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Sulfur tetrafluoride |
CAS 7783-60-0 | ||
SF4 |
RTECS WT4800000 | ||
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Synonyms & Trade Names Tetrafluorosulfurane |
DOT ID & Guide 2418 125 |
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Exposure
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NIOSH REL: C 0.1 ppm (0.4 mg/m3) | ||
| OSHA PEL†: none | |||
| IDLH N.D. See: IDLH INDEX | Conversion 1 ppm = 4.42 mg/m3 | ||
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Physical Description Colorless gas with an odor like sulfur dioxide. [Note: Shipped as a liquefied compressed gas.] |
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MW: 108.1 |
BP: -41°F |
FRZ: -185°F |
Sol: Reacts |
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VP(70°F): 10.5 atm |
IP: 12.63 eV |
RGasD: 3.78 |
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Fl.P: NA |
UEL: NA |
LEL: NA |
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| Nonflammable Gas | |||
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Incompatibilities & Reactivities Moisture, concentrated sulfuric acid, dioxygen difluoride [Note: Readily hydrolyzed by moisture, forming hydrofluoric acid & thionyl fluoride.] |
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Measurement Methods OSHA ID110 See: NMAM or OSHA Methods |
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Personal Protection & Sanitation (See protection) 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 |
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Important additional information about respirator selection Respirator Recommendations Not available. |
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| 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 mucus) | |
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Target Organs
Eyes, skin, respiratory system |
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| See also: INTRODUCTION |