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Sulfur pentafluoride																				Related Pages
Synonyms & Trade Names
			Disulfur decafluoride, Sulfur decafluoride
CAS No.
			5714-22-7
	RTECS No.
			WS4480000
	DOT ID & Guide

FormulaS2F10
	Conversion
			1 ppm = 10.39 mg/m3
	IDLH
			1 ppmSee: 5714227

Exposure Limits
			NIOSH RELC 0.01 ppm (0.1 mg/m3)
					OSHA PEL TWA 0.025 ppm (0.25 mg/m3) See Appendix G
	Measurement Methods
			None available 
					
					See: NMAM or OSHA Methods
										
Physical Description
			Colorless liquid or gas (above 84°F) with an odor like sulfur dioxide.													
										
Molecular Weight254.1	
	Boiling Point84°F
	Freezing Point-134°F
	SolubilityInsoluble
	Vapor Pressure561 mmHg
	Ionization Potential?											
Specific Gravity(32°F): 2.08	
	Flash PointNA
	Upper Explosive LimitNA
	Lower Explosive LimitNA
	Relative Gas Density8.77
Noncombustible Liquid Nonflammable Gas
Incompatibilities & Reactivities
			None reported
Exposure Routes
			inhalation, ingestion, skin and/or eye contact
Symptoms
			irritation eyes, skin, respiratory system; In Animals: pulmonary edema, hemorrhage
Target Organs
			Eyes, skin, respiratory system, central nervous system
										
Personal Protection/Sanitation
			(See protection codes) **Skin:**Prevent skin contact
							**Eyes:**Prevent eye contact
							**Wash skin:**No recommendation
							**Remove:**When wet or contaminated
							**Change:**No recommendation
							**Provide:**Eyewash, Quick drench
	First Aid
			(See procedures)**Eye:**Irrigate immediately
							**Skin:**Soap wash immediately
							**Breathing:**Respiratory support
							**Swallow:**Medical attention immediately
Respirator Recommendations
			**NIOSH****Up to 0.1 ppm**: (APF = 10) Any supplied-air respirator**Up to 0.25 ppm**: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode**Up to 0.5 ppm**: (APF = 50) Any supplied-air respirator that has a tight-fitting facepiece and is operated in a continuous-flow mode(APF = 50) Any self-contained breathing apparatus with a full facepiece(APF = 50) Any supplied-air respirator with a full facepiece**Up to 1 ppm**: (APF = 1000) Any supplied-air respirator operated in a pressure-demand or other positive-pressure mode**Emergency or planned entry into unknown concentrations or IDLH conditions:** (APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus**Escape:** (APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted acid gas canisterAny appropriate escape-type, self-contained breathing apparatus
				Important additional information about respirator selection
See also
			INTRODUCTION
					
					  MEDICAL TESTS: 0217

			
							

			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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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
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