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Sulfur tetrafluoride

Synonyms & Trade Names
Tetrafluorosulfurane
CAS No.
7783-60-0
RTECS No.
WT4800000
DOT ID & Guide
2418 125
Formula
SF4
Conversion
1 ppm = 4.42 mg/m3
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
: C 0.1 ppm (0.4 mg/m3)
OSHA PEL
†: none
Measurement Methods

OSHA ID110
See: NMAM or OSHA Methods
Physical Description
Colorless gas with an odor like sulfur dioxide. [Note: Shipped as a liquefied compressed gas.]
MW:
108.1
BP:
-41°F
FRZ:
-185°F
Sol:
Reacts		 VP(70°F): 10.5 atm
IP:
12.63 eV
Fl.P:
NA
UEL:
NA
LEL:
NA
RGasD:
3.78
Nonflammable Gas
Incompatibilities & Reactivities
Moisture, concentrated sulfuric acid, dioxygen difluoride [Note: Readily hydrolyzed by moisture, forming hydrofluoric acid & thionyl fluoride.]
Exposure Routes
inhalation, skin and/or eye contact
Symptoms
irritation eyes, skin, mucous membrane; eye, skin burns (from SF4 releasing hydrofluoric acid on exposure to moisture); liquid: frostbite; in animals: dyspnea (breathing difficulty), lassitude (weakness, exhaustion), rhinorrhea (discharge of thin nasal mucus)
Target Organs
Eyes, skin, 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: 1456
 

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