© 2026 Sinochem Nanjing Corporation,
All Right Reserved
Chemical name: Methyl Pivalate
Synonyms: Methyl trimethylacetate
Chemical formula: C6H12O2
CAS number: 598-35-4
Common appearance: Clear, colorless liquid with a fruity odor
Typical uses: Often found in flavors, fragrances, and chemical research, this liquid shows up in many labs with professionals relying on it for organic synthesis. They count on having the right information because any misunderstanding about identification could lead to wrong handling, which increases chances of exposure and risk.
Main hazards: Moderately flammable liquid, can produce irritating fumes or vapors on heating
Health effects: Breathing in vapors may irritate the respiratory tract. Skin and eyes also face irritation on direct contact. Swallowing poses risks to the digestive tract, showing up as nausea or vomiting. Extended exposure carries chances for headaches and dizziness. The chemical brings acute effects more than chronic ones, but repeated or long-term handling without protection sparks concern.
Main component: Methyl Pivalate (over 99%)
Impurities: Trace organics, usually from production, rarely influencing handling for the average user
Physical state: Liquid, most commonly encountered in small laboratory bottles or commercial drums. Purity matters because trace contaminants may affect hazard and reactivity, though in most cases, the chemical retains its normal risk profile.
Inhalation: Move person to fresh air, keep comfortable, seek attention if symptoms last. Experienced chemists stay alert for coughing, throat irritation, or dizziness.
Skin contact: Remove contaminated clothing, wash skin with plenty of water and mild soap. Users report that early washing helps avoid prolonged discomfort.
Eye contact: Rinse eyes cautiously with water for several minutes, remove contact lenses if present. If pain or vision changes persist, get medical help. Not many chemicals sting like this one, but immediate washing typically helps.
Ingestion: Avoid inducing vomiting, rinse mouth with water, and call medical services. Some cases mention nausea sets in, but most adults recover without need for hospitalization if treated quickly.
Suitable extinguishing agents: Use foam, dry chemical powder, or carbon dioxide. Water may spread the product, so apply only as spray to cool surfaces.
Special hazards from fire: Burning releases carbon monoxide and carbon dioxide, with acrid smoke at times.
Advice for firefighters: Wear self-contained breathing apparatus. Fight fire from upwind if possible, and watch out for run-off that could spread contamination. Flammable liquids behave unpredictably, so staying one step ahead with the right equipment always proves wise.
Personal precautions: Ventilate the area, avoid inhaling vapors. Gloves and goggles serve as standard issue—anyone cleaning up carries authority to halt work if they lack this protection.
Environmental precautions: Prevent product from entering waterways or sewers; report spills as needed to local authorities. Methyl Pivalate spreads easily because of its liquidity, so sand or absorbent material works best.
Cleanup methods: Contain and collect spilled liquid with inert absorbent. Store collected material in closed containers for proper disposal. This step can spare a facility bigger trouble with regulatory inspections.
Safe handling: Use only in well-ventilated spaces, minimize splashes, and keep containers closed when not in use. It pays to double-check containers because even small leaks can create powerful fumes.
Storage conditions: Store in a cool, dry, well-ventilated place, away from heat sources, sparks, or open flame. Chemical users should separate it from oxidizers or acids to keep reactivity at bay. Steel or glass containers work fine, but plastic might degrade over time.
Additional precautions: Use spark-proof tools and avoid static while transferring. Anyone who’s spilled volatile solvents on themselves knows that the right approach at this step saves time and headaches later.
Exposure limits: No specific occupational exposure limits set, but keeping air levels low has always stood as basic good practice.
Protective equipment: Nitrile or neoprene gloves, splash-resistant goggles, and lab coats help keep splashes and vapors off skin and eyes. Respiratory protection for poorly ventilated areas or large spills.
Engineering controls: General room ventilation often works, though fume hoods get used for larger quantities or in confined spaces. In my experience, skipping ventilation leads to headaches and complaints, especially during warmer months.
Appearance: Clear, colorless liquid
Odor: Fruity, sweet
Boiling point: About 107°C
Flash point: Near 16°C (closed cup), points to easy ignition if vapors concentrate
Vapor pressure: Moderate at room temperature, so vapors form even in cool labs
Solubility: Slightly soluble in water, easily mixes with organic solvents
Density: Roughly 0.87 g/cm³
Other properties: Low viscosity, makes spills spread fast and easy to overlook. Chemical handling gets tricky due to rapid vapor formation, so open bottles only under ventilation.
Chemical stability: Stable under recommended storage and handling conditions
Possible reactions: Reacts with strong acids, bases, or oxidizers; may form flammable vapors and undergo hydrolysis over time
Hazardous decomposition: Releases carbon monoxide, carbon dioxide, and trace organics if burned or overheated. I’ve seen more than one fire drill trace back to solvents like this stored near pilfered heat lamps.
Incompatibilities: Avoid strong oxidizing agents; these may trigger violent reactions.
Routes of exposure: Eyes, skin, inhalation, ingestion
Possible effects: Short-term exposure brings drowsiness, irritation, and coughing. Animal studies connect large doses to mild nervous system effects, but typical workplace use rarely brings chronic harm if handled carefully.
Symptoms from exposure: Eye redness, skin irritation, nausea, dizziness, and headaches
Chronic effects: Limited data shows little concern for bioaccumulation or long-term risk, but constant handling with poor ventilation always prejudices health over years.
Aquatic toxicity: Not highly toxic but could pose risk to aquatic life in large spills
Persistence and degradability: Breaks down in the environment; not considered persistent
Bioaccumulation: Low potential, does not build up in living tissue
Environmental impact: Even with low persistence, careful disposal reduces pressure on treatment plants and local waterways.
Waste disposal: Incinerate according to local regulations or take to licensed chemical disposal facility. Pouring it down the drain brings unnecessary trouble, both legal and environmental.
Contaminated packaging: Triple-rinse bottles and mark them for hazardous waste. The effort up front sidesteps more expensive remediation later.
Best practices: Segregate this waste from oxidizers, acids, and food waste. Following the right steps keeps others safe and avoids cross-contamination.
Shipping name: Methyl Pivalate, Flammable Liquid
Hazard class: 3 (Flammable liquids)
Packing group: III (for liquids with lower risk in transport)
Transport labels: Flammable Liquid
Precautions: Ship in approved containers, upright, and away from ignition sources or incompatible cargo. Even a small spill during shipment leaves headaches for handlers down the supply chain.
Chemical inventories: Registered for commercial use in the US, EU, and Asia
Worker protection laws: Falls under general chemical safety standards. Requirements in many workplaces include labeling, hazard training, and emergency procedures.
Community safety: Transport and storage in bulk requires permits in certain areas, especially near populations or waterways. Proper labeling and safety data ensure responses are quick if something goes wrong.
