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Sulfur hexafluoride																				Related Pages
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 RELTWA 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.]													
										
Molecular Weight146.1	
	Boiling PointSublimes
	Freezing Point-83°F (Sublimes)
	Solubility(77°F): 0.003%
	Vapor Pressure21.5 atm
	Ionization Potential19.30 eV											
Flash PointNA
	Upper Explosive LimitNA
	Lower Explosive LimitNA
	Relative Gas Density5.11
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
					  ICSC CARD: 0571

			
							

			Page last reviewed:  October 30, 2019						Content
							source: 	National Institute for Occupational Safety and Health NIOSH Pocket Guide to Chemical Hazards
Introduction
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CAS Numbers
RTECS Numbers
Appendices
A – NIOSH Potential Occupational Carcinogens
B – Thirteen OSHA-Regulated Carcinogens
C – Supplementary Exposure Limits
D – Substances with No Established RELs
E – OSHA Respirator Requirements for Selected Chemicals
F – Miscellaneous Notes
G – 1989 Air Contaminants Update Project: Exposure Limits NOT in Effect
Type C & CE – Definitions for Type C and Type CE Respirators
Personal Protection and Sanitation Codes
First Aid Procedures Follow NIOSH Facebook
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