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POLYSTYRENE ICSC: 1043
Date of Peer Review: November 2003

Benzene, ethenyl-, homopolymer
Ethenylbenzene, homopolymer
CAS # 9003-53-6 (C8H8)x
RTECS # WL6475000 Molecular mass: 10 000-300 000
UN #
EC #
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.
Powder, water spray, foam, carbon dioxide.
EXPLOSION


EXPOSURE
PREVENT DISPERSION OF DUST!

Inhalation
Avoid inhalation of dust.

Skin


Eyes
Safety goggles, or eye protection in combination with breathing protection if powder.

Ingestion


SPILLAGE DISPOSAL PACKAGING & LABELLING
Ventilation. Remove all ignition sources. Sweep spilled substance into labelled and suitable containers. (Extra personal protection: P1 filter respirator for inert particles.)
EU Classification
UN Classification

EMERGENCY RESPONSE STORAGE


IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities IPCS, CEC 1999

SEE IMPORTANT INFORMATION ON BACK


POLYSTYRENE ICSC: 1043
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
COLOURLESS SOLID IN VARIOUS FORMS

CHEMICAL DANGERS:
The substance decomposes on heating above 300C producing toxic fumes including styrene. The substance decomposes on burning producing irritating fumes. Reacts with strong oxidants.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established. MAK not established.
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.

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

NOTES

ADDITIONAL INFORMATION


LEGAL NOTICE Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information
IPCS, CEC 1999