Product ID:SULPHUR HEXAFLUORIDE
MSDS Date:06/01/2000
FSC:6830
NIIN:00-985-7283
Status Code:A
MSDS Number: CLCXL

Emergency Phone: (800)424-9300

Info Phone: 610-695-7400 / 610-695-7449

Preparer: NOT PROVIDED

Cage: 08772

Telephone: 610-695-7400 / 610-695-7449

Cage: 08772

SULFUR HEXAFLUORIDE

CAS: 2551-62-4

RTECS: WS4900000

OSHA PEL 6000 MG/M3;1000 PPM

ACGIH TLV: 5970 MG/M3;1000 PPM

LD50 LC50 Mixture:NOT PROVIDED
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHALATION: SHORT TERM: SUFFOCATION.
LONG TERM EXPOSURE: NO INFORMATION ON SIGNIFICANT ADVERSE EFFECTS.
SKIN CONTACT: SHORT TERM EXPOSURE: FROSTBITE. LONG TERM EXPOSURE:
NO INFORMATION IS AVAILABLE. E YE CONTACT: FROSTBITE. LONG TERM
EXPOSURE: NO INFORMATION IS AVAILABLE. INGESTION: SHROT TERM
EXPOSURE: FROSTBITE. LONG TERM EXPOSURE: NO INFORMATION IS
AVAILABLE.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:DIFFICULTY BREATHING. SKIN CONTACT: FROSTBITE.
EYE CONTACT: FROSTBITE. INGESTION: FROSTBITE.
Medical Cond Aggravated by Exposure:NOT PROVIDED

First Aid:INHALATION: REMOVE FROM EXPOSURE IMMEDIATELY. PERFORM
ARTIFICIAL RESPIRATION IF NEEDED. GET MEDICAL ATTENTION. SKIN:
WASH IF NEEDED. IF FROSTBITE, WARM AFFECTED AREA IN WARM WATER OR
GENTLY WRAP AFFE CTED PARTS IN BLANKETS. ALLOW CIRCULATION TO
RETURN NATURALLY. GET MEDICAL ATTENTION IMMEDIATELY. EYE: UNLIKELY
THAT EMERGENCY TREATMENT WILL BE REQUIRED. FLUSH WITH LARGE AMOUNT
OF WATER OR NORMAL SA LINE UNTIL NO EVIDENCE OF CHEMICAL REMAINS
(AT LEAST 15-20 MINUTES). GET MEDICAL ATTENTION IMMEDIATELY.
INGESTION: IT IS UNLIKELY THAT EMERGENCY TREATMENT WILL BE
REQUIRED. GET MEDICAL ATTENTION, IF N EEDED.

Flash Point:NONE
Extinguishing Media:CARBON DIOXIDE, REGULAR DRY CHEMCAL. LARGE FIRES:
USE REGULAR FOAM OR FLOOD WITH FINE WATER SPRAY.
Fire Fighting Procedures:MOVE CONTAINER FROM FIRE AREA IF YOU CAN DO IT
WITHOUT RISK. COOL CONTAINERS WITH WATER SPRAY UNTIL WELL AFTER THE
FIRE IS OUT. STAY AWAY FROM THE ENDS OF TANKS. WITHDRAW IMMEDIATELY
IN CASE OF RISING SOUND FROM VENTING SAFETY DEVICE OR ANY
DISCOLORATION OF TANK DUE TO FIRE.
Unusual Fire/Explosion Hazard:NEGLIGIBLE FIRE HAZARD. FOR TANK, RAIL
CAR OR TANK TRUCK, EVACUATION RADIUS: 800 METERS (1/2 MILE).

Spill Release Procedures:STOP LEAK IF POSSIBLE WITHOUT PERSONAL RISK.
KEEP UNNECESSARY PEOPLE AWAY. ISOLATE HAZARD AREA AND DENY ENTRY.
STAY UPWIND AND KEEP OUT OF LOW AREAS.
Neutralizing Agent:NOT RELEVANT

Handling and Storage Precautions:STORE AND HANDLE IN ACCORDANCE WITH
ALL CURRENT REGULATIONS AND STANDARDS. KEEP SEPARATED FROM
INCOMPATIBLE SUBSTANCES.
Other Precautions:NOT PROVIDED

