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Chemists searching for new reagents in the 19th and early 20th centuries found themselves drawn to compounds built on mercury, thanks to its unique ability to form useful complexes and catalyze transformations that other elements struggled to handle. 2-Chloromercuriphenol emerged during that era of exploration, riding the wave of heavy-metal chemistry that ultimately shaped organic synthesis in significant ways. In those early days, research revolved around discovering not just how to make new molecules, but how to control their reactivity. The phenol ring proved essential, and adding a mercurial group plus chlorine added a new layer of complexity, making this compound a favorite in classic reaction studies. While modern labs often turn to less toxic alternatives, 2-chloromercuriphenol left a deep mark, especially with its unique ability to block or guide reactions in aromatic systems. This chemical didn’t stay obscure, as its structure made it valuable in both research and as a teaching tool in understanding electrophilic substitution and organomercury behavior.
2-Chloromercuriphenol gets attention thanks to its benzene ring attached to a hydroxyl, paired with both mercury and chlorine atoms. That combination gives it physical properties and reactivity other compounds just can’t match. Labs who aim for precise organic synthesis—especially those looking to block certain positions on a benzene ring—gravitate towards this compound. Research often highlights its ability to work as a protecting group or, in some cases, as a chemical probe in mechanistic studies. Despite rising concerns over mercury’s hazards, this chemical remains relevant in niche research applications. It’s rarely something you see in bulk production, focusing more on scientific inquiry than industrial-scale processes. In nearly every reference to 2-chloromercuriphenol, the conversation inevitably circles back to its pivotal role in expanding basic chemical understanding rather than in mass production or routine commercial use.
This compound stands out as a solid, known for its white to yellowish color and relatively high molecular weight owing to the heavy mercury content. The melting point tends to fall on the higher end for organics, a reflection of bulky atoms in the structure. Solubility sits in an awkward zone; it dissolves in organic solvents more readily than in water, making it manageable in typical organic procedures. Chemically, 2-chloromercuriphenol shows little patience for strong acids or bases, as these often break the carbon-mercury bond. The phenolic oxygen, though, grants a degree of stability, letting the molecule hold up under conditions that destroy simpler mercury salts. The presence of the chlorine atom tweaks its reactivity even further, making it more direct in electrophilic aromatic substitution reactions. In practice, hands-on experience teaches quickly that this compound calls for careful handling, both from a safety and a chemical perspective.
Any time you deal with compounds dumped into the "mercurial chemicals" category, labeling becomes important—often out of necessity rather than bureaucracy. The bottles or vials holding 2-chloromercuriphenol carry hazard warnings, emphasizing toxicity and environmental impact. The molecular formula, usually C6H5ClHgO, stands in bold print, with labels highlighting weight, batch, and purity. In research settings, users look for confirmation by chemical assay or spectroscopic analysis before relying on a new shipment. The specifications rarely leave ambiguity, thanks to strict regulatory oversight and the recognized dangers of misleading information with mercury products. Labs treating this material with respect focus less on the formalities of paperwork and more on the real-world consequences of any slip-up—especially considering mercury's reputation for stubborn toxicity and environmental persistence.
Synthesis typically begins with phenol, subjecting it to mercuration using mercuric salts, usually mercuric acetate or nitrate. After achieving the mercurated phenol intermediate, the process brings in a chloride source, such as sodium chloride or hydrochloric acid, which swaps out the initial ligand for chlorine. These reactions take place under carefully controlled conditions, balancing reactivity to ensure clean conversion and minimal waste. The route remains direct, and old-school bench chemistry texts describe the steps in detail—a method passed from generation to generation of chemists. Anyone attempting this synthesis today learns quickly about the messes mercury compounds can make, as well as the premium placed on waste management in modern labs. Fume hoods see plenty of use, and nothing escapes without careful tracking.
2-Chloromercuriphenol doesn’t sit idle in a bottle; researchers prize it for its readiness to jump into reactions that demand both selectivity and force. The molecule's mercury moiety acts as a handle, letting chemists swap it for other functional groups or use it as a temporary block protecting certain positions on the aromatic ring. In halogenation reactions, it guides the incoming atoms to preferred locations, thanks to a strong directing effect. In some catalytic cycles—especially those curious about organometallic reagents—it provides a solid model for studying transfer of groups or intramolecular rearrangements. Reductive treatments strip away mercury, offering up phenol derivatives with precise modifications. Plenty of classic organic syntheses trace their modern incarnations back to experiments using this compound as a starting point or a control. The modifications possible speak to just how open aromatic chemistry remains—and why chemists cling to legacy reagents when new ones fail to reproduce older results.
