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POLYSTYRENE
ICSC: 1043
Peer-Review Status: 25.11.2003 Validated
Benzene, ethenyl-, homopolymer
Ethenylbenzene, homopolymer 
CAS #: 9003-53-6 RTECS #: WL6475000
    Formula: (C8H8)x
Molecular mass: 10 000-300 000

TYPES OF
HAZARD /
EXPOSURE
ACUTE HAZARDS / SYMPTOMS      PREVENTION      FIRST AID / FIRE FIGHTING
FIRE Combustible. Gives off irritating or toxic fumes (or gases) in a fire.  NO open flames.  Use water spray, powder, foam, carbon dioxide. 
EXPLOSION      
 
EXPOSURE   PREVENT DISPERSION OF DUST!   
Inhalation   Avoid inhalation of dust.   
Skin      
Eyes   Wear safety goggles or eye protection in combination with breathing protection if powder.   
Ingestion      

SPILLAGE DISPOSAL
PACKAGING & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Ventilation. Remove all ignition sources. Sweep spilled substance into covered suitable, labelled containers.   
EC Classification
 
UN Classification
 
GHS Classification
 

EMERGENCY RESPONSE SAFE STORAGE
   

IMPORTANT DATA
Physical State; Appearance
COLOURLESS SOLID IN VARIOUS FORMS. 

Physical dangers
 

Chemical dangers
Decomposes above 300°C . This produces toxic fumes including styrene. Decomposes on burning. This produces irritating fumes. Reacts with strong oxidants. 

Occupational exposure limits
TLV (NOT-ESTABLISHED):. 

Routes of exposure
 

Inhalation risk
A nuisance-causing concentration of airborne particles can be reached quickly when dispersed, especially if powdered. 

Effects of short-term exposure
May cause mechanical irritation. 

Effects of long-term or repeated exposure
 


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Melting point: 240°C
Relative density (water = 1): 1.04-1.13
Flash point: 345-360°C
Auto-ignition temperature: 427°C  
 

NOTES
 

ADDITIONAL INFORMATION
 

IPCS
International
Programme on
Chemical Safety
WHO ILO EC Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2004-2012
LEGAL NOTICE Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible for the use which might be made of this information.


    See Also:
       Toxicological Abbreviations