Product Name: Polypropylene Glycol
Chemical Formula: C3n+1H6n+2On+1
SYNONYMS: PPG, Polyoxypropyleneglycol, Polypropylene oxide glycol
RECOMMENDED USES: Used in lubricants, polymer preparations, emulsifiers, de-icing fluids, hydraulic fluids, and surfactants.
Manufacturer Details: Name, address, and contact should appear here based on supplier specifics.
EMERGENCY CONTACT: Refer to local emergency response, poison center, and manufacturer hotlines for urgent exposures.
GHS Classification: Not classified as hazardous under GHS standards in most grades, but always confirm with the batch supplier.
Physical Hazards: Slightly combustible at high temperatures; risk of thermal decomposition if heated excessively.
Health Hazards: Prolonged skin contact can cause irritation; inhalation of mist may affect the respiratory system; eye contact can irritate; ingestion in large amounts could upset gastrointestinal tract.
Environmental Hazards: Low toxicity to aquatic life, but large spills can upset sewage or water-management systems.
Label Elements: May not require hazard pictograms for most commercial grades.
Signal Words: Not typically mandated for PPG under GHS.
Precautionary Statements: Wash hands thoroughly after handling; avoid breathing mists/vapors; avoid contact with skin and eyes.
Chemical Identity: Polypropylene Glycol
CAS Number: 25322-69-4
Molecular Weight Range: Varies according to the specific PPG used (commonly 400, 1000, 2000, or higher).
Purity: Typically greater than 99%.
Impurities: Trace amounts of residual monomers and by-products from manufacturing.
Additives: Some grades may include stabilizers or antioxidants; specifics rely on supplier disclosure.
Inhalation: Move affected person to fresh air, monitor for persistent respiratory symptoms, provide medical attention for any adverse effects.
Skin Contact: Remove contaminated clothing, wash affected area thoroughly with soap and water; seek medical care if irritation persists.
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present and easy to do, continue rinsing, consult a physician if irritation occurs.
Ingestion: Rinse mouth, do not induce vomiting, seek prompt medical advice for large or accidental ingestion, monitor for gastrointestinal upset.
Most Important Symptoms: Skin or eye irritation, cough, shortness of breath, digestive upset.
Suitable Extinguishing Media: Use water spray, alcohol-resistant foam, dry chemical, or carbon dioxide.
Specific Hazards: Thermal decomposition creates carbon monoxide, carbon dioxide, and low-level toxic vapors.
Protective Equipment for Firefighters: Wear full protective gear and self-contained breathing apparatus.
Advice for Firefighters: Fight fires from an upwind or protected location; contain runoff to prevent entry into waterways.
Explosion Sensitivity: Not expected under normal storage or use, but high heat may increase pressure inside drums.
Personal Precautions: Wear gloves, goggles, and suitable protective clothing to limit exposure; control sources of ignition.
Environmental Precautions: Stop leaks if safe, contain runoff with sand or absorbent material, prevent entry into drains, soil, or water bodies.
Cleanup Methods: Use inert absorbents like diatomaceous earth; collect spilled product in well-labeled containers for disposal; clean residue with soap and water.
Large Spills: Notify authorities as required by local regulations; ventilate the area to disperse vapors.
Safe Handling: Wear suitable PPE, avoid inhaling mist or vapor, prevent eye and skin contact, maintain good industrial hygiene practices.
Storage Conditions: Store in tightly sealed containers away from heat sources and direct sunlight, at temperatures between 5°C and 40°C; keep containers upright and protected from damage.
Incompatible Materials: Avoid storing near strong oxidizers, acids, or moisture-sensitive compounds.
Special Precautions: Use with local exhaust ventilation where misting can occur; keep out of reach of children and unauthorized users.
Exposure Limits: No established occupational exposure limits in most countries, monitor airborne concentrations if mist forms or if used in enclosed spaces.
