Product Name: Polyvinyl Butyral Resin
Chemical Family: Polyvinyl Acetal
Synonyms: PVB, Vinyl butyral resin
Manufacturer: Supplier name and address with emergency contact
Use: Most often used for interlayers in laminated safety glass, coatings, adhesives, primers
CAS Number: 63148-65-2
UN Number: Not classified
Recommended Restrictions: Industrial, professional settings
GHS Classification: Not classified as hazardous under GHS
Signal Word: None
Hazard Statements: Does not trigger acute toxicity by inhalation or skin exposure, may cause eye irritation, dust may cause mild respiratory tract irritation
Precautionary Statements: Avoid creating dust; wash hands after handling; wear suitable eye and skin protection
Other Hazards: Fine particles may form combustible dust concentrations in air
Label Elements: No pictogram required under current expectations
Hazardous Decomposition Products: Burning releases carbon monoxide, carbon dioxide, and traces of acetic acid and butyraldehyde
Chemical Name: Polyvinyl butyral resin
CAS Number: 63148-65-2
Concentration: ≥ 98%
Impurities: Moisture ≤ 1%, residual methanol, minor traces of sodium compounds
Other Components: Polyvinyl alcohol, polyvinyl acetate (typically below 2%)
Additives: May contain plasticizers like triethylene glycol-di-(2-ethylhexanoate)
Inhalation: Move to fresh air, support breathing if dust exposure caused symptoms
Eye Contact: Rinse immediately with plenty of water for at least 15 minutes, remove contact lenses if present and easy to do, seek medical attention if irritation persists
Skin Contact: Wash skin thoroughly with soap and water, remove contaminated clothing, get medical help if irritation develops
Ingestion: Rinse mouth; do not induce vomiting; get medical attention if symptoms occur
Most Important Symptoms: Redness, mild discomfort in eyes; coughing or sneezing after dusty exposure
Special Instructions for Doctor: No specific antidote, treat based on clinical presentation
Flammability: Not highly flammable, but organic dust can be combustible
Suitable Extinguishing Media: Water spray, dry chemical, foam, carbon dioxide
Unsuitable Media: Avoid direct water jets as they may spread burning particulates
Special Hazards: Thermal decomposition gives off toxic gases: CO, CO2, acetic acid, butyraldehyde
Protective Equipment for Firefighters: Full protective clothing, self-contained breathing apparatus
Advice for Firefighters: Cool containers exposed to heat with water spray, prevent fire-fighting runoff from entering drains
Explosion Hazard: Fine dust may pose explosion risk if suspended in air and ignited
Personal Precautions: Use personal protective equipment to prevent dust in eyes, on skin, and in respiratory tract
Environmental Precautions: Prevent material from entering drains, surface, and ground water
Cleanup Methods: Sweep or vacuum without raising dust, avoid dry sweeping; place in suitable, labeled recovery containers
Emergency Procedures: Ventilate area, keep unnecessary personnel away, wear dust mask or respirator for high concentrations
Disposal: Dispose of spilled material as regulatory requirements demand
Handling: Minimize dust generation and accumulation by using clean work practices; use appropriate local exhaust; avoid eating, drinking, or smoking while handling
Storage Conditions: Store in dry, cool place, away from sources of ignition and strong oxidizers, protect from moisture
Incompatible Materials: Strong oxidizers, strong acids, strong bases
Storage Containers: Keep containers tightly closed and clearly labeled; avoid using containers made from copper, aluminum, or their alloys
Fire Precautions: Ground and bond containers during transfer to avoid static discharge
Occupational Exposure Limits: No established limits for Polyvinyl butyral; use limits for nuisance dust: ACGIH TLV 10 mg/m³ (inhalable), 3 mg/m³ (respirable)
Engineering Controls: Use local exhaust ventilation or general room ventilation to control dust
Personal Protective Equipment:
Physical State: Solid powder or granules
Color: White to pale yellow
Odor: Mild, characteristic
pH: 6–7 (aqueous suspension)
Melting Point: Softens around 60–70°C, decomposes rather than melting
Boiling Point: Not applicable (solid polymer)
Vapor Pressure: Negligible
Specific Gravity: 1.08–1.15 at 25°C
Solubility: Insoluble in water, soluble in ethanol, benzyl alcohol
Flash Point: >150°C
Auto-ignition Temperature: 400–450°C
Explosive Limits: No explosive limits for bulk product; dust at 30–60 g/m³ may be explosive
Viscosity: Not applicable (solid)
Chemical Stability: Stable under normal temperatures and pressures
Hazardous Reactions: No hazardous polymerization
Conditions to Avoid: Excessive heat, open flame, ignition sources, static discharge
Incompatible Materials: Strong acids, strong oxidizing or reducing agents, concentrated bases
Decomposition Products: Carbon monoxide, carbon dioxide, acetic acid, butyraldehyde, traces of formaldehyde, oxides of nitrogen
Routes of Exposure: Inhalation of dust, ingestion, eye and skin contact
Acute Toxicity: Not considered acutely toxic, minimal or no evidence of systemic toxicity; LD50 (oral, rat) > 5,000 mg/kg
Skin Corrosion/Irritation: Not corrosive; may cause temporary irritation
Serious Eye Damage/Irritation: May cause mild, transient irritation
Respiratory Sensitization: No indications of respiratory sensitization
Skin Sensitization: Not considered a sensitizer
Germ Cell Mutagenicity: No available data showing mutagenic effects
Carcinogenicity: Not listed as carcinogen by IARC, NTP, OSHA, or EU
Reproductive Toxicity: No evidence in available studies
Specific Target Organ Toxicity (Single Exposure): Not classified
Specific Target Organ Toxicity (Repeated Exposure): Not classified
Aspiration Hazard: Not relevant (does not form liquid hydrocarbon)
Other Data: Chronic exposure to dust may cause mechanical respiratory tract irritation
Ecotoxicity: No significant toxicity in aquatic or terrestrial organisms; large amounts of fines may impact water physically
Persistence and Degradability: Inert polymer, not readily biodegradable
Bioaccumulation: Potential for bioaccumulation considered low
Mobility in Soil: Not mobile in soil, will remain on soil surface or as solid particulates
Other Adverse Effects: No evidence for environmental release of hazardous substances, but dust in water could disturb aquatic habitats
Waste Treatment Methods: Can be disposed at landfill in accordance with local, national, and regional regulations; incinerate in approved facility if practical
Disposal of Product: Preferred option is recycling or re-use if systems exist; avoid uncontrolled discharge to environment
Packaging Disposal: Empty containers may contain residue; triple rinse or use in accordance with local rules
Special Precautions: Do not allow to contaminate water courses; avoid generation of dust during handling of waste
UN Number: Not regulated as hazardous material for transport
UN Proper Shipping Name: Not applicable
Transport Hazard Class: None
Packing Group: None
Environmental Hazards: Not classed as a marine pollutant
Special Precautions for Transport: Protect from moisture and sources of ignition during shipment; keep containers sealed
EU Regulations: REACH compliant, not classified as dangerous under 1272/2008/EC
US TSCA Status: Listed on TSCA Inventory
Canada DSL/NDSL: Listed
Japan ENCS: Registered
China IECSC: Registered
Other International Inventory Status: Compliant with Korea KECI, Australia AICS, Philippines PICCS
Labeling Requirements: None under GHS, product labeling based on local legislation
Restriction: No significant restrictions on use in major jurisdictions
Industry Notices: May be subject to regulations for dust exposure; waste generated must observe environmental protection laws