on fabrics. From experience in textile research, sulphonates often spell the difference between colorfastness and rapid fading after the first wash.
Dimethylamino groups—part of that long name—bring flexibility to the chemical structure. They create space for bonding with a range of molecules, so researchers in pharmaceutical labs tweak substances like this to bind with specific biological receptors. Add in thioxomethyl and thio groups, and you're looking at additional sulfur—an element prized in drug discovery for its ability to change a compound’s activity inside the body.
A formula like C7H16N2NaO3S3 finds its way into research and industry because it offers a combination of stability and reactivity. In water softening, for example, sulphonates attach to minerals that cause scale and remove them before they clog pipes. Surfactant manufacturers lean on these compounds for that perfect balance between cleaning power and environmental friendliness, especially as regulations crack down on old-school harsh chemicals. On a production floor, batch after batch gets tested for compounds that strike this balance.
Getting to this formula took decades of chemistry know-how. Errors in stoichiometry—combining atoms in the right ratios—can ruin entire shipments. In the lab, I remember how one oversight in combining sulfur sources led to a failed attempt at producing a related compound, wasting both reagents and time. This kind of mistake motivates stronger attention to detail and underlines why clear and accurate formulas matter so much, especially in scale-up from bench chemistry to plant level.
Mistakes in chemical formulas cost money and sometimes safety. More cross-discipline collaboration—bringing in process engineers alongside chemists—leads to better workflow and safer compounds. Digital tools flag errors, but human scrutiny still matters. Automated systems equipped with built-in checks provide a safeguard, but from in-plant experience, nothing beats a practiced chemist eye reviewing raw formulas before moving ahead.
Legislation now pressures every link in the chemical supply chain to know exactly what's in a product. It’s not only about compliance; customers want sustainability and performance. The industry’s challenge is to keep formulas like Sodium 3-[[(Dimethylamino)Thioxomethyl]Thio]Propanesulphonate ready for innovative use, while managing risks and waste. The formula C7H16N2NaO3S3 stands as more than chemistry on paper—it shows the continuity between careful lab work and real-world benefit.
Out in the real world, most folks never hear about compounds like Sodium 3-[[(Dimethylamino)Thioxomethyl]Thio]Propanesulphonate outside a lab or college chemistry class. Those who do probably see it around industrial or scientific settings, where it shows up in the production of dyes, pharmaceuticals, or specialty resins. For regular people, the long name might cause more confusion than fear, but it’s smart to look closer at what goes into the products lining store shelves and factory floors.
Working in industries where chemical handling is a daily routine, I’ve seen what a little carelessness can trigger. Chemical names might look intimidating, but what matters is their hazard profile. Resources like the Globally Harmonized System (GHS) and the Safety Data Sheet (SDS) spell out risks by listing both immediate and long-term effects—eye or skin irritation, respiratory trouble, or issues with repeated exposure. Chemicals containing sulphonate or thio groups tend to be skin or respiratory irritants. Dimethylamino groups often add another layer of caution, since they can cause allergic reactions or disrupt regular cell activities.
Many chemicals never land in household products straight up; they get used as intermediates. That doesn’t mean they’re harmless during production. People mixing, pouring, or disposing of this compound face bigger risks than the folks using the final product. A 2020 report from the European Chemicals Agency notes strong potential for aquatic toxicity with similar sulphonate agents, which turns disposal and runoff into real-world headaches for anyone near water sources.
Chemical regulations, whether from OSHA in the United States or the REACH framework in Europe, place worker health at the forefront. Acute exposure often causes headaches, coughing, or rashes. Repeated low-level contact ramps up risks for more serious illness. Without real protective gear or good ventilation, you gamble with your well-being.
Years spent in plants and labs teach quick respect for warning labels and safety instructions. Engineering controls like fume hoods, sealed transfer lines, and emergency showers can shield people from direct contact. I recall spills where correct glove use and quick eye washes made the difference between a close call and a trip to the doctor. Regular training goes hand-in-hand with emergency planning.
For those who want to push the conversation past “safe” or “not safe,” it’s worth asking how waste gets managed. Wastewater from industrial use must undergo treatment before release. Some companies still cut corners, polluting fields and rivers. Reports from the EPA link improper chemical disposal with fish kills and long-term biodiversity loss. Holding companies accountable for their environmental footprint should not be optional.
Better alternatives often wait in the wings. Green chemistry aims to replace hazardous compounds with options less likely to cause injury or destroy ecosystems. Swapping out dangerous intermediates steers entire industries away from legacy risks. For places where that switch isn’t possible yet, strict adoption of best practices and transparency in accident reporting provide real ways to keep workers and neighbors out of harm’s way. Consumers can encourage this shift by supporting companies with strong, transparent health and safety records.
