Chemists often chase new horizons, and the creation of complex dyes like this one proves it. Looking at the roots of this molecule brings me back to the growth of synthetic dyes during the twentieth century. Early pioneers struggled with solubility, stability, and compatibility against traditional natural counterparts. As textile industries and analytical laboratories expanded, the hunger for brighter colors, improved water solubility, and chemical resilience drove chemists towards more ambitious structures. The inclusion of pyridine and chlorotriazine units, as seen in this dye, echoes the mid-century push for ionic sites and anchoring groups that cement dyes into fibers. The research and patent records show years of incremental innovation—each leap serving a new market need, whether that need arose from industrial washing conditions, paper tinting, or even biochemical diagnostics.
This compound carries a jawbreaker of a name but a pretty straightforward mission on the bench and in manufacturing lines. The structure bundles together a pyridine ring, azo linkages, triazine groups, sulfonic acid moieties, and sodium counterions. Each part does heavy lifting—a lesson well learned after missing color fastness or finding a product too fiddly for scale-up. The nitrogen-rich triazine manages reactivity and compatibility, while sulfonic acids give the dye a solid shot at dissolving in water and binding with ease to various matrices. The four sodium ions make handling simpler, sidestepping the headaches of insoluble powders.
I have come to appreciate the way chemistry blends function and form. This dye typically appears as a deep-colored powder or sometimes granules, prone to clumping in humid air but manageable with the right container and a bit of silica gel. Its strong ionic character means it dissolves rapidly in water, giving clear or slightly viscous solutions depending on concentration. The molecular weight sits high enough to notice during weighing—getting a clean spoonful takes a steady hand. Absorption peaks land squarely in the visible range, and the distinct shade it gives off under a UV lamp turns lab benches into a painter’s palette. It tolerates moderate pH shifts and resists breakdown from sunlight better than some bargains lining the shelves, a result of both its aromatic and heterocyclic cores.
Users want technical sheets to say more than 'blue powder, soluble in water.' Lab managers know purity specs make or break QC processes. This dye gets shipped with details about its purity, water content, solubility in grams per liter, recommended storage temperatures (usually somewhere around room temp but away from light), and stability timelines that can stretch for years with the right handling. Spectrophotometric absorption maxima and molar absorptivity readings feature because color calibration calls for precision. Safety data require more attention since even low-dose exposures can trigger complex reactions—think skin irritation or unexpected reactivity if splashed onto the wrong surface. This is not just 'another dye' on a label; it needs competent labeling for proper hazard communication to workers mixing vats in industrial plants and analysts pipetting microvolumes onto slides.
Every synthesis I have walked through in the lab for similar dyes involves juggling steps between diazotization reactions, azo coupling, and attaching those sulfo or triazine moieties. The process often starts with a methylated pyridinemethanesulfonic acid base, reacting it through controlled steps to build the azo linkages while keeping conditions cold enough so nothing decomposes. Attachments of the triazine rings happen via nucleophilic aromatic substitutions, where careful temperature ramps keep side products at bay. The yield hinges on patience, clean starting materials, and meticulous pH control. Not a process for someone looking to cut corners—it's easy to end up with a mix of unreacted intermediates and low-color byproducts if each stage doesn’t get the full attention. Once complete, purification rounds out the process, usually relying on salt precipitation, washing, and drying under vacuum or over desiccants.
Down in the details, this molecule stands out for its potential for tweaks and upgrades. The triazine's chlorine atoms leave room for further substitution—helpful if the aim is to attach polymers, biomolecules, or introduce different solubility profiles. In the research world, we've played mix-and-match with sulfonic groups to bump up hydrophilicity, or swapped counterions to fine-tune behavior in chromatographic applications. An azo linkage responds to reducing agents, splitting the molecule into useful diagnostic fragments. The chemistry here is not static; it opens a playground for those looking to tailor properties at the molecular level, whether for analytical reagents, advanced textiles, or materials science.
Buyers and researchers rarely refer to this dye by its full systematic name, given how unwieldy it sounds. More often, catalogs trim it down, using numbers, color codes, or shorter trade names. This sometimes causes headaches when comparing results between labs or sourcing from new suppliers. The key to proper identification centers around unique registry numbers, spectral data, and in some cases, quick TLC or HPLC checks to match retention times against in-house standards. Over the years, trade names appear in different languages and market segments, slicing through technical lingo to help practical users know what they’re getting.
