RHONE-POULENC BASIC CHEMICALS CO -- SULFUR DIOXIDE  -- 6830-00N038431
<pre>=====================  Product Identification  =====================

Product ID:SULFUR DIOXIDE
MSDS Date:08/23/1991
FSC:6830
NIIN:00N038431
=== Responsible Party ===
Company Name:RHONE-POULENC BASIC CHEMICALS CO
Address:1 CORPORATE DR
Box:881
City:SHELTON
State:CT
ZIP:06484
Country:US
Info Phone Num:203-925-3300
Emergency Phone Num:800-424-9300 (CHEMTREC)
CAGE:RHNEP
=== Contractor Identification ===
Company Name:RHONE-POULENC BASIC CHEMICAL CO
Address:1 CORPORATE DR
Box:881
City:SHELTON
State:CT
ZIP:06484
Country:US
Phone:203-925-3300
CAGE:RHNEP
Company Name:RHONE-POULENC INC.
Address:297 JERSEY AVENUE
Box:City:NEW BRUNSWICK
State:NJ
ZIP:08901
Country:US
Phone:203-925-3300/800-424-9300(CHEMTREC)
CAGE:55693

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

Ingred Name:ING 8:IF BRTHG DFCLT OR IRRIT DEVELOPS, GET MD. EYE:IMMED
    FLUSH W/PLENTY OF WTAER FOR AT LEAST 15 MINS USING (ING 10)
RTECS #:9999999ZZ

Ingred Name:ING 9:AN EYE WASH FOUNTAIN IF AVAIL. LIFT UPPER/LOWER LIDS
    & RINSE WELL UNDER THEM. GET MD. NOTE TO MD:NO (ING 11)
RTECS #:9999999ZZ

Ingred Name:ING 10:SPECIFIC ANTIDOTE AVAIL. ALL TREATMENTS SHOULD BE
    BASED ON OBSERVED SIGNS/SYMPS OF DISTRESS IN PATIENT. (ING 12)
RTECS #:9999999ZZ

Ingred Name:ING 11:CONSIDERATION SHOULD BE GIVEN TO POSS THAT OVEREXP
    TO MATLS OTHER THAN THIS PROD MAY BE OCCURED.
RTECS #:9999999ZZ

Ingred Name:SPILL PROC:DIOXIDE IS PRESENT. NEVER APPLY WATER TO A
    SULFUR DIOXIDE LEAK. WATER CAUSES SULFUR DIOXIDE TO BE (ING 14)
RTECS #:9999999ZZ

Ingred Name:ING 13:MORE CORROSIVE. A LEAKING SULFUR DIOXIDE CNTNR
    SHOULD BE SHIFTED SO THAT GASEOUS RATHER THAN LIQ MATL (ING 15)
RTECS #:9999999ZZ

Ingred Name:ING 14:WILL ESCAPE.. A SMALL LIQ SPILL OR LEAK CAN BE
    HANDLED ROUTINELY BY PASSING SULFUR DIOXIDE THRU AN (ING 16)
RTECS #:9999999ZZ

Ingred Name:ING 15:ALKALINE NEUTRALIZING SOLN. ONE POUND OF SULFUR
    DIOXIDE IS EQUIVALENT TO ABOUT 2 POUNDS OF LIME OR ONE & (ING 17)
RTECS #:9999999ZZ

Ingred Name:ING 16:A HALF POUNDS OF CAUSTIC SODA. LRG SPILLS SHOULD BE
    HANDLED ACCORDING TO PREDETERMINED PLAN. FOR ASSIST  (ING 18)
RTECS #:9999999ZZ

Ingred Name:ING 17:IN DEVELOPING A PLAN, CONTACT THE TECHNICAL SERVICE
    DEPARTMENT (1-800-642-4200).
RTECS #:9999999ZZ

