Product ID:SULFUR HEXAFLUORIDE
MSDS Date:02/01/1986
FSC:6830
NIIN:00-985-7283
MSDS Number: BHFBQ

Emergency Phone: 203-794-2000

Info Phone: 203-794-2000

Cage: 36346

Telephone: 800-822-4357; 304-744-3487

Cage: 36346

SULFUR HEXAFLUORIDE

CAS: 2551-62-4

RTECS: WS4900000

Fraction By Weight: 100%

OSHA PEL 1000 PPM

ACGIH TLV: 1000 PPM; 9192

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: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.

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).

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 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.

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

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 & Reference:HIGH
Solubility in Water:NEGLIGIBLE
Appearance and Odor:COLORLESS, ODORLESS GAS AT NORMAL TEMPERATURE AND
PRESSURE
Percent Volatiles by Volume:100

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.

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.