Shifting gears from the chemistry desk to the safety cabinet, experience shows that respect for operational guidance saves time, money, and health. Gloves, goggles, and fume extraction matter even with substances that law does not brand as 'severely hazardous.' This dye, packed with aromatic and nitrogen-rich structures, warrants caution for skin contact or inhalation. Industrial safety sheets warn against dust clouds and call for spill kits with neutralizing agents. For storage, sealed drums and desiccation prolong shelf life and keep batch integrity high. Training staff on handling and disposal cuts risk and keeps regulatory inspectors content. If any traces end up in the wastewater, conventional treatment systems do not always remove aromatic sulfonic dyes efficiently; oversight and monitoring remain vital.
In practice, this dye carves out a niche wherever color, analysis, or molecular tagging make a difference. Textile dyeing outfits use it to achieve bright, fast colors on synthetic fibers under harsh washing regimes. Paper industries grab it for colored coatings and security marks. In the life sciences, researchers rely on its structure for colorimetric assays, protein labeling, or as a marker in electrophoretic runs. The presence of sulfonic and triazine groups makes it especially handy for coupling to synthetic polymers or nanoparticles, opening doors in imaging, diagnostics, and high-end material sciences. The ability to reach deeply into such diverse markets comes from a balance between reactivity, stability, and easy handling that simpler dyes don’t offer.
Workshops, conference posters, and grant proposals all highlight the ongoing interest in multi-functional dyes. Teams push to reduce toxicity, improve environmental compatibility, and tailor absorption features for specialized needs. Collaborations between academia and industry feed back results that shape future batches. One promising direction builds on linking these complex dyes to biodegradable carriers, aiming for greener alternatives in both textile and analytical applications. The interplay of structure and performance gets dissected through modeling, spectroscopy, and pilot-scale trials. My time in university labs taught me the value of redundancy in synthetic routes—alternate pathways to dodge bottleneck reagents or expensive solvents while keeping purity high. The pipeline for new analogs stays full, with researchers eager to address both emerging market trends and regulatory demands.
The push for transparency in chemical usage and occupational health has never felt more urgent. Studies probe this dye for potential risks associated with skin exposure, inhalation, or environmental discharge. Most tests show low acute toxicity, especially compared to old-school heavy-metal dyes, but the full ecological footprint only surfaces after years of monitoring. Some breakdown products could trigger fish mortality or plant stress, so environmental impact studies don’t take a back seat. Safety data sheets document LD50 values, irritancy results, and safe concentration limits for workplace air. Regulatory agencies keep eyes on such compounds, driving both better labeling and if needed, safety upgrades in formulation.
Looking ahead, the future for multi-functional, triazine-based dyes sits at the crossroads of sustainability, performance, and regulatory pressure. The industry moves toward building dyes that degrade on command in waste streams but hold their own through production and use. Research teams target lower-impact synthetic routes—cutting waste and shifting to renewables for starting materials. As molecular tagging, imaging, and smart materials come to define more sectors, this dye and its analogs stand ready for adaptation. Automated synthesis, AI-guided property screening, and expanded biological compatibility all appear within reach, given the current pace of innovation. The race involves delivering color and function while answering to end-users’ calls for safety, environmental stewardship, and supply reliability.
Long, winding names in the chemical industry usually point to molecules crafted with a lot of care. The molecule in question – 3-Pyridinemethanesulfonic Acid, 5,5′-[(1-Methyl-1,2-Ethanediyl)Bis[Imino(6-Chloro-1,3,5-Triazine-4,2-Diyl)Imino-4,1-Phenylenecarbonylimino(6-Sulfo-3,1-Phenylene)Azo]]Bis[1-Ethyl-1,2-Dihydro-6-Hydroxy-4-Methyl-2-Oxo-, Tetrasodium Salt – stands as an example of modern chemistry doing the heavy lifting in daily life. At first glance, these structures might feel far away from our everyday concerns. With some digging, their fingerprints start cropping up in the colors on our favorite sneakers, the prints on a conference badge, the stain resistance of a hospital gown, and quality control in paint factories across the globe.
After talking to a handful of industrial chemists and reading supplier reports, this class of molecule most often shows up in dye formulations. The azo structure, punctuated by triazine rings and sulfonic acid groups, delivers strong, vibrant shades and offers solid water solubility. Textile manufacturers in Asia and Europe lean on this kind of molecule when aiming for high-performance colorfastness. Ever hear of a shirt that never fades, even after twenty washes? Odds are, the brand has tested molecules similar to this one.
