Product ID:STYRENE MONOMER 50T
MSDS Date:03/01/1993
FSC:6810
NIIN:00-987-4126
MSDS Number: BSHVK

VAN WATERS AND ROGERS INC DIV OF UNIVAR CORP

6100 CARILLON PT
KIRKLAND, WA 98033
US

Emergency Phone: 800-424-9300(CHEMTREC)

Info Phone: 909-683-5165

Preparer: C. A. EISENHARD

Cage: 0STM5

VOPAK USA INC

KIRKLAND, WA 98033-7357 US

Telephone: 425-889-3400/425-889-3617

Cage: 0STM5

STYRENE, MONOMER (SARA III)

CAS: 100-42-5

RTECS: WL3675000

Fraction By Weight: 99% %

OSHA PEL 50 PPM/100 STEL

ACGIH TLV: S,50PPM/100STEL;9192

EPA Report Quantity: 1000 LBS

DOT Report Quantity: 1000 LBS

P-T-BUTYLCATECHOL (4-TERT-BUTYLCATECHOL)

CAS: 98-29-3

RTECS: UX1400000

OSHA PEL 200 PPM (CEILING)

ACGIH TLV: 100 PPM STEL

LD50 LC50 Mixture:ORAL LD50 (RAT) IS 316 MG/KG
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:VAPORS AND MIST MAY IRRITATE THE NOSE
& THROAT. INHALATION OF VERY HIGH CONCENTRATIONS OR PROLONGED
EXPOSURE MAY CAUSE UNCONSCIOUSNESS. EYE-IRRITATION. LIQUID & MIST
MAY DAMAGE THE EYES.
Explanation of Carcinogenicity:NOT LISTED BY THESE ORGANIZATIONS AS A
CARCINOGEN. IARC HAS PROPOSED TO RECLASSIFY STYRENE AS "POSSIBLY"
CARCINOGENIC.
Effects of Overexposure:INHALATION OF HIGHER CONCENTRATIONS MAY CAUSE
MAY CAUSE DRUNKENESS, ANESTHETIC OR NARCOTIC EFFECTS WITH NAUSEA,
HEADACHE, VOMITING AND COMA. SKIN: MAY DRY THE SKIN, DERMATITIS,
CRACKING, BLISTERING, B URN.
Medical Cond Aggravated by Exposure:NONE REPORTED.

First Aid:INHALED: REMOVE TO FRESH AIR. GIVE CPR IF NOT BREATHING. GET
IMMEDIATE MEDICAL ATTENTION. EYE: IMMEDIATELY FLUSH EYES WITH LOTS
OF WATER FOR 15 MINUTES. GET IMMEDIATE MEDICAL ATTENTION. SKIN:
FLUSH SK IN WITH LOTS OF WATER FOR 15 MINUTES. REMOVE CONTAMINATED
CLOTHING & SHOES. GET IMMEDIATE MEDICAL ATTENTION. INGESTION: DO
NOT INDUCE VOMITING. GET IMMEDIATE MEDICAL ATTENTION.

Flash Point:88.0F,31.1C
Lower Limits:1.1
Upper Limits:6.1
Extinguishing Media:USE WATER SPRAY, DRY CHEMICAL OR CARBON DIOXIDE. DO
NOT USE A DIRECT WATER STREAM.
Fire Fighting Procedures:FIRE FIGHTERS SHOULD USE NIOSH APPROVED SCBA &
FULL PROTECTIVE EQUIPMENT WHEN FIGHTING CHEMICAL FIRE. USE WATER
SPRAY TO COOL NEARBY CONTAINERS EXPOSED TO FIRE.
Unusual Fire/Explosion Hazard:STYRENE VAPORS ARE UNINHIBITED AND MAY
FORM POLYMERS IN VENTS OR FLAME ARRESTERS OR STORAGE TANKS
RESULTING IN STOPPAGE OF VENTS.

Spill Release Procedures:WEAR PROTECTIVE EQUIPMENT (RUBBER BOOTS,
GLOVES & APRON) & SELF-CONTAINED BREATHING APPARATUS IN THE
PRESSURE DEMAND MODE OR A SUPPLIED AIR RESPIRATOR. EXTINGUISH ALL
IGNITION SOURCES. MOP OR WIPE UP & DISPOSE OF IN D.O.T CONTAINER.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:KEEP AWAY FROM HEAT, SPARKS, AND
FLAMES. STORE IN WELL VENTILATED PLACE AWAY FROM INCOMPATIBLE
MATERIALS.
Other Precautions:VENT CONTAINER MORE OFTEN IN WARM WEATHER TO RELIEVE
PRESSURE. ELECTRICALLY GROUND ALL EQUIPMENT WHEN HANDLING PRODUCT
AND USE ONLY NON-SPARKING TOOLS. DO NOT USE PRESSURE TO EMPTY
CONTAINER. DO NOT C UT, GRIND, OR WELD IN AREA.

Respiratory Protection:WEAR A NIOSH-APPROVED RESPIRATOR APPROPRIATE FOR
THE VAPOR OR MIST CONCENTRATION AT THE POINT OF USE. FOR EXAMPLE A
SUPPLIED AIR RESPIRATOR.
Ventilation:LOCAL MECHANICAL EXHAUST VENTILATION.
Protective Gloves:RUBBER GLOVES
Eye Protection:CHEMICAL GOGGLES
Other Protective Equipment:RUBBER APRON. EYE WASH STATION & SAFETY
SHOWER.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING. DO NOT GET IN
EYES, ON SKIN OR ON CLOTHING. LAUNDER CONTAMINATED CLOTHING BEFORE
REUSE.
Supplemental Safety and Health
"EMPTY" CONTAINERS WILL RETAIN PRODUCT RESIDUE AND VAPORS. ALWAYS OBEY
HAZARD WARNINGS AND HANDLE EMPTY CONTAINERS AS IF THEY WERE FULL.

HCC:F3
Boiling Pt:B.P. Text:293F,145C
Vapor Pres:4.5 MM HG
Vapor Density:3.6(AIR=1)
Spec Gravity:0.90 (WATER=1)
Evaporation Rate & Reference:N/K (N-BUTYL ACETATE=1)
Solubility in Water:NIL
Appearance and Odor:CLEAR, COLORLESS LIQUID, SWEET ODOR

Stability Indicator/Materials to Avoid:YES
ACIDS, OXIDIZING MATERIALS, ALKALIS, METALLIC HALIDES AND PEROXIDES.
Stability Condition to Avoid:MAINTAIN INHIBITOR LEVEL AND KEEP BELOW 90
F/32 C HEAT.
Hazardous Decomposition Products:MAY LIBERATE CARBON MONOXIDE OR CARBON
DIOXIDE.
Conditions to Avoid Polymerization:HEAT, CONTACT WITH METAL HALIDES OR
PEROXIDES OR OXYGEN ALSO CONTRIBUTE TO POLYMERIZATION.

Waste Disposal Methods:CONSULT APPROPIATE FEDERAL, STATE, AND LOCAL
REGULATORY AGENCIES FOR PROPER DISPOSAL INFORMATION. KEEP OUT OF
SEWERS, STORM DRAINS, SURFACE WATERS AND SOIL.

Disclaimer (provided with this information by the compiling agencies):
This information is formulated for use by elements of the Department
of Defense. The United States of America in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. Any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.