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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
Formula
SF6
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
Fl.P:
NA
UEL:
NA
LEL:
NA
RGasD:
5.11
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
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
Respirator Recommendations

Not available.

Important additional information about respirator selection

See also: INTRODUCTION   See ICSC CARD: 0571
 

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