It doesn’t stop with t-shirts. Paper printing operations, especially those producing vibrant packaging or secure documents, work with water-soluble dyes based on these architectures to achieve deep color saturation. Inks built from these families stay suspended, reducing the risk of gunk clogging up expensive printheads. The trick is balancing molecular stability and environmental concerns. The drive for lower wash-off rates in wastewater keeps researchers busy, and this molecule offers a strong start, largely due to its big, water-friendly head groups.
There’s an underrated story in municipal water treatment, too. Charged groups on these molecules bind well with metals and contaminants, making them useful in resin formulations or as markers for tracing water flow in complex pipe systems. Some laboratories have reported using these dyes as markers in diagnostic assays, especially for detecting trace elements or following up after chemical spills in rivers and groundwater. Precision counts here, and the stability of this molecule in harsh chemical environments supports reliability over repeated testing cycles.
Regulations continually force manufacturers to rethink what lands in a bottle or a vat. Sulfonic acid groups make this molecule easier to clean out with water – a big advantage when compared to fossil fuel-based pigments that stick to everything. Still, the presence of chloro-triazine moieties raises eyebrows from the perspective of environmental fate. Companies are starting to ask more questions about degradation products and toxicity. Environmental safety tests, toxicity screens, and wastewater analytics guide choices more now than ever. The more we understand about the breakdown pathway, the better we can design tweaks for the next generation of colorants.
From years spent consulting with coatings manufacturers, the push is for dyes that don’t depend on harsh processing or heavy metals. Investing in more open, transparent data on environmental breakdown and health impact helps technology transfer across regions. A greater emphasis needs to sit on collaboration between upstream chemists and downstream users. Support for research into non-toxic replacements and publicly available hazard data smooths out the process for both big brands and small startups. Shifting practice sometimes takes real-world stories: the school repainting its gym, the water utility trialing new treatment resins, the hospital reviewing ink in surgical drapes. Meaningful progress grows on transparency, clear science, and patient collaboration from lab to loading dock.
Staring at a cluster of atoms connected by lines on a whiteboard has a way of making science feel distant. In a lab, those shapes and names carve out direct links to safety, innovation, and even trust. Chemical structure doesn’t just live on a page. It breaks down to decisions about food safety regulations, prescription drug labels, water treatment, and countless products we use without a second thought.
A chemical’s structure gives you the real story behind what a compound can do. Benzene, for example, has a hexagonal ring with alternating double bonds; knowing this explains why it’s used in plastics but also why scientists raise red flags about its health effects. A sugar like glucose looks nothing like a vitamin. The atomic layout guides how a substance interacts in our world, whether it hurts or heals, pollutes or cleans up messes.
Every single day, industries depend on recognizing these differences. Hospitals double-check molecular diagrams before mixing drugs. Water treatment plants look beyond common names to the small details, avoiding compounds that could release toxic byproducts. In agriculture, understanding a pesticide’s backbone shapes regulations and keeps food safe.
IUPAC names might look intimidating. 2-acetoxybenzoic acid sounds nothing like aspirin. But anyone who’s worked in pharmaceuticals or chemical manufacturing has run into trouble with “trade names” or slang for a product. A single misstep on an order form, and you can wind up handling an explosive or a carcinogen instead of something harmless.
Having IUPAC rules takes that confusion out of the equation. Every bond, ring, and carbon gets counted and sorted. “Ethanol” leaves no room for guessing, but “grain alcohol” or “spirits” could send you down the wrong road. If you’re tracking shipments, mixing reagents, or researching safety data, getting the name right means everything—from preventing lab accidents to stopping illegal shipments.
Fixing broken supply chains or working late-night shifts in a formula lab, I’ve seen mistakes that start with a skipped double-check on a chemical name or structure. Nothing wakes you up faster than a fuming flask that wasn’t supposed to react. Clear communication about structures and names protects not just workers, but anyone who comes in contact with the end product.
Teachers in high school chemistry put special focus on these names to avoid mistakes that could steer a future nurse or engineer wrong. Companies running large operations build entire safety protocols around correct labeling. These safeguards don’t just protect reputations—they save lives.
From regulations to basic safety lessons, clear rules like IUPAC naming and drawing detailed chemical structures set a reliable framework. Experienced lab techs and industry veterans rely on this structure to keep innovation safe. Anyone who has watched a recall unfold or sat through safety training on dangerous substances knows the cost of confusion. A culture steeped in accurate, standardized chemical language isn’t just a technical requirement—it’s a public responsibility.