Respiratory Protection:UNDER CONDITIONS OF HEAVY EXPOSURE, RESPIRATORY
PROTECTION MAY BE NEEDED. FOR UNKNOWN CONCENTRATIONS/ IMMEDIATELY
DANGEROUS TO LIFE OR HEALTH ANY SUPPLIED-AIR RESPIRATOR WITH FULL
FACEPIECE AND OPERAT ED IN A PRESSURE-DEMAND/ OTHER
POSITIVE-PRESSURE MODE IN COMBINATION WITH A SEPARATE ESCAPE
SUPPLY. ANY SELF-CONTAINED BREATHING APPARATUS WITH A FULL
FACEPIECE
Ventilation:BASED ON AVAILABLE INFORMATION, ADDITIONAL VENTILATION IS
NOT REQUIRED. ENSURE COMPLIANCE WITH APPLICABLE EXPOSURE LIMITS.
Protective Gloves:CHEMICAL RESISTANT.
Eye Protection:SPLASH RESISTANT SAFETY GOGGLES.
Other Protective Equipment:PROVIDE AN EMERGENCY EYE WASH FOUNTAIN AND
QUICK DRENCH SHOWER IN THE IMMEDIATE WORK AREA. WEAR APPROPRIATE
CHEMICAL RESISTANT CLOTHING.
Work Hygienic Practices:NOT PROVIDED
Supplemental Safety and Health
ABBREVIATION: N/A = NOT APPLICABLE. N/AV = NOT AVAILABLE. N/K =
UNKNOWN. N/P = NOT PROVIDED. N/R = NOT RELEVANT. N/D = NOT
DETERMINED. N/E = NOT ESTABLISHED. CNS = CENTRAL NERVOUS SYSTEM.

HCC:G3
NRC/State Lic Num:NOT RELEVANT
Boiling Pt:B.P. Text:NOT AVAILABLE
Melt/Freeze Pt:=-50.5C, -58.9F
Decomp Temp:Decomp Text:NOT PROVIDED
Vapor Pres:16548 MMHG @ 20C
Vapor Density:5.1
Spec Gravity:1.68
Solubility in Water:SLIGHT
Appearance and Odor:COLORLESS, ODORLESS GAS
Corrosion Rate:NOT PROVIDED

Stability Indicator/Materials to Avoid:YES
COMBUSTIBLE MATERIALS, METALS. SULFUR HEXAFLUORIDE: DISILANE: EXPLODES
VIOLENTLY ON CONTACT. HYDROGEN: REACTS AT 400C. METALS (HOT+
REACTIVE) INCOMPATIBLE. SODIUM: REACTS ABOVE -50.5C. SULFUR: REACTS
W ITH VAPOR AT 400C.
Stability Condition to Avoid:STABLE UNDER NORMAL TEMPERATURES AND
PRESSURE.
Hazardous Decomposition Products:HALOGENS, OXIDES OF SULFUR

Waste Disposal Methods:DISPOSE IN ACCORDANCE WITH ALL APPLICABLE
REGULATIONS.

Toxicological Information:5790 MG/KG INTRAVENOUS-RABBIT LD50. EXPOSURE
TO 80% SULFUR HEXAFLUORIDE AND 20% OXYGEN FOR 3 MINUTES PRODUCES
PERIPHERAL TINGLING AND MILD EXCITEMENT WITH SOME ALTERED HEARING.
REPEATED OR PROLONGED E XPOSURE MAY CAUSE FLUOROSIS WITH WEIGHT
LOSS, BRITTLE BONES, ANEMIA, WEAKNESS, GENERAL ILL HEALTH, STIFF
JOINTS, AND DISCOLORATION OF TEETH WHEN EXPOSURE OCCURS DURING
TOOTH FORMATION.

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.

Ecological:NOT AVAILABLE.

Transport Information:U.S. DOT 49 CFR 172.101 SHIPPING NAME-UN NUMBER:
SULFUR HEXAFLUORIDE-UN1080. U.S. DOT 49 CFR 172.101 HAZARD CLASS
OR DIVISIONS: 2.2. U.S. DOT 49 CFR 172.101 AND SUBPART E LABELING
REQUIREMENTS: NONFL AMMABLE GAS.

SARA Title III Information:CERCLA SECTION 103 (40CFR302.4): N. SARA
SECTION 302 (40 CFR 355.30): N. SARA SECTION 304 (40 CFR 355.40):
N. SARA SECTION 313 (40 CFR 372.65): N. SARA HAZARD CATEGORIES,
SARA SECTION 311/312 (40 CFR 370.21): ACUTE: Y. CHRONIC: N. FIRE:
N. REACTIVE: N. SUDDEN RELEASE: Y.
Federal Regulatory Information:TSCA INVENTORY STATUS: Y. TSCA 12 (B)
EXPORT NOTIFICATION: NOT LISTED. OSHA PROCESS SAFETY
(29CFR1910.119): N.
State Regulatory Information:CALIFORNIA PROPOSITION 65: N.