Chemists refer to 2-chloromercuriphenol by several names. Some older literature calls it "p-chloromercuriphenol," reflecting its structure, while others use names like "chloromercury phenol" or "phenol, 2-chloromercuri-." The CAS number uniquely identifies it, so supply houses often stick to that along with the common description. Despite naming variations, anyone who’s handled aromatic mercury compounds quickly recognizes the formula and structure, regardless of which synonym a paper or a bottle employs. The meaningful difference lies not in the name but in the care these materials require and their targeted uses in the lab.
Mercury’s legacy hangs heavy in any discussion on lab safety, and 2-chloromercuriphenol sits right in the middle of that conversation. Direct contact poses risks, whether by skin absorption or inhalation of dust, and even trace exposure can have long-term health effects. Regulations demand not just gloves and goggles but designated spaces for work, special procedures for cleanup, and airtight documentation for disposal. Labs using this compound keep meticulous logs, relying on mercury-sensitive waste protocols and regular audits to stay within legal and ethical bounds. The chemical tests both experience and attention to detail; minor lapses carry real consequences. Those who have spent time in a teaching or research laboratory know firsthand the respect commanded by mercury reagents, not just from federal and state regulations, but by the simple memory of long-term exposure cases documented across decades. Simple caution saves careers—and lives.
Despite the emergence of safer, greener alternatives, 2-chloromercuriphenol remains relevant in certain corners of organic chemistry. Labs drawn to the fine control possible in aromatic substitution reactions turn to this compound as both a tool and a benchmark. Academic researchers continue to rely on its unique directing effects, especially when exploring historical syntheses or benchmarking new reactions against classic standards. Its use outside research has faded, with few, if any, large-scale industrial applications remaining due to environmental and health concerns. The transition to low-mercury or mercury-free chemistry might eventually push 2-chloromercuriphenol completely out of regular use, but today, knowledge of its quirks and capabilities remains almost a rite of passage for advanced synthetic chemists. Its application speaks less to broad market trends and more to the persistence of legacy techniques in chemical research, where progress sometimes requires a close look at the past.
Development around organomercury compounds peaked decades ago, but there’s always someone on the lookout for improvements—especially in reaction safety, selectivity and cleanup. While big companies hunt for ways to sidestep mercury in their products, academic labs often use compounds like 2-chloromercuriphenol as reference points. New research regularly involves quantifying environmental persistence, ways to degrade or neutralize waste, and designs for "greener" versions that deliver the same chemical punch with lower fallout. Some projects dip into computational modeling, predicting reactivity without lifting a flask; others take a hands-on approach, screening for new ligands that mimic the effects of mercury without carrying its baggage. Everyone who’s spent time working with these compounds recalls the challenge: how to keep valuable chemistry without risking the environment or their health. Each incremental advance owes a nod to the hard lessons learned with raw, old-school reagents like this one.
Few compounds prompt such a careful discussion as organomercury phenols. Toxicity studies on 2-chloromercuriphenol stretch back nearly as far as its discovery, charting pathways for absorption, metabolism, and excretion. Chronic exposure leads to nervous system damage, even at levels that cause little immediate discomfort. Mercury’s ability to accumulate makes even minor spills serious business, so epidemiological records around labs and worksites provide critical lessons. Animal studies emphasize organ toxicity, reproductive effects, and behavioral changes, while environmental research underscores just how persistent and mobile mercury can become once released. Handling this chemical in the modern lab means drawing from a mountain of safety data and practical experience, always aware that even tiny mistakes might lead to years of problems. No shortcut can offset the need for good practice—something every seasoned chemist learns sooner or later.
Looking forward, the role for 2-chloromercuriphenol seems destined to shrink, at least outside niche academic settings. Green chemistry initiatives gain ground each year, with universities and industry alike putting their weight behind new catalysts and protecting groups that mimic mercury’s selectivity without inviting environmental or health headaches. That said, the unique power of this compound to direct, influence, and control aromatic chemistry gives it relevance for teaching, benchmark testing, and historical studies. The best hope for safer chemistry comes from advances in thoughtful reagent design and more robust waste management strategies, both aiming to cut mercury’s footprint to near zero. Until substitutes reach the reliability and accessibility of legacy reagents, old compounds stay in the chemist’s toolkit, often as the gold standard by which new tools are measured. The story of 2-chloromercuriphenol isn’t quite over, but the next chapters look more like specialized footnotes than headline breakthroughs.
