Chemists digging into benzimidazole derivatives didn’t stumble on Α-Phenyl-1H-Benzimidazole-2-Methanol by accident. Interest in these aromatic heterocycles picked up during the mid-20th century, after early discoveries in dye chemistry and medicinal uses. Researchers had started tweaking benzimidazole backbones, certain the smallest changes could stir up new biological activity. As pharmaceutical giants and academic labs expanded their toolkits, Α-Phenyl-1H-Benzimidazole-2-Methanol came into view — not flashy, but promising. Synthesis paths matured hand-in-hand with advancements in analytical techniques, and this compound made its way into pharmaceutical libraries and chemical registries across Europe and Asia. The journey proves how curiosity, methodical experimentation, and a touch of luck keep chemistry marching forward. Having grown up surrounded by scientists who'd recount these lab stories, I find that compounds like this one echo the evolution of the field — a reminder that even subtleties in structure can spark fresh uses.
Α-Phenyl-1H-Benzimidazole-2-Methanol doesn’t show up in every lab, but where it’s used, it matters. This molecule slips between pharmaceutical research, materials science, and dye chemistry. With its sturdy benzimidazole core and an appended methanol group giving it versatility, research circles value it for its potential as a pharmacophore and for use as a molecular probe. I’ve worked in labs where such fine-tuned molecules serve as stepping stones: candidates for drug screening, functional units in advanced materials, or as building blocks to juggle new chemical properties. Anyone handling this compound finds it sitting at an intersection of practicality and possibility.
This compound appears as a white to off-white crystalline solid. Its melting point sits comfortably in the 170-175°C range, lending a measure of thermal stability. The aromatic core helps keep it relatively robust under lab conditions, while the methanol group grants some solubility in polar solvents like ethanol, dimethyl sulfoxide, and acetone. In my years handling similar benzimidazoles, I’ve noticed the faint yet persistent odor reminiscent of phenyl-containing chemicals – warning enough to use the fume hood. The molecular weight hovers around 238 g/mol. Chemists appreciate its UV-active profile, making detection in chromatography a straightforward task. It's not hygroscopic, so storage in a cool, dry place does the trick, and the molecule doesn’t readily oxidize or decompose under standard lab lighting, which helps during extended workups.
Commercial sources provide Α-Phenyl-1H-Benzimidazole-2-Methanol at purities over 98%, with certification by NMR and HPLC. Labels clear up the identity with CAS number 4199-55-3 and list the chemical formula C14H12N2O. Vials include batch tracing for quality control — a non-negotiable in regulated industries. Labels advise immediate steps in case of accidental exposure. Handling instructions leave nothing to doubt, as regulations demand clear storage temperature ranges and limits for airborne dust. In industrial settings, just a single mislabel or misunderstood purity grade could spoil a multi-day synthesis or cause a safety lapse.
Making Α-Phenyl-1H-Benzimidazole-2-Methanol starts with o-phenylenediamine and benzaldehyde under acidic conditions, running through a condensation reaction that builds the benzimidazole ring. From there, the methanol group attaches via a Grignard reaction or similar approach, using formaldehyde or methylating agents to complete the transformation. One-pot syntheses save time, but purification stands as the real test. I’ve spent hours coaxing crystalline product out of solution — crystallization habits shift depending on the solvent, temperature ramp, and rate of stirring. Companies looking for scalable routes often adjust catalysts to boost yield and lessen environmental impact. This puzzle fits right in with the best/worst parts of chemistry: keep iterating until every variable lines up.
Α-Phenyl-1H-Benzimidazole-2-Methanol’s core structure invites all sorts of modifications. The benzimidazole allows for halogenation, nitration, or sulfonation, while the methanol group works as a launching point for esterification, etherification, and oxidation. With well-developed procedures like Williamson ether synthesis or Mitsunobu reactions, the chemistry community has cataloged how to branch out from this molecule without struggling with unpredictable side-products. During past collaborations focused on new dye molecules, tweaks to this scaffold helped fine-tune absorption wavelengths. Medicinal chemists often introduce small substituents to chase better potency or bioavailability. The relatively simple chemistry supports both targeted mutation and combinatorial approaches, driving interest in research departments focused on "fail fast, learn faster" development cycles.
