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Chemical Name: 1,2-Propylene Glycol 1-Ethyl Ether Synonyms: Propylene Glycol Ethyl Ether, PGEE Chemical Formula: C5H12O2 CAS Number: 1569-02-4 Appearance: Colorless liquid Odor: Mild, ether-like Common Uses: Solvent for printing inks, paints, coatings, and cleaning agents Solubility: Mixes well with water and most organic liquids Boiling Point: Around 135°C Molecular Weight: About 104.15 g/mol
Hazard Class: Considered hazardous Flammability: Liquid can catch fire, vapors form explosive mixtures with air Health Risks: May irritate skin, eyes, and respiratory system; large spills or prolonged exposure lead to headaches, drowsiness, and nausea Exposure Symptoms: Coughing, eye redness, skin dryness, central nervous system depression at high concentrations GHS Label Elements: Warning symbol for flammable liquid, exclamation mark for irritation Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Main Ingredient: 1,2-Propylene Glycol 1-Ethyl Ether, nearly pure form Impurities: Trace levels of other glycols or ethers, but minimal
Inhalation: Move to fresh air promptly; if breathing becomes difficult, seek medical attention Skin Contact: Remove soiled clothing, wash skin with soap and plenty of water; do not delay Eye Contact: Rinse with water for several minutes; remove contact lenses if present and easy to do; continue rinsing until irritation stops Ingestion: Rinse mouth; seek medical help if person feels unwell or has swallowed larger volumes; never try to induce vomiting unless instructed by a professional Symptoms Needing Prompt Medical Attention: Severe headache, confusion, unresponsiveness, difficulty breathing
Suitable Extinguishing Media: Dry chemical powder, carbon dioxide foam, alcohol-resistant foam Special Hazards: Vapors form explosive mixtures with air when heated; combustion releases carbon monoxide and carbon dioxide Protective Equipment for Firefighters: Full protective gear and self-contained breathing apparatus recommended Advice for Fire Responders: Avoid reaching into vapor area unless properly protected; move containers from fire area if safe; shut off fuel source if possible
Personal Precautions: Ventilate space thoroughly, keep unnecessary people away, wear suitable protective equipment such as gloves and goggles Material Containment: Confine spill, prevent liquid from entering drains or watercourses Cleanup Methods: Absorb using suitable material like sand or inert absorbent; scoop up and transfer to labeled waste container Environmental Precautions: Avoid runoff into surface water; larger spills need environmental authority involvement
Handling Tips: Only use in well-ventilated settings, keep containers tightly closed to lower risk of vapor buildup Storage Requirements: Store in cool, dry, well-ventilated spaces, away from direct sunlight and ignition sources such as sparks or open flames Incompatibilities: Strong oxidizing agents, acids, bases can react and build pressure or heat; keep separated Good Practice: Use non-sparking tools, ground and bond containers during transfer
Workplace Exposure Limits: Occupational levels not universally defined; consult local guidelines for thresholds Engineering Controls: Ventilation systems, fume hoods, or localized exhaust help reduce concentration in air Personal Protective Equipment: Chemical-resistant gloves (like nitrile or butyl rubber), eye protection such as goggles or face shields Respiratory Protection: Mask or respirator with organic vapor filter for poor-ventilation or high vapor settings Hygiene Practice: Prevent eating, drinking, or smoking during use; wash hands before breaks
Physical State: Liquid Color: Clear Odor Threshold: Mild, at high levels can irritate pH: Neutral Melting Point: Below freezing for water, remains liquid Boiling Point: About 135 °C Flash Point: Near 36 °C, open cup Auto-ignition Temperature: Not far above flash point Explosive Properties: Creates vapor-air mixtures that can ignite at higher concentrations Vapor Pressure: Moderate, increases with temperature Evaporation Rate: Faster than water but slower than volatile organic solvents Solubility: Mixes with water, alcohols, many organic liquids Viscosity: Thin, flows easily
Chemical Stability: Stable under normal storage Conditions to Avoid: High temperatures, sources of ignition, direct sun exposure Materials to Avoid: Strong oxidizers, acids, bases Dangerous Products from Breakdown: Burns to create carbon monoxide, carbon dioxide Reactivity: Not especially reactive unless exposed to extremes
Acute Effects: Can irritate eyes, nose, throat; high exposure leads to headaches, dizziness, nausea Chronic Effects: Long-term exposure or frequent skin contact may dry and crack skin Sensitization: Unlikely, only rare reports of allergic reaction Carcinogenicity: Not listed as a cancer risk by IARC, NTP, or OSHA Other Considerations: Persons with kidney, liver, or central nervous problems may be more sensitive Animal Studies: Data suggest moderate acute toxicity at very high doses; not likely a hazard at everyday exposure
Aquatic Toxicity: Harmful to aquatic life in high concentrations Bioaccumulation: Tends to biodegrade, not expected to build up in living organisms Persistence: Moderate; bacteria can break down in the environment Mobility: Moves easily in soil and water, accidental discharge may spread Special Concerns: Spills in large amounts harm fish and invertebrates, especially in confined waterways
Product Disposal: Use chemical waste programs; never dump down the drain or into soil Container Disposal: Rinse, remove, and send to hazardous waste treatment Local Regulations: Follow area-specific rules; different regions have extra restrictions Safe Approach: Store used or contaminated material until qualified disposal available
Transport Hazards: Classified as flammable liquid, regulate under specific codes for road, rail, air, and sea Packing Guidance: Pack in secure, approved drums or containers designed for flammable goods Labeling: Clear hazard signs and proper documentation for handlers and inspectors Stowage: Avoid storing near heat sources or in unventilated places during transit
Global Regulations: Listed or controlled in most industrial regions under chemical safety programs Community Right-to-Know: Disclosure required for workplace and emergency planning Restricted Uses: Banned or limited in some consumer applications due to fire risk and skin contact concerns Reporting: Facilities using large volumes must declare inventory per region’s reporting system
