Sulfur hexafluoride
Synonyms & Trade Names
Sulfur fluoride
[Note: May contain highly toxic sulfur pentafluoride as an impurity.]
Exposure Limits
NIOSH REL
TWA 1000 ppm (6000 mg/m3)OSHA PEL
TWA 1000 ppm (6000 mg/m3)Measurement Methods
Physical Description
Colorless, odorless gas.
[Note: Shipped as a liquefied compressed gas. Condenses directly to a solid upon cooling.]
Molecular Weight
146.1
Boiling Point
Sublimes
Freezing Point
-83°F (Sublimes)
Solubility
(77°F): 0.003%
Vapor Pressure
21.5 atm
Ionization Potential
19.30 eV
Flash Point
NA
Upper Explosive Limit
NA
Lower Explosive Limit
NA
Relative Gas Density
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
Skin:Frostbite
Eyes:Frostbite
Wash skin:No recommendation
Remove:No recommendation
Change:No recommendation
Provide:Frostbite wash
First Aid
Respirator Recommendations
Not available.
See also
INTRODUCTION
ICSC CARD: 0571
Page last reviewed: October 30, 2019
Content
source: National Institute for Occupational Safety and Health