© 2026 Sinochem Nanjing Corporation,
All Right Reserved
Name: Beta-Pinene
Chemical Formula: C10H16
CAS Number: 127-91-3
Common Uses: Solvent, fragrance component, raw material for synthetic flavors, often found in pine resin and some essential oils.
Physical Appearance: Colorless to slightly yellow liquid with a woody-green, resinous smell reminiscent of a pine forest.
Hazard Classification: Flammable liquid, may cause skin and eye irritation, respiratory tract irritation possible upon inhalation, moderate environmental hazard as it is toxic to aquatic life, can easily catch fire above room temperature due to low flash point.
GHS Pictograms: Flame, exclamation mark, environment.
Signal Word: Warning for flammability and skin/eye effects.
Main Risks: Fire and explosion risk in handling areas lacking ventilation; health issues with frequent contact; waterway pollution risk on accidental release.
Identity: Beta-Pinene, C10H16, typically pure or with alpha-pinene traces in natural sources.
Impurities: Other terpenes may be present depending on the source, yet not always a concern unless chemically sensitive or focused on purity for specific end-uses.
Inhalation: Fresh air helps, possible mild central nervous system effects like dizziness, headache, nausea if exposed in closed spaces with poor airflow.
Skin Contact: Rinse thoroughly with soap and water, pay attention to repeat exposure, because irritation can build over time.
Eye Contact: Rinsing eyes with water needed, keep eyes open and flush gently for several minutes.
Ingestion: Seek immediate medical advice, rinsing mouth suggested without inducing vomiting because of aspiration risk.
Suitable Extinguishing Media: Use dry chemical powder, foam, or carbon dioxide; avoid direct water jet as it could spread the burning material.
Special Hazards: Vapors travel along surfaces, potential for flashback to ignition source, dense smoke with irritating decomposition gases possible.
Protective Equipment: Firefighters wear full protective gear including self-contained breathing apparatus, keeping a safe distance as heat may rupture sealed containers.
Personal Precautions: Close sources of ignition, ventilate area, avoid direct contact with liquid, wear gloves and goggles.
Environmental Precautions: Contain spill to prevent it from reaching sewers or water bodies, beta-pinene is toxic to aquatic organisms.
Cleanup Methods: Absorb spill with earth, sand, or other inert material; collect and store in metal or glass containers for appropriate disposal.
Handling: Only open in well-ventilated locations, keep away from heat, sparks, and open flames, ground containers to prevent static discharge.
Storage: Store in tightly sealed containers, away from direct sunlight and oxidizing agents, temperature stability helps prevent pressure buildup.
Incompatible Materials: Strong acids or oxidizers trigger violent reactions, so separation matters in shared storage spaces.
Engineering Controls: Use local exhaust ventilation or work in a chemical fume hood, especially during large-scale operations.
Respiratory Protection: A properly fitted organic vapor respirator is a must in enclosed environments or with significant vapor emission.
Skin Protection: Chemical-resistant gloves preferred; nitrile or neoprene do a better job than simple latex.
Eye Protection: Safety goggles or a face shield if splashing could occur.
Hygiene: Wash hands thoroughly after handling, avoid rubbing contaminated hands near the eyes or mouth.
Appearance: Clear, colorless to pale yellow liquid.
Odor: Strong pine, woody, and turpentine scent.
Boiling Point: Around 165°C.
Flash Point: Typically near 34°C, meaning indoor heat sources can create ignition risks.
Solubility: Immiscible with water, soluble in organic solvents like ethanol or ether.
Vapor Pressure: Moderate at room temperature, so volatilization can be a real concern without lids or sealed containers.
Chemical Stability: Stable under recommended storage conditions, but exposure to air causes slow oxidation and resin formation.
Reactivity: Reacts exothermically with oxidizers, acids, or strong bases.
Hazardous Decomposition: Burning releases carbon monoxide, carbon dioxide, and other irritating aldehydes.
Routes of Exposure: Inhalation, dermal, ocular, oral.
Symptoms: Skin redness and irritation, dryness or cracking if exposure repeated, eyes water or redden on splash, nausea and headaches on heavy vapor inhalation.
Sensitization: Prolonged or repeated contact may trigger allergic skin reactions in susceptible individuals.
Short-term Toxicity: Low in acute toxicity but known to be irritating.
Long-term Effects: Frequent skin contact increases risk of dermatitis for some people; vapor exposure could aggravate asthma.
Aquatic Toxicity: Harmful to aquatic organisms, impact can last if batch enters waterways, even trace amounts build up in sediment and harm small aquatic life.
Mobility: Low solubility in water but can float and spread over water surfaces.
Persistence and Degradability: Breaks down in air over time, in water persists long enough to be a problem if not contained.
Bioaccumulation: Not especially likely to accumulate in major food chains, but toxicity at the start of the chain still matters.
Waste Handling: Must be collected in labeled containers, take to authorized chemical collection or hazardous waste facility.
Methods: Never pour down the drain or mix with household trash, physical separation and incineration preferred where available.
Empty Containers: Rinse thoroughly before recycling—vapors in residual volumes still ignite under the right spark.
Classification: Flammable liquid for ground, air, and sea shipment.
Labeling: Packages need clear flammable liquid signage, and only certain container types qualify for commercial transfer.
Precautions: Secure lids, handle gently to prevent leaks; keep away from heat during shipment.
Hazard Communication: Subject to strict labeling and documentation standards in many countries due to flammability and health concerns.
Control Standards: Occupational limits for workplace exposure set in parts per million, enforcement by workplace inspectors in many industries.
Environmental Regulations: Discharge to surface water or soil is banned or tightly limited in much of the world, in line with chemical safety legislation aimed at protecting fish and plant life.