Safety in labs and industry isn’t about what a glossy catalog says. Real-world work means spills, mistakes, and surprises. Anyone who has ever cleaned up after an early morning batch run knows: even the “safest” product turns risky without common sense and preparation. I’ve worked with folks who rely on their sense of caution, not just paperwork, to assess a product’s safety.
A lot of us have come across containers with flashy safety icons, but those only tell part of the story. The Safety Data Sheet is the lifeline. It gives real hazard details and first aid steps. A chemical can seem harmless on the bench but turns nasty once it touches humidity or mixes with the wrong substance. If you ever saw someone mishandle hydrofluoric acid because they thought gloves alone would save them, you know how quickly small oversights become emergencies. You wouldn’t want to discover a product’s risks while mopping up after a spill.
Trust doesn’t come from the product itself—it comes from the companies behind them. Strong suppliers invest in quality controls, third-party audits, and detailed data sheets. Well-established firms usually carry ISO certifications or proper documentation, not just pretty logos. I’ve seen major labs stay loyal to suppliers who deliver transparent documentation and admit when a batch doesn’t meet spec, not those looking to cut corners for profit. Fakes and knockoffs might save a few bucks upfront, but chasing quality and traceability keeps people safer. OSHA, EPA, and REACH guidelines exist for a reason; regulatory history shows companies that dodge these rules end up in expensive recalls and lawsuits.
No product keeps people safe without good habits and training. Even top-grade flame retardants turn dangerous when technicians skip the basics. Regular safety training and drills make a difference. In one place I worked, emergency washes and spill kits sat covered in dust because no one practiced using them. There’s no point in having high-grade safety gear if it gets ignored. I always watched how seasoned coworkers handled new materials. They would test a sample, double-check compatibility, and share what worked and what nearly went wrong.
Smart sensors and real-time monitoring can spot leaks or exposure faster than simple labels. Companies that collect feedback from workers often improve product guidelines or add practical warnings. For example, stories about skin allergies or bad outcomes with gloves prompt new instructions or product reformulations.
Safe products in labs and industry begin with curiosity—asking questions, reading real data, and staying alert. No amount of branding replaces working knowledge or open communication between staff, suppliers, and regulators. The best protection comes from learning, teaching, and treating every new substance with healthy respect. In my view, strong safety culture starts with remembering the stories behind the warnings, not just the warnings themselves.
Picture what happens to milk left out on a hot day. It clumps, sours, and you definitely don’t want to drink it after that. Most products require careful attention to how and where they sit before use—not just food, but chemicals, medicines, and everyday consumer goods. As someone who’s seen shipments ruined just because the delivery truck spent an afternoon parked in the sun, I can say temperature and handling make the difference between a safe, useful product and one bound for the trash.
Heat and moisture can mess up everything from pharmaceuticals to electronics. For example, prescription drugs often remain most stable between 15°C and 25°C, kept away from direct sunlight. Humid storage makes powders clump, electronics corrode, and labels peel away. In one warehouse job I had, we lost dozens of boxes of medical supplies because the dehumidifier failed over a weekend, letting everything soak up moisture. The lesson stuck—preventable loss hits hard, so don’t cut corners on climate control.
Make it a rule to monitor both temperature and humidity levels. Digital thermometers and hygrometers provide live readings and shut down countless headaches before they start. Regular checks outdo blind faith every time.
It’s easy to forget all the hands a product passes through: warehouse staff, drivers, store clerks, end users. Each stage brings risk. Rough handling means broken seals, dented packaging, spoiled contents. For fragile products, think foam inserts, reinforced boxes, and clear “FRAGILE” labels. I’ve watched packages slide across truck beds or get dropped from loading docks—small mistakes snowball fast.
Training plays a huge part. Companies that invest in good staff education lose fewer products and win more loyal customers. Even in my own kitchen, eggs last longer when handled gently at the store and during the ride home. Care isn’t just a business skill; it’s a life lesson.
Old inventory turns into expensive waste. Always check expiration dates before storing new shipments. “First In, First Out” isn’t just a catchy phrase—it’s how supermarkets avoid stocking spoiled yogurt at the front and fresh goods at the back. I once bought pain relievers on sale only to discover they’d expired the month before, thanks to poor shelf management. No one wants to pay for something useless.