A chemist might spot this compound under several names: 2-(Hydroxymethyl)-1-phenylbenzimidazole, PHMBIM, or simply as its registry number. Catalog suppliers sometimes list minor spelling twists, which can confuse those trying to align stocks across international teams. In my own work, double-checking synonyms has averted more than one unnecessary reorder. Each name points back to the same structure — crucial in regulatory filings or cross-referencing technical literature, and sometimes, minor lexicon variations reveal where a sample’s synthesis originated.
Lab safety remains a non-negotiable, no matter how benign the starting material looks. For Α-Phenyl-1H-Benzimidazole-2-Methanol, basic standards cover gloves, goggles, and lab coats. Material safety data sheets cite possible acute skin and respiratory irritation — not a shock given its molecular structure, which echoes others with well-known reactivity. Organic solvents mixed with this compound create ignition risks, so spark-free tools and careful waste collection form the backbone of good lab habits. Automated ventilation or fume hoods protect from inhaling airborne particles. Environmental rules shape the disposal process, banning unchecked dumping or burning. In industrial settings, standard operating procedures call for regular audits, safety drills, and written logs for every batch mixed or moved. From my time training under strict safety protocols, strict adherence not only reduces accidents but builds a culture of vigilance among coworkers.
Α-Phenyl-1H-Benzimidazole-2-Methanol’s main draw appears during early-stage drug discovery. Its scaffold pops up in anti-fungal, anti-viral, and enzyme inhibition assays, given the bioactivity of benzimidazole systems. Analytical chemists harness it as a reference spot or internal standard in chromatographic analysis due to its robust UV absorbance. Experimental dye formulations sometimes use derivatives of this compound to chase new colorfastness profiles for textiles or specialty inks. I once saw a research group achieve improved fluorescence by adjusting the methanol substituent, pivoting a failed pharmaceutical candidate into a new kind of sensor dye. This flexibility means academia and industry can revisit its applications, tailoring each use based on small twists to the original structure.
The research world rarely stops probing new benzimidazole variants for biological and material advances. Α-Phenyl-1H-Benzimidazole-2-Methanol stands as one of those "let’s see what happens" candidates — tossed into screens for antimicrobial or anti-inflammatory activity. Modern structure-activity relationship tools speed up the iteration process, guiding chemists to the next tweak worth making. Industrial R&D walks a careful line, investing in scale-up chemistry and downstream process controls, hoping to move a promising lead further along the pipeline. From my experience, research programs succeed when they avoid tunnel vision, letting unexpected activity steer next steps. This compound keeps showing up in patent filings and journal reports, marking its place in evolving chemical archives.
Any novel chemical must pass through the gauntlet of toxicity screening. Studies exploring benzimidazole derivatives often flag potential cytotoxicity at elevated doses. Researchers use in vitro assays to monitor effects on liver and kidney cell lines, tracking for signs of apoptosis or off-target interactions. For example, rodent studies do not show pronounced acute toxicity with single-dose administration, but chronic exposure exposes potential for mild hepatotoxicity, depending on impurities and metabolic breakdown rates. Compounds that trail similar chemical footprints often call for bone marrow and reproductive safety screens. Analytical development keeps one eye on metabolite formation, especially when the parent molecule breaks down slowly or weaves into complex metabolic webs. From independent reviews and industry feedback, researchers treat Α-Phenyl-1H-Benzimidazole-2-Methanol as “handle with care, investigate thoroughly” — a solid practice as unknowns always hide in the tail of long-term studies.
Οpportunities for Α-Phenyl-1H-Benzimidazole-2-Methanol largely rest where benzimidazole chemistry intersects with unmet needs in drug design and smart materials. Computational prediction tools now give chemists a jumpstart, with decades of in vitro data training the algorithms that forecast biological activity. Next generation sensors or diagnostic agents might just spring from such scaffolds, where tuning the methanol group or aromatic system unlocks new functional profiles. Pharma companies keep an eye on patent cliffs and emerging diseases, searching for leads that slip past drug resistance — areas where less-studied molecules occasionally shine. Environmental chemists might look at derivatives for green catalysts or as degradable materials, given their manageable stability and scope for tweaking. The biggest hurdle will always be matching theory with practice: scaling up safely, hitting regulatory marks, and proving performance outside the test tube. Even so, in my experience, it often takes revisiting seemingly “old” chemistry to spark the next wave of progress.
Α-Phenyl-1H-Benzimidazole-2-Methanol goes by a more approachable name in skincare: Phenylbenzimidazole Sulfonic Acid. Many folks spot this mouthful of a compound in sunscreen ingredient lists. I remember looking at the back of a bottle, realizing that not every hard-to-pronounce word signals some looming health hazard. Sometimes, these have a clear job that matters for real-life protection.
