Skip directly to search Skip directly to A to Z list Skip directly to page options Skip directly to site content
NIOSH

POLYSTYRENE

ICSC: 1043

Benzene, ethenyl-, homopolymer
Ethenylbenzene, homopolymer
(C8H8)x
Molecular mass: 10 000-300 000
ICSC # 1043 		CAS # 9003-53-6
RTECS # WL6475000
November 25, 2003 Validated

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

STORAGE

PACKAGING & LABELLING

Ventilation. Remove all ignition sources. Sweep spilled substance into labelled and suitable containers. (Extra personal protection: P1 filter respirator for inert particles.)


ICSC: 1043 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities (C) IPCS CEC 1994. No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and NIOSH IDLH values.

POLYSTYRENE

ICSC: 1043

I

M

P

O

R

T

A

N

T


D

A

T

A

PHYSICAL STATE; APPEARANCE:
COLOURLESS SOLID IN VARIOUS FORMS

PHYSICAL DANGERS:


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

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established.
MAK 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

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

ENVIRONMENTAL
DATA


N O T E S

ADDITIONAL INFORMATION



ICSC: 1043 POLYSTYRENE
(C) IPCS, CEC, 1994
IMPORTANT LEGAL NOTICE: Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH, the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
Top