Understanding β-Pinene: Substance, Story, and Scope

Historical Development

β-Pinene caught attention long before modern labs drilled into its molecular skeleton. Its story weaves through old pine forests and Mediterranean groves, where resin’s scent stuck to the air and seeped into everything. For centuries, people collected pine gum for its sticky strength and sharp smell, pressing it into soaps, varnishes, folk medicines, and lamp oils. By the nineteenth century, chemical pioneers like Wallach and Tiemann started isolating terpenes from essential oils. β-Pinene found a spot in the growing lexicon of natural chemicals. Early research noted its distinctive green, spicy aroma and its no-nonsense presence in turpentine oil. The paper trail carved its official path in organic chemistry and plant physiology, gradually pushing this unassuming hydrocarbon into the limelight of both industrial production and academic curiosity.

Product Overview

β-Pinene belongs to the monoterpene family, a group known for intensely fragrant flavors and an uncanny versatility across consumer products. Usually sourced from pine and fir trees, it often appears as a colorless liquid with a fresh, woodsy edge. Companies bottle or refine it at industrial scale for perfumery, flavoring, and solvents. Where linalool softens a blend and limonene sweetens things up, β-Pinene gives products that unmistakable resinous punch. Whether you pick up a bottle of pine cleaner, a tub of peppermint salve, or a neat little vial of essential oil, you probably run straight into β-Pinene’s unmistakable signature.

Physical & Chemical Properties

The molecular structure of β-Pinene sports a bicyclic ring, giving rise to a robust but volatile profile. The chemical formula, C10H16, lines up with many monoterpenes. Under normal conditions, it pours out as a clear or faintly yellowish oil. Its boiling point aims near 163°C, which tells you it stands up decently to heat but still evaporates fast enough to lift a scent from soap, floor polish, or a steaming mug of herbal tea. Its low solubility in water means it rarely mixes neat with aqueous solutions. It spreads easily in alcohols and nonpolar organic solvents—one reason industries love blending it into various concentrates. With a refractive index sitting at about 1.485 and a density of around 0.86 g/cm3, it behaves quite predictably in the lab, making it a reliable workhorse among terpene compounds.

Technical Specifications & Labeling

Commercial β-Pinene generally comes labeled with properties like purity percentage, optical rotation, specific gravity, refractive index, and boiling point. Reliable producers test batches for trace impurities, especially α-Pinene, limonene, or other volatile monoterpenes that may affect application or sensory quality. Certificates of analysis usually back up these numbers, helping buyers gauge both authenticity and handling needs. International importers and laboratories stick to standards set by organizations like the FCC and ISO. Labels mark both the CAS number and the EC number, listing batch numbers and storage advice. Since β-Pinene stands as a flammable substance, manufacturers print warnings about vapor control, proper ventilation, and container compatibility where flammable goods overlap with food ingredients or fragrances.

Preparation Method

The majority of β-Pinene comes from turpentine distillation. Logging operations draw crude turpentine from pine trees, and refining plants sort out the resin’s complex composition. Fractional distillation splits the volatile components, usually achieving a β-Pinene yield well above 80%. For higher purities, chemical extraction and repeated rectification remove sulfur- or oxygen-bearing side products. Other routes involve pyrolysis of certain essential oils from rosemary, parsley, or basil. Synthetic chemists replicate β-Pinene from pinene-rich feedstocks using catalytic isomerization, although demand for “naturally sourced” material usually keeps this route in check. Recovered β-Pinene heads to barrels or totes for bulk sale, ready to flavor, fragrance, or grease up new formulations.

Chemical Reactions & Modifications

β-Pinene’s reactive double bonds tempt organic chemists and manufacturers into a whole raft of conversions. Oxidation yields pinocarveol or myrtenol, both handy as intermediates in flavor or pharmaceutical production. Addition reactions with acids or halogens add new functional groups or break open the rings, supplying ingredients for adhesives or perfumery aldehydes. Hydrogenation fully saturates the molecule, giving rise to isomerized versions with relaxed, less piquant aromas. With a quick twist of heat and acid, β-Pinene rearranges into α-Pinene or other terpene skeletons. This flexibility under laboratory and industrial conditions keeps it on the shortlist for synthetic schemes and specialty chemicals.

Synonyms & Product Names

β-Pinene goes by a handful of other names, each showing up in slightly different contexts. Chemists often tag it as (-)-β-Pinene or (1R,5R)-2,6,6-trimethylbicyclo[3.1.1]hept-2-ene. Trade names vary depending on the source: Pineene, Dipentene-B, or in older catalogs, "Levo-pinene" or "Pinene Beta." In the essential oil circuit, suppliers might emphasize it as “natural β-Pinene” to distinguish from α-Pinene or isomerized fractions.

