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CAS No 7783-60-0 , tetrafluoro-λ

  • Name: tetrafluoro-λ
  • Synonyms: 4-sulfane; EINECS 232-013-4; Sulfur fluoride; Tetrafluorosulfurane; (T-4)-; Sulfur fluoride (SF4);tetrafluoro-λ HSDB 6339; 7783-60-0;Sulphur tetrafluoride;
  • CAS Registry Number:
  • Transport: UN 2418
  • Melting Point: -120.5 ºC
  • Boiling Point: 4.84 ºC
  • Density: 1.56 g/cm3
  • Refractive index: 1.229
  • Safety Statements: R14;R26;R34;R37
  • Hazard Symbols: C: Corrosive;T+: Very toxic;
  • EINECS: 232-013-4
  • Molecular Weight: 108.058613
  • InchiKey: QHMQWEPBXSHHLH-UHFFFAOYSA-N
  • InChI: InChI=1S/F4S/c1-5(2,3)4
  • Risk Statements: S26;S36/37/39;S38;S45
  • Molecular Formula: F4S
  • Molecular Structure:CAS No:7783-60-0 tetrafluoro-λ
References of tetrafluoro-λ
Title: Sulfur Tetrafluoride
CAS Registry Number: 7783-60-0
Molecular Formula: F4S
Molecular Weight: 108.06
Percent Composition: F 70.33%, S 29.67%
Line Formula: SF4
Literature References: First prepd from cobalt trifluoride and elemental sulfur: Fischer, Jaenckner, Angew. Chem. 42, 810 (1929); Kwasnik in Handbook of Preparative Inorganic Chemistry vol. 1, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1963) pp 168-169. Best prepared from SCl2 and NaF suspended in acetonitrile; also from sulfur, chlorine and sodium fluoride: Tullock et al., J. Am. Chem. Soc. 82, 539 (1960); Arth, Fried, US 3046094 (1962 to Merck & Co.); Fawcett, Tullock, Inorg. Synth. 7, 119 (1963). Reviews of prepn and chemistry: Smith, Angew. Chem. Int. Ed. 1, 467-475 (1962); Kemmitt, Sharp, Adv. Fluorine Chem. 4, 220-222 (1965); Martin, Ann. N.Y. Acad. Sci. 145, 161-168 (1967).
Properties: Colorless gas. Thermostable to 600°. mp -121.0°. bp -38°. d (liq; -78°) 1.95. d (solid; -183°) 2.349. Freely sol in benzene. Violent reaction with water. Hydrofluoric acid released on exposure to moisture. Dec by concd H2SO4. Attacks glass but not quartz or mercury.
Melting point: mp -121.0°
Boiling point: bp -38°
Density: d (liq; -78°) 1.95; d (solid; -183°) 2.349
CAUTION: Potential symptoms of overexposure are irritation of eyes, mucous membranes; direct contact with liquid may cause frostbite; eye and skin burns from released hydrofluoric acid. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 290.
Use: Selective fluorinating agent.