Chemical Name: Beta-Propylene Glycol Monoethyl Ether
Synonyms: 1-Ethoxy-2-propanol, Propylene glycol ethyl ether
CAS Number: 1569-02-4
EC Number: 216-374-5
Recommended Use: Solvent for coatings, inks, cleaners, chemical processing
Restrictions on Use: Not intended for pharmaceutical or food applications
Manufacturer Information: Contact details available via supplier’s documentation
Classification: Flammable liquid (Category 3), Eye irritation (Category 2A), Skin irritation (Category 2)
GHS Label Elements: Signal Word: Warning, Hazard Statements: H226 (Flammable liquid and vapor), H319 (Causes serious eye irritation), H315 (Causes skin irritation)
Pictograms: Flame, Exclamation mark
Precautionary Statements: Keep away from heat, sparks, open flames; Wear eye/face protection, protective clothing; Store in well-ventilated place
Other Hazards: Vapors may form explosive mixtures with air; can cause central nervous system depression at high exposures
Substance: Beta-Propylene Glycol Monoethyl Ether
Chemical Formula: C5H12O2
Purity: ≥99%
CAS Number: 1569-02-4
Impurities and Stabilizing Additives: Commercial grades may contain trace glycols or ethers, detailed analysis available from supplier
Eye Contact: Rinse cautiously with water for at least 15 minutes, remove contact lenses if present, seek medical attention
Skin Contact: Wash affected area thoroughly with soap and water, change contaminated clothing, get medical advice for irritation or burns
Inhalation: Move person to fresh air, keep comfortable for breathing, seek medical advice if symptoms like dizziness, headache, or nausea develop
Ingestion: Rinse mouth, do NOT induce vomiting, seek prompt medical attention
Most Important Symptoms: Eye redness, skin discomfort, headache, confusion at high exposures
Notes to Physician: Treat symptomatically, monitor respiratory and neurological function
Suitable Extinguishing Media: Alcohol-resistant foam, dry chemical, carbon dioxide, water fog
Unsuitable Extinguishing Media: Direct water jet may spread burning liquid
Specific Hazards: Emits toxic fumes under fire conditions including carbon monoxide, carbon dioxide
Protective Equipment: Self-contained breathing apparatus, full protective gear
Firefighting Instructions: Cool containers with water spray, remove containers from fire zone if safe
Additional Hazards: Vapors can travel to source of ignition and flash back
Personal Precautions: Evacuate unnecessary personnel, ventilate area, avoid contact with skin and eyes, avoid inhalation of vapors
Protective Equipment: Appropriate gloves, splash-proof goggles, chemical resistant clothing
Environmental Precautions: Prevent spills from entering drains, surface water, soil
Containment and Clean Up: Absorb spill with inert material (sand, earth, vermiculite), sweep or shovel into suitable, labeled containers for disposal
Decontamination: Wash spill site after material pickup is complete
Handling: Use only in well-ventilated areas, ground and bond containers to prevent static, keep away from heat and ignition sources
Hygiene Practices: Wash hands thoroughly after handling, do not eat, drink, or smoke during use, avoid contact with skin or eyes
Storage Conditions: Store containers tightly closed in a cool, dry, well-ventilated area away from sunlight, incompatible substances (strong oxidizers, acids)
Incompatible Materials: Strong acids, bases, oxidizing agents – violent reactions possible
Special Requirements: Use explosion-proof electrical equipment, prevent static discharge
Occupational Exposure Limits: ACGIH TLV: 25 ppm TWA (manufacturer recommendation); no OSHA PEL
Engineering Controls: Local exhaust ventilation, emergency eye wash stations, safety showers
Respiratory Protection: NIOSH-approved organic vapor respirator for airborne concentrations above exposure limits or in poorly ventilated areas
Hand Protection: Impervious gloves (nitrile, butyl rubber)
Eye Protection: Chemical safety goggles, face shield for splash protection
Skin/Body Protection: Long sleeves, lab coat or coveralls, closed-toe shoes
