Benzene, ethenyl-, homopolymer
Ethenylbenzene, homopolymer
(C8H8)x
Molecular mass: 10 000-300 000
ICSC # 1043
CAS # 9003-53-6
RTECS # WL6475000
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Types of Hazard/ Exposure
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Acute Hazards/ Symptoms
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Prevention
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First Aid/
Fire Fighting
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FIRE
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Combustible.
Gives off irritating or toxic fumes (or gases) in a fire.
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NO open flames.
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Powder, water spray, foam, carbon dioxide.
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Explosion
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Exposure
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PREVENT DISPERSION OF DUST!
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•Inhalation
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Avoid inhalation of
dust
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•Skin
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•Eyes
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Safety goggles,
or eye protection in combination with breathing protection if powder.
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•Ingestion
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Spillage Disposal
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Storage
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Packaging & Labelling
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Ventilation.
Remove all ignition sources.
Sweep spilled substance into labelled and suitable containers.
(Extra personal protection: P1 filter respirator for inert particles.)
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Important Data
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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.
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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:
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Physical
Properties
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Melting point: 240°C
Relative density (water = 1): 1.04-1.13
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Flash point: 345-360°C
Auto-ignition temperature: 427°C
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Environmental
Data
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N O T E S
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ADDITIONAL INFORMATION
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ICSC: 1043
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POLYSTYRENE
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(C) IPCS, CEC, 1994
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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.
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