Sulfur hexafluoride|CAS 2551-62-4

  • CAS NO.: 2551-62-4
  • EINECS No.: 219-854-2
  • Molecular Formula: F6S
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Product Information
  • Product Name: Sulfur hexafluoride
  • Molecular Weight: 146.06
  • Synonyms: (OC-6-11)-Sulfurfluoride; (oc-6-11)-sulfurfluoride(sf6; Elegas; Esaflon; Hexafluorure de soufre; hexafluoruredesoufre; hexafluoruredesoufre(french); OC-6-11
  • Appearance: Sulfur hexafluoride SF6 is gaseous substance under normal conditions, and it will be high-pressure liquid in steel cylinder, SF6 is colorless, odorless, nontoxic, nonflammable and noncorrosive
  • Assay: 99%
  • Specific Gravity(Air=1): 5.1
  • Packaging: Cylinder Size   DOT3AA 2265-47L/DOT3AA 2265-43L    Valve  CGA 580 / 590
Property Unit Minimum Maximum
SF6 %vol 99.999 --
O2 ppmv -- 1
N2 ppmv -- 3
CO ppmv -- 0.5
CO2 ppmv -- 1
CF4 ppmv -- 2
H2O ppmv -- 2
HF ppmv -- 0.1
THC(CH4) ppmv -- 1

Sulfur Hexafluoride, CAS 2551-62-4, is slightly soluble in water, alcohol and ether, soluble in Potassium hydroxide. Sulfur Hexafluoride, CAS 2551-62-4, has good electric insulation and extinguishing arc property and offers high selectivity without generating carbon by-products. Under