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2-Benzylpyridine: A Cornerstone in Modern Chemistry

Historical Development

Chemistry has a habit of quietly transforming everyday life, and the journey of 2-Benzylpyridine proves this rule. Early studies in pyridine chemistry date back over a century, as researchers hunted for new ways to modify the basic pyridine ring. Along the way, chemists discovered that attaching a benzyl group at the second position on the pyridine core produced a compound with versatile traits. This wasn’t a random accident but a response to a growing need for building blocks that could do more than one job in the lab. Today, 2-Benzylpyridine often turns up in labs focused on pharmaceuticals, materials science, and even agricultural chemistry. Each step in its development built on the careful work of generations of organic chemists who recognized the value of small changes in molecular structure.

Product Overview

2-Benzylpyridine belongs to the class of substituted pyridines, where a benzyl group swaps in for a hydrogen atom. This tweak may seem minor, but the result is a unique compound that steady-handed researchers favor for its reliability and versatility. Pure samples take the form of a colorless to pale liquid, letting chemists spot impurities with ease. The substance carries a smell that hints at why pyridines once served in early perfumes and solvents. In labs, it stands out for its ease of use and presentation, with a stability that allows careful manipulation during experiments.

Physical & Chemical Properties

This molecule brings together the distinct features of both benzyl and pyridine moieties. It boils at a moderate temperature, usually near 280 degrees Celsius, and appears as a viscous liquid or light oil under standard conditions. As a pyridine derivative, it resists hydrolysis, standing up to both acid and base with stubborn resilience. Chemists also value its density and refractive index, which mark clear differences from similar compounds. Its solubility favors common organic solvents, giving researchers a broader palette in multi-step syntheses. These qualities matter because small changes in physical properties can throw off entire synthetic routes, and 2-Benzylpyridine consistently performs where predictable behavior counts.

Technical Specifications & Labeling

Labels on bottles of 2-Benzylpyridine signal its purity, origin, and batch data, all of which trace back to basic principles of quality control. While purity above 98% remains the gold standard in most labs, some research projects call for even cleaner samples—tracking trace contaminants matters, especially when the compound enters a pharmaceutical pipeline. Accurate labeling not only helps trace progress through a project, it also protects users from unintended mistakes in the lab. Clear documentation, including the chemical’s exact structure, molecular weight, and known impurities, gives everyone a fighting chance against unnecessary surprises. Harmonizing technical labels with globally recognized systems like GHS (Globally Harmonized System) gives peace of mind, especially under regulatory scrutiny.

Preparation Method

Synthetic routes for 2-Benzylpyridine usually start by benzylating pyridine itself or its immediate precursors. Classic methods rely on nucleophilic substitution, with benzyl chloride or another benzyl halide as the donor. Skilled chemists often reach for phase-transfer catalysts, which help coax the benzyl group onto the pyridine ring in respectable yield. Sometimes, the reaction can be stubborn or messy, so purification steps like distillation or chromatography follow. Over time, these strategies have evolved to use greener solvents and less hazardous reagents, a trend driven by the reality of modern lab safety and environmental regulation. Continuous advancements in catalytic chemistry keep pushing this preparation into safer, more efficient territory.

Chemical Reactions & Modifications

2-Benzylpyridine isn’t just a bystander in the lab: it often steps up as a building block for more complex molecules. Its pyridine ring can undergo a range of functionalizations, including halogenation and nitration, which further expand its utility. The benzyl group survives under moderate conditions, yet can be oxidized to introduce carboxylic acids, turning the molecule into a candidate for coupling reactions. The nitrogen in the pyridine ring acts as both a coordination site for metal catalysts and a participant in nucleophilic aromatic substitution. These properties give the molecule an outsized role in both academic and industrial discovery. Modifying the structure leads to entirely new chemical spaces—places where new drugs, agrochemicals, and dyes can be developed.

Synonyms & Product Names

The world of chemistry is notorious for multiple names for the same thing, and 2-Benzylpyridine proves no exception. Researchers may call it α-Benzylpyridine or 2-(Phenylmethyl)pyridine, each emphasizing a different aspect of its structure. Trade catalogs sometimes list it under CAS number 1126-09-6 or offer abbreviations pulled from various naming conventions. Consistent use of IUPAC standards helps cut down on confusion, but learning these alternate names benefits anyone who must sort through old papers or international product lists.

