=====================  Product Identification  =====================

MSDS NAME:STYRENE MONOMER 12T & 50T
NIIN:00-987-4126
MSDS Number: BGBYH
=== Responsible Party ===
Company:DOW CHEMICAL CO.
Address:2020 DOW CENTER
City:MIDLAND
State:MI
ZIP:48640-6030
Country:US
Emergency Phone Num:NONE
CAGE:MO274
=== Contractor Identification ===
Company:DOW CHEMICAL CO
Address:100 LARKIN CENTER
Box:City:MIDLAND
State:MI
ZIP:48674
Country:US
Phone:800-258-2436
CAGE:96717
Company:DOW CHEMICAL CO.
Address:2020 DOW CENTER
Box:City:MIDLAND
State:MI
ZIP:48640-6030
Country:US
CAGE:MO274

=============  Composition/Information on Ingredients  =============

Name:STYRENE, MONOMER  (SARA III)
CAS:100-42-5
RTECS #:WL3675000
Fraction by Wt: 99.5%
OSHA PEL:100 PPM
ACGIH TLV:S,50PPM/100STEL;9293
EPA Rpt Qty:1000 LBS
DOT Rpt Qty:1000 LBS

=====================  Hazards Identification  =====================

Effects of Overexposure:BAD ODORANT,EYE & NASAL
    IRRITATION,DIZZINESS,DRUNKENESS;HIGH LEVELS-ANESTHESIA.

=======================  First Aid Measures  =======================

First Aid:EYE & SKIN:FLUSH WITH WATER.INHALATION-REMOVE TO FRESH
    AIR,KEEP WARM & QUIET,CPR IF NECESSARY.INGESTION-NO KNOWN
    ANTIDOTE.OBTAIN IMMEDIATE MEDICAL ATTENTION.

=====================  Fire Fighting Measures  =====================

Flash Point:88F CC
Autoignition Temp:Autoignition Temp Text:914F
Lower Limits:1.1
Upper Limits:6.1
Extinguishing Media:WATER FOG,FOAM,CO*2,DRY CHEMICAL
Fire Fighting Procedures:NONE
Unusual Fire/Explosion Hazard:POLYMERIZATION MAY OCCUR AT HI TEMP;IN A
    CONTAINER VIOLENT RUPTURE IS POSSIBLE.

==================  Accidental Release Measures  ==================

Spill Release Procedures:SMALL SPILL:ABSORB WITH SUITABLE AGENT,WASH
    W.SOAP & WATER.LARGE SPILL:CONTAIN W.DIKES,PUMP WATER INTO
    AREA,SALVAGE FOR INCINERATION OR REUSE.

======================	Handling and Storage  ======================

Handling and Storage Precautions:CONTROLLED TEMPERATURE STORAGE
    <90F,MONITOR & CONTROL INHIBITOR AT >5 PPM, CARE & CAUTION TO AVOID
    EXPLOSION.
Other Precautions:VAPOR IS 1.1 TIMES HEAVIER THAN AIR AT 100F;IGNITION
    AT 914F.

=============  Exposure Controls/Personal Protection  =============

Respiratory Protection:FOR 100 PPM OR MORE USE SELF CNTNED BREATHING
    APPARATUS.LOCAL-NATURA
Ventilation:VENT SUFFICIENT.DOWN DRAFT MECHANICAL EXHAUST.
Protective Gloves:RUBBER
Eye Protection:CHEMICAL GOGGLES
Other Protective Equipment:GLOVES:NON-SOLUBLE PLASTIC
Supplemental Safety and Health
TRADE NAME(CONT):PHENYLETHYLENE,STYROL,VINYLBENZENE,CINNAMENE,CINNAMOL.

==================  Physical/Chemical Properties  ==================

HCC:F3
Boiling Pt:B.P. Text:293.4F
Vapor Pres:4.5
Vapor Density:3.6
Spec Gravity:0.905
Solubility in Water:NEGLIGIBLE
Appearance and Odor:LIQUID,SWEET ODOR WHEN PURE,SHARP ODOR WHEN IMPURE
Percent Volatiles by Volume:100

=================  Stability and Reactivity Data  =================

Stability Indicator/Materials to Avoid:NO
AVOID ACID,BASE,CORROSIVE & OXIDIZING MATERIAL
Stability Condition to Avoid:OPEN FLAME,SEALED CONTAINERS MAY RUPTURE
    AT HI TEMPERATURES.
Conditions to Avoid Polymerization:HEAT,METAL SALTS,SUCH AS FERRIC &
    AMMONIUM CHLORIDES.

====================  Disposal Considerations  ====================

Waste Disposal Methods:INCINERATE IN PROPER FURNACE IN ACCORDANCE
    W.FEDERAL,STATE & LOCAL REGULATIONS.

 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.

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