Safety & Operational Standards

β-Pinene’s volatility and flammability demand respect. Its vapors can form combustible mixtures in the air, so open flames or accidental sparks around barrels or distillation units spell trouble. Worker safety calls for proper extraction hoods, personal protective equipment, and rigorous storage controls. Contact with raw β-Pinene may irritate skin or eyes, and high exposure leads to headaches or dizziness. Environmental handling also matters, since air releases contribute to photochemical smog through reaction with ground-level ozone. Companies must meet local and global chemical safety rules. MSDS sheets lay out proper first aid, spill response, and safe disposal, tying every stage of the supply chain to regulatory frameworks like REACH or TSCA. Ongoing risk assessment ensures that uses in flavor, fragrance, or health care settings stay well inside safe operating margins.

Application Area

Industries reach for β-Pinene to bridge nature and synthesis. The food and drink trade uses it to brighten citrus or herbal notes in flavoring blends, giving hard candy, gum, and nonalcoholic drinks their sharp, clean finish. Perfumers blend it for green, piney top notes in cologne and aftershave. Soap-makers rely on its solvency to dissolve greasy actives and leave a crisp scent. Paint and coatings companies lean on its solvent power to deliver resins where latex or water-based formulations struggle. β-Pinene even pops up in agricultural sprays as a carrier for active ingredients, helping deliver nutrients or pest deterrents evenly across plant surfaces. Pharmacy and natural medicine sectors mine β-Pinene for its antimicrobial hints—sometimes promoting it as a nasal decongestant or as a part of aromatherapy sessions. With legalization and regulation in the cannabis industry, new research explores its influence on inhaled terpene blends and the so-called "entourage effect" in wellness products.

Research & Development

β-Pinene’s straightforward structure continues to surprise scientists with untapped possibilities. University and industrial chemists probe new catalysts that push selective oxidation or rearrangement reactions further without toxic byproducts. Food R&D teams experiment with encapsulation techniques to stabilize its aroma in shelf-stable products, chasing natural freshness without synthetics. Analytical chemists map out trace impurities and reaction byproducts to lock down safety for pharmaceutical use. Botanists analyze how stress, drought, and genetics control β-Pinene synthesis in pine, juniper, and cannabis—which may someday help breed trees with better wood or pest resistance. The emerging green chemistry movement digs into bio-based solvents, sustainable extraction, and biorefinery models, all with β-Pinene at the heart of a more circular chemical economy.

Toxicity Research

Scientific journals dig deep into the toxicological side of β-Pinene. Most studies group it with other monoterpenes to test acute and chronic exposure impacts. Inhalation or skin contact with modest levels rarely causes more than temporary irritation, but high concentrations in confined spaces can depress the nervous system and worsen respiratory symptoms. Animal models tell researchers how quickly it metabolizes, what types of metabolites show up in the blood, and where tissue irritation might appear. Regulatory agencies in Europe and North America cap occupational exposure and require respiratory protection at certain thresholds. Labs keep tracking mutagenic or carcinogenic risks in both raw and reaction-altered samples; so far, β-Pinene hasn’t drawn the same suspicion as some oxidized terpenes, but no one lets their guard down. The research asks for more studies on low-level, long-term effects—especially as plant-based chemicals show up more widely in the wellness and cleaning aisles.

Future Prospects

β-Pinene looks set for new chapters in both high-volume and niche chemistry. The drive for renewable chemicals lifts it from just another solvent or scent molecule to a potential stepping-stone for bio-based plastics, adhesives, and pharmaceuticals. Scientists hunt for ways to ferment β-Pinene from engineered microbes rather than chopping down ever more pine forests—aiming for climate-neutral production and supply. Scale-up of bioconversion and green extraction could open doors where traditional petrochemical pathways run dry or carry regulatory headaches. Consumer demand for “clean label” ingredients promises a longer runway for β-Pinene in flavors, fragrances, and even medicinal blends, provided that safety research keeps up. The evolution from age-old pine forests to precision fermenters or zero-waste biorefineries charts a future where natural molecules like β-Pinene shape industries far beyond their roots in sticky resin.



What is β-Pinene and what are its main uses?

