ICSC 1043 - POLYSTYRENE

[List of Chemicals] [Risk Notes] [Risk Phrases] [Safety Phrases] [Danger Symbols]

POLYSTYRENE

ICSC: 1043
_{November 2003}

Benzene, ethenyl-, homopolymer
Ethenylbenzene, homopolymer

CAS No: 9003-53-6
RTECS No: WL6475000

(C₈H₈)_x
Molecular mass: 10 000-300 000

TYPES OF HAZARD / EXPOSURE	ACUTE HAZARDS / SYMPTOMS	PREVENTION	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.)

EMERGENCY RESPONSE	STORAGE

IMPORTANT DATA
Physical State; Appearance COLOURLESS SOLID IN VARIOUS FORMS Chemical dangers The substance decomposes on heating above 300°C 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	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

IPCS
International
Programme on
Chemical Safety

Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2003

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Updated by AS. Approved by EC. Last update: 23.01.2004