Sulfur hexafluoride |
Synonyms & Trade Names Sulfur fluoride [Note: May contain highly toxic sulfur pentafluoride as an impurity.] |
CAS No. 2551-62-4 |
RTECS No. WS4900000 |
DOT ID & Guide 1080 126 |
FormulaSF6 |
Conversion 1 ppm = 5.98 mg/m3 |
IDLH N.D.
See: IDLH INDEX |
Exposure Limits NIOSH REL: TWA 1000 ppm (6000 mg/m3)
OSHA PEL: TWA 1000 ppm (6000 mg/m3) |
Measurement Methods
NIOSH 6602
See: NMAM or OSHA Methods |
Physical Description Colorless, odorless gas. [Note: Shipped as a liquefied compressed gas. Condenses directly to a solid upon cooling.] |
MW: 146.1 |
BP: Sublimes |
FRZ: -83°F (Sublimes) |
Sol(77°F): 0.003% |
VP: 21.5 atm |
IP: 19.30 eV |
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Fl.P: NA |
UEL: NA |
LEL: NA |
RGasD: 5.11 |
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| Nonflammable Gas |
Incompatibilities & Reactivities Disilane |
Exposure Routes inhalation |
Symptoms asphyxia: increased breath rate, pulse rate; slight muscle incoordination, emotional upset; lassitude (weakness, exhaustion), nausea, vomiting, convulsions; liquid: frostbite |
Target Organs respiratory system |
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Personal Protection/Sanitation (See protection codes)
Skin: Frostbite
Eyes: Frostbite
Wash skin: No recommendation
Remove: No recommendation
Change: No recommendation
Provide: Frostbite wash |
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 |
| See also: INTRODUCTION See ICSC CARD: 0571
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