Engineering Controls: Use local exhaust or general ventilation; consider splash guards or containment when transferring large quantities.
Personal Protective Equipment (PPE): Eye protection (safety glasses or goggles), chemical-resistant gloves (nitrile or neoprene), impervious clothing if necessary.
Respiratory Protection: If exposure limits are approached, use an approved respirator for organic vapors or particulates.
Hygiene Measures: Wash thoroughly after handling and before eating or drinking; avoid workplace contamination by good housekeeping.
Appearance: Colorless to slightly yellow, viscous liquid.
Odor: Mild, characteristic glycol scent.
pH: Neutral (around 6-8 in water solutions).
Boiling Point: 200°C to 330°C, depending on molecular weight.
Melting Point: –60°C to –50°C (varies with chain length).
Flash Point: 170°C to 220°C (open cup, varies by grade).
Solubility: Soluble in water, alcohol, acetone; less soluble in hydrocarbon solvents.
Vapor Pressure: Very low at room temperature.
Density: 1.0 – 1.1 g/cm³ at 20°C depending on grade.
Viscosity: Varies widely depending on molecular weight (20 to over 1000 mPa·s).
Chemical Stability: Stable under normal use and storage conditions.
Reactivity: Avoid contact with strong oxidizing agents, acids, and bases; may degrade at high temperatures.
Conditions to Avoid: Excessive heat, open flames, sources of ignition, incompatible chemicals.
Hazardous Decomposition: Can release carbon monoxide, carbon dioxide, and minor organic compounds under thermal decomposition.
Polymerization: Unlikely; no known hazardous polymerization expected.
Acute Toxicity: Low toxicity by oral, dermal, or inhalation routes in animal studies; LD50 (oral, rat) generally above 2000 mg/kg.
Skin Irritation: Prolonged or repeated contact may cause mild irritation.
Eye Irritation: Direct contact produces temporary redness or discomfort.
Respiratory Sensitization: Overexposure to mist can irritate the upper respiratory tract.
Carcinogenicity: No evidence of carcinogenic activity.
Mutagenicity/Teratogenicity: No known mutagenic or reproductive toxicity risks have been identified.
Chronic Effects: No chronic toxicity data indicating significant health impacts from workplace exposure.
Aquatic Toxicity: Low toxicity to fish, daphnia, and algae in tested concentrations.
Persistence and Degradability: Expected to biodegrade slowly in the environment; not classified as persistent.
Bioaccumulation Potential: Low; does not concentrate in aquatic organisms.
Mobility in Soil: Moves through soil but unlikely to reach groundwater in harmful quantities.
Other Adverse Effects: Large spills can disrupt wastewater treatment processes; always contain and dispose responsibly.
Waste Disposal Methods: Collect absorbed waste in labeled containers for incineration or disposal according to local regulations.
Container Handling: Rinse empty containers before reuse or recycling, or send to a licensed waste facility.
Prohibited Disposal: Avoid discharging into surface water, sewers, or the environment.
Regulatory Notes: Dispose in accordance with national, regional, and local laws for chemical and hazardous waste.
UN Number: Not regulated for transport by air, sea, or land under most international regulations.
Proper Shipping Name: Polypropylene Glycol (not regulated as dangerous goods).
Transport Hazard Class: Not classified.
Packing Group: Not subject to packing group requirements.
Special Transport Precautions: Protect from physical damage and extreme temperatures during transport; secure containers to prevent spillage.
International Inventories: Listed on TSCA (US), EINECS/ELINCS (EU), DSL (Canada), ENCS (Japan), AICS (Australia), and other major chemical inventories.
Labelling Requirements: No specific labels required in most jurisdictions for general handling, though caution advisories are strongly recommended.
VOC Status: Non-volatile organic compound under most air-quality regulations.
Workplace Classification: Not subject to specific workplace classification or labeling.
Other Regulations: Varies according to region; check local and national regulations involving chemical handlers and users.
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