UNION CARBIDE CORP LINDE DIV -- SULFUR HEXAFLUORIDE  -- 6830-00-985-7283
<pre>=====================  Product Identification  =====================

Product ID:SULFUR HEXAFLUORIDE
MSDS Date:02/01/1986
FSC:6830
NIIN:00-985-7283
=== Responsible Party ===
Company Name:UNION CARBIDE CORP LINDE DIV
Address:39 OLD RIDGEBURY RD
Box:NA
City:DANBURY
State:CT
ZIP:06817-0001
Country:US
Info Phone Num:203-794-2000
Emergency Phone Num:203-794-2000
CAGE:36346
=== Contractor Identification ===
Company Name:HAMPTON ROADS SUPPLY UNION CARBIDE LINDE DIVISION
Address:3450 VIRGINIA BEACH BLVD
Box:12567
City:NORFOLK
State:VA
ZIP:23502-3123
Country:US
CAGE:7D711
Company Name:UNION CARBIDE CORP   LINDE DIV
Address:39 OLD RIDGEBURY RD
Box:City:DANBURY
State:CT
ZIP:06817-0001
Country:US
Phone:800-822-4357; 304-744-3487
CAGE:36346

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

Ingred Name:SULFUR HEXAFLUORIDE
CAS:2551-62-4
RTECS #:WS4900000
Fraction by Wt: 100%
OSHA PEL:1000 PPM
ACGIH TLV:1000 PPM; 9192

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

Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Health Hazards Acute and Chronic:INGST: UNLIKELY ROUTE BUT FROSTBITE OF
    THE LIPS/MOUTH MAY RESULT FROM CONTACT.  SKIN/EYE: NO HARMFUL
    EFFECTS FROM VAPOR. LIQUID MAY CAUSE FROSTBITE	       INHAL:
    ASPHYXIANT. HIGH CONCENTRATIONS M AY CUSE
    HEADACHES,DROWINESS,DIZZINESS,EXCITATION, EXCESS
    SALIVATION,VOMITING,UNCONSCIOUSNESS & POSSIBLE DEATH
Effects of Overexposure:DECOMPOSITION PRODUCTS GENERATED AT HIGH
    TEMPERATURES MAY BE IRRITATING.
Medical Cond Aggravated by Exposure:OVEREXPOSURE IS UNLIKELY TO
    AGGRAVATE EXISTING	  MEDICAL CONDITIONS.

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

First Aid:SKIN: IMMEDIATELY WARM FROSTBITE AREA W/WARM WATER(NOT TO
    EXCEED 105F).IN CASE  OF MASSIVE EXPOSURE,REMOVE CLOTHING WHILE
    SHOWERING W/WARM WTR.CALL PHYSICIAN.  EYE: IMMEDIATELY FLUSH EYES
    THOROUGHTLY  W/WARM WATER FOR 15 MINS. CALL PHYSICIANINHL: REMOVE
    TO FRESH AIR. GIVE ARTIFICIAL RESPIRATION IF NOT BREATHING. GIVE  
    OXYGEN IF BREATHING IS DIFFICULT. CALL PHYSICIAN.

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

Flash Point:NA
Lower Limits:NA
Upper Limits:NA
Extinguishing Media:SULFUR HEXAFLUORIDE CANNOT CATCH FIRE. USE MEDIA
    APPROPRIATEFOR SURROUNDING FIRE.
Fire Fighting Procedures:EVACUATE ALL PERSONNEL FROM DANGER AREA.
    IMMEDIATELY DELUGE CONTAINERS W/WATER  SPRAY FROM MAXIMUM DISTANCE
    UNTIL COOL,THEN MOVE CONTNRS AWAY FROM FIRE AREA.
Unusual Fire/Explosion Hazard:GAS CANNOT CATCH FIRE. CONTAINER MAY
    RUPTURE DUE TO HEAT OF FIRE. NO PART OF    CONTAINER SHOULD BE
    SUBJECTED TO TEMP. HIGHER THAN 125F (52C).

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

Spill Release Procedures:REMOVE ALL PERSONNEL TO SAFE DISTANCE. SHUT
    OFF   LEAK IF W/O RISK. VENTL AREA OF LEAK/MOVE LEAKING CONTNR TO
    WELL VENTL AREA. USE SELF CONTAINING    BREATHING APPARATUS IF
    NEEDED.

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

Handling and Storage Precautions:NEVER WORK ON A PRESSURIZED SYSTEM. IF
    THERE IS A LEAK CLOSE CYLINDER VALVE,BLOW DOWN SYSTEM BY	
    VENTING TO A SAFE PLACE, THEN REPAIR THE LEAK.

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

Respiratory Protection:SELECT IN ACCORDANCE WITH OSHA 29 CFR 1910.134.
    RESPIRATORS SHALL BE ACCEPTABLE TO MSHA AND NIOSH
Ventilation:LOCAL EXHAUST PREFERRED. MECHANICAL IS ACCEPTABLE
Protective Gloves:PREFERRED FOR CYLINGER HANDLING
Eye Protection:SELECT WITH OSHA 29 CFR 1910.133
Other Protective Equipment:METATARSAL SHOES FOR CYLINDER HANDLING.
    SELECT IN ACCORDANCEW/OSHA 29 CFR 1910.132 & 1910.133
Supplemental Safety and Health
NK

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

HCC:G3
Boiling Pt:B.P. Text:-82.8F
Vapor Pres:320 PSIG
Vapor Density:5.11 @ 20C
Spec Gravity:1.88 @ -50.8C
Evaporation Rate &amp; Reference:HIGH
Solubility in Water:NEGLIGIBLE
Appearance and Odor:COLORLESS, ODORLESS GAS AT NORMAL TEMPERATURE AND
    PRESSURE
Percent Volatiles by Volume:100

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

Stability Indicator/Materials to Avoid:YES
EXPLODES VIOLENTLY IN CONTACT WITH DISILANE
Stability Condition to Avoid:TEMPERATURE IN EXCESS OF 800C.
Hazardous Decomposition Products:THERMAL DECOMPOSITION MAY PRODUCE
    TOXIC FUMES OF FLUORIDES  AND SULFUR OXIDES.

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

Waste Disposal Methods:PREVENT WASTE FROM CONTAMINATING SURROUNDING
    AREA.KEEP PERSONNEL AWAY. DISCARD ANY PRODUCT,RESIDUE, DISPOSABLE 
    CONTAINERS/LINERS IN ACCEPTABLE MANNERIN COMPLIANCE WITH FEDERAL,
    STATE, & LOCAL REGULA  TIONS.

 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.