Safety & Operational Standards

Lab safety determines whether a research day ends with new results or unexpected trouble. 2-Benzylpyridine demands attention, as even simple exposure can cause irritation to skin, eyes, or respiratory tract. Gloves, goggles, and fume hoods become non-negotiable tools during its handling. Post-use protocols like secure storage away from heat and moisture, combined with approved waste disposal, reduce risks both to people and to the environment. While not as hazardous as some highly reactive chemicals, complacency still leads to trouble. Proper training and reliable safety data sheets allow chemists to focus on discovery rather than damage control. Regulatory oversight covers shipment, storage, and disposal, so compliance isn’t optional—it’s a hard-learned reality in any reputable organization.

Application Area

In the world of synthetic organic chemistry, 2-Benzylpyridine punches above its weight. Medicinal chemists depend on its stable platform for building drug candidates, especially when exploring new therapies tied to the pyridine core. Material scientists explore its reactions for specialty polymers and surface coatings, while agricultural researchers trial its derivatives for seed treatments or pest control. Each project relies on the compound’s consistent reactivity and predictable outcomes. Its role as a ligand or intermediate in catalysis also opens doors in fine chemical synthesis, where every bond formation counts toward costly product yields. Beyond the research bench, some sectors investigate its potential in sensors or as a structural bridge in supramolecular chemistry.

Research & Development

Every year, new research builds on the known qualities of 2-Benzylpyridine. High-throughput studies and combinatorial chemistry have unlocked innovative ways to use this building block, spinning off into fields as varied as enzyme inhibition, antiviral development, and green chemistry. Collaborations across university and industry labs help clarify how small changes to the benzyl or pyridine moiety impact biological activity. Scientists interested in catalysis carefully study modifications at the nitrogen, pushing forward the boundaries of what this compact molecule can do. Open access to published studies and digital databases has made it easier to track advances, and cross-referencing these sources often leads to creative breakthroughs. Crowdsourced lab experience often trumps theory, which explains why peer-to-peer knowledge in the handling and modification of 2-Benzylpyridine proves so vital.

Toxicity Research

A responsible chemist never ignores toxicity. Studies reveal that, like many aromatic compounds, 2-Benzylpyridine can irritate mucous membranes and, on rare occasions, act as a sensitizer in repeated exposure scenarios. Animal models and cell culture experiments show low to moderate acute toxicity but raise questions about cumulative effects and chronic exposure. Inhalation and accidental ingestion pose the greatest risks, while dermal absorption remains a lesser concern with proper precautions. Toxicology research has made special note of metabolic breakdown products, some of which may have bioactivity on their own. This evidence supports the call for robust workplace monitoring, updated safety protocols, and continuous health surveillance for users. Eliminating unnecessary exposure not only safeguards researchers but builds public trust that advances in chemistry don’t come at the price of human health.

Future Prospects

Looking ahead, the story of 2-Benzylpyridine remains far from finished. Advancements in green chemistry urge a move away from heavier solvents and more wasteful syntheses, offering new ways to produce this compound in cleaner, safer, and more efficient ways. As demand grows in emerging markets for pharmaceuticals and specialty chemicals, scalable routes that cut cost and shrink environmental impact take on extra urgency. The rise of artificial intelligence in reaction prediction lets researchers map out optimal use cases for 2-Benzylpyridine derivatives without months of trial-and-error. Should regulatory frameworks tighten, companies and labs that stay ahead by innovating safer processes will hold the upper hand. Every step toward a more sustainable chemical economy cements 2-Benzylpyridine’s role as a workhorse and a symbol of chemistry’s ongoing collaboration with society.




What is 2-Benzylpyridine used for?

2-Benzylpyridine: More Than Just a Chemical Name

Plenty of folks have never heard of 2-Benzylpyridine unless they spend time in a chemistry lab or work in pharmaceuticals. Yet, this compound has found its way into many research labs and production facilities across the globe. Anyone who’s ever flipped through an organic chemistry textbook, or walked past shelves of glass bottles at a university, has come within arms’ length of chemicals that quietly shape modern science.