2-Chloromercuriphenol sounds complicated, but at its core, it’s a chemical compound often handled in well-ventilated labs and not the sort of thing you’ll find on your neighborhood pharmacy shelf. This compound contains both mercury and chlorine bound to a phenol structure. Mercury rings alarm bells because it carries a darker history; think hat makers, Minamata disease, and nervous system risks. That’s an important detail for anyone working around this material.
In real-world use, 2-Chloromercuriphenol helps chemists do what regular phenol cannot. It enters the scene in biochemical labs, most often as a reagent—a helper that enables reactions or measurements. Its standout job: working as an enzyme inhibitor. Enzymes keep many life processes moving, and stopping them on purpose teaches us a lot, from basic biology to how to develop certain medicines. Scientists lean on 2-Chloromercuriphenol when studying sulfhydryl groups in proteins, because it binds directly to these groups and halts activity.
This blocking trick finds value in experimenting with enzymes such as dehydrogenases and various oxidases. By halting these proteins, researchers get a closer look at their role in cells, which guides new drug development and medical testing.
There’s a role for this chemical in analytical chemistry too. Labs measuring or separating out specific compounds use it for that job. For example, 2-Chloromercuriphenol helps spot and measure amino acids or peptides if other common reagents aren’t sensitive enough.
Anything with mercury brings a load of responsibility. Short-term contact can harm skin, eyes, or lungs. Bigger, long-term risks involve the nervous system and can leave lasting damage. Some labs stick to using gloves, fume hoods, and training with no exceptions for this reason. I’ve spoken with chemists who won’t take lunch until they’ve washed hands three times after handling anything with a mercury tag.
This creates broader worries: mercury travels through water, soil, air. If someone tosses 2-Chloromercuriphenol in the garbage, that mercury can leak out and affect plants, animals, and people many miles away. Cleaner lab practices—separating mercury waste, collecting it carefully, treating it before disposal—help slow that cycle.
The hunt for safer alternatives to old-school mercury compounds picks up steam every year. Green chemistry labs now design enzyme inhibitors that do the job without the toxic metal. Some mimic the behavior of 2-Chloromercuriphenol using heavy metals like zinc that pose fewer ecological headaches. Others shift away from metal-based reagents entirely, though this sometimes means sacrificing sensitivity or speed.
Moving toward safer reagents takes buy-in from every lab member. Supervisors set expectations—no shortcuts, double-check the label, report every spill. It comes down to company policies and government regulation. Wastewater standards, chemical tracking, and strict purchasing rules keep the most dangerous substances out of daily use. People at all levels have to pay attention, from rookie lab tech to university director.
Lab life continues to juggle powerful tools with safety. As more researchers question the legacy of mercury-based chemicals, better training, newer alternatives, and tighter disposal regulations shape the modern research world. The story of 2-Chloromercuriphenol tells us that scientific progress doesn’t just depend on what works fastest—it’s also shaped by what’s safest for both those in the lab and the wider environment.
Most people haven’t spent much time around compounds like 2-chloromercuriphenol. I have. Not out of choice, but through lab work, trial, and more than a little error. Handling it brings a sense of responsibility that doesn’t let up, because this chemical brings real risk along with its uses in synthesis and research. It holds a mercury atom right in its structure, and that alone should set off alarm bells for anyone with a basic chemistry kit. Folks who take shortcuts don't work in chemistry for long.
No one feels heroic for putting on the right gear, but experience has shown me how gloves, goggles, and lab coats save skin and eyesight. Disposable nitrile gloves beat latex every time for mercury compounds. Splash-proof goggles matter—I once saw a student brush splatter off bare arms, and that lesson sticks with me. Lab coats stop contamination traveling home. Change them if even a drop hits the sleeve. If you breathe easy just because you can’t see vapors, that’s a mistake. A certified fume hood isn’t a suggestion, it’s the barrier between safety and a slow mercury build-up in your body.
Breaks in concentration cause more trouble than faulty equipment. Every bit of workspace should stay clear from clutter. I always label everything in large print—no science fiction abbreviations. Waste containers sit within arm’s reach. Double-bag waste and keep them far from your main mixing area. Mercury contamination lingers, sticking to surfaces and skin like a bad memory. A clean bench and a clear head mean fewer accidents and less exposure for everyone around.