The Roots of β-Pinene

Walk through a pine forest in the early morning, and the refreshing aroma filling the air comes from compounds like β-pinene. Found in the oils of pine trees and many other plants, β-pinene shapes the scent of nature but offers a lot more beyond its fragrance. Resin from coniferous trees has played a part in human lives since ancient times—used as a sealant, medicine, and even in spiritual practices. β-pinene stands out among over a hundred terpenes in these resins.

Industrial and Everyday Uses

β-pinene serves multiple industries well. Its fresh, woody smell finds a place in perfume formulas, cleaning products, air fresheners, and flavors. Most people don’t think twice about what shapes the clean, citrusy punch in a household cleaner, but this terpene does the aromatic heavy lifting. Soaps, lotions, shaving creams, and even chewing gum thrive on its natural note.

Its value extends far beyond household scents. β-pinene acts as a starting point for synthesizing more complex chemicals. Firms making flavors and fragrances often turn to β-pinene since it breaks down easily into compounds like myrcene and linalool, both vital for food and drink industries as well as health products. β-pinene also provides a natural alternative to petroleum-based chemicals, setting a precedent for greener chemistry. This edge is important: with growing concerns over sustainability, replacing substances derived from fossil fuels with plant-based ones builds resilience in supply chains and supports cleaner production methods.

Role in Medicine and Agriculture

Traditional remedies haven’t lost sight of this compound either. Folk medicine in several cultures uses pine oil for its soothing and antiseptic qualities. Research continues to uncover antimicrobial and anti-inflammatory traits of β-pinene, opening doors for future medicines and therapies. While β-pinene won’t replace antibiotics, scientists see potential in using it to support respiratory health or as a mild antimicrobial agent in natural health products. This can help meet demand for gentler, plant-based solutions, especially in regions looking for alternatives to pharmaceuticals that have unwanted side effects.

The farming sector taps into β-pinene in subtler ways. Manufacturers of natural pesticides and repellents look toward terpenes like β-pinene because insects respond to their scents. Some studies hint it may help control pests without harming crops or beneficial insects, a plus for farmers moving toward organic practices.

Challenges and Looking Forward

Despite all these positive angles, β-pinene’s supply depends heavily on tree harvest. Overexploitation of forests and pressure from pests like pine beetles could limit supply or spark quality worries. Cutting down trees not just for scent but for chemicals can speed up deforestation, and while technologies exist to capture β-pinene as a byproduct of paper and wood pulping, waste can be a problem if not managed right.

The smartest solution sits in stronger forest management and investing in methods that extract β-pinene from existing waste streams rather than cutting old-growth forests. Supporting efforts to recycle wood pulp waste or develop more efficient extraction methods from farmed trees can keep this valuable terpene in good supply. By valuing natural resources, supporting research, and holding companies accountable, β-pinene can remain a vital player in greener chemistry, wellness, and daily life.

Is β-Pinene safe for human consumption or inhalation?

What Is β-Pinene and Where Does It Show Up?

β-Pinene drifts from green forests, especially in pine, rosemary, and dill. Fires crackling on a camping trip often smell a little sharper thanks to this same plant chemical. Perfumers have leaned on its fresh, woodsy kick to shape all sorts of scents and air fresheners. Food processors use it as a flavor in small doses. It’s been around people in one form or another for a long time.

Exposure Through Inhalation

Walking through a pine forest fills your lungs with β-Pinene, but city living swaps that out for cleaning sprays and synthetic fragrances. Lab studies show inhaling this natural oil at low, everyday levels doesn’t trigger problems for most folks. The Environmental Protection Agency and European regulators agree: typical air levels in homes or outdoors don’t raise red flags for healthy adults or kids. Rarely, a strong blast from essential oil diffusers or cleaning sprays irritates folks with asthma or allergic noses. Science hasn’t turned up strong evidence that average home exposures scar the lungs or drive up risk for disease, though heavy workplace exposure in factories sometimes causes headaches or coughing.

β-Pinene in Food and Drink

The FDA brands β-Pinene as “Generally Recognized as Safe” (GRAS) for use in flavorings. You’ll find a pinch in citrus sodas, candies, gum, and even a handful of beers. Digestive complaints or allergic reactions tied directly to this ingredient don’t turn up much in medical literature. Most foods only use traces of it for aroma or as a flavor booster. Swallowing large, undiluted amounts—well beyond what turns up in food—makes anybody sick, but that’s true for most essential oils.