Paying attention to chemical hazards isn’t about sparking alarm; it’s about recognizing what goes into everyday goods and holding both workers and corporations to a higher standard. By asking hard questions and seeking out answers in plain terms, communities build a safer, cleaner future for everyone.
Anyone who’s spent any time around chemical storage knows the risks tied to misunderstood materials. Sodium 3-[[(Dimethylamino)Thioxomethyl]Thio]Propanesulphonate—often showing up in specialty labs and manufacturing—brings its own quirks. Learning where to put it avoids a world of headaches, from ruined batches to health dangers.
A colleague once spent a weekend cleaning up after a mislabeled drum spilled acidic vapors in the back of a cramped storeroom. The person tossing that barrel in a humid corner with no label believed “it’s just another sulphonate.” That slip cost time, threatened safety, and wound up on my list of “don’t repeat this” stories to new lab techs. I’ve seen risky shortcuts come back to bite companies, and ignoring the demands of individual chemicals tops the list of preventable errors.
Sulphonates don’t usually flare up as fast as oxidizers, but that doesn’t give you a free pass. Keep the sodium salt dry. Any moisture can mess with the material, triggering reactions you’d rather avoid or simply breaking down its performance. Low humidity storage wards off caking or clumping, and prevents the chemical from leaching into the air or nearby products.
Shelves need a steady, cool temperature. Overheated warehouses unsettle the chemical’s stability. Even fluctuations matter—hot days followed by chilly nights can draw in condensation, especially in containers opened and closed all week. Think of climate control as paying for fewer ruined samples and fewer accidents.
Direct sunlight shouldn’t hit chemical storage shelves. This isn’t a “sunlight activates” worry so much as a “sunlight slowly cooks your inventory” issue. Even sturdy plastic drums degrade under steady UV. Keep material in sound, opaque containers stashed away from windows and skylights.
Mixing incompatible chemicals can speed up breakdowns, or even create toxic vapors. I once found a storeroom where organics, acids, and the sodium salt sat side by side, only separated by a wish for nothing to go wrong. That luck runs out. Different classes of chemicals belong on separate shelves or, better, in separate cabinets. Simple changes—clear labels, shelf markers, and closed doors—cut incidents in half where I’ve worked.
Even something as ordinary as moving a drum from storage to workbench goes wrong fast without good habits. A lot of spills happen not because someone set out to do harm, but because nobody explained the right way to secure a lid or what not to stack on top. Investing in routine refresher training, and posting simple instructions near the storage area, keeps everyone aware. It’s not about paranoia—it’s about staying healthy and keeping expensive inventory in good shape.
Proper records do more than satisfy an inspector. Tracking who accessed which chemical, and documenting how long it’s been on the shelf, avoids expired product and accidental mixing. It’s easier to catch problems early with logs and checklists than with last-minute panic over a missing lot number.
Mistakes don’t just hurt the bottom line; they risk people’s well-being. Treating Sodium 3-[[(Dimethylamino)Thioxomethyl]Thio]Propanesulphonate with the same seriousness as more “notorious” chemicals keeps workplaces safer. Dry, cool, separate—and label everything. Those who work closely with these materials know: nobody regrets doing things the careful way.
Anyone who’s worked in a chemistry lab has probably handled something that made them sweat a little, and sodium 3-[[(dimethylamino)thioxomethyl]thio]propanesulphonate falls into that category for good reason. Sulfonate compounds—especially those bearing sulfur and nitrogen—bring a mix of unpredictability and toughness. They can release nasty fumes and sometimes react with everyday materials, tainting the air or corroding surfaces. This isn’t something you just scoop out with a lab spoon and toss around. It’s a chemical that has to be treated with sharp focus and proper gear.
I’ve learned the hard way that good gloves and eye protection are non-negotiable, even if you’re just transferring a small amount. Regular latex gloves don’t always block everything—nitrile usually stands up better. Splash-proof goggles keep you covered from any wayward drops or accidental contact, and in tighter spaces, a lab coat helps avoid bringing the irritants home on your sleeves. Some folks skip the face shield, but protecting your skin and face matters with compounds like this because one spill can send a project sideways.
Strong-smelling sulfur chemicals linger for hours unless the air moves freely. Good fume hoods make a world of difference—a lesson many learn after a headache or cough lingers long after the lab closes for the day. Leaving lids off or containers unsealed lets vapors spread, which isn’t just a hassle for your own comfort, but also for anyone nearby. Lab spaces, no matter how high-tech, aren’t meant to double as chemical storerooms. Store only what you need, and tuck away anything volatile in sealed, labeled containers far from heat or sunlight.
The first instinct after a minor spill is to toss paper towels at the mess. With sodium thio-compounds, this just smears it around or stirs up more vapor. Spill kits with absorbent neutralizers help a lot; some labs use finely-ground vermiculite or sand to contain powders. If it’s a bigger spill, get everyone clear before trying to sweep up. Never just pour water on it—sulfonates love to spread fast in wet conditions, and mixing unknown cleaners leads to all sorts of nasty byproducts. I’ve seen rooms close down for a whole day over a botched cleanup.