Key Role in Pharmaceutical Research

Drug research teams look to 2-Benzylpyridine as a building block for new medicines. This molecule belongs to the family of substituted pyridines, which means it has a pyridine ring structure with a benzyl group stuck on the second carbon. That might not sound exciting at first. Yet, in practice, it allows chemists to experiment with the ring, swapping pieces in and out to see what works as a treatment. The pharmaceutical world relies on such core structures to assemble compounds that tackle diseases, especially those that affect the central nervous system. Researchers also use it when making anti-inflammatory and anti-cancer agents. Small changes during synthesis can yield entirely new paths for drug discovery.

Chemical Synthesis and Laboratory Use

The reliability and sturdy structure of 2-Benzylpyridine turn it into a foundation for designing more complex molecules. In the process world, it acts as a starting material for crafting other chemicals. Synthesizing it can involve simple reactions, so research teams continue to count on it for a wide range of investigations, from reaction optimization to property tweaking. In my own college work, colleagues tackling organic synthesis projects gravitated to this compound for its clean reactivity and predictable outcomes, saving valuable time during trial-and-error stages.

Role in Material Science

Not every use shows up in the news. Scientists push 2-Benzylpyridine into polymer chemistry, hoping to tailor new plastics, coatings, or specialty adhesives. Its rigid structure helps control the physical and chemical properties of these new materials. Researchers opt for 2-Benzylpyridine when they want to insert stable aromatic features into a polymer, sometimes making coatings less permeable to gas or water. Material innovation, especially in electronics or packaging, often involves such backbone tweaks.

Safety and Regulatory Perspective

Working with 2-Benzylpyridine calls for basic laboratory safety steps. The compound is not widely known as a major toxin, yet researchers handle all pyridines with caution due to their potential for irritation. Consistent adherence to personal protective gear and good ventilation remains the norm in every university and industrial lab I have visited. Environmental guidelines call for careful disposal and monitoring to prevent unnecessary contamination, echoing recent global pushes for greener chemistry.

Looking Ahead: Sustainable Chemistry

A trend has grown over the past decade: pushing every lab to rethink process waste. My own experience echoes what is fast becoming common practice. Before even starting a project, research teams review greener methods for working with compounds like 2-Benzylpyridine. They look for solvent recovery systems and reaction steps that lower by-product loads, not just to comply with regulatory pressures, but because it saves costs and improves workplace conditions over the long run.

Driving Innovation and Responsibility

2-Benzylpyridine won’t show up as an ingredient on a medicine bottle or in the supermarket, but it’s a backbone for progress in science and technology. Its presence in research labs speaks to a broader commitment to both innovation and responsible chemistry. Scientists harness its properties while watching out for health, environmental, and industry standards. Newer, safer, and cleaner routes for using such compounds shape the future of how we invent and produce.

What is the chemical structure of 2-Benzylpyridine?

A Close Look at the Skeleton

Every chemist has a story about the moment when the lightbulb flicked on and bonding patterns in aromatic molecules started to make intuitive sense. 2-Benzylpyridine often feels like a role model for basic structural learning. Its shape is a mashup of a simple benzene with its honeycomb of carbons, fused to another classic: the nitrogen-tipped pyridine. That familiar, six-membered aromatic ring—pyridine—loses none of its punch here. The nitrogen atom lands at the one position and then, at position two, a whole benzyl group attaches by way of a tidy carbon-carbon single bond.

The benzyl group itself carries a signature, with a CH2 group that acts almost like a hinge, letting the phenyl ring dangle off the edge of the pyridine’s core. So you end up with a backbone that wears its identity on its sleeve: a pyridine bearing a "benzylic" chain at the spot next to its nitrogen neighbor. Whenever I handled it in the lab, nothing about its functionality felt pretentious or unpredictable. It’s a solid block for more ornate chemical structures, and there’s a sense of control in building outward from such a simple plan.

The Real-World Outcomes of Structure

Directly tying structure to function, chemists use 2-benzylpyridine as a stepping stone for synthesis. Whether you’re heading into the world of pharmaceuticals, pondering agricultural intermediates, or charting routes in dye chemistry, this framework shows up in one form or another. The benzyl position, as every organic chemist learns, has a reactive urge—it attracts substitutions, oxidations, and can be leveraged as a launching pad for more complicated branches. It’s this tactical versatility that matters most in practical application.