I’ve never met a perfect worker. Spills happen—once, a cracked flask in a corner almost ruined a month’s work and risked permanent damage to someone’s health. Mercury-containing spills call for special chemical spill kits with sulfur powder, not just a towel and hope. Mercury binds to sulfur, locking it away so you can sweep up the mess. Wash skin with soap and cool water right away—don’t scrub, just rinse and call for help. Leaving things unreported or “waiting to see if it gets better” turns a small mistake into long-term damage. A habit of fast, honest reporting keeps people safer than any single rule.
Learning in chemistry doesn’t stop with the degree or the handbook. The last place I worked, our safety officer updated us every quarter on hazardous chemicals like 2-chloromercuriphenol. Practical drills honed our reaction time far better than dusty binders ever could. Health monitoring matters—mercury exposure builds up. Having regular blood and urine tests for those working around organomercurials isn’t overkill, it’s just being smart with your one and only body. Regulatory guidance changes—OSHA, CDC, local health departments. Good labs keep the latest info posted where everyone can see it, not buried on an intranet page few read.
Everyone deserves to finish their day in the same health they started it. 2-Chloromercuriphenol has specific benefits in research, but the risks demand a level of respect that no shortcut justifies. My own mistakes taught me how fast things can go wrong. With preparation, the right equipment, clear habits, and honest reporting, we can make toxic compounds less of a threat—for ourselves and for anyone who shares our workspace.
Dealing with 2-Chloromercuriphenol, you step outside the boundaries of casual laboratory work. Most people haven’t run into this name, and even people who spend their lives around chemicals feel a quick jolt when they see the word “mercuri.” This is more than a reminder to wear gloves. This hints at health risks, environmental pollution, and persistent messes that stick around for generations. If you’ve ever cleaned up after a broken mercury thermometer, you remember the metallic smell, the panic over atom-sized beads escaping, and warnings echoing from textbooks and workplace signs.
It takes more than tossing the bottle on a shelf. 2-Chloromercuriphenol demands a cool, dry spot. Humidity and heat push reactive tendencies into dangerous territory. I’ve seen storerooms where bottles sweat in the summer and labels blur beyond reading. That’s not just poor housekeeping. It opens real possibilities for leaks, contamination, or fire. I picked up early in my career that a well-ventilated, temperature-controlled room is not a laboratory luxury—it’s basic maintenance for your peace of mind. Stick this chemical in a regular office cabinet and you might not get a warning ‘til it's too late.
There’s no shortcut around a sturdy, sealed container. Glass works, but not the kind recycled from an old pickle jar. Tight-fitting caps stop fumes. Some folks rely on secondary containment—those deep plastic trays that corral drips and spills. I learned to double-check every cap before walking away, even for “just a minute.” Leaks creep up on you, especially when there’s nobody around. The smallest crack in a stopper can seed a problem with air quality, especially since chloromercury compounds can release both vapors and dust over time.
No one remembers every bottle. Legible, waterproof labels matter. Date the bottle. List concentration, and include those familiar hazard icons. Imagine being called years after you’ve left a lab, asking about some unmarked flask. If it crosses your mind to skip a label this once, push through and do it anyway. Accurate records protect everyone, including families back home. Unmarked bottles are a gamble with someone else’s future.
Spills do happen. Some accidents involve shaking hands or bad luck, others come from rushing through final checks at the end of a long day. Emergency eyewash stations and mercury spill kits aren’t just props for safety audits. The right gear—enough gloves, face protection, absorbent materials—proves invaluable. I’ve watched a minor spill become a half-day cleanup, with contaminated shoes left behind as reminders of what happens without preparation.
Stashing chemicals near snacks or break rooms raises the risk that someone untrained stumbles onto them. Curiosity runs high in workplaces, especially where team members aren’t briefed on every bottle. Locked storage, posted warnings, and access limited to trained folks go beyond rules-they keep mistakes out of the news and hospital reports. I’ve never seen someone regret overdoing safety; the opposite holds true every time.
Even with perfect storage, someone eventually disposes of the leftovers. Treat every day as if that day could come sooner than planned. Rules for mercury disposal change—what passed muster last year now might trigger phone calls from regulators. Partnering with certified hazardous waste people helps a lot. It costs money upfront, but protecting health and reputation costs less in the long run. No shortcut, no excuse. This chemical demands respect from the first day until the last.