Regular audits help identify slow-moving items. Donating close-dated stock to local organizations before it expires beats throwing it away.
Dirt and clutter attract pests and raise the risk for contamination. Clean storerooms not only stop mice and roaches but also limit cross-contamination among products. Hand washing, sweeping floors, and wiping down surfaces cut many problems off before they start. In one facility I visited, a strict cleaning schedule saved more money and time than anyone expected. No one missed the weekly “pest surprise.”
Safe chemical storage deserves a mention. Flammable or toxic products stay in their own secured spots, away from sunlight and ignition sources. Staff wear gloves and goggles as backup. Safety data sheets should be close by—not buried in a back office—so anyone can check instructions during an emergency.
Technology helps. Remote monitoring will alert a manager if the freezer fails after hours. Apps help track batch numbers and recall items quickly. Strong policies work best when everyone understands the reasoning behind them. Ask staff what would make their jobs easier or safer—people on the front lines spot issues faster than anyone at a desk.
Good storage and handling don’t just protect profits. They build trust, protect health, and limit stress for every person along the supply chain.
Safety rules and simple common sense go a long way, but risks jump when chemicals get involved. Any container with a label you can’t pronounce or a powder that needs gloves isn’t just taking up shelf space. It can hurt you, your coworkers, or the spot you call home. Anyone who has ever spent time in a lab or around industrial suppliers knows the golden rule: don’t trust a chemical until you’ve read its safety data sheet (SDS). This isn’t jargon. It’s about staying alive and keeping your workplace out of trouble.
SDS sheets aren’t paperwork made by some bored office worker. They lay out the real hazards in words anyone can understand, from cancer risks to how to treat a spill. OSHA standard 1910.1200 says companies have a legal duty to hand over the SDS for every chemical they stock. The moment you touch something new, or an unfamiliar container shows up, that SDS becomes your best source for handling, storing, and disposing of it safely.
Stories float around of workers sent to the ER after a mix-up. Sometimes it’s a splash in the eye, other times it’s not knowing which chemicals react badly together. Reading the sheet is how most industrial accidents — the truly ugly, life-changing kind — don’t happen.
A surprising number of places still stash printed binders in a corner, covered by last year’s inventory list. Others point to outdated PDF files on a dusty computer that nobody updates. I’ve seen warehouse workers confused about which SDS goes with which barrel. I’ve caught myself double checking supplier sites late at night because the sheet I got with a delivery was in the wrong language. These hassles waste time and put people on edge. Clarity and speed matter if someone’s gasping from a mistake.
The smartest habit is asking for the SDS the moment that chemical changes hands — never wait until you have a problem. Trusted suppliers should offer a direct link to the right file, either by email or QR code stuck to the container. Manufacturers almost always keep updated safety data sheets on their official websites, sometimes under “Product Details” or “Technical Resources.” Plug the product name and “SDS” into a search engine if you’re in a bind; most big names like Sigma-Aldrich, Fisher Scientific, or VWR have straightforward search features. Cross-check the chemical’s CAS number if there’s any doubt — that single string of numbers avoids mix-ups between similar-sounding compounds.
Some companies sign up for digital SDS management tools. All staff gets instant access on phones or laptops. In places like hospitals, schools, and farms, this cuts down on confusion and weeds out old versions. It’s worth checking if your employer already has such a system before digging around on your own.
Dangers build up when people stay quiet. If you notice an out-of-date SDS, a missing binder, or a supplier refusing to provide documents, flag it. Laws back you up on this. Nothing turns a minor spill into a panic faster than guessing. Teach the next person where to look. Bookmark the right links. Print clean copies if the only one on hand is stained and folded. This isn’t overkill — it’s the day-to-day reality of staying safe.