Molecules like this boil down to predictability plus flexibility. In drug research, a chemist might lean into the electron-rich phenyl ring to modify binding preferences at a target protein. The pyridine, with its nitrogens and pi systems, opens up a toolbox for hydrogen bonding and metal chelation. The molecular architecture of 2-benzylpyridine makes these activities possible without a fuss. In real world work on the bench, the point of attachment between the benzyl and pyridine delivers just enough distance to keep both aromatic rings distinct, yet close enough for electronic communication—a trait that impacts reactivity and solubility in solvents.

Progress and Pitfalls

Teams in research often hit bottlenecks with regioselectivity and purification. If somebody’s making 2-benzylpyridine, they’ll want to avoid scrambling the position of that benzyl. Chasing high selectivity sometimes sends a crew down the rabbit hole for new catalysts or milder conditions. Over the years, advances in cross-coupling reactions—like Suzuki or Negishi—gave chemists cleaner and faster routes to compounds like this. On the analytical side, both NMR and chromatography remain reliable tools. Correct identification gets harder with isomers, so distinct chemical shifts in the aromatic region pay dividends.

Sustainability matters in chemical synthesis. Waste minimization and safer reagents should remain top of mind, especially as industry pressure grows for greener chemistry. Teams have a chance here to tweak routes to 2-benzylpyridine with recyclable solvents or atom-efficient methods. Every bench-top experiment, every production scale-up, counts toward a bottom line that balances progress against impact.

Taking Knowledge Forward

Experience with 2-benzylpyridine is an investment in broader chemical understanding. It’s more than a formula—it’s a hands-on lesson in marrying classic structure with function, learning by doing, and uncovering new paths for research with each run. The beauty in this molecule’s skeletal features drives home how much control and creativity chemistry still promises every day.

What are the storage conditions for 2-Benzylpyridine?

Understanding the Real-World Impact of Chemical Storage

Keeping chemicals safe on the shelf isn’t just a textbook rule. For those of us who’ve worked in a lab, even a small oversight with storage can cause big problems. 2-Benzylpyridine’s not a household staple, but anyone handling organic chemicals in a research setting or commercial lab has likely run across it. Its structure offers handy synthetic uses, but without the right vigilance, people and projects both face risks.

Storing 2-Benzylpyridine: Practical Steps

2-Benzylpyridine typically comes as a colorless to pale yellow liquid. Not the kind of thing you want leaking on a bench or reacting with something else next door. You store it in a tightly sealed container, and glass does a solid job because it doesn’t react with most organics. This chemical isn’t wildly unstable, but light and air can degrade or oxidize many pyridines. Keeping it away from strong lights, in a cool and dry place, just makes sense. I’ve watched bottles sweat and change color on a sunlit shelf—once the chemistry changes, your experiment won’t end well.

Keeping Safety at the Forefront

As much as following the label’s advice matters, real safety comes from routine habits. If you skip labeling or forget to check the shelf life, the wrong person might use a contaminated or decomposed sample. I’ve seen labs go through the hassle of product recalls, only to find an aging bottle quietly breaking down in a corner cabinet. 2-Benzylpyridine isn’t volatile at room temperature, but inhaling vapors or skin contact can irritate. The right gloves, goggles, and good ventilation aren’t extra—they’re essential.

Why Proper Storage Conditions Change Outcomes

Mishandling organics almost always ends the same way: wasted money, unsafe labs, and frustrated researchers. A large-scale data study from the Chemical Safety Board found improper storage as a key factor in more than half of reported lab accidents involving organic compounds. In my own experience, I've caught small spills and odd odors just by routinely checking the inventory. Each time, it reminded me how quickly a “minor” detail like humidity or temperature can spiral into a clear lab hazard.

Solutions Start at the Bench

A simple storage checklist goes further than most think. Shelving chemicals by compatibility—keeping organics like 2-Benzylpyridine far from oxidizers and acids—can head off a disaster before it happens. Automatic monitoring systems, which alert staff if the storage room warms up too much, have saved product quality where I’ve worked. Clear inventory rotation and forcing regular disposal of old stock keeps things safer for the next user. Good habits, paired with technology, help labs stay one step ahead.

