Sulfur tetrafluoride |
Synonyms & Trade Names Tetrafluorosulfurane |
CAS No. 7783-60-0 |
RTECS No. WT4800000 |
DOT ID & Guide 2418 125 |
FormulaSF4 |
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 |
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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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