Environmental Controls: Prevent release to environment, use spill containment measures
Appearance: Clear, colorless to light yellow liquid
Odor: Mild, ether-like
Odor Threshold: Not determined
pH: Not applicable
Melting Point/Freezing Point: -100°C (-148°F)
Boiling Point/Range: 135°C (275°F)
Flash Point: 44°C (111°F) (closed cup)
Evaporation Rate: 0.32 (butyl acetate=1)
Flammability: Flammable
Upper/Lower Flammability or Explosive Limits: 1.2% (LEL), 12.8% (UEL)
Vapor Pressure: 5.1 mmHg at 20°C
Vapor Density: 3.6 (air = 1)
Relative Density: 0.884 (water = 1)
Solubility: Miscible with water and many organic solvents
Partition Coefficient (n-octanol/water): Log Kow = -0.075
Auto-ignition Temperature: 280°C (536°F)
Decomposition Temperature: Not available
Viscosity: 2.6 mPa·s at 20°C
Chemical Stability: Stable under normal conditions of storage and use
Hazardous Reactions: Reacts vigorously with strong oxidizers, acids, bases
Conditions to Avoid: Heat, flame, sparks, sources of ignition, incompatible substances
Incompatible Materials: Strong acids, oxidizing agents, explosive mixtures with air possible at high vapor concentrations
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, potentially other aldehydes or ethers on thermal decomposition
Likely Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Acute Toxicity: Oral LD50 (rat): 3080 mg/kg; Dermal LD50 (rabbit): >2000 mg/kg
Skin Corrosion/Irritation: Mild to moderate skin irritant
Serious Eye Damage/Irritation: Causes eye irritation
Respiratory or Skin Sensitization: Not classified as sensitizer
Germ Cell Mutagenicity: Not classified
Carcinogenicity: Not listed by IARC, NTP, OSHA
Reproductive Toxicity: Data inadequate for classification; high doses in animals may affect fetuses
STOT – Single Exposure: CNS effects, drowsiness, dizziness at high concentrations
STOT – Repeated Exposure: No information for humans at occupational exposures
Aspiration Hazard: Not expected considering viscosity
Other Information: Prolonged exposure may dry or crack skin
Toxicity: LC50 (fish, 96h): 1000 mg/L (estimated); EC50 (Daphnia, 48h): >1000 mg/L; not acutely toxic to aquatic life
Persistence and Degradability: Expected to be readily biodegradable in the environment
Bioaccumulative Potential: Low potential (low log Kow)
Mobility in Soil: Likely to have high mobility due to water solubility
Other Adverse Effects: Large spills may cause localized adverse effects due to oxygen depletion
Disposal Methods: Incinerate at permitted facility, follow federal, state, and local regulations for disposal of hazardous waste
Waste Code: U.S. EPA RCRA hazardous waste number: D001 (ignitability, if applicable)
Disposal of Contaminated Packaging: Triple-rinse containers, puncture/mark as hazardous, follow regulations for drum disposal
Precautions: Do not discharge to drains, soil, or water bodies, avoid landfill whenever possible
UN Number: UN 1993
Proper Shipping Name: Flammable Liquid, N.O.S. (contains 1-Ethoxy-2-propanol)
Transport Hazard Class: 3 (Flammable liquids)
Packing Group: III
Labels Required: Flammable liquid (red label)
Environmental Hazards: Not classified as marine pollutant
Special Precautions: Transport in upright, tightly sealed containers, avoid heat and open flame during shipping
Additional DOT, IMDG, IATA regulations: Consult updated regulatory documents for international shipment requirements
TSCA: Listed on U.S. Toxic Substances Control Act Inventory
SARA Title III Sections 302/304: Not listed; Section 311/312: Fire hazard, acute health hazard
SARA Section 313: Not subject to reporting
CERCLA: Not assigned a reportable quantity
California Proposition 65: No chemicals known to cause cancer or reproductive harm present
REACH (EU): Registered substance under ECHA
WHMIS (Canada): B2 – Flammable liquid; D2B – Toxic
Other Regulation: Conforms with OSHA Hazard Communication Standard, GHS, and applicable international regulations
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