Product ID:SULFUR HEXAFLUORIDE
MSDS Date:06/01/1990
FSC:6830
NIIN:00-817-2342
MSDS Number: BTJBZ

Emergency Phone: 215-687-5253

Info Phone: 215-687-5253

Cage: AIRGA

Telephone: 215-687-5253

Cage: AIRGA

SULFUR HEXAFLUORIDE

CAS: 2551-62-4

RTECS: WS4900000

Fraction By Weight: 100% %

OSHA PEL 1000 PPM

ACGIH TLV: 1000 PPM; 9394

LD50 LC50 Mixture:TLV = 1000 PPM
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:SULFUR HEXAFLUORIDE IS NONTOXIC, BUT
THE LIBERATION OF A LARGE AMOUNT IN A CONFINED AREA COULD DISPLACE
THE AMOUNT OF OXYGEN IN AIR NECESSARY TO SUPPORT LIFE.
Explanation of Carcinogenicity:PRODUCT CONTAINS NO INGREDIENTS
CURRENTLY CLASSIFIED AS CARCINOGENIC BY NTP, IARC OR OSHA.
Effects of Overexposure:EFFECTS OF EXPOSURE TO HIGH CONCENTRATIONS SO
AS TO DISPLACE THE OXYGEN IN AIR NECESSARY FOR LIFE ARE HEADACHE,
DIZZINESS, LABORED BREATHING AND EVENTUAL UNCONSCIOUSNESS AND
DEATH.
Medical Cond Aggravated by Exposure:PERSONS IN ILL HEALTH WHERE SUCH
ILLNESS WOULD BE AGGRAVATED BY EXPOSURE TO SULFUR HEXAFLUORIDE
SHOULD NOT BE ALLOWED TO WORK WITH OR HANDLE THESE PRODUCTS.

First Aid:INHALATION: CONSCIOUS PERSONS SHOULD BE ASSISTED TO AN
UNCONTAMINATED AREA AND INHALE FRESH AIR. QUICK REMOVAL FROM THE
CONTAMINATED AREA IS MOST IMPORTANT. UNCONSCIOUS PERSONS SHOULD BE
REMOVED, GIVE N MOUTH-TO-MOUTH RESUSCITATION AND SUPPLEMENTAL
OXYGEN. FURTHER TREATMENT SHOULD BE SYMPTOMATIC AND SUPPORTIVE.

Flash Point:NONFLAMMMABLE
Lower Limits:NOT GIVEN
Upper Limits:NOT GIVEN
Extinguishing Media:NONFLAMMABLE. USE MEDIA SUITABLE FOR SURROUNDING
FIRE.
Fire Fighting Procedures:IF CYLINDERS ARE INVOLVED IN A FIRE, SAFELY
RELOCATE OR KEEP COOL WITH WATER SPRAY.
Unusual Fire/Explosion Hazard:NONE SPECIFIED BY MANUFACTURER.

Spill Release Procedures:EVACUATE ALL PERSONNEL FROM AFFECTED AREA. USE
APPROPRIATE PROTECTIVE EQUIPMENT. IF LEAK IS IN USER'S EQUIPEMNT,
BE CERTAIN TO PURGE PIPING WITH AN INERT GAS PRIOR TO ATTEMPTING
REPAIRS. IF LEAK IS IN CONTAINER OR VALVE, CONTACT SUPPLIER.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:PROTECT CYLINDERS FROM PHYSICAL
DAMAGE. STORE IN COOL, DRY, WELL-VENTILATED AREA AWAY FROM HEAVILY
TRAFFICKED AREAS AND EMERGENCY EXITS.
Other Precautions:DO NOT ALLOW TEMPERATURE WHERE CYLINDERS ARE STORE TO
EXCEED 130F. CYLINDERS SHOULD BE STORED UPRIGHT AND FIRMLY SECURED
TO PREVENT FALLING OR BEING KNOCKED OVER. FULL AND EMPTY CYLINDERS
SHOULD BE SE GREGATED. USE A FIRST IN-FIRST OUT.

Respiratory Protection:POSITIVE PRESSURE AIR LINE WITH MASK OR
SELF-CONTAINED BREATHING APPARATUS SHOULD BE AVAILABLE FOR
EMERGENCY USE.
Ventilation:HOOD WITH FORCED VENTILATION. LOCAL EXHAUST TO PREVENT
ACCUMULATION ABOVE THE TWA.
Protective Gloves:ANY MATERIAL
Eye Protection:SAFETY GOGGLES OR GLASSES
Other Protective Equipment:SAFETY SHOES
Work Hygienic Practices:WASH WITH SOAP AND WATER AFTER HANDLING PRODUCT
AND BEFORE EATING DRINKING OR SMOKING.
Supplemental Safety and Health
ELECTRICAL ARCING IN THE PRESENCE OF OXYGEN WILL BREAK DOWN SULFUR
HEXAFLUORIDE YIELDING TOXIC THIONYL FLUORIDE COMPOUNDS. VALVE
PROTECTION CAPS MUST REMAIN IN PLACE UNLESS CONTAINER IS SECURED
WITH V ALVE OUTLET PIPED TO USE POINT. DO NOT DRAG, SLIDE OR ROLL
CYLINDERS. USE A SUITABLE HANDTRUCK FOR CYLINDER MOVEMENT.

HCC:G3
Boiling Pt:B.P. Text:-83F,-64C
Melt/Freeze Pt:M.P/F.P Text:-59F,-51C
Vapor Pres:319 PSIA
Vapor Density:< 1
Spec Gravity:NOT GIVEN
Evaporation Rate & Reference:N/A GAS
Solubility in Water:VERY SLIGHTLY
Appearance and Odor:COLORLESS, ODORLESS GAS
Percent Volatiles by Volume:100 %

Stability Indicator/Materials to Avoid:YES
METALS OTHER THAN ALUMINUM, STAINLESS STEEL, COPPER AND BRASSES OR
SILVER CAUSE SLOW DECOMPOSITION, DISILANE.
Stability Condition to Avoid:STABLE ONLY AT ELEVATED TEMPERATURES
(>400F) IF CONTAINED IN ALUMINUM, STAINLESS STEEL, COPPER AND
BRASSES OR SILVER.
Hazardous Decomposition Products:SF2, S2F2, SF4, S2F10, SOF2, S02F2

Waste Disposal Methods:DO NOT ATTEMPT TO DISPOSE OF WASTE OR LARGE
QUANTITIES. RETURN IN THE SHIPPING CONTAINER PROPERLY LABELED WITH
ANY VALVE OUTLET PLUGS OR CAPS SECURED AND VALVE PROTECTION CAP IN
PLACE TO YOUR SUPPLIER .

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.