Sulfonate and thio compounds react with acids, oxidizers, and some metals. I always use dedicated, labeled bottles for storage—no guessing games or scribbled pieces of tape. After learning from a mentor who once lost half a research batch to oxidation, I avoid any cross-contact. Storage away from open windows, radiators, and incompatible chemicals prevents headaches down the line. Solid documentation—whether digital logs or a well-kept notebook—is also a major help if something unexpected happens.
The hazards associated with sodium 3-[[(dimethylamino)thioxomethyl]thio]propanesulphonate have real consequences for health and project outcomes. Chronic exposure to certain sulfur-containing chemicals links to respiratory issues, according to studies in industrial hygiene journals. Overexposure or spills could knock out a week’s worth of lab progress or worse. Prioritizing the basics—personal protective equipment, ventilation, mindful storage, and written logs—raises both safety and consistency in the lab. I’ve seen labs where everyone follows these rules run smoother, safer, and much more predictably.
![Sodium 3-[[(Dimethylamino)Thioxomethyl]Thio]Propanesulphonate](/static/81c4c90b-3bfe-4770-bbec-fcbf5e0a3809/images/2d/sodium-3-dimethylamino-thioxomethyl-thio-propanesulphonate.png)
![Sodium 3-[[(Dimethylamino)Thioxomethyl]Thio]Propanesulphonate](/static/81c4c90b-3bfe-4770-bbec-fcbf5e0a3809/images/3d/sodium-3-dimethylamino-thioxomethyl-thio-propanesulphonate.gif)
| Names | |
| Preferred IUPAC name | Sodium 3-[(dimethylamino)carbothioylsulfanyl]propane-1-sulfonate |
| Other names |
S-DMSA Sodium 3-(dimethylamino)-3-thioxo-1-propanesulfonate Thiomethylthiopropanesulfonate, dimethylamino derivative Dimethylaminothiomethylthio propanesulfonate sodium salt 3-[(Dimethylamino)thioxomethyl]thio]propanesulfonic acid sodium salt |
| Pronunciation | /ˈsəʊdiəm θriː ˈdaɪˌmɛθɪl.əˌmiːnoʊ ˌθaɪ.ɒksəˌmɛθəl ˈθaɪoʊ ˌproʊˌpeɪnˈsʌl.fəˌneɪt/ |
| Identifiers | |
| CAS Number | 50339-78-1 |
| Beilstein Reference | 1499787 |
| ChEBI | CHEBI:38899 |
| ChEMBL | CHEMBL2103839 |
| ChemSpider | 21761771 |
| DrugBank | DB00785 |
| ECHA InfoCard | 100.032.714 |
| EC Number | 272-119-5 |
| Gmelin Reference | 107158 |
| KEGG | C03530 |
| MeSH | Dichlorvos |
| PubChem CID | 18619674 |
| RTECS number | TN0580000 |
| UNII | P5L5H5L6ZY |
| UN number | UN2811 |
| CompTox Dashboard (EPA) | DTXSID8011695 |
| Properties | |
| Chemical formula | C6H13N1O3S3Na |
| Molar mass | 273.39 g/mol |
| Appearance | White to off-white solid |
| Odor | Odorless |
| Density | 1.23 g/cm3 |
| Solubility in water | soluble |
| log P | -3.2 |
| Vapor pressure | Negligible |
| Acidity (pKa) | 2.62 |
| Basicity (pKb) | 6.05 |
| Magnetic susceptibility (χ) | -47.0·10⁻⁶ cm³/mol |
| Refractive index (nD) | 1.597 |
| Viscosity | Viscous liquid |
| Dipole moment | 7.61 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 472.44 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -211.5 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -723.5 kJ mol⁻¹ |
| Pharmacology | |
| ATC code | A16AA06 |
| Hazards | |
| Main hazards | Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. |
| GHS labelling | GHS07, GHS08 |
| Pictograms | GHS07 |
| Signal word | Warning |
| Hazard statements | H302 + H315 + H319 + H335 |
| Precautionary statements | P261, P280, P305+P351+P338, P304+P340, P312 |
| NFPA 704 (fire diamond) | 1-1-0 |
| Lethal dose or concentration | > LD₅₀ (oral, rat) > 2000 mg/kg |
| LD50 (median dose) | LD50 (median dose): Oral, mouse: 7500 mg/kg |
| NIOSH | ST3500000 |
| PEL (Permissible) | Not established |
| REL (Recommended) | 0.5 mg/m3 |
| IDLH (Immediate danger) | Not listed. |
| Related compounds | |
| Related compounds |
Methimazole Carbimazole Thiamazole Ethionamide Propylthiouracil |