Most folks don’t give chemical structures a second thought, but take a look at 2-Chloromercuriphenol and you step into a world shaped by both the beauty of organic chemistry and the shadows of heavy metals. With a backbone of phenol—a benzene ring with a hydroxyl group—this compound sports a chlorine atom at the 2-position and a mercury atom tied to the same ring. Its formula is C6H5ClHgO. The mercury atom attaches directly to the aromatic ring, pushing this molecule out of the “standard organic” column and into territory with very real-world consequences.
To understand why this matters, think about phenol on its own. Phenol was once common in antiseptics, thanks to its ability to disrupt bacterial membranes. Swap in mercury, and things change fast. Mercury doesn’t just sit there—it binds tightly, throwing off the normal chemistry in living systems. Add chlorine for good measure, and this molecule now carries reactivity that shouldn’t be ignored.
Chemists look at this structure and see more than the arrangement of atoms; they see potential for harm and, in rare cases, for specific testing applications. The way mercury grabs hold of the aromatic ring through a direct carbon-mercury bond brings both stability and risk, since breaking that bond lets toxic mercury ions run free. This bond isn’t just a curiosity; it rewrites the rules for how this compound interacts with the environment and the human body.
In academic work, 2-Chloromercuriphenol sometimes shows up in organomercury chemistry and analytical testing. My own years in a university lab showed how protective gear and procedures jump up a notch around anything bonded to mercury. Mishandling turns a simple phenol derivative into something that lingers in soil, water, or body tissue. The environmental persistence and toxicity of organomercurials haunt industrial and academic users. Think Minamata disease, the historic lesson about mercury poisoning from industry runoff—it links directly to compounds with similar structures.
Everyone from researchers to regulators faces a tough job. On one side, understanding this structure feeds into advances in analytical chemistry, letting scientists trace elusive reactions or contaminants. On the other side sits the reality that mercury and its compounds slip through cracks in waste management, sometimes landing in places they have no business being. People who’ve worked with organomercury compounds know the sharp, cold reality of exposure risks—headaches, tremors, and worse—are more than textbook warnings.
Limiting the impact of chemicals like 2-Chloromercuriphenol involves more than paperwork. Substitute alternatives for mercury-based reagents when possible. Push for modern waste treatment protocols in labs and industry. Apply green chemistry principles, making process design about more than just yield or cost. It starts with teaching—not just structure, but hazard—and building habits around safety and environmental responsibility.
Transparency matters here. Manufacturers, educational programs, and regulatory bodies can back safer pathways by tracking, disclosing, and phasing out risky chemical structures wherever proven alternatives exist. Community voices, too, need space at the table, especially folks downstream from labs and factories. Shaping a future that respects both science’s potential and the planet’s limits will take more than good intentions; it demands informed decisions, starting with knowledge of every bond in the structures we use.
Plenty of chemists seem to breeze past the basics, but sitting down with a molecular formula still puts the foundation in place for every experiment. With 2-Chloromercuriphenol, you’re looking at a chemical where each atom speaks to its role in research or industry use. A quick calculation tells you that the molecular formula is C6H5ClHgO. Stack up the atomic masses—carbon (12.01), hydrogen (1.01), chlorine (35.45), mercury (200.59), and oxygen (16.00). Add them up and you end at a number just shy of 326.15 g/mol. This value isn’t there for trivia night; it shapes how the compound behaves in the lab and guides proper handling.
Inaccurate molecular weights don’t just trip over purity questions; they create ripple effects. I remember a grad school experiment where a partner used the wrong mass, assuming a similar compound’s number. The whole reaction fizzled out, materials wasted, and everyone ended up frustrated and behind. If you’re confronting toxic products with compounds containing mercury, a small error can mean more exposure than you bargained for. Mercury compounds carry risks that require respect beyond goggles and gloves. The amount you handle relies on knowing precisely what’s in the flask.
Batches large or small start with stoichiometry. Dosage for reactions, calculations for yields, or mixing for formulations all lean on accurate weight. Take 2-Chloromercuriphenol as an example. If someone is setting up a reaction with a desired molarity, or adjusting for a dilution, even a 1% misstep in weight calculation flips the outcome. For reference, the Environmental Protection Agency lists mercury toxicity at extremely low thresholds, so quantitative mistakes become real-world safety problems.