Ingred Name:SULFUR DIOXIDE  (SARA III)
CAS:7446-09-5
RTECS #:WS4550000
Fraction by Wt: 100%
OSHA PEL:5 PPM/5 STEL
ACGIH TLV:2 PPM/5 STEL; 9293

Ingred Name:MATLS TO AVOID:CHLORINE DIOXIDE. CORRODES ALUMINUM.
RTECS #:9999999ZZ

Ingred Name:EFTS OF OVEREXP:LIKE RXNS FOLLOWING EXPOS TO RELATIVELY LOW
    LEVELS OF SULFUR DIOXIDE. SKIN:LIQ CAUSES BURNS (ING 4)
RTECS #:9999999ZZ

Ingred Name:ING 3:(FROSTBITE). EYE:LIQUID CAUSES BURNS. GAS IS SEVERELY
    IRRITATING. REPEATED EXPOS OF ANIMALS TO SULFUR (ING 5)
RTECS #:9999999ZZ

Ingred Name:ING 4:DIOXIDE CAN PRODUCE A THICKENING OF THE MUCOUS LAYER
    IN TRACHEA & AN INCR IN GOBLET CELLS & MUCOUS GLANDS (ING 6)
RTECS #:9999999ZZ

Ingred Name:ING 5:SIMILAR TO CHANGES OBSERVED IN HUMAN CHRONIC
    BRONCHITIS.
RTECS #:9999999ZZ

Ingred Name:FIRST AID PROC:LEAST 15 MINS, WHILE REMOVING CONTAM
    CLTHG/SHOES. DO NOT ATTEMPT TO NEUTRALIZE W/CHEM AGENTS. (ING 8)
RTECS #:9999999ZZ

Ingred Name:ING 7:GET MD IMMED. DISCARD ANY CONTAM CLTHG/SHOES.
    INHAL:MOVE TO FRESH AIR. IF NOT BRTHG GIVE CPR OR ARTF RESP.(ING 9)
RTECS #:9999999ZZ

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

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE POISONING FROM SULFUR DIOXIDE IS
    RARE BECAUSE THE GAS IS EASILY DETECTED. IT IS SO IRRITATING THAT
    CONTACT CANNOT BE TOLERATED. SYMPS INCL COUGHING, HOARSENESS,
    SNEEZING, TEARING, & BRTHG DFCLTY . HOWEVER, WORKERS WHO CANNOT
    ESCAPE VERY HIGH ACCIDENTAL EXPOS MAY SUFFER SEVERE PULM DMG WHICH
    (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ:CAN BE FATAL. INGEST:SWALLOWING LIQ
    SULFUR DIOXIDE WILL BURN MOUTH, ESOPHAGUS, & STOMACH DUE TO
    FREEZING EFT OF LIQ. INHAL:BRTHG SULFUR DIOXIDE GAS WILL IRRITATE
    EYES, THROAT & UPPER RESP SYS . ACUTE OVEREXP MAY RSLT IN DEATH BY
    SUFFOCATION. A SMALL PERCENTAGE OF PERS W/ASTHMA MAY SUFFER SEVERE
    ASTHMA-(ING 3)
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:REMOVE PATIENT FROM IMMED SOURCE OF EXPOS & ASSURE THAT INDIV
    IS BRTHG. IF NOT BRTHG USE ARTF RESP. GET MD.  INGEST:IF CONSCIOUS
    & ALERT, GIVE 2 OR MORE GLASSES OF WTER OR MILK TO DRINK. DO NOT
    INDUCE  VOMIT. IF VOMIT OCCURS, GIVE FLUIDS AGAIN. DO NOT GIVE
    ANYTHING BY MOUTH TO UNONC/CONVL PERS. GET MD. SKIN:WASH ALL
    AFFECTED AREAS W/PLENTY OF SOAP & WATER WHILE UNDER SAFETY SHOWER
    FOR AT (ING 7)

