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

MSDS NAME:STYRENE MONOMER
NIIN:00N088127
Status Code:A
MSDS Number: CHTJJ
=== Responsible Party ===
Company:SHELL CANADA CHEMICAL CO
Address:STATION M
Box:100
City:CALGARY, ALBERTA, CANADA
Info Phone Num:403-691-2220
Emergency Phone Num:613-966-6666
CAGE:36131
=== Contractor Identification ===
Company:SHELL  CHEMICALS  CANADA  LIMITED
Address:400 4TH AVE SW STATION C
Box:4280
City:CALGARY, ALBERTA CANADA
Phone:403-691-2638/800-567-8860
CAGE:36131

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

Name:STYRENE MONOMER (SARA 313). LD50:(ORAL,RAT) 2820-5000
    MG/KG.
CAS:100-42-5
RTECS #:WL3675000
Fraction by Wt: 100%
OSHA PEL:100 PPM
ACGIH TLV:50 PPM;100 STEL, S
EPA Rpt Qty:1000 LBS
DOT Rpt Qty:1000 LBS

Name:FIRE FIGHT PROC:INTENSE HEAT FROM FIRES SHOULD BE COOLED
    W/WATER TO PVNT VAP PRESS BUILDUP WHICH COULD RSLT IN (ING 3)
RTECS #:9999999ZZ

Name:ING 2:CNTNR RUPTURE. CNTNR AREAS EXPOS TO DIRECT FLAME CONT
    SHOULD BE COOLED W/LG QTYS OF WATER AS NEEDED TO PVNT(ING 4)
RTECS #:9999999ZZ

Name:ING 3:WEAKENING OF CNTNR STRUCTURE. IF TANK, RAIL/TANK
    TRUCK IS INVOLVED, ISOLATE AREA. W/DRAW IMMED IN CASE OF (ING 5)
RTECS #:9999999ZZ

Name:ING 4:RISING SOUND FROM VENTING SFTY DEVICE/DISCOLORATION
    OF TANK DUE TO FIRE. DO NOT PUT OUT FIRE UNLESS FLOW (ING 6)
RTECS #:9999999ZZ

Name:ING 5:CAN BE SAFELY STOPPED.
RTECS #:9999999ZZ

Name:FIRST AID PROC:RINSING. WASH CONTAM SKIN W/MILD SOAP &
    WATER. IF IRRIT OCCURS & PERSISTS, OBTAIN MED ATTN. NOTES (ING 8)
RTECS #:9999999ZZ

Name:ING 7:TO MD:IF >2 ML/KG HAS BEEN INGESTED, VOMIT SHOULD BE
    INDUCED W/SUPERVISION. IF SYMPS SUCH AS LOSS OF GAG (ING 9)
RTECS #:9999999ZZ

Name:ING 8:REFLEX, CONVLS/UNCON OCCUR BEFORE VOMIT, GASTRIC
    LAVAGE W/CUFFED ENDOTRACHEAL TUBE SHOULD BE CONSIDERED.
RTECS #:9999999ZZ

Name:OTHER PREC:CHARGE. DO NOT CUT, DRILL, GRIND, WELD/PERFORM
    SIMILAR OPERATIONS ON/NEAR CNTNRS. KEEP CNTNR TIGHTLY (ING 11)
RTECS #:9999999ZZ

Name:ING 10:CLOSED. POLYMERIZES EASILY, STORE <32C & MAINTAIN
    PROPER INHIBITOR & DISSOLVED OXYGEN LEVELS.
RTECS #:9999999ZZ

Name:VENT:PROOF. LOC VENT IS REC, FOR PERS ENTRY INTO CONFINED
    SPACES (I.E., BULK STOR TANKS) PROPER CONFINED SPACE (ING 13)
RTECS #:9999999ZZ

Name:ING 12:ENTRY PROC MUST BE FOLLOWED INCL VENT & TESTING OF
    TANK ATM. MAKE UP OF AIR SHOULD ALWAYS BE SUPPLIED TO (ING 14)
RTECS #:9999999ZZ

Name:ING 13:BALANCE AIR EXHAUSTED (EITHER GENERALLY OR LOCALLY).
RTECS #:9999999ZZ

Name:PROT GLOVES:ALCOHOL). ALTERNATES ARE: VITON, COATED
    NITRILE, POLYVINYL, CHLORIDE.
RTECS #:9999999ZZ

Name:SPILL PROC:ONLY IF SAFE TO DO SO. DIKE & CONTAIN LAND
    SPILLS; CONTAIN WATER SPILLS BY BOOMING. USE WATER FOG TO (ING 17)
RTECS #:9999999ZZ

Name:ING 16:KNOCK DOWN VAPS; CONTAIN RUNOFF. FOR LG SPILLS
    REMOVE BY MECH MEANS & PLACE IN CNTNRS. ABSORB RESIDUE/SM (ING 18)
RTECS #:9999999ZZ