![3-Pyridinemethanesulfonic Acid, 5,5′-[(1-Methyl-1,2-Ethanediyl)Bis[Imino(6-Chloro-1,3,5-Triazine-4,2-Diyl)Imino-4,1-Phenylenecarbonylimino(6-Sulfo-3,1-Phenylene)Azo]]Bis[1-Ethyl-1,2-Dihydro-6-Hydroxy-4-Methyl-2-Oxo-, Tetrasodium Salt](/static/81c4c90b-3bfe-4770-bbec-fcbf5e0a3809/images/2d/3-pyridinemethanesulfonic-acid-5-5-1-methyl-1-2-ethanediyl-bis-imino-6-chloro-1-3-5-triazine-4-2-diyl-imino-4-1-phenylenecarbonylimino-6-sulfo-3-1-phenylene-azo-bis-1-ethyl-1-2-dihydro-6-hydroxy.png)
![3-Pyridinemethanesulfonic Acid, 5,5′-[(1-Methyl-1,2-Ethanediyl)Bis[Imino(6-Chloro-1,3,5-Triazine-4,2-Diyl)Imino-4,1-Phenylenecarbonylimino(6-Sulfo-3,1-Phenylene)Azo]]Bis[1-Ethyl-1,2-Dihydro-6-Hydroxy-4-Methyl-2-Oxo-, Tetrasodium Salt](/static/81c4c90b-3bfe-4770-bbec-fcbf5e0a3809/images/3d/3-pyridinemethanesulfonic-acid-5-5-1-methyl-1-2-ethanediyl-bis-imino-6-chloro-1-3-5-triazine-4-2-diyl-imino-4-1-phenylenecarbonylimino-6-sulfo-3-1-phenylene-azo-bis-1-ethyl-1-2-dihydro-6-hydroxy.gif)
| Names | |
| Preferred IUPAC name | tetrasodium 5,5′-{[1-methylpropane-1,2-diyl]bis[[imino(6-chloro-1,3,5-triazine-2,4-diyl)imino-4-oxo-4H-1-benzopyran-1,6-diyl]azo]}bis[6-hydroxy-4-methyl-2-oxo-1-ethyl-1,2-dihydropyridine-3-methanesulfonate]-3-sulfonate |
| Other names |
C.I. Reactive Blue 21 Brilliant Blue X-BR Reactive Brilliant Blue X-BR Reactive Blue X-BR C.I. 61211 |
| Pronunciation | /θriː paɪˈrɪdɪn ˌmɛθeɪnˈsʌlfɒnɪk ˈæsɪd ˌfaɪv faɪv ˈwʌn ˈmɛθəl ˈwʌn ˌiːθəˈndiːl ˈbɪs ˈɪmɪnoʊ sɪks ˈklɔːroʊ ˈwaɪmən ˈθriː eɪzoʊ ˈbɪs ˈwʌn ˈɛθəl ˈwʌn ˌdiːhaɪdroʊ sɪks ˈhaʊksi ˈfɔːr ˈmɛθəl ˈtuː ˈɒksoʊ ˌtɛtrəˈsoʊdiəm sɔːlt/ |
| Identifiers | |
| CAS Number | 99738-98-4 |
| 3D model (JSmol) | `3D structure;JSmol;C43H36Cl2N16Na4O17S5` |
| Beilstein Reference | 12288307 |
| ChEBI | CHEBI:86154 |
| ChEMBL | CHEMBL2103837 |
| ChemSpider | 25340229 |
| DrugBank | DB14147 |
| ECHA InfoCard | 03d36d41-1158-4034-8a0c-9b29b3e9bcb7 |
| EC Number | 408-660-4 |
| Gmelin Reference | C.I. Acid Blue 9, Gmelin Reference: 108084 |
| KEGG | C21118 |
| MeSH | Dyes, Biological |
| PubChem CID | 15920067 |
| RTECS number | VN9950000 |
| UNII | Z8ZI7KY06B |
| UN number | Not regulated |
| Properties | |
| Chemical formula | C40H32Cl2N16Na4O17S5 |
| Molar mass | 1643.15 g/mol |
| Appearance | Dark red powder |
| Odor | Odorless |
| Density | Density: 1.48 g/cm3 |
| Solubility in water | soluble |
| log P | -5.3 |
| Acidity (pKa) | -4.0 |
| Basicity (pKb) | pKb: 5.98 |
| Dipole moment | 8.9735 Debye |
| Hazards | |
| Main hazards | Causes serious eye irritation. Causes skin irritation. May cause respiratory irritation. |
| GHS labelling | GHS07, GHS09 |
| Pictograms | GHS07 |
| Signal word | Warning |
| Precautionary statements | P264, P280, P305+P351+P338, P337+P313 |
| PEL (Permissible) | Not established |
| REL (Recommended) | 20 mg/m3 |
| IDLH (Immediate danger) | ND (No Data) |
| Related compounds | |
| Related compounds |
Acid Blue 9 Direct Blue 15 Direct Blue 71 Direct Blue 199 Direct Blue 86 Direct Blue 106 Direct Blue 1 Direct Blue 14 |