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

Flash Point:NOT COMBUSTIBLE
Lower Limits:NONE
Upper Limits:NONE
Extinguishing Media:NOT COMBUSTIBLE. USE APPROPRIATE EXTINGUISHING
    MEDIA FOR MATERIAL THAT IS SUPPLYING FUEL.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL PROT
    EQUIP . EVAC RESIDENTS WHO ARE DOWNWIND OF FIRE. PVNT UNAUTHORIZED
    ENTRY TO FIRE AREA. DIKE AREA TO (SUPDAT)
Unusual Fire/Explosion Hazard:KEEP FIRE-EXPOSED CONTAINERS COOL WITH
    WATER SPRAY.

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

Spill Release Procedures:PERS INVOLVED IN CLEANING UP SPILL OR STOPPING
    LEAK SHOULD WEAR GAS MASKS &/OR SCBA & IMPERVIOUS PROT CLTHG. SMALL
    LEAKS MAY BE READILY LOCATED BY SPRAYING POTNTL LEAK AREA
    W/AMMONIUM HYDROXIDE SOLN.	A DENSE, WHITE FUME WILL FORM IF
    SULFUR(ING 13)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:STORE IN A COOL, DRY PLACE IN PROPERLY
    DESIGNED PRESSURE VESSELS.
Other Precautions:AVOID BREATHING GAS. DO NOT GET IN EYES, ON SKIN OR
    ON CLOTHING.

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

Respiratory Protection:USE NIOSH/MSHA APPROVED FULL-FACE PIECE
    RESPIRATOR WITH ACID GAS CARTRIDGE. USE NIOSH/MSHA APPROVED
    POSITIVE PRESSURE SCBA FOR EMERGENCY OR OTHER CONDITIONS REQUIRING
    A HIGHER LEVEL OF PROTECTION.
Ventilation:USE LOCAL EXHAUST AS NEEDED TO MAINTAIN AIRBRONE EXPOSURE
    BELOW EXPOSURE LIMITS.
Protective Gloves:CHEMICAL RESISTANT GLOVES & BOOTS.
Eye Protection:CHEM WORK GOGG & FULL LENGTH FSHLD.
Other Protective Equipment:MAINTAIN A SINK, SAFETY SHOWER AND EYE WASH
    FOUNTAIN IN WORK AREA. HAVE OXYGEN READILY AVAILABLE. FULL PROT
    CLTHG/BOOTS.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
VAP PRESS:22.4 PSIA @ 0C. 49.1 PSIA @ 21.1C. 84.1 PSIA @ 37.3C. FIRE
    FIGHT PROC:PVNT RUNOFF & CONTAM OF WATER SOURCES. PERS WHO MAY HAVE
    BEEN EXPOSED TO CONTAM SMOKE SHOULD BE IMMED RELIEVED FROM DUTY  &
    CHECKED FOR SYMPS OF POISONING. THESE SHOULD NOT BE MISTAKEN FOR
    HEAT EXHAUSTION OR SMOKE INHAL. SEE FIRST AID PROC.

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

Boiling Pt:B.P. Text:14F,-10C
Melt/Freeze Pt:M.P/F.P Text:-104F,-76C
Vapor Pres:SUPP DATA
Vapor Density:2.26
Spec Gravity:1.36 @ 25C
Appearance and Odor:COLORLESS, COMPRESSED LIQUIFIED GAS/SUFFOCATING,
    PUNGENT ODOR

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

Stability Indicator/Materials to Avoid:YES
AS A LIQ, REACTS VIOLENTLY W/ALKALI. REACTS W/WATER TO FORM CORROSIVE
    ACID. REACTS W/CHLORATES TO FORM UNSTABLE (ING 2)
Stability Condition to Avoid:ELEVATED TEMPERATURES CAN CAUSE CONTAINERS
    TO BURST.
Hazardous Decomposition Products:NONE.

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

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH LOCAL, STATE AND
    FEDERAL REGULATIONS.

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