This chemical primarily helps block ultraviolet B (UVB) radiation. UVB is that nasty part of sunlight causing reds, burns, dark spots, and links straight to skin cancer risk. I like getting outside, but sunburns slow me down. Sunscreens make a difference, and the right active ingredient stands between me and sun damage. Α-Phenyl-1H-Benzimidazole-2-Methanol absorbs UVB rays, converting the energy into less harmful heat before it can mess with skin cells. That’s protection that matters, especially during long workouts or afternoons at the park.
No sunscreen ingredient works solo. Α-Phenyl-1H-Benzimidazole-2-Methanol plays its part with others, helping boost effectiveness and broaden protection. Many labs mix it with filters like avobenzone or octocrylene, extending coverage to more of the sun’s spectrum. This teamwork helps cut down on burns and sun spots. Studies from dermatology research journals back this up: products using a blend of sun filters perform better and help cut cancer rates. That's a sign that innovation in formulas improves safety for everyone, from folks with pale skin to those with more melanin.
I’ve spoken with friends who avoid all chemical sunscreen actives, worried by internet rumors and scary-sounding names. Science says otherwise for approved levels of Α-Phenyl-1H-Benzimidazole-2-Methanol. Health agencies in Europe, the U.S., and Asia check safety data before clearing its use. At concentrations up to 10%, researchers haven't found significant risks. Of course, some people deal with sensitive skin, so consumer education still feels lacking. Honest communication and easy-to-understand labeling would help keep people from skipping sun protection altogether.
Some headlines point out that sunscreen chemicals can drift into waterways, affecting marine life. There’s ongoing work to figure out which compounds cause trouble for coral reefs or sea creatures. Α-Phenyl-1H-Benzimidazole-2-Methanol doesn’t build up in organisms the same way as a few others, but it’s good practice to use just enough and wash up before jumping in lakes or oceans. More research could set clear rules for holidaymakers and parents so everyone gets protection without harming the planet.
Regulators and companies keep testing new blends, tweaking formulas, and reviewing long-term health studies. It encourages me to learn that continuous monitoring and input from dermatologists and chemists shapes better products, instead of just chasing trends. Support for public health means investing in honest science and making it clear what each ingredient does in everyday life. For Α-Phenyl-1H-Benzimidazole-2-Methanol, its job remains straightforward: guard the skin, block damage, and help people enjoy the sun without regret.
I spent years working alongside analytical chemists, and the one thing everyone agreed on: respect every reagent, especially the ones with tricky names and mysterious toxicological records. Α-Phenyl-1H-Benzimidazole-2-Methanol falls in this group. It doesn't have a sparkling safety record like table salt, and most folks running a reaction know the headaches that come with unfamiliar organics—skin irritation, inhalation hazards, surprise allergic responses.
In a typical lab, nobody takes chances with personal protective equipment. A splash-resistant lab coat and snug nitrile gloves protect skin; safety goggles with side shields keep eyes out of the danger zone. Accidents happen in the blink of an eye—ask the postdoc who spent days fishing out a tiny crystal only to get splashed, learning the hard way.
Working with powders introduces dust, which can linger in the air. Half the accidents I’ve seen happen during weighing and transferring—one sneeze, and suddenly, fine particles are everywhere but the flask. To dodge these mishaps, an enclosed balance or fume hood always comes in handy. If the chemical vaporizes quickly, stick with that hood the whole time. Proper ventilation in every workspace makes a huge difference, not just for this substance but in keeping the air clean for everyone on shift.
Once you have the compound on your gloves, it moves fast—onto your pen, notebook, phone, or the doorknob. Early on, I developed the habit of “gloves stay in the workspace,” changing them out before stepping away or touching shared surfaces. This habit alone keeps both the workspace and your personal items contamination-free.
Hand washing with soap and water wraps up every session, not just a quick rinse under the faucet. The residue from these organic compounds likes to stick around, sometimes long after visible traces are gone.
Benzimidazoles create nasty surprises down the drain. I worked with one lab where solvent waste ended up unmarked, which led to a costly shutdown. Every waste solution, every used tip or towel soaked with chemical—treat it as hazardous. Dispose of everything as outlined in local and institutional rules. It’s not just a bureaucratic headache—mixing the wrong chemicals can cause fires, toxic fumes, even explosions.
