Product Name: EO/PO Block Copolymers
Synonyms: Poly(ethylene oxide)-poly(propylene oxide) block copolymer, Polyol blend
Recommended Uses: Surfactant, emulsifier, dispersant, foam control agent, viscosity modifier
Supplier Details: Manufacturer and distributor contact information including address and emergency contact number
CAS Number: 9003-11-6 (typical for polyoxypropylene-polyoxyethylene copolymers)
GHS Classification: Not classified as hazardous under GHS or OSHA guidelines
Health Hazards: Mild skin irritation, mild eye irritation possible on direct contact, inhalation of aerosol or mist may cause respiratory irritation, ingestion typically low toxicity but may cause gastrointestinal upset
Environmental Hazards: Low level toxicity to aquatic life
Label Elements: No pictograms required; precautionary statements on skin and eye contact
Signal Word: Not applicable
Chemical Identity: Poly(ethylene oxide)-poly(propylene oxide) block copolymers
Chemical Formula: Variable (block copolymers with EO/PO ratios ranging from 10:90 to 90:10)
Component Content: Typically over 99% active polymer
Impurities: Trace water content (<1%), residual monomers (ethylene oxide, propylene oxide: <0.1%)
Additives: None commonly added, unless specified by product grade
Eye Contact: Flush eyes gently with plenty of water for at least 15 minutes, remove contact lenses if present and easy to do, seek medical advice for persistent irritation
Skin Contact: Wash affected area with soap and plenty of water, remove contaminated clothing, irritation should subside, seek medical attention if redness or irritation persists
Inhalation: Move person to fresh air, keep at rest, consult physician if discomfort or symptoms continue
Ingestion: Rinse mouth with water, drink small amount of water afterwards, do not induce vomiting, consult medical personnel if symptoms develop
Suitable Extinguishing Media: Water spray, dry chemical powder, carbon dioxide, foam
Unsuitable Media: Direct water jet may spread burning liquid
Specific Hazards: Burning produces carbon dioxide, carbon monoxide, some acrid fumes
Protective Equipment: Full protective clothing, self-contained breathing apparatus for firefighters
Fire/Explosion Hazard: Material may form combustible dust concentrations in air
Personal Precautions: Wear protective gloves, goggles, and clothing; avoid contact with skin and eyes
Environmental Precautions: Prevent release to drains, surface water, and soil
Cleanup Methods: Contain and absorb spill with inert absorbent (sand, earth), sweep up and place in container for disposal following regulation
Handling Spills: Ventilate area, wash down residues with copious water if safe, decontaminate tools and area
Handling: Keep container tightly closed, avoid contact with eyes and skin; use in well-ventilated areas; do not ingest; avoid breathing mist
Storage Conditions: Store in a cool, dry, well-ventilated place, away from heat sources and direct sunlight
Incompatible Materials: Strong oxidizers, acids, and bases
Hygiene Measures: Wash hands thoroughly after handling, remove contaminated clothing and wash before reuse
Occupational Exposure Limits: No established OSHA or ACGIH threshold limits for this polymer
Engineering Controls: Adequate local ventilation to control mists, especially in confined areas
Personal Protective Equipment: Safety goggles, chemical-resistant gloves (nitrile or PVC), long-sleeved clothing
Respiratory Protection: Respirator with organic vapor/particulate cartridge in case of mist formation or insufficient ventilation
Workplace Monitoring: Periodic air sampling for aerosolized product; maintain housekeeping to avoid dust buildup
Appearance: Clear to slightly hazy liquid or white waxy solid/granule (depends on block ratio, molecular weight)
Odor: Mild, slightly sweet odor
Odor Threshold: Not determined
pH: 5–8 (5% solution in water)
Melting Point/Freezing Point: Range from below room temperature to approximately 50°C
Boiling Point/Range: >200°C
Flash Point: Typically above 200°C (closed cup)
Evaporation Rate: Not applicable
Flammability: Not classified as flammable, but fine dust or mist may be hazardous
Vapor Pressure: Negligible at 20°C
Solubility in Water: Varies widely; generally soluble or dispersible
Partition Coefficient (n-octanol/water): Data not available
Auto-Ignition Temperature: Above 300°C
Decomposition Temperature: Above 200°C
Viscosity: Varies by molecular weight; from low (liquid) to moderate (waxy solid)
Chemical Stability: Stable under recommended storage and handling conditions
Hazardous Reactions: Reacts with strong oxidizing agents; may degrade forming toxic fumes
Conditions to Avoid: Excessive heat, open flames, and moisture for some grades
Materials to Avoid: Strong acids, oxidizers, peroxides
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, low levels of formaldehyde and other organics upon thermal degradation
Likely Routes of Exposure: Skin contact, eye contact, inhalation of vapor/mist or ingestion
Acute Toxicity: Oral LD50 (rat) >5000 mg/kg, indicating low acute toxicity
Irritation/Corrosivity: Minimal irritant to skin and eyes; prolonged contact may increase risk
Sensitization: Not known to cause allergic reactions
Long-Term Effects: No evidence of chronic toxicity in repeated studies; not listed as a carcinogen, mutagen, or reproductive hazard
Other Effects: Repeated inhalation of aerosol or dust may lead to mild respiratory tract irritation
Aquatic Toxicity: LC50 (fish, 96 hr): typically above 100 mg/L; low acute toxicity
Persistence and Degradability: Readily biodegradable under aerobic conditions
Bioaccumulative Potential: Low based on molecular structure
Mobility in Soil: High water solubility, expected to migrate in water
Other Adverse Effects: No specific data indicating significant hazard for aquatic environments at recommended use concentrations
Waste Treatment Methods: Dispose of material according to local, regional, and national regulations
Product Disposal: Incineration in approved facility is generally accepted, landfill if permitted by law
Contaminated Packaging: Empty containers may retain residues, rinse thoroughly before recycling or disposal
Special Precautions: Avoid release to waterways, sewers, or soil as a matter of responsible environmental management
UN Number: Not regulated as hazardous for transport
UN Proper Shipping Name: Not classified
Transport Hazard Class: Not applicable
Packing Group: Not applicable
Marine Pollutant: Not applicable
Transport Special Precautions: Prevent container damage, keep upright, ensure labeling remains visible
Inventory Status: Listed on TSCA (USA), EINECS/ELINCS (EU), DSL (Canada), AICS (Australia), other global chemical inventories
Labeling Requirements: Based on GHS or local workplace hazard guidelines
SARA/OSHA: Not a listed hazardous chemical under SARA Title III Sections 302, 304, 311, 312, 313
California Prop 65: Not listed as requiring warning
Other Regulations: Complies with REACH restrictions and information requirements; product safety dossier may be available on request
