Material Safety Data Sheet of Poly(propylene glycol) Diglycidyl Ether

1. Identification

Product Name: Poly(propylene glycol) diglycidyl ether
Synonyms: PPGDGE, Glycidyl ether of polypropylene glycol
CAS Number: 39443-66-8
Recommended Use: Reactive diluent in epoxy resins, crosslinking agent
Supplier Details: Company name, address, emergency telephone, and e-mail contact specific to supplier
Emergency Overview: Clear, viscous liquid with mild odor, intended for use in controlled industrial applications

2. Hazard Identification

GHS Classification: Skin irritation - Category 2, Eye irritation - Category 2A, Skin sensitizer - Category 1, Aquatic chronic toxicity - Category 3
Signal Word: Warning
Hazard Statements: Causes skin irritation, May cause allergic skin reaction, Causes serious eye irritation, Harmful to aquatic life with long lasting effects
Pictograms: Exclamation mark
Precautionary Statements: Avoid skin contact, Wear protective gloves and eye/face protection, Wash hands thoroughly after handling, Avoid release to the environment
Hazard Routes: Skin contact, eye contact, inhalation of aerosol or vapor in poorly ventilated areas
Target Organs: Skin, eyes, possible respiratory tract

3. Composition / Information on Ingredients

Chemical Name: Poly(propylene glycol), diglycidyl ether
CAS Number: 39443-66-8
Concentration: 100% by weight (where pure); impurities limited by supplier specifications
Impurities: May contain trace residual monomers, epichlorohydrin (tightly controlled), propylene oxide derivatives
Mixtures: Not classified as a mixture when neat; when blended in formulations, consult additional component MSDS

4. First Aid Measures

Inhalation: Remove person to fresh air, seek medical attention for any breathing difficulty, provide artificial respiration if necessary
Skin Contact: Remove contaminated clothing, wash affected area thoroughly with soap and plenty of water, consult physician if rash or irritation develops
Eye Contact: Rinse eyes cautiously with water for 15–20 minutes, remove contact lenses if present and easy to do, continue rinsing, get medical advice promptly
Ingestion: Rinse mouth, never give anything by mouth to an unconscious person, do not induce vomiting, seek immediate medical care
Most Important Symptoms/Effects: Redness, irritation, itching, possible delayed allergic reaction

5. Fire-Fighting Measures

Suitable Extinguishing Media: Carbon dioxide, dry chemical powder, alcohol-resistant foam
Unsuitable Media: Direct water jets may spread product, avoid use unless flooding is required for large fire
Special Hazards: Combustion produces carbon oxides, possible release of toxic smoke or vapors under extreme heating
Firefighters' Equipment: Self-contained breathing apparatus, full protective gear
Advice for Firefighters: Stay upwind, keep containers cool with water spray, evacuate non-emergency personnel
Explosion Data: Product is not classified as explosive, slight risk in presence of strong oxidizers

6. Accidental Release Measures

Personal Precautions: Evacuate unnecessary personnel, ventilate area, use appropriate personal protective equipment including chemical resistant gloves and goggles
Environmental Precautions: Prevent product entry into soil, drains, water sources
Methods for Containment: Stop leak if safe, dike or absorb with inert material such as sand, vermiculite, or diatomaceous earth
Cleaning Up: Collect spilled material in properly labeled container for disposal, avoid use of combustible materials like sawdust
Disposal: Contaminated cleaning materials to be disposed of in accordance with local regulations, do not wash spill to sewer

7. Handling and Storage

Precautions for Handling: Do not get on skin, eyes, or clothing, use only with adequate ventilation, avoid breathing vapor or mist
Safe Handling Advice: Wash after handling, keep work area clean, never eat or drink while using product
Storage Conditions: Store in tightly closed containers in cool, dry, well-ventilated area, away from acids, oxidizers, or strong bases
Incompatibilities: Avoid contact with amines, strong acids, strong bases, oxidizing agents
Other Advice: Keep containers upright and properly labeled, avoid excessive heat and sunlight, check regularly for leaks

8. Exposure Controls and Personal Protection

Occupational Exposure Limits: None specific for product; use controls for general hydroxyalkyl ethers and glycidyl ethers if available
Engineering Controls: Local exhaust ventilation or fume hood recommended for large scale operations
Personal Protective Equipment: Safety glasses with side shields or goggles, chemical-resistant gloves (nitrile or neoprene), long sleeves, closed footwear, suitable protective clothing
Respiratory Protection: Approved respirators when ventilation is insufficient
Hygiene Measures: Do not smoke, eat, or drink during use, wash thoroughly after handling, keep contaminated clothing separate