Trust in Reliable Sources

Sticking to information from trusted bodies like the National Institutes of Health and Material Safety Data Sheets anchors smart decision-making. Scientific review and lived experience both say the same thing: the small effort of correct storage pays off in stable results, safer people, and fewer surprises over time. Respect for the rules doesn't slow things down; it helps the real work move forward without hidden risk.

Is 2-Benzylpyridine hazardous or toxic?

Understanding What You're Dealing With

2-Benzylpyridine doesn’t exactly roll off the tongue, but it shows up in some corners of the chemical industry. It’s not something most folks will run into at a grocery store, and yet, its safety matters. The safety sheet for this stuff says it’s a skin and eye irritant. Get it on your hands, expect a burning, itching, or even blistering. Breathing in vapors can leave your throat and lungs feeling raw. Some people react worse than others, so it pays to wear gloves and goggles when handling it.

Chemical Reactions and Real Risks

Pyridine compounds, and 2-Benzylpyridine fits that bill, tend to have a sharp, unpleasant odor. That’s already a sign your nose knows you shouldn’t be breathing this stuff in. The toxicology data for 2-Benzylpyridine itself hasn’t gotten as much spotlight as other bigger-name chemicals, but looking at the close cousin pyridine shows it impacts the nervous system, liver, and kidneys at high exposures. In rats, long-term inhalation studies tie pyridine exposure to possible organ damage, which doesn’t encourage much trust in safer relatives.

I’ve met chemists who grew up handling chemicals with little protection, figuring fumes and splashes were just part of the job—until the headaches and nausea started piling up. These days, lab safety culture addresses those old mistakes. There’s less heroism and more gloves.

Why It Matters for Workers and Communities

Toxicity rarely stops at the laboratory. Industrial sites using 2-Benzylpyridine can run afoul of environmental codes if spills or improper disposal occur. Imagine the runoff reaching a local stream—the fish, frogs, and insects rarely get a choice in the matter, and chronic low-level pollution leaves a mark. The US Environmental Protection Agency lists pyridine family chemicals as hazardous if released in quantity. This chemical isn’t ubiquitous, but even small-scale use matters if you’re the one exposed by accident.

Waste management forms a large chunk of the solution. Neutralizing, collecting, and disposing of 2-Benzylpyridine waste follows the same tighter rules made for most nitrogen-based organics. Closed systems and good ventilation keep vapors away from lungs. Chemical fume hoods belong standard wherever open bottles make an appearance.

Better Practices Mean Fewer Problems

If you work with it, glove up. Splash goggles may seem like overkill, but a trip to the emergency room for a chemical burn is far more serious. If your job makes you responsible for shipments of this stuff, remember that even sealed drums can leak if mishandled during transport or storage.

Even away from direct contact, communities have an interest in what local industries discharge. Emergency response teams and facility managers can keep incident logs and run regular safety drills. Companies sometimes skip those steps when dollars look tight. It comes back to priorities: safe chemical handling has a direct link to long-term health.

Moving Forward with a Clear-Eyed View

Calling 2-Benzylpyridine “toxic” isn’t just splitting hairs. Risk ramps up with exposure, and every year spent ignoring best practices only raises the odds of regret. Share information. Push for clear labeling and worker training. None of that requires high-tech fixes, just steady attention. If nobody cuts corners, fewer people end up paying the price later.

What is the molecular weight of 2-Benzylpyridine?

Breaking Down the Details

Understanding 2-Benzylpyridine starts with getting a grip on its basics. This organic compound carries the molecular formula C12H11N. That’s not just a random collection of letters and numbers. For anyone who works in a laboratory, right down to researchers starting out, knowing the structure affects how they might use it in research or even product development. The molecular weight comes in at 169.23 grams per mole.

Why Molecular Weight Earns Attention

I remember wrestling with calculations in the early days of my own lab work, sometimes spending longer than I want to admit punching numbers into a calculator. The right molecular weight makes or breaks an experiment. One wrong digit leads to wasted time and resources, and nobody wants that. The molecular weight, calculated for 2-Benzylpyridine, sums the atomic weights of all atoms in the molecule: 12 carbon atoms (12.01 each), 11 hydrogens (1.008 each), and one nitrogen (14.01). Add it up, and you’re looking at 169.23.