Research Behind Its Safety

Hard data backs up what orchard workers and chefs picked up by experience. Lab rodents given massive doses far beyond human exposure levels sometimes suffered stomach or lung irritation, but not cancer or long-term organ damage. Skin allergy tests with diluted β-Pinene rarely trigger reactions, though some people with especially sensitive skin break out if exposed over and over. Real-world use in perfumes and food hardly ever matches up with these high-test lab doses.

Who Should Take Extra Care?

People with asthma or chronic breathing trouble sometimes notice symptoms flare up around pine-scented cleaners or certain air sprays containing β-Pinene. Folks with a history of rashes or fragrance allergies occasionally react on skin contact. Kids and pets stay safest away from undiluted oils or strong-smelling air products.

Cautions, Common Sense, and Solutions

Many risks pop up only when folks play with concentrated β-Pinene—not the trace amounts in food or fresh air. Avoid breathing thick fumes from cleaning sprays or using undiluted oil on your skin. Workers in flavor factories or jobs surrounded by pine oil should get good ventilation and gloves. Consumers who use essential oils in diffusers can air out rooms and avoid crowding them with pets or babies. Product labels tell you how concentrated a thing is, so reading the fine print matters. Hospitals usually patch up accidental exposure with no lasting harm, but swallowing or snorting large amounts is another story.

Looking Ahead: Transparency and Smarter Choices

People are hungry for more detail about ingredients mixed into air or food. Clearer labeling and open communication build trust and give people power—especially those with sensitivities. Collecting more long-term health data could help settle the scattered questions left over from animal studies. Until then, sticking to diluted consumer products and following common-sense safety steps keeps most folks out of trouble with β-Pinene.

What are the potential health benefits and risks of β-Pinene?

What Is β-Pinene?

β-Pinene, a natural compound found in pine trees, rosemary, parsley, and basil, gives off that fresh, earthy pine scent outdoors. People can find it in essential oils, forest air, and even chewing gum. Its presence in daily life makes it worth examining for its impact on health, both in good ways and those that call for caution.

Exploring the Benefits

Anyone who’s taken a walk in a pine forest knows the refreshing feeling of breathing in crisp, scented air. That comfort isn’t just in our heads. Studies show β-Pinene may help with inflammation. For instance, animal research published in Fitoterapia found β-Pinene helped reduce swelling, pointing to anti-inflammatory abilities. This could support people looking for relief from joint pain or minor irritations.

There’s more: β-Pinene might work as an antimicrobial. Research from 2018 highlighted how it slowed the growth of harmful bacteria, offering some support for its long-standing use in herbal remedies. Whether added to natural cleaning products or taken as part of certain herbal preparations, this property could be handy against unwanted germs.

Some early lab studies hint that β-Pinene can act as an antioxidant. By mopping up free radicals, it could help protect cells from damage. These sorts of findings matter since everyday life brings plenty of sources of stress for our bodies — pollution, processed foods, and stress itself. Keeping cell damage in check adds up over a lifetime.

The Risks People Should Know

Breathing in compounds like β-Pinene for short periods, such as during a hike or while using essential oils, won’t usually cause harm for most individuals. Problems can begin with heavy or repeated exposure. Industrial workers or people using strong concentrations of essential oils may inhale much more than the average person. Inhalation of high levels brings risks: headaches, dizziness, or irritation in the throat and eyes. The U.S. National Institute for Occupational Safety and Health (NIOSH) has recommended limits for exposure in workplaces to help protect folks from these issues.

It’s wise to remember that some individuals have sensitive skin or allergies. Products containing β-Pinene might cause rashes, redness, or swelling. Patch testing on a small skin area before using a new oil or cream makes sense, based on personal experience working with herbal products and seeing people react unpredictably now and then.

Swallowing concentrated β-Pinene isn’t safe. Even though it flavors food sometimes, concentrated forms used for aromatherapy or industrial purposes shouldn’t go near food prep. Reports show that ingesting large amounts can cause stomach upsets and, in rare cases, poisoning symptoms. Parents and pet owners should keep essential oils containing β-Pinene away from little hands and curious animals.

Finding a Balanced Approach

Fresh air in a pine forest feels great; bottled versions of that outdoorsy scent or concentrated oils need common sense. Following label directions matters. Those with chronic health problems or folks who are pregnant should talk with a doctor before using essential oils containing β-Pinene. Industry can help by sticking to safety guidelines and keeping workers informed and protected.

Science keeps investigating, and people keep experimenting with natural products. If used thoughtfully, β-Pinene offers interesting benefits, but respect for safety guidelines keeps risks in check. Personal experience and evidence both show value in staying informed and aware.

