Product ID:STYRENE MONOMER
MSDS Date:11/15/1994
FSC:9330
NIIN:00N088127
Status Code:A
MSDS Number: CHTJJ

SHELL CANADA CHEMICAL CO

STATION M
CALGARY, ALBERTA, CANADA

Emergency Phone: 613-966-6666

Info Phone: 403-691-2220

Cage: 36131

SHELL CHEMICALS CANADA LIMITED

4280 CALGARY, ALBERTA CANADA

Telephone: 403-691-2638/800-567-8860

Cage: 36131

(ORAL,RAT) 2820-5000

CAS: 100-42-5

RTECS: WL3675000

Fraction By Weight: 100%

OSHA PEL 100 PPM

ACGIH TLV: 50 PPM;100 STEL, S

EPA Report Quantity: 1000 LBS

DOT Report Quantity: 1000 LBS

INTENSE HEAT FROM FIRES SHOULD BE COOLED

RTECS: 9999999ZZ

CNTNR RUPTURE. CNTNR AREAS EXPOS TO DIRECT FLAME CONT

RTECS: 9999999ZZ

WEAKENING OF CNTNR STRUCTURE. IF TANK, RAIL/TANK

RTECS: 9999999ZZ

RISING SOUND FROM VENTING SFTY DEVICE/DISCOLORATION

RTECS: 9999999ZZ

CAN BE SAFELY STOPPED.

RTECS: 9999999ZZ

RINSING. WASH CONTAM SKIN W/MILD SOAP &

RTECS: 9999999ZZ

IF >2 ML/KG HAS BEEN INGESTED, VOMIT SHOULD BE

RTECS: 9999999ZZ

REFLEX, CONVLS/UNCON OCCUR BEFORE VOMIT, GASTRIC

RTECS: 9999999ZZ

CHARGE. DO NOT CUT, DRILL, GRIND, WELD/PERFORM

RTECS: 9999999ZZ

CLOSED. POLYMERIZES EASILY, STORE <32C & MAINTAIN

RTECS: 9999999ZZ

PROOF. LOC VENT IS REC, FOR PERS ENTRY INTO CONFINED

RTECS: 9999999ZZ

ENTRY PROC MUST BE FOLLOWED INCL VENT & TESTING OF

RTECS: 9999999ZZ

BALANCE AIR EXHAUSTED (EITHER GENERALLY OR LOCALLY).

RTECS: 9999999ZZ

VITON, COATED

RTECS: 9999999ZZ

ONLY IF SAFE TO DO SO. DIKE & CONTAIN LAND

RTECS: 9999999ZZ

KNOCK DOWN VAPS; CONTAIN RUNOFF. FOR LG SPILLS

RTECS: 9999999ZZ

SPILLS W/ABSORB MATL & REMOVE TO NON-LEAKING CNTNRS

RTECS: 9999999ZZ

DISP OF RECOVERED MATL AS NOTED IN WASTE DISP METHS.

RTECS: 9999999ZZ

OR RUNOFF FROM FIRE CONTROL TO ENTER STORM/SANIT

RTECS: 9999999ZZ

OFF DRAINS & DITCHES. PROVINCIAL REGS REQ & FED REGS

RTECS: 9999999ZZ

OF SPILL INCIDENT. SPILL AREA MUST BE CLEANED &

RTECS: 9999999ZZ

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: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)

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.

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 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)

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.

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 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)

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)

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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.