Not everybody works in research, but any scientist or technician handling specialty chemicals walks a line between rigorous measurement and efficient workflow. Skipping any step jeopardizes more than a single project. Proper training, quality documentation, and regular checks create smart habits that prevent accidents down the line. Labs should put up data sheets, regularly host measurement refreshers, and require double checks for high-risk compounds such as this one.
Academic, industrial, or governmental settings all put pressure on reliable results. A single calculation error ripples into poor data, wasted grants, and flawed publications. Labs working under good manufacturing practices (GMP) or ISO certifications already know failure to document weights and chemical identities undercuts trust. To build a reputation as reliable—even with a smaller team—keep calculators handy, sheet out all weights, and train new hires to cross-check every number.
Step-by-step, solutions aren’t complex. Start with official data sources; PubChem, Sigma-Aldrich, or government chemical databases provide verified details. Encourage clear labeling—every bottle, every time. Double entry for key calculations in the notebook highlights typos or brain fog. Basic balance calibration keeps scale drift from muddying the numbers. Give junior chemists guidance and spot-check results before new experiments launch. Safety culture doesn’t begin with advanced degrees but with habits rooted in respect for the molecules on the bench.
| Names | |
| Preferred IUPAC name | (Chloromercurio)phenol |
| Other names |
o-Chloromercuriphenol 2-Mercuriophenol 2-Hydroxyphenylmercury chloride |
| Pronunciation | /tuː-klɔːroʊ-məˌkjʊə.ri-fiːnɒl/ |
| Identifiers | |
| CAS Number | 62-55-5 |
| Beilstein Reference | 1208736 |
| ChEBI | CHEBI:50124 |
| ChEMBL | CHEMBL1230443 |
| ChemSpider | 64910 |
| DrugBank | DB14096 |
| ECHA InfoCard | 100.003.236 |
| EC Number | 232-128-6 |
| Gmelin Reference | 8026 |
| KEGG | C02532 |
| MeSH | D002777 |
| PubChem CID | 163214 |
| RTECS number | OV5775000 |
| UNII | 9LNQ973A7J |
| UN number | UN2020 |
| CompTox Dashboard (EPA) | `DTXSID1022874` |
| Properties | |
| Chemical formula | C6H5ClHgO |
| Molar mass | 273.14 g/mol |
| Appearance | White crystalline powder |
| Odor | Odorless |
| Density | 2.49 g/cm³ |
| Solubility in water | slightly soluble |
| log P | 1.95 |
| Vapor pressure | 7.5E-4 mmHg (25°C) |
| Acidity (pKa) | 10.5 |
| Basicity (pKb) | 6.58 |
| Magnetic susceptibility (χ) | -49.0 × 10⁻⁶ cm³/mol |
| Refractive index (nD) | 1.660 |
| Dipole moment | 3.35 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 189.6 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -8.6 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -80.8 kJ mol⁻¹ |
| Pharmacology | |
| ATC code | D08AL01 |
| Hazards | |
| Main hazards | Toxic if swallowed, in contact with skin or if inhaled; causes damage to organs; very toxic to aquatic life with long lasting effects |
| GHS labelling | GHS02, GHS06, GHS09 |
| Pictograms | GHS06,GHS09 |
| Signal word | Danger |
| Hazard statements | H300: Fatal if swallowed. H330: Fatal if inhaled. H373: May cause damage to organs through prolonged or repeated exposure. H410: Very toxic to aquatic life with long lasting effects. |
| Precautionary statements | P260, P262, P273, P280, P301+P310, P302+P352, P304+P340, P305+P351+P338, P308+P310, P501 |
| NFPA 704 (fire diamond) | 2-2-2-☠️ |
| Flash point | Flash point: 79°C |
| Autoignition temperature | 240 °C (464 °F; 513 K) |
| Lethal dose or concentration | LD50 oral rat 42 mg/kg |
| LD50 (median dose) | LD50 (median dose): 75 mg/kg (oral, rat) |
| NIOSH | WN3850000 |
| PEL (Permissible) | 0.1 mg/m³ |
| REL (Recommended) | 0.05 mg/m³ |
| IDLH (Immediate danger) | 10 mg/m3 |
| Related compounds | |
| Related compounds |
Phenol Chloromercury compounds Aromatic mercurials 4-Chloromercuriphenol Mercuribenzoic acid |