How should β-Pinene be stored and handled?

Getting Real About β-Pinene: Why Safe Storage Matters

β-Pinene stands out in many flavor, fragrance, and chemical processes. It delivers that fresh, piney aroma, and several industries rely on it for production routines. Here's the deal, though—unlike many raw materials, β-Pinene presents real hazards if treated carelessly. My years around labs and warehouses have shown just how quickly a tiny spill can turn a workspace into a headache. Flammable vapors, eye-watering stench, or reactiveness with the wrong plastic all add up. So if someone calls storing β-Pinene a minor chore, they haven't spent much time with the stuff.

Flammability: Not Just a Label on a Can

I once watched a poorly closed β-Pinene drum ignite with barely a spark. The lab lost a lot that day—research, equipment, and confidence too. β-Pinene’s low flash point means vapors can catch fire below standard room temps. Any stray ignition source within range can set off trouble. So, every bottle and barrel belongs in a cool, well-ventilated spot, far from sunlight, heating units, or even large windows. Flame arresters and grounding do a lot, and small details like proper cap seals make a difference.

Sticking β-Pinene next to oxidizing chemicals spells disaster. Its volatile nature calls for strict segregation—no lazy “just for today” shelf sharing.

Container Choice: Plastics and Metals Both Have a Say

Glass usually handles β-Pinene without a fuss and it resists chemical attack over time. Metal drums work too, but only with lined interiors. Raw steel or aluminum can corrode and turn a good batch into a risky mess. Some plastics work, but not all—polyethylene works in a pinch, polystyrene melts. Any sign of swelling or warping signals a big risk.

Labeling and Inventory: Cutting Corners Isn’t Worth It

Many small businesses store mixes and raw ingredients side by side in shared rooms. β-Pinene demands clear, durable labeling—hazard warnings, handling tips, even emergency phone numbers. A clear chain of custodian responsibility should exist. This isn’t about ticking boxes; it’s about people’s safety. An unmarked, misplaced bottle in a crowded workspace can spark confusion and accidents.

Ventilation and Personal Safety: Protect Your Team

Vapors build up faster than you might think, even from a closed container on a warm day. Proper airflow stops that. Mechanical ventilation combined with local exhaust gives the safety net. Beyond that, even quick pours or transfers mean donning nitrile gloves, goggles, and lab coats. Splashes sting, even in small amounts.

Some folks say, “It’s just a natural extract.” That’s a trap. Natural doesn’t mean safe in all settings. My own practice involves holding quick refreshers every few months—reminders on fire protocols, spill kits, and chemical burns. I’ve watched these sessions pay off when minor incidents stay minor.

Thinking Long-Term

Regulations exist for a good reason—OSHA, NFPA, and local codes aren’t red tape to skip. Some managers try to save budget by skimping on certified cabinets or proper signage. My view: invest up front and skip expensive accidents, fines, or worse.

Handling and storing β-Pinene calls for respect, not fear. The know-how spreads safety across the team, building trust and preventing damage. Day to day vigilance makes work environments safer and easier for everyone who handles or stores this chemical.

What are the common sources and natural origins of β-Pinene?

Getting to Know β-Pinene in Daily Life

Step into a pine forest and breathe in deeply. That sharp, fresh scent comes from compounds like β-Pinene. Many people associate this fragrance with a walk among pines, but few realize how widespread β-Pinene is across the plant kingdom. It’s a terpene, part of the same chemical family as limonene and myrcene, which shape much of the outdoors’ fragrance profile.

Pine Trees: Leaders in β-Pinene Production

Pine trees truly stand out when talking about common sources of β-Pinene. The compound is found in large amounts in the resin of species such as Pinus sylvestris (Scots pine), Pinus nigra (Austrian pine), and Pinus taeda (loblolly pine). Their needles, bark, and resin contain β-Pinene as a defense against insects and as a healing agent when damaged. In my gardening days, scraping pine bark released that unmistakable aroma, a hint that the tree was loaded with natural terpenes like β-Pinene.

Other Trees and Plants Stepping In

Beyond classic pines, cypress (Cupressus sempervirens), Douglas fir (Pseudotsuga menziesii), and spruce (Picea abies) also generate notable levels of β-Pinene. Even juniper bushes participate, leaving their mark on gin’s flavor. Eucalyptus species and some hardwoods like oaks and birches contribute, although in smaller concentrations. I’ve spent a few seasons working with essential oil enthusiasts, and the diversity of plant origins often surprised people used to thinking of terpenes as strictly a “pine thing.”