Name:ING 17:SPILLS W/ABSORB MATL & REMOVE TO NON-LEAKING CNTNRS
    FOR DISP. FLUSH AREA W/WATER TO REMOVE TRACE RESIDUE.(ING 19)
RTECS #:9999999ZZ

Name:ING 18:DISP OF RECOVERED MATL AS NOTED IN WASTE DISP METHS.
    NOTIFY APPROP ENVIRON AGENCY(IES). DO NOT ALLOW PROD(ING 20)
RTECS #:9999999ZZ

Name:ING 19:OR RUNOFF FROM FIRE CONTROL TO ENTER STORM/SANIT
    SEWERS, LAKES, RIVERS, STREAMS/PUBLIC WATERWAYS. BLOCK (ING 21)
RTECS #:9999999ZZ

Name:ING 20:OFF DRAINS & DITCHES. PROVINCIAL REGS REQ & FED REGS
    MAY REQ THAT ENVIRON &/OR OTHER AGENCIES BE NOTIFIED(ING 22)
RTECS #:9999999ZZ

Name:ING 21:OF SPILL INCIDENT. SPILL AREA MUST BE CLEANED &
    RESTORED TO ORIGINAL CNDTN/TO SATISFACTION OF AUTHORITES.
RTECS #:9999999ZZ

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

LD50 LC50 Mixture:SEE INGREDIENT 1.
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:YES	 OSHA:NO
Health Hazards Acute and Chronic:EXPOS MAY OCCUR VIA INHAL, INGEST/THRU
    SKIN CONT. PRLNG & RPTD CONT W/SKIN CAN CAUSE DEFAT & DRYING OF
    SKIN RESULTING IN IRRIT & DERM. LIQ FORM OF THIS PROD IS IRRIT TO
    EYE & VAP CONCS THAT EXCEED PEL  CAN PRDCE EYE & RESP TRACT IRRIT.
    THE INHIBITOR, TBC, IS A KNOWN IRRIT & SKIN SENSITIZER, ALTHOUGH IS
    (EFTS OF OVEREXP)
Explanation of Carcinogenicity:STYRENE:IARC MONOGRAPHS, VOL 60, PG 233,
    1994:GROUP 2B. ANIMAL:REPRODUCTIVE SYSTEM.
Effects of Overexposure:HLTH HAZ:UNLIKELY TO PRESENT ANY HAZ AT CONCS
    PRESENT IN STYRENE. PRLNG EXPOS TO HIGH VAP CONC CAN CAUSE HDCH,
    DIZZ, NAUS & CNS DEPRESS. INGEST OF THIS PROD MAY CAUSE HDCH, DIZZ,
    FATG & CNS DEPRESS. T HE LIQ WHEN ACCIDENTALLY ASPIRATED INTOLUNGS
    CAN CAUSE A SEVERE INFLAMMATION OF THE LUNG.
Medical Cond Aggravated by Exposure:PREEXISTING EYE, SKIN & RESP
    DISORDERS MAY BE AGGRAVATED BY EXPOS TO THIS PROD. PREEXISTING
    SKIN/LUNG ALLERGIES MAY INCR CHANCE OF DEVELOPING INCREASED ALLERGY
    SYMPS FROM EXPOS TO THIS PRODUCT.

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

Eyes:FLUSH W/WATER FOR AT LST 15 MINS WHILE HOLDING LIDS
    OPEN. OBTAIN MED ATTN ASAP AFTER FIRST AID HAS BEEN INITIATED &
    COMPLETED. INHAL:REMOVE VICTIM FROM FURTHER EXPOS & RESTORE BRTHG,
    IF REQD. OBT AIN MED ATTN. INGEST:DO NOT INDUCE VOMIT. OBTAIN MED
    ATTN IMMED. IF VOMIT OCCURS SPONT KEEP HEAD BELOW HIPS TO PVNT
    ASPIR OF LIQ INTO LUNGS. SKIN:START RINSING & REMOVE CONTAM CLTHG
    WHILE (ING 7)

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

Flash Point Method:TCC
Flash Point:87.8F,31.0C
Lower Limits:1.1%
Upper Limits:6.1%
Extinguishing Media:DRY CHEMICAL, CARBON DIOXIDE, ALCOHOL FOAM, WATER
    FOG.
Fire Fighting Procedures:USE NIOSH APPRVD SCBA & FULL PROT EQUIP . DO
    NOT USE WATER EXCEPT AS FOG. PROD WILL FLOAT & CAN BE REIGNITED ON
    SURF OF WATER. CNTNRS EXPOS TO (ING 2)
Unusual Fire/Explosion Hazard:SENSITIVE TO STATIC DISCHARGE. CONTAINERS
    EXPOSED TO INTENSE HEAT MAY RUPTURE. BURNS W/DENSE, OILY BLACK
    SMOKE.