9. Physical and Chemical Properties

Appearance: Clear, colorless to pale yellow viscous liquid
Odor: Faint ether-like
Odor Threshold: Not established
pH: Not applicable (neutral liquid)
Melting Point/Freezing Point: Below -20°C
Boiling Point/Range: Above 200°C
Flash Point: 120–150°C (closed cup, varies with grade)
Evaporation Rate: Slow, negligible at ambient temperature
Flammability: Not classified as flammable, will burn at high temperature
Vapor Pressure: Very low at 20°C
Vapor Density: Heavier than air
Relative Density: 1.06–1.12 g/cm³
Solubility: Soluble in many organic solvents, slightly soluble in water
Partition Coefficient (n-octanol/water): Log Pow ~0.5–1.5 (estimated)
Autoignition Temperature: 350–390°C
Decomposition Temperatures: >280°C
Viscosity: 100–1000 mPa.s at 25°C (varies by PPG molecular weight)

10. Stability and Reactivity

Chemical Stability: Stable under recommended storage and normal temperatures
Reactivity: Reacts slowly with acids, bases, and amines, may generate heat
Incompatible Materials: Strong oxidizers, strong acids, strong bases, amines, aluminum at high temperature
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, traces of other aliphatic hydrocarbons
Hazardous Reactions: Polymerization may occur in uncontrolled conditions or contact with strong bases or acids
Conditions to Avoid: Excessive heat, open flame, poor storage, contact with incompatible materials

11. Toxicological Information

Routes of Exposure: Skin and eye contact, inhalation, accidental ingestion
Acute Effects: Irritation to skin and eyes, reversible with prompt first aid
Chronic Effects: Prolonged exposure may cause sensitization (allergic dermatitis), rarely respiratory sensitization
LD50 (oral, rat): >2000 mg/kg
LD50 (dermal, rabbit): >2000 mg/kg
Carcinogenicity: Not classified as carcinogenic by IARC, NTP, ACGIH
Mutagenicity/Teratogenicity: No significant evidence under normal industrial exposure
Other Information: No evidence of reproductive toxicity reported in available animal studies

12. Ecological Information

Ecotoxicity: Harmful to aquatic life with long-lasting effects, not rapidly degradable
Mobility in Soil: Expected low due to high viscosity and water-insolubility, may persist in soil
Bioaccumulation: Low to moderate potential, based on partition coefficient data
Persistence and Degradability: Slow environmental breakdown, moderate potential for accumulation
Aquatic Toxicity: LC50 (fish, 96h): >100 mg/L; EC50 (daphnia, 48h): 10–100 mg/L
Other Adverse Effects: May cause local effects to organisms in water or soil if spilled in large quantities

13. Disposal Considerations

Methods of Disposal: Dispose of contents and container via licensed hazardous waste contractor, follow regional/national regulations
Uncontaminated Product: Incinerate or landfill in accordance with regulatory guidelines where permitted
Contaminated Packaging: Rinse thoroughly before recycling, otherwise treat as hazardous waste
Sewage Disposal: Do not release untreated product to drains, waterways, or low-lying ground
Special Precautions: Avoid mixing with incompatible materials during disposal, keep records for traceability

14. Transport Information

UN Number: Not regulated as dangerous good under most transport regulations when in original containers
Proper Shipping Name: Not classified as hazardous for transport under UN Model Regulations
Hazard Class: None
Packing Group: None
Marine Pollutant: Not classified, but best practice to avoid oceanic release
Transport Precautions: Ship in sealed containers, protect from heat or damage, ensure clear labeling to prevent accidental exposure

15. Regulatory Information

International Inventories: Product listed or compliant on TSCA (USA), EINECS/ELINCS (EU), DSL (Canada), ENCS (Japan), AICS (Australia)
OSHA (US): Not specifically regulated as hazardous but standard chemical safety procedures apply
REACH (EU): Subject to registration and supply chain communication; not subject to authorization or restriction at cutoff date
Other Regulation: Observe community, national, and local environmental regulations, reportable quantity thresholds may apply for large-scale spills
Labeling Requirements: Consistent with GHS for workplace and transport, include pictogram and signal word