Herbs, Fruits, and Agricultural Crops

Not all β-Pinene comes from towering forest trees. It appears in herbs and crops people bring into their kitchens. Basil, parsley, and rosemary deliver β-Pinene as part of their aromatic punch. Citrus peel, particularly from limes and lemons, contains traces. Hops used for brewing beer also include this compound, influencing flavor profiles. Every summer, harvest time brings waves of herbal scents, and β-Pinene finds its way from farm to bottle in essential oils and food extracts.

Through the Air: β-Pinene’s Role in Nature

Plants release β-Pinene into the air as a volatile organic compound. Forests, especially coniferous ones, act like living factories, cycling β-Pinene through the atmosphere. This release is more than just an aroma—it impacts air quality and even weather patterns by helping to form secondary organic aerosols. No laboratory can truly compete with the living landscape’s impact here. I’ve read reports from environmental scientists measuring β-Pinene at the tree canopy level, often finding concentrations that shift with the seasons.

Supporting Healthy Forests and Responsible Harvest

Large-scale harvesting of pine, spruce, or fir trees for essential oils or turpentine pulls significant quantities of β-Pinene from nature. Sustainable forestry practices help maintain healthy populations and habitats for wildlife. Responsible extraction, combined with the use of plantation-grown species, keeps wild ecosystems balanced. Over the years, a push towards certified sustainable sources has improved practices for essential oil companies, providing consumers and businesses with better options while supporting forest health.

Looking Ahead at Plant Chemistry

β-Pinene doesn’t just play a fragrant role in our lives. From stimulating new research into medicinal uses to helping shape flavors and scents in foods, it brings a lot to the table. Its natural origins from pines to parsley, forests to fields, show the deep connection between biodiversity, chemistry, and daily life. Science will keep uncovering more uses, but knowing where β-Pinene comes from keeps us grounded in the world around us.

β-Pinene
β-Pinene
β-Pinene
Names
Preferred IUPAC name 4,6,6-Trimethylbicyclo[3.1.1]hept-2-ene
Other names Pin-2(10)-ene
beta-Pinene
(-)-β-Pinene
2(10)-Pinene
Nopinene
Pronunciation /ˈbeɪ paɪniːn/
Identifiers
CAS Number 127-91-3
Beilstein Reference 1836
ChEBI CHEBI:17578
ChEMBL CHEMBL156047
ChemSpider 14920
DrugBank DB14018
ECHA InfoCard 100.013.688
EC Number EC 204-872-5
Gmelin Reference 1435
KEGG C06575
MeSH D010769
PubChem CID 6556
RTECS number EKJ07000**0**
UNII Y6A7MKN9OA
UN number UN1993
Properties
Chemical formula C10H16
Molar mass 136.24 g/mol
Appearance Colorless liquid
Odor pine odor
Density 0.857 g/mL at 25 °C
Solubility in water 0.015 g/100 mL
log P 2.8
Vapor pressure 4 mmHg (25 °C)
Acidity (pKa) 19.18
Basicity (pKb) 12.19
Magnetic susceptibility (χ) -66.6·10⁻⁶ cm³/mol
Refractive index (nD) 1.492
Viscosity 0.857 mPa·s (25 °C)
Dipole moment 0.13 D
Thermochemistry
Std molar entropy (S⦵298) 347.6 J·mol⁻¹·K⁻¹
Std enthalpy of formation (ΔfH⦵298) -205.6 kJ/mol
Std enthalpy of combustion (ΔcH⦵298) -3306 kJ/mol
Hazards
GHS labelling GHS02, GHS07
Pictograms GHS02,GHS07
Signal word Warning
Hazard statements H226, H304, H315, H317, H410
Precautionary statements P210, P233, P240, P241, P242, P243, P261, P272, P273, P280, P301+P310, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P312, P331, P333+P313, P337+P313, P362+P364, P370+P378, P403+P235, P405, P501
Flash point 39 °C
Autoignition temperature 220 °C
Explosive limits Explosive limits: 0.8–6.0%
Lethal dose or concentration LD50 oral rat 4700 mg/kg
LD50 (median dose) LD50 (median dose) of β-Pinene: 4700 mg/kg (rat, oral)
NIOSH SD8575000
PEL (Permissible) PEL (Permissible Exposure Limit) of β-Pinene: 20 ppm (TWA)
REL (Recommended) 5 ppm
Related compounds
Related compounds Pinene
α-Pinene
Camphene
Myrcene
Limonene
Sabinene