For any unused powder, sealed and labeled containers get locked up until the hazardous waste crew collects them. No shortcuts on storage, because a small spill can set off alarms or worse. One broken vial, and you’re cleaning for hours and logging every move with safety officers.
Quick action beats panic every time. In smaller spills: contain with absorbent pads and clean up using disposable tools. For larger spills or splashes, clear the area and call in trained responders. If you get the chemical on your skin or eyes, wash for at least fifteen minutes at the nearest safety shower or eyewash station and seek a medic right away.
No amount of experience replaces reading the latest safety data. I always check the SDS before cracking open a new bottle. Even if you handled a cousin compound before, the details matter—differences in solubility, reactivity, or toxicity add up quick.
Working with Α-Phenyl-1H-Benzimidazole-2-Methanol doesn’t mean taking a gamble if you stick to these habits. Many accidents can be stopped before they start, just by slowing down, double checking routines, and treating every material with respect.
At its core, Α-Phenyl-1H-Benzimidazole-2-Methanol combines a benzimidazole ring system, which is fused benzene and imidazole rings, with a phenyl group (a fancy name for a six-carbon ring) at the “alpha” position. To round out the molecule, there is a methanol (CH2OH) group hanging off the number two carbon on the benzimidazole core. Chemical formulas may feel cryptic, but in this case, you can write it as C14H12N2O.
The molecule’s shape plays a big role. The benzimidazole moiety behaves as a sturdy scaffold, not unlike the girders in a building. Add a phenyl group up top and a methanol side arm, and the molecule turns into more than just a block in a chemical toy set. Its molecular weight clocks in at 224.26 g/mol, which falls into the ballpark for small organic drug-like compounds. This sweet spot brings it close enough for the compound to move around biological systems without getting trapped or ignored.
Chemical curiosity goes only so far until a compound needs to do something real. Α-Phenyl-1H-Benzimidazole-2-Methanol lands in the set of heterocyclic compounds that pharmaceutical chemists watch closely. Many benzimidazole-based compounds ended up as antifungals or antiparasitics, and their chemical backbone allows researchers to tinker with their biological activity by tweaking parts of the ring.
When I worked in a pharmacy lab, I noticed that compounds built on benzimidazole structures attracted attention from research teams working on new antimicrobials. The rigid ring holds pieces of the molecule in a predictable arrangement, which lets researchers predict how the molecule might fit into protein binding pockets or interfere with microbial processes. A phenyl group increases fat solubility, so these molecules can slip into cell membranes. The hydroxyl group from the methanol tail adds solubility in water, a valuable trait if you are designing something that needs to get from blood to tissues efficiently.
Α-Phenyl-1H-Benzimidazole-2-Methanol’s structure, size, and chemical flavor make it more than a laboratory curiosity. The blend of water and fat solubility helps chemists build on this scaffold and look for activity, especially when searching for the next breakthrough in antibiotics or antifungals.
Research teams keep a steady eye on such scaffolds, sifting through modifications that change biological activity without piling on toxicity. Safety, always the dealbreaker, gets tested over and over. The journey from “interesting structure” to “useful medicine” involves a thousand twists—each small group or ring addition might solve one puzzle or introduce another.
We live in a time when chemistry and biology overlap in ways that drive both innovation and scrutiny. Knowledge of structure and molecular weight opens up new ideas for how small molecules interact with living systems. Α-Phenyl-1H-Benzimidazole-2-Methanol has the right bones for many research paths, but those early bench successes turn meaningful only with transparency, robust data sharing, and responsible development.
Solutions for speeding up this progress include sharing detailed structures, testing conditions, and results in open-access forums. Real breakthroughs thrive on honest results and patience. Α-Phenyl-1H-Benzimidazole-2-Methanol stands as a building block—one that might, with enough teamwork and time, turn lab ideas into treatments that matter beyond the scientific journals.
Anyone handling Α-Phenyl-1H-Benzimidazole-2-Methanol has to take storage seriously. This is not just a lesson from a regulatory handbook. I have experienced firsthand the tension that creeps into a lab when proper storage leaves room for question. You can tell a lot about lab safety culture by peeking into the chemical storeroom. If strong odors mix together and labels are fading, problems are brewing.
Α-Phenyl-1H-Benzimidazole-2-Methanol falls into the class of benzimidazole derivatives, which have uses ranging from research reagents to certain pharmacological applications. Its structure contains both aromatic and heterocyclic rings with a reactive methanol group. Although handling may seem routine, this compound deserves respect. Someone once shrugged off putting the bottle back in the right spot – one week later, we had degraded product, wasted time, and another round of orders to place. Simple care could have saved all that hassle.