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

Spill Release Procedures:ISSUE WARNING "FLAMM". ELIM ALL IGNIT SOURCES.
    HNDLG EQUIP MUST BE GROUNDED. ISOLATE HAZ AREA & RESTRICT ACCESS.
    TRY TO WORK UPWIND OF SPILL. AVOID DIRECT CONT W/MATL. WEAR APPROP
    NIOSH APPRVD BRTHG A PPAR (IF APPLIC) & PROT CLTHG. STOP LEAK (ING
    16)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:FLAMMABLE. STORE IN A COOL, DRY, WELL
    VENTILATED AREA, AWAY FROM HEAT & IGNITION SOURCES. AVOID BREATHING
    VAPS & PROLONGED OR REPEATED CONTACT W/SKIN.
Other Precautions:VAPS MAY ACCUM & TRAVEL TO DIST IGNIT SOURCES &
    FLASHBACK. USE EXPLO-PROOF VENT TO PVNT VAP ACCUM. EMPTY CNTNRS MAY
    CONTAIN HAZ PROD RESIDUES. FIXED EQUIP AS WELL AS TRANSFER CNTNRS &
    EQUIP SHOULD BE  GROUNDED TO PVNT ACCUM OF STATIC(ING 10)

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

Respiratory Protection:IF EXPOSURE EXCEEDS OCCUPATIONAL EXPOSURE
    LIMITS, WEAR A NIOSH APPROVED RESPIRATOR. PROPER EQUIPMENT FOR HIGH
    CONCENTRATIONS INCLUDES A NIOSH APPROVED ATMOSPHERE SUPPLIED,
    POSITIVE PRESSURE DEMAND, SE LF-CONTAINED/AIRLINE BRTHG APPARATUS.
Ventilation:MECH VENT IS REC FOR ALL INDOOR SITUATIONS TO CONTROL
    FUGITIVE EMISSIONS. ELEC & MECH EQUIP SHOULD BE EXPLO- (ING 12)
Protective Gloves:IMPERVIOUS GLOVES (POLYVINYL (ING 15)
Eye Protection:ANSI APPROVED CHEM WORKERS GOGGS .
Other Protective Equipment:EYE WASH FOUNTAIN & DELUGE SHOWER WHICH MEET
    ANSI DESIGN CRITERIA . IMPERVIOUS CLOTHING (APRON, COVERALLS).
Work Hygienic Practices:WASH W/SOAP & WATER PRIOR TO EATING, DRINKING,
    SMOKING/USING TOILET FACILITIES. PROPERLY DISP OF CONTAM LEATHER
    (SUPDAT)
Supplemental Safety and Health
CNDTNS(POLYM):MAINTAIN DISSOLVED OXYG & INHIBITOR AT PROPER LEVELS TO
    PVNT RUNAWAY POLYMERIZATION. WASTE DISP METH:FACILITY. DO NOT
    ATTEMPT TO COMBUST WASTE ON-SITE. INCIN AT LICENSED WASTE DISP SITE
     W/APPROVAL OF ENVIRON AUTH. HYGIENE PRACT:ARTICLES, INCLUDING
    SHOES. LAUNDER CONTAM CLTHG PRIOR TO REUSE.

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

Boiling Pt:B.P. Text:293F,145C
Melt/Freeze Pt:M.P/F.P Text:-24F,-31C
Vapor Pres:>5.2 @ 20C
Vapor Density:3.6
Spec Gravity:0.91 (H*2O=1)
Evaporation Rate & Reference:0.49 (N-BUTYL ACETATE=1)
Solubility in Water:INSOLUBLE
Appearance and Odor:COLORLESS, YELLOWISH, LIQUID OIL; AROMATIC ODOR.

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

Stability Indicator/Materials to Avoid:YES
AVOID CONTACT W/STRONG OXIDIZING AGENTS & ACIDS. AVOID COPPER & COPPER
    ALLOYS, ACIDS, BASES.
Stability Condition to Avoid:AVOID EXCESSIVE HEAT, OPEN FLAMES & ALL
    IGNITION SOURCES.
Hazardous Decomposition Products:CARBON MONOXIDE & CARBON DIOXIDE ARE
    PRODUCED ON COMBUST. ALDEHYDES & EXPLO PEROXIDES FORMED FROM
    INCOMPLETE COMBUST.
Conditions to Avoid Polymerization:AT ELEVATED TEMPS AS IN FIRE CNDTNS
    (>65C), EXOTHERMIC POLYMERIZATION MAY OCCUR CAUSING POSS CNTNR
    RUPTURE. (SUPP DATA)

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

Waste Disposal Methods:DISP MUST BE I/A/W FED, STATE & LOC REGS. WASTE
    MANAGEMENT PRIORITIES (DEPENDING ON VOLS & CONC OF WASTE) ARE:
    (1)RECYCLE (REPROCESS), (2)ENERGY RECOVERY (CEMENT KILNS, THERMAL
    POWER GENERATION) , (3)INCIN, (4)DISP AT LICENSED WASTE
    DISP(SUPDAT)

 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.

*** END OF RECORD ***