Sulfur hexafluoride
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CAS
2551-62-4
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SF6
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RTECS
WS4900000
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Synonyms & Trade Names
Sulfur fluoride [Note: May contain highly toxic sulfur pentafluoride as an impurity.]
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DOT ID & Guide
1080 / 126
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Exposure Limits
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NIOSH REL: TWA 1000 ppm (6000 mg/m3)
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OSHA PEL: TWA 1000 ppm (6000 mg/m3)
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IDLH
N.D.
See: IDLH INDEX
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Conversion
1 ppm = 5.98 mg/m3
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Physical Description
Colorless, odorless gas. [Note: Shipped as a liquefied compressed gas. Condenses directly to a solid upon cooling.]
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MW: 146.1
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BP: Sublimes
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FRZ: -83°F (Sublimes)
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Sol(77°F): 0.003%
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VP: 21.5 atm
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IP: 19.30 eV
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RGasD: 5.11
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Fl.P: NA
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UEL: NA
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LEL: NA
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Nonflammable Gas
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Incompatibilities & Reactivities
Disilane
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Measurement Methods
NIOSH 6602
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Frostbite
Eyes: Frostbite
Wash skin: No recommendation
Remove: No recommendation
Change: No recommendation
Provide: Frostbite wash
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First Aid (See procedures)
Eye: Frostbite
Skin: Frostbite
Breathing: Respiratory support
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Respirator Recommendations
Not available.
Important additional information about respirator selection
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Exposure Routes
inhalation
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Symptoms
Asphyxia: increased breathing rate, pulse rate; slight muscle incoordination, emotional upset; lassitude (weakness, exhaustion), nausea, vomiting, convulsions; liquid: frostbite
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Target Organs
respiratory system
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See also: INTRODUCTION
See ICSC CARD: 0571 |