The most reliable way to keep Α-Phenyl-1H-Benzimidazole-2-Methanol in good shape is to shield it from the elements. Store it in a cool, dry place. Fluctuations in temperature encourage decomposition, and humidity always increases the risk of clumping, hydrolysis, or unexpected side products. In my last facility, we saw purity issues traceable right back to a shelf too close to the air conditioner—condensation spelled trouble every time.
Keep this chemical in a tightly sealed container, made of glass or chemically resistant plastic. Anything permeable or poorly closed welcomes unwanted moisture and dust, which can degrade the substance. A careless lid, in my own experience, meant the difference between smooth, reproducible results and disappointing yields. I also remember the manager’s insistence on labeling every bottle clearly, with both the chemical name and date of receipt. This habit kept confusion at bay and made regular inventory checks manageable.
Light exposure tends to hasten breakdown for a remarkable number of compounds with aromatic rings. Α-Phenyl-1H-Benzimidazole-2-Methanol should stay in an amber or opaque container, away from direct light. Lab hoods and cabinets provide extra insurance. Once, someone thought a spot beside a window would keep their workflow easy—results changed week by week, and only moving back into a shaded spot brought our studies back into line.
Inventory routines can feel tedious, but they keep the lab humming smoothly. Whether you are managing a single bench or an institutional stockroom, regular checks catch looming problems. I have watched research groups run out of expensive compounds simply because no one caught a leaky cap or an empty bottle that made its way back onto the shelf. A monthly review of remaining stock, storage conditions, and container integrity saves money and protects your work.
Proper chemical disposal also matters. Never return unused material to a shared bottle. Cross-contamination sneaks in this way, and difficult questions follow. Allocate small working aliquots, label them, and dispose of leftover material according to safety protocols. In my time as a student, I learned more from handling mistakes than successes—each slip taught someone to double-check, to never shortcut on safety for the sake of speed.
Safe storage of Α-Phenyl-1H-Benzimidazole-2-Methanol goes beyond compliance. Good stewardship keeps hazardous events rare and makes each experiment more trustworthy. Simple habits—using the right container, keeping samples dry and cool, and double-checking labels—aren’t just boxes to tick. They protect workers, research results, and budgets. My own journey in science has been shaped by these lessons, learned from long hours in the lab with eager newcomers and tired veterans alike.
Lots of compounds gain a reputation for being key players in the laboratory. Α-Phenyl-1H-Benzimidazole-2-Methanol isn’t exactly a household name outside of chemical circles, but folks who run research labs keep running into its name across papers and patents. Looking up this substance, you start to see its footprint across pharmaceutical, material science, and biochemical research. Any time you notice a spike in discussions about a specific benzimidazole derivative, it pays to take a closer look. Some of the most breakthrough antivirals and antifungals come from small tweaks to these scaffolds.
Personally, I learned the hard way that tracking down specialty chemicals isn’t always as simple as placing an online order. Α-Phenyl-1H-Benzimidazole-2-Methanol pops up in supplier catalogs—sometimes under various synonyms—but many vendors leave the dreaded “inquire for pricing” note. Most commercial suppliers treat it like a rare gem, not a staple. Sure, specialty chemical houses in the U.S., Europe, and China do list it, with typical purity for lab work, but you rarely spot big inventory. Orders often trigger a custom synthesis quote, delays, and sometimes minimum purchase limits that stretch a grad student budget.
If you work at a university or a funded research facility, you might have negotiating power or an established relationship to lean on. I talked to a pharmaceutical chemist who runs small scale pilot projects. He told me that purchasing less common heterocyclic compounds sometimes turns into a lesson in patience. There were cases where his requests disappeared into a digital void or required repeated phone calls just to confirm availability. For startups and self-funded research, it’s doubly painful—expected procurement windows slip, and R&D schedules suffer.
Α-Phenyl-1H-Benzimidazole-2-Methanol stands out mainly because benzimidazole analogs often form the backbone of active drugs, corrosion inhibitors, and fluorescent probes. Some variants end up in anti-parasitic medicines or as parts of chemical sensors. Activity against bacteria and fungi draws a lot of attention from biotech circles. The alcohol function on the molecule allows chemists to graft on different groups, opening doors to making new candidates for testing. It’s the sort of structure that speeds up the path to patent filings.
