Product Name: Polypropylene Glycol
CAS Number: 25322-69-4
Synonyms: PPG, Polyoxypropylenediol
Recommended Use: Used in urethane, lubricants, hydraulic fluids, surfactants, cosmetics
Supplier Details: Manufacturer or supplier name, address, emergency telephone
Emergency Contact: CHEMTREC, local fire department, poison control center
Hazard Classification: Not classified as hazardous under OSHA Hazard Communication Standard
Signal Word: None
Hazard Statement: Mild eye and skin irritant, not flammable but will burn at high temperature
Precautionary Statements: Use in well-ventilated area, avoid contact with eyes and skin, wash hands after handling
GHS Label Elements: No symbol required. Safety precautions outlined for irritation risk.
Physical Hazards: Can produce hazardous fumes when heated to decomposition
Chemical Name: Polyoxypropyleneglycol
CAS Number: 25322-69-4
Concentration: 100% (high-purity commercial grade)
Impurities: Trace levels of propylene oxide and other low molecular weight oligomers
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present and easy to do, seek medical attention if irritation persists
Skin Contact: Wash with soap and water, remove contaminated clothing and shoes, seek advice if irritation continues
Inhalation: Move person to fresh air, keep comfortable for breathing, seek medical attention if breathing becomes difficult
Ingestion: Rinse mouth, drink water to dilute, do not induce vomiting, consult a physician or poison control center if symptoms develop
Suitable Extinguishing Media: Water spray, foam, dry chemical, carbon dioxide
Unsuitable Extinguishing Media: Direct water jet may spread fire
Specific Hazards: Can produce carbon monoxide, carbon dioxide, and other toxic gases during combustion
Protective Equipment: Firefighters wear self-contained breathing apparatus, full protective gear
Special Procedures: Use water spray to cool exposed containers, prevent run-off to drains or waterways
Personal Precautions: Wear protective clothing, gloves, eye protection
Environmental Precautions: Prevent spills from entering drains or waterways
Cleaning Methods: Soak up with inert absorbent material, place in chemical waste container, ventilate area thoroughly
Emergency Procedures: Restrict access to spill area until clean-up is complete, dispose waste in accordance with regulations
Handling: Keep away from heat and ignition sources, avoid contact with skin and eyes, use mechanical ventilation at points of emission
Storage: Store in tightly closed containers, keep at cool, dry, well-ventilated locations, avoid freezing and excessive heat
Incompatible Materials: Strong oxidizers, acids, bases
Specific Storage Conditions: Prevent moisture ingress, segregate from food and drink, maintain labeling and safety signage
Occupational Exposure Limits: No established OSHA PEL or ACGIH TLV
Engineering Controls: General ventilation, local exhaust in processing areas
Personal Protection–Eyes: Chemical safety goggles
Personal Protection–Skin: Chemical-resistant gloves, long-sleeved clothing
Personal Protection–Respiratory: Respirator if aerosol or mist formation likely
Hygiene Measures: Wash thoroughly after handling, remove contaminated clothing before re-use
Appearance: Clear to slightly cloudy viscous liquid
Odor: Mild, faintly sweet
Odor Threshold: Not determined
pH: 5.0 – 8.0 (50 g/l, 20°C)
Melting Point/Freezing Point: -35°C to -60°C (varies by molecular weight)
Boiling Point: 200°C to 300°C (varies by molecular weight)
Flash Point: >200°C, closed cup
Evaporation Rate: Negligible
Flammability: Not highly flammable, but will burn at elevated temperatures
Explosion Limits: Not applicable
Vapor Pressure: <1 mmHg at 20°C
Vapor Density: >1 (air = 1)
Relative Density: 1.0–1.2 g/cm³
Solubility: Miscible with water
Partition Coefficient (n-octanol/water): -0.91
Auto-ignition Temperature: >370°C
Decomposition Temperature: >280°C
Viscosity: 40–4000 mPa·s (depends on molecular weight)
Chemical Stability: Stable under normal temperatures and pressures
Reactivity: Little to no reactivity under recommended storage and handling
Conditions to Avoid: Excessive heat, open flame, moisture, incompatible chemical exposure
Incompatible Materials: Strong oxidizing agents, acids, peroxides
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, aldehydes, organic vapors
Polymerization: No dangerous polymerization expected
Likely Routes of Exposure: Eyes, skin, inhalation, ingestion
Acute Toxicity: LD50 oral (rat) >2000 mg/kg (low toxicity)
Skin Corrosion/Irritation: Mild irritation possible
Eye Damage/Irritation: Mild irritation possible
Respiratory Sensitization: Not expected under normal conditions
Chronic Effects: No evidence of mutagenicity, carcinogenicity, teratogenicity in animal studies
Target Organ Effects: No known significant effects
Symptoms of Overexposure: Irritation, nausea, headache possible with high exposure
Ecotoxicity: Practically non-toxic to aquatic life (LC50 for fish >1000 mg/l)
Persistence and Degradability: Biodegradable, breaks down in soil and water
Bioaccumulation Potential: Low, log Pow values below 1
Mobility in Soil: High, due to water solubility
Other Hazards: Large spills may cause environmental effects due to oxygen depletion, not considered dangerous under normal conditions of use
Waste Treatment Methods: Dispose through licensed chemical waste handler
Disposal of Product: Incinerate in accordance with local, regional, national, and international regulations, landfill if permitted
Disposal of Packaging: Rinse containers, dispose as hazardous waste
Environmental Precautions: Do not dispose of in drains, surface water, or soil
UN Number: Not regulated
UN Proper Shipping Name: Not regulated
Transport Hazard Class: Not classified as dangerous for transport
Packing Group: Not applicable
Environmental Hazards: None
Special Precautions: Avoid leakage during transport, follow usual chemical transport procedures
TSCA (Toxic Substances Control Act): Listed
EINECS (Europe): Listed
REACH Regulation: Exempt due to polymer status (not classified)
Hazard Communication Standard: Not classified as hazardous
Other Regulations: Not subject to major chemical restriction protocols, worker safety protections required by OSHA for handling
State Regulations: Check specific local and state requirements for handling and disposal
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