Product Name: Propylene Glycol Propyl Ether
Chemical Name: 1-Propoxy-2-propanol
Synonyms: Propylpropanol, PnP, PPGPE
CAS Number: 1569-01-3
Recommended Use: Solvent in paints, coatings, inks, cleaners
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Classification: Flammable liquid (Category 3), Eye irritation (Category 2A), Skin irritation (Category 3)
Signal Word: Warning
Hazard Statements: Flammable liquid and vapor. Causes moderate skin irritation. May cause eye irritation. May be harmful if inhaled in large amounts.
Precautionary Statements: Avoid breathing vapors. Keep away from open flames, hot surfaces, sparks. Use explosion-proof electrical equipment. Use only outdoors or in well-ventilated area.
Potential health effects: Headache, dizziness, nausea with prolonged exposure. Redness and discomfort on skin or in eyes.
Emergency Overview: Clear liquid, strong ether-like smell, easily ignited by heat or flame.
Chemical: Propylene Glycol Propyl Ether
Concentration: >98%
Molecular Formula: C6H14O2
Impurities: Trace amounts of water, other glycol ethers (<2%)
EC Number: 216-372-4
Other components: None present that influence classification.
UN Number: 1993 (if shipped in large quantities).
Inhalation: Move person to fresh air, keep warm and at rest. Seek medical attention for persistent symptoms like headache, dizziness, or nausea.
Skin Contact: Remove contaminated clothing. Rinse exposed area with plenty of water and mild soap. Watch for redness or irritation.
Eye Contact: Rinse eyes gently with water for at least 15 minutes, keeping eyelids apart. Remove contact lenses if present.
Ingestion: Rinse mouth with water, do not induce vomiting. Never give anything by mouth if unconscious. Medical attention is strongly recommended.
Notable Symptoms: Nausea, dizziness, mild skin or eye irritation.
Special Treatments: No specific antidote known. Treat symptomatically.
Suitable Extinguishing Agents: Alcohol-resistant foam, dry chemical powder, carbon dioxide, water spray for cooling containers only.
Hazards on Burning: Produces carbon oxides and other irritating fumes.
Protection for Firefighters: Wear self-contained breathing apparatus and protective clothing.
Special Procedures: Fight fire from a safe distance and cool surroundings with water fog. Prevent runoff from entering drains.
Unusual Fire Hazards: Vapors may travel and can ignite at a distance.
Flash Point: Approx. 48°C (118°F)
Explosion Limits: Lower: ~1.1%, Upper: ~13.7% by volume in air
Personal Protection: Evacuate unprotected people. Ventilate area. Avoid breathing vapors or skin contact.
Environmental Precautions: Prevent from entering drains, soil, surface water.
Containment: Stop leak if safe to do. Dike area with sand or earth.
Cleanup Methods: Use inert absorbent material (sand, earth, vermiculite) to soak up liquid. Shovel into labeled containers.
Decontamination: Wash area with water and detergent. Dispose as hazardous waste.
Spill Size: For small spills, use absorbent towels. For large spills, notify emergency services.
Handling: Use in well-ventilated areas. Ground and bond containers during transfer to reduce static. Avoid breathing vapor, skin or eye contact.
Hygiene: Wash hands before eating, drinking, or smoking. Remove contaminated clothing immediately.
Storage: Store in tightly closed original containers, kept cool and dry, away from heat, open flames, and direct sunlight. Store away from strong oxidizers.
Storage Temperature: 5–35°C recommended.
Other: Store in areas with spill containment measures in place.
Engineering Controls: Use local exhaust ventilation or process enclosure where possible.
Personal Protective Equipment (PPE):
Eyes: Safety glasses with side-shields or goggles.
Skin: Chemical resistant protective gloves (nitrile or neoprene), chemical suit for heavy exposure.
Respiratory Protection: Respirator with organic vapor cartridges when vapors exceed occupational exposure limits or work is in poorly ventilated area.
Exposure Limits: None established by OSHA/ACGIH for Propylene Glycol Propyl Ether, but recommended limit by manufacturers often set at 25 ppm TWA.
Other Safety Measures: Eyewash stations and safety showers near work areas recommended.
Appearance: Clear, colorless liquid
Odor: Mild ether-like
Molecular Weight: 118.18 g/mol
Boiling Point: 146°C (295°F)
Melting Point: -88°C (-126°F)
Flash Point: 48°C (118°F) (Closed cup)
Evaporation Rate: Similar to n-butanol
Vapor Pressure: 2.2 mmHg at 20°C
Density: 0.87 g/cm³ at 20°C
Solubility: Miscible with water and most organic solvents
pH: Not applicable (neutral solvent)
Viscosity: ~2.4 mPa.s at 20°C
Partition Coefficient (Log Kow): ~0.4
Chemical Stability: Stable under recommended storage and handling conditions.
Conditions to Avoid: Exposure to heat, sparks, flames, humid or wet conditions that could promote decomposition.
Incompatible Materials: Strong acids, bases, oxidizing agents.
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, irritating fumes.
Hazardous Polymerization: Will not occur under normal conditions.
Reactivity: Not reactive with most substances, but oxidation and decomposition possible on contact with strong oxidizers.
Likely Exposure Routes: Inhalation, skin absorption, eye contact, ingestion
Acute Toxicity: Oral LD50 (rat): 3089 mg/kg; Dermal LD50 (rabbit): >2000 mg/kg
Skin Irritation: Moderate irritation observed on prolonged or repeated exposure
Eye Irritation: Moderate transient irritation possible
Inhalation Effects: Irritation to nose and throat, possible headache and drowsiness at high concentrations
Chronic Effects: No evidence of significant carcinogenic, reproductive, or mutagenic effects in available studies
Symptoms: Headache, fatigue, eye and skin redness
Aquatic Toxicity: Practically non-toxic to aquatic organisms; LC50 (fish, 96 hr): >100 mg/L
Persistence: Readily biodegradable in water
Bioaccumulation: Low potential based on partition coefficient
Mobility in Soil: High mobility, may leach to groundwater
Other Effects: Not listed as a marine pollutant by international standards, but spills should still be contained
Degradation Products: Breaks down to smaller organic molecules, ultimately to CO₂ and water
Waste Treatment Methods: Incinerate in approved facility. Do not discharge to sewers or natural waters.
Disposal Containers: Use sealed, labeled containers resistant to corrosion.
Contaminated Packaging: Rinse completely and send to approved waste facility.
Local Regulations: Follow hazardous waste regulations in your jurisdiction.
Other Considerations: Do not reuse empty containers for food or liquids to prevent accidental exposure.
UN Number: 1993
Shipping Name: Flammable liquid, n.o.s. (contains Propylene Glycol Propyl Ether)
Hazard Class: 3 (Flammable liquids)
Packing Group: III
Labels: Flammable liquid
Special Precautions: Keep containers upright, well secured during transport. Avoid exposure to heat and open flames. Check with carrier for limits on transport quantity.
Other Classifications: Not regulated as dangerous goods for air transport in small containers, but must be checked.
Inventory Listings: Listed in TSCA (USA), EINECS (EU), DSL (Canada), AICS (Australia)
OSHA Status: Hazardous chemical under OSHA Hazard Communication Standard
SARA Title III: Not listed as extremely hazardous; not subject to Section 313 reporting
WHMIS Classification (Canada): B2 Flammable Liquid; D2B Toxic Material
REACH (Europe): Registered substance
California Proposition 65: Not listed as a chemical known to cause cancer, birth defects, or other reproductive harm
Other Requirements: Safety data sheet required for workplace use; label according to local, state, and federal guidelines
