Product name: 2-Methyl-2-ethyl-1,3-propanediol
CAS number: 115-70-8
Synonyms: MEG, 2-Ethyl-2-methyl-1,3-propanediol
Recommended use: Intermediate for polyester resins, plasticizers, lubricants, adhesives
Supplier: Chemical manufacturers and distributors
Emergency contact: Chemtrec +1-800-424-9300 or local emergency number
Address: Refer to packaging or invoice for source location and supplier contact details
Classification: Not classified as hazardous under GHS/OSHA regulations, but can cause irritation
Eye contact: Causes irritation, redness, possible blurred vision
Skin contact: May cause dryness, mild irritation, and redness on sensitive skin
Inhalation: Vapors may lead to respiratory discomfort, cough, headache
Ingestion: Not considered toxic, but can cause abdominal cramps or nausea
Chronic effects: No evidence of sensitization or chronic health risks in humans from regular use
Precautionary statements: Avoid prolonged skin contact, prevent vapor inhalation, ensure adequate ventilation
Chemical identity: 2-Methyl-2-ethyl-1,3-propanediol
Concentration: 100% pure substance (mixtures may be diluted)
Molecular formula: C6H14O2
Molecular weight: 118.18 g/mol
Impurities: Minor traces of byproducts from manufacturing, levels below safety thresholds
Other components: No hazardous additives or stabilizers reported
Eye exposure: Immediately flush with plenty of cool water for 15 minutes; seek medical care if irritation continues
Skin exposure: Wash skin with mild soap and warm water; remove contaminated clothing; get medical attention for persistent irritation
Inhalation: Remove person to fresh air; support breathing as needed; seek medical advice if symptoms persist or worsen
Ingestion: Rinse mouth with water; do not induce vomiting; get medical attention if feeling unwell or if symptoms develop
Extinguishing media: Water spray, foam, dry chemical, carbon dioxide
Hazards from combustion: Emits CO, CO2, possible organic decomposition byproducts
Protective gear: Firefighters need self-contained breathing apparatus, full protective gear
Special methods: Cool exposed containers with water spray; avoid breathing fumes
Personal precautions: Use chemical-resistant gloves, goggles, suitable protective footwear; avoid vapor exposure
Environmental precautions: Prevent entry into drains, sewers, surface water; notify authorities of large discharges
Containment: Absorb spil with sand, earth, or inert material; collect into waste container for disposal
Cleanup: Wash area with water and detergent; ventilate affected area until clean and free of fumes
Handling: Use well-ventilated workspace; keep containers tightly closed when not in use; avoid direct contact and vapor breathing
Storage conditions: Store in cool, dry area, away from heat and direct sunlight
Storage compatibility: Keep separated from oxidizing agents, acids
Packaging: Use original container or approved storage vessel; label appropriately for identification
Engineering controls: Local exhaust or general ventilation at worksite
Personal protection: Safety goggles, chemical resistant gloves, long-sleeved clothing, closed footwear
Respiratory protection: Use air-purifying respirator in dusty or poorly ventilated conditions
Occupational exposure limits: No established threshold limit values found on OSHA/ACGIH, but minimize unnecessary exposure
Appearance: Colorless, viscous liquid
Odor: Mild, slightly sweet odor
pH: Approx. 7 (neutral)
Boiling point: 203–205 °C
Melting/freezing point: 22–25 °C
Flash point: 111 °C (closed cup)
Evaporation rate: Slow, compared to water
Vapor density: 4.1 (air = 1)
Solubility: Miscible with water, soluble in alcohols and glycols
Vapor pressure: 0.02 mmHg at 25°C
Partition coefficient (log Kow): -0.62
Viscosity: 56 mPa·s at 25 °C
Chemical stability: Stable under recommended storage and handling conditions
Reactivity: Reacts with strong oxidizers, acids
Decomposition products: Heating produces CO, CO2, possible aldehydes
Hazardous polymerization: Not known to occur
Other concerns: Prolonged contact with air may lead to gradual oxidation with mild odor change
Likely routes of exposure: Skin contact, inhalation, accidental ingestion
Acute toxicity: LD50 (oral, rat) >5000 mg/kg—low toxicity category
Skin irritation: Slight, reversible; repetitive exposure may increase risk
Eye irritation: Moderate; may cause tearing or transient discomfort
Carcinogenicity: No data showing carcinogenic effects in laboratory animals or humans
Mutagenicity: No evidence in assays
Sensitization: No signs or reports of allergic response due to regular handling
Aquatic toxicity: Low potential for bioaccumulation; EC50 (daphnia magna, 48h) > 1000 mg/L
Persistence/degradability: Readily biodegradable under aerobic conditions
Mobility: High solubility, low soil adsorption
Bioaccumulation potential: Low, due to polarity and rapid metabolism by microorganisms
Adverse environmental effects: Unlikely at small-scale release; large quantities may alter oxygen demand in aquatic environments
Unused/expired product: Collect in sealed containers; send to licensed chemical waste facility
Contaminated packaging: Triple-rinse containers; offer for recycling or safe landfill under local rules
Disposal methods: Incinerate in approved emissions-controlled plant; avoid drainage or unapproved dumping
Legal regulations: Handle according to local and national hazardous waste rules
UN number: Not regulated for ground, air, or sea transport in most countries
Proper shipping name: Not subject to IMDG, ICAO, or DOT requirements
Hazard class: Not classified as a dangerous good
Packing group: Not assigned
Transport precautions: Ensure containers are secure, leak-proof, correctly labelled for transit; avoid exposure to high heat and puncture risks
US TSCA: Listed on inventory
EU REACH: Registered substance; meets requirements for handling and documentation
Right-to-know: Component disclosure as per state/local guidelines
SARA Title III: Not subject to reporting
Other regulatory status: No known export or use restrictions; review country-specific chemical guidelines for additional compliance needs
Providing high-quality chemical products and logistics solutions for global trade partners.
