Product ID:SULFUR HEXAFLUORIDE, G-80
MSDS Date:08/02/1989
FSC:6830
NIIN:00N016730
MSDS Number: BLBTK

AIRCO DIV OF THE BOC GROUP INC

575 MOUNTAIN AVE
MURRAY HILL, NJ 07974
US

Emergency Phone: 800-424-9300 (CHEMTREC)

Info Phone: 201-464-8100

Cage: HO879

AIRCO INC, AIRCO INDUSTRIAL GASES DIV.

MURRAY HILL, NJ 07974-2006 US

Telephone: 800-424-9300(CHEMTREC)

Cage: 00741

SULFUR HEXAFLUORIDE

CAS: 2551-62-4

RTECS: WS4900000

Fraction By Weight: 99%

OSHA PEL 1000 PPM

ACGIH TLV: 1000 PPM; 9192

A LEAK CAN RESULT IN FIRE, EXPLOSION, ASPHY, OR

RTECS: 9999999ZZ

STORE IN COOL,DRY,WELL-VENT AREA AWAY FROM HEAVILY

RTECS: 9999999ZZ

CYL ARE STORED TO EXCEED 130F. CYL SHOULD BE STORED

RTECS: 9999999ZZ

KNOCKED OVER. FULL & EMPTY CYL SHOULD BE SEGREGATED.

RTECS: 9999999ZZ

FULL CYL BEING STORED FOR EXCESS PERIODS OF TIME.

RTECS: 9999999ZZ

CAUSE A SLOW DECOMP TO SF*2,SF*4,S*2F*2 &

RTECS: 9999999ZZ

SOF2, SO2F2 WILL BE FORMED AS WELL AS OTHER TOXIC

RTECS: 9999999ZZ

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHAL: SULFER HEXAFLUORIDE HAS A LOW
ORDER OF TOX. IT CAN,HOWEVER ACT AS A SIMPLE ASPHY BY DISPLACING
NEC AMTS OF O*2 TO SUPPORT LIFE. EFTS OF EXPOS TO HIGH CONC ARE
HDCH, DIZ, LABORED BRTHG & EVENTUA L UNCON. MAINTAIN O*2 LEVELS
>19% AT SEA LEVEL.
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:SEE HEALTH HAZARDS
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:CONCIOUS PERS SHOULD BE ASSISTED TO UNCONTAMD AREA/INHALE
FRESH AIR. QUICK REMOVAL FROM CONTAMD AREA IS MOST IMPORTANT. UNCON
PERS SHOULD BE MOVED TO UNCONTAMD AREA/GIVEN ATRF RESP & SUPP O*2.
FURTHER TREATMENT SHOULD BE SYMPTOMATIC/SUPPORTIVE. INGEST: CALL
MD IMMED . PROMPT MD ATTEN IS MADATORY IN ALL CASES OF OVEREXP TO
SULFUR HEXAFLUORIDE. RESCUE PERS SHOULD BE EQUIPED W/NIOSH/MSHA
SCBA.

Flash Point:NONE
Lower Limits:NONE
Upper Limits:NONE
Extinguishing Media:NONFLAMMABLE. USE APPROPRIATE EXTINGUISHING MEDIA
FOR SURROUNDING FIRE.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:ELECTRICAL ARCING IN PRESENCE OF O*2 WILL
BREAK DOWN SULFUR HEXAFLUORIDE YIELDING TOXIC THIONYL FLUORIDE
COMPOUNDS.

Spill Release Procedures:EVACUTE ALL PERSONNEL FROM AFFECTED AREA. USE
APPROP PROT EQUIP. IF LEAK IS IN USER'S EQUIP, PURGE PIPING W/INERT
GAS PRIOR TO ATTEMPTING REPAIRS. IF LEAK IS IN CNTNR OR VALVE
CONTACT CHEMTREC FOR EME R ASSISTANCE OR CLOSEST AIRCO LOCATION.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:USE ONLY IN WELL-VENT AREAS.VALVE PROT
CAP MUST REMAIN IN PLACE UNLESS CNTNR IS SECURED W/VALVE OUTLET
PIPED TO USE POINT.PROT CYL FROM PHYS DAM(ING3)
Other Precautions:DO NOT DRAG,SLIDE OR ROLL CYL. USE SUITABLE HAND
TRUCK FOR CYL MOVEMENT. USE PRESS REDUCING REGULATOR WHEN
CONNECTING CYL TO LOWER PRESS (<3000 PSIG) PIPING OR SYS. DO NOT
HEAT CYL BY ANY MEANS TO INC REASE DISCHARGE RATE OF PROD (SUPP
DATA)

Respiratory Protection:NIOSH/MSHA APPRVD POS PRESS AIR LINE W/MASK OR
SCBA SHOULD BE AVIALABLE FOR EMERGENCY USE.
Ventilation:HOOD W/FORCED VENT. USE LOCAL EXHAUST TO PREVENT ACCUM
ABOVE EXPOSURE LIMITS.
Protective Gloves:PROTECTIVE GLOVES OF ANY MATERIAL.
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:SAFETY SHOES.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
HNDLG/STOR PREC: FROM CYL. USE CHECK VALVE OR TRAP IN DISCHARGE LINE TO
PREVENT HAZ BACK FLOW INTO CYL. DO NOT REFILL COMPRESSED GASS
EXCEPT BY QUALIFIED PRODUCERS OF SAME. NEVER CARRY COMPRESSED GAS
CYL OR CNTNR OF GAS IN CRYOGENIC LIQUIDFORM IN ENCLOSED SPACE SUCH
AS CAR TRUNK,VAN OR STATION WAGON.(SEE ING 2)

HCC:G3
Boiling Pt:B.P. Text:-83F,-64C
Melt/Freeze Pt:M.P/F.P Text:-59F,-51C
Vapor Pres:319.1
Vapor Density:5.13
Solubility in Water:NEGLIGIBLE
Appearance and Odor:COLORLESS & ODORLESS GASS

Stability Indicator/Materials to Avoid:YES
PRODUCT HAS BEEN REPORTED TO EXPLODE VIOLENTLY UPON CONTACT WITH
DISILANE
Stability Condition to Avoid:NONE
Hazardous Decomposition Products:SULFUR HEXAFLUORIDE IS ONLY STABLE AT
ELEVATED TEMPS(400F)IF CNTND IN ALUMINUM,STAINLESS
STEEL,COPPER,BRASSES (ING 8)

Waste Disposal Methods:DO NOT ATTEMPT TO DISPOSE OF WASTE OR UNUSED
QTYS. RETURN IN SHIPPINGH CNTNR PROPERLY LABELED W/ANY VALVE OUTLET
PLUGS OR CAPS SECURE & VALVE PROTECTION CAP IN PLACE TO AIRCO FOR
PROPER DISPOSAL.

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This information is formulated for use by elements of the Department
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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
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particular situation.