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Product Name: Polyisobutylene
Chemical Family: Synthetic hydrocarbon polymer
Common Uses: Adhesives, sealants, lubricants, fuel additives, chewing gum base
CAS Number: 9003-27-4
Manufacturer Information: Included on shipping documents
Contact Number for Emergencies: Provided by supplier
Synonyms: PIB, polybutene-1
Recommended Use: As defined in process documentation and labels
GHS Classification: Not classified as hazardous under OSHA Hazard Communication
Main Hazards: Low risk—may cause mild skin or eye irritation;
Signal Word: None
Pictograms: None
Precautionary Statements: Avoid prolonged skin contact, wash thoroughly after handling
Other Hazards: Heated material can cause burns; molten polyisobutylene may present a slipping hazard on surfaces
Chemical Name: Polyisobutylene
CAS Number: 9003-27-4
Percentage: 100% (for pure material)
Impurities: Additives and stabilizers noted by manufacturer as needed
Inhalation: Remove individual to fresh air if exposure to fumes from heated product occurs
Skin Contact: Wash skin with soap and water; if irritation develops, seek medical advice
Eye Contact: Rinse with plenty of water for several minutes; seek medical attention if irritation persists
Ingestion: Rinse mouth, do not induce vomiting, seek medical help if symptoms occur
Special Notes: If hot material contacts skin, cool rapidly with water and seek medical attention for burns
Suitable Extinguishing Methods: Dry chemical, CO2, foam, water spray
Unsuitable Methods: Direct water streams may spread melted product
Hazardous Combustion Products: Carbon monoxide, carbon dioxide, hydrocarbons
Specific Hazards During Firefighting: Incomplete combustion may produce irritating fumes
Protective Equipment for Firefighters: Self-contained breathing apparatus, protective gear
Fire Behavior: Polyisobutylene can burn if ignited but does not ignite easily at room temperature
Personal Precautions: Use personal protective equipment, avoid skin/slip hazards
Environmental Precautions: Prevent entry into sewers or watercourses
Cleanup Methods: Remove with mechanical means; contain with absorbent material for smaller spills
Disposal of Collected Material: Follow disposal guidelines outlined below
Other Instructions: Clean area thoroughly to prevent residue-related slip hazards
Handling Guidelines: Handle in areas with adequate ventilation, avoid repeated skin contact, prevent spillage on walkways
Protective Measures: Use appropriate PPE such as impervious gloves if direct contact risk exists
Advice on General Occupational Hygiene: Do not eat, drink, or smoke next to the product; wash hands after use
Storage Conditions: Store in cool, dry, well-ventilated place, protected from sunlight and heat sources
Compatible Materials: Store in containers compatible with hydrocarbons
Incompatible Materials: Strong oxidizers
Occupational Exposure Limits: Not established for polyisobutylene
Engineering Controls: Maintain local exhaust ventilation where heated
Protective Equipment: Chemical-resistant gloves, safety glasses or goggles, protective clothing for large-scale handling
Respiratory Protection: Use approved respirators if fumes are generated
Hygiene Measures: Wash hands and face after handling; remove contaminated clothing promptly
Appearance: Colorless to light yellow viscous liquid or rubbery solid
Odor: Very mild to odorless
pH: Not applicable (insoluble in water)
Melting Point: 150–220°C (302–428°F) depending on molecular weight
Boiling Point: Not determined (decomposes before boiling)
Flash Point: 180–240°C (per closed cup method)
Evaporation Rate: Negligible
Solubility: Insoluble in water; soluble in many organic solvents
Vapor Pressure: Very low at ambient temperatures
Density: 0.83–0.92 g/cm3
Viscosity: Highly variable, depending on grade
Auto-ignition Temperature: >300°C
Explosive Properties: Not explosive
Oxidizing Properties: Not an oxidizer
Chemical Stability: Stable under normal processing and storage conditions
Conditions to Avoid: High temperatures, direct flame, strong oxidizers
Materials to Avoid: Strong acids, chlorine, oxidizing agents
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, smoke, hydrocarbons
Possibility of Hazardous Reactions: No dangerous reactions known under normal use
Acute Toxicity: Low toxicity by ingestion, inhalation, skin contact
Skin Corrosion/Irritation: Mild, if contact is prolonged
Serious Eye Damage/Irritation: Mild irritation possible
Respiratory Sensitization: Not expected under normal use
Carcinogenicity: Not listed by IARC, NTP, OSHA
Mutagenicity: No evidence in available studies
Specific Target Organ Toxicity: No effects reported from available data
Other Effects: Repeated contact can cause mechanical irritation or dryness
Ecotoxicity: Not acutely toxic to aquatic organisms based on available data
Mobility in Soil: Low; product tends to remain on surfaces where released
Persistence and Degradability: Not readily biodegradable; persistent in the environment
Bioaccumulative Potential: Low potential for bioaccumulation
Other Adverse Effects: Large spills may cause physical fouling of habitats
Wastewater Impact: Can clog filters and processing equipment
Disposal Containers: Use containers suitable for hydrocarbon waste
Waste Disposal Methods: Dispose according to local, state, and federal regulations; do not release into drains
Contaminated Packaging: Clean before disposal or recycle when possible
Special Precautions: Product residues may create slipping hazards; properly label discarded materials
UN Number: Not regulated for transport in most forms
UN Proper Shipping Name: Polyisobutylene
Transport Hazard Class: Not classified
Packing Group: Not applicable
Environmental Hazards: No special precautions for transport
Transport in Bulk (IMDG): Not classified as dangerous
Special Precautions: Keep from excessive heat or flame during shipping
OSHA Status: Not regulated as hazardous
TSCA Status: Listed on US Toxic Substances Control Act (TSCA) Inventory
SARA/Title III: Not subject to Section 313 reporting
Other US Regulations: Not regulated as a hazardous waste under RCRA
Canadian Regulations: Listed on DSL/NDSL
REACH Status (Europe): Registered substance
WHMIS (Canada): Not controlled
Other Regulations: Refer to local, state, national, and international regulations as appropriate
West Ujimqin Banner, Xilingol League, Inner Mongolia, China