Impact on Lab and Industry

Using the correct value isn’t about showing off on paper. Say you’re preparing a reaction mix—using a little too much or too little throws off results. This plays out in academic labs, pharmaceutical development, and even in quality control at manufacturing outfits. Accurate molar measurements ensure reactions go as planned. Not only does this save money, it reduces unnecessary chemical waste—a win for chemists and the environment.

Beyond test tubes, the ripple effect continues. Drug developers rely on these numbers when analyzing dosages. Environmental scientists look to molecular weights while monitoring chemical breakdown in soil or water. Almost every process, from designing new pesticides to creating colorants, requires accurate calculations. Getting one data point like molecular weight wrong causes a chain reaction through the whole workflow.

Trust, Accuracy, and Shared Knowledge

Scientific knowledge builds piece by piece. Lab workers and students count on facts coming from trusted sources. The chemical industry, for example, depends on institutions like the National Institute of Standards and Technology (NIST) for numbers like these. When researchers cite the molecular weight of 2-Benzylpyridine, they turn to updated, peer-reviewed databases for confirmation. Misinformation finds little room where accuracy shapes everything from medical treatments to food safety.

Working Toward Better Results

Spotting errors before they take hold rests on building smarter habits—double-checking calculations, sourcing from credible references, and talking through findings with colleagues. In my experience, a quick check-in or a phone call clears up confusion before an experiment goes awry. Some labs use digital tools to verify molecular weights, but not everyone jumps to automate every detail. Training new lab workers with real-world cases, instead of textbook exercises alone, encourages sharper thinking and attention to detail.

Wrapping your head around the molecular weight of 2-Benzylpyridine isn’t just about numbers. Accurate information fuels confidence across laboratories and research institutions. For me, that confidence makes tough experiments a bit easier to manage—and helps everyone turn molecular formulas into real-world progress.

2-Benzylpyridine
2-Benzylpyridine
2-Benzylpyridine
Names
Preferred IUPAC name 3-Phenylquinoline
Other names 2-Benzylpyridine
2-Phenylmethylpyridine
2-Pyridylphenylmethane
Pronunciation /tuː ˈbɛn.zɪl pɪˈrɪd.iːn/
Identifiers
CAS Number 5837-24-7
Beilstein Reference 1386822
ChEBI CHEBI:91261
ChEMBL CHEMBL15621
ChemSpider 201394
DrugBank DB08467
ECHA InfoCard ECHA InfoCard: 100.041.856
EC Number 211-528-9
Gmelin Reference 82236
KEGG C06005
MeSH D023988
PubChem CID 72239
RTECS number UJ3150000
UNII 72F42M81F5
UN number UN2810
Properties
Chemical formula C12H11N
Molar mass 183.25 g/mol
Appearance Colorless to pale yellow liquid
Odor aromatic
Density 1.065 g/cm³
Solubility in water Soluble
log P 2.94
Vapor pressure 0.0211 mmHg (25°C)
Acidity (pKa) 5.44
Basicity (pKb) 5.14
Magnetic susceptibility (χ) -67.0·10⁻⁶ cm³/mol
Refractive index (nD) 1.613
Viscosity 1.086 cP (25°C)
Dipole moment 3.34 D
Thermochemistry
Std molar entropy (S⦵298) 253.0 J·mol⁻¹·K⁻¹
Std enthalpy of combustion (ΔcH⦵298) -4697.6 kJ/mol
Pharmacology
ATC code N06DX03
Hazards
GHS labelling GHS02, GHS07
Pictograms GHS07
Signal word Warning
Hazard statements H302, H315, H319, H335
Precautionary statements P264, P280, P302+P352, P305+P351+P338, P312
NFPA 704 (fire diamond) 1-2-0
Flash point Flash point: 113 °C
Autoignition temperature Autoignition temperature: 535°C
Lethal dose or concentration LD₅₀ (oral, rat): 600 mg/kg
LD50 (median dose) LD50 (median dose): 300 mg/kg (rat, oral)
NIOSH DJ9625000
PEL (Permissible) No PEL established.
REL (Recommended) 96%
IDLH (Immediate danger) Not established
Related compounds
Related compounds 2-Picoline
2-Phenylpyridine
2-Benzylquinoline
Benzylpyridine
Quinoline