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SULPHUR HEXAFLUORIDE
(cylinder)
ICSC: 0571
Peer-Review Status: 26.03.1998 Validated
Sulfur fluoride 
CAS #: 2551-62-4 RTECS #: WS4900000
UN #: 1080
EINECS #: 219-854-2
    Formula: F6S
Molecular mass: 146.1

TYPES OF
HAZARD /
EXPOSURE
ACUTE HAZARDS / SYMPTOMS      PREVENTION      FIRST AID / FIRE FIGHTING
FIRE Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.    In case of fire in the surroundings, use appropriate extinguishing media. 
EXPLOSION     In case of fire: keep cylinder cool by spraying with water. 
 
EXPOSURE      
Inhalation Suffocation. See Notes.  Use ventilation.  Fresh air, rest. Artificial respiration may be needed. Refer for medical attention. 
Skin ON CONTACT WITH LIQUID: FROSTBITE.  Cold-insulating gloves.  ON FROSTBITE: rinse with plenty of water, do NOT remove clothes. Refer for medical attention . 
Eyes See Skin.  Wear safety goggles or face shield.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion   Do not eat, drink, or smoke during work.   

SPILLAGE DISPOSAL
PACKAGING & LABELLING
Evacuate danger area! Ventilation. NEVER direct water jet on liquid. Personal protection: chemical protection suit including self-contained breathing apparatus.   
EC Classification
 
UN Classification
UN Hazard Class: 2.2 
GHS Classification
 

EMERGENCY RESPONSE SAFE STORAGE
Transport Emergency Card: TEC (R)-20S1280 or 20G2A.  Fireproof if in building. Cool. 

IMPORTANT DATA
Physical State; Appearance
ODOURLESS COLOURLESS COMPRESSED LIQUEFIED GAS. 

Physical dangers
The gas is heavier than air and may accumulate in lowered spaces causing a deficiency of oxygen. 

Chemical dangers
Decomposes above 500°C . This produces toxic and corrosive fumes including sulfur oxides and fluorine compounds. 

Occupational exposure limits
TLV: 1000ppm as TWA; (ACGIH 2004).
MAK: 1000 ppm, 6100 mg/m³; Peak limitation category: II(8); Pregnancy risk group: D; (DFG 2006). 

Routes of exposure
The substance can be absorbed into the body by inhalation. 

Inhalation risk
A harmful concentration of this gas in the air will be reached very quickly on loss of containment. 

Effects of short-term exposure
Rapid evaporation of the liquid may cause frostbite. 

Effects of long-term or repeated exposure
 


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Sublimation point: -64°C
Melting point: -51°C
Relative density (water = 1): 1.9
Solubility in water: none
Relative vapour density (air = 1): 5
Octanol/water partition coefficient as log Pow: 1.68  
 

NOTES
The technical product may contain impurities which alter the health effects.
High concentrations in the air cause a deficiency of oxygen with the risk of unconsciousness or death.
Check oxygen content before entering area.
There is no odour warning even when toxic concentrations are present.
Turn leaking cylinder with the leak up to prevent escape of gas in liquid state.
Elegas and Esaflon are trade names.
Card has been partly updated in October 2005.
See sections Occupational Exposure Limits, Emergency Response.
Card has been partially updated in August 2007: see Occupational Exposure Limits. 

ADDITIONAL INFORMATION
 

IPCS
International
Programme on
Chemical Safety
WHO ILO EC Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2004-2012
LEGAL NOTICE Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible for the use which might be made of this information.


    See Also:
       Toxicological Abbreviations