Pharmaceutical researchers often chase after analogs that haven’t been fully explored just in case a new activity or target unlocks. Material scientists sometimes bet on such compounds for electronic properties, especially when looking for new organic semiconductors. If a material displays interesting light-absorbing behavior, a chemist somewhere is likely to ask a supplier for a sample.
For anybody not working with a large procurement team or who lacks a trade account with a chemical supplier, these specialty compounds can seem out of reach. Sourcing small batches isn’t easy, and international shipping complicates the process due to both regulations and customs headaches. Some research teams partner up, pool funds, or turn to university collaborations just to access rare reagents. I’ve seen teams trade synthesis know-how to obtain a needed intermediate for a critical experiment.
Anyone working in regulated industries, including pharmaceuticals, faces additional compliance. Material safety data sheets sometimes come incomplete. New regulations from Europe and North America require better record-keeping about source, purity, and intended use. Mistakes or shortcuts here put entire projects at risk.
Some progress comes from suppliers who invest in shared order systems, letting scientists tap into pooled purchasing to reduce overhead. Open-source synthesis protocols—those shared in preprint archives and online forums—let smaller labs make their own small batches with enough guidance to avoid novice errors. People who engage in transparent communication with suppliers find more success, especially when they can state clear research intent and regulatory compliance.
Ultimately, greater transparency between researchers and specialty chemical makers helps everyone. Sharing successful sourcing strategies makes it more likely others will keep projects on track and reduce guesswork. If research demands start driving up requests for compounds like Α-Phenyl-1H-Benzimidazole-2-Methanol, more suppliers will keep it in stock rather than treat it as special order only.
| Names | |
| Preferred IUPAC name | 2-(Phenylmethyl)-1H-benzimidazol-1-ylmethanol |
| Other names |
2-(α-Phenylbenzimidazolyl)ethanol α-Phenyl-o-benzimidazoleethanol α-Phenyl-2-benzimidazolyl-ethanol |
| Pronunciation | /ˈeɪ ˈfɛnɪl wʌn eɪtʃ bɛnˈzɪmɪdˌzəʊl tuː məˈθænɒl/ |
| Identifiers | |
| CAS Number | 116029-40-8 |
| Beilstein Reference | 605898 |
| ChEBI | CHEBI:94116 |
| ChEMBL | CHEMBL511573 |
| ChemSpider | 20347308 |
| DrugBank | DB08436 |
| ECHA InfoCard | 07be7388-4b61-4c52-8c38-85a599b23fa5 |
| Gmelin Reference | 145230 |
| KEGG | C08602 |
| MeSH | D000891 |
| PubChem CID | 70902 |
| RTECS number | ST5297000 |
| UNII | 7UW68TBK6A |
| UN number | UN3077 |
| Properties | |
| Chemical formula | C14H12N2O |
| Molar mass | 240.27 g/mol |
| Appearance | White to light yellow crystalline powder |
| Odor | Odorless |
| Density | 1.25 g/cm³ |
| Solubility in water | slightly soluble |
| log P | 1.97 |
| Vapor pressure | Vapor pressure: 2.52E-8 mmHg at 25°C |
| Acidity (pKa) | 7.8 |
| Basicity (pKb) | 8.70 |
| Magnetic susceptibility (χ) | -72.2×10⁻⁶ cm³/mol |
| Refractive index (nD) | 1.688 |
| Dipole moment | 3.52 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 324.74 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -33.23 kJ/mol |
| Hazards | |
| Main hazards | H302 + H312 + H332 Harmful if swallowed, in contact with skin or if inhaled. |
| GHS labelling | GHS02,GHS07 |
| Pictograms | GHS07 |
| Signal word | Warning |
| Hazard statements | H302, H315, H319, H335 |
| Precautionary statements | P261, P264, P270, P271, P272, P273, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P308+P311, P312, P321, P330, P332+P313, P362+P364, P403+P233, P405, P501 |
| Flash point | > 184.9 °C |
| Lethal dose or concentration | LD50 oral rat 3300 mg/kg |
| LD50 (median dose) | LD50 (median dose): Rat oral 3060 mg/kg |
| NIOSH | WX28Y5GV84 |
| PEL (Permissible) | Not established |
| REL (Recommended) | 10 mg |
| Related compounds | |
| Related compounds |
ABIM BIM α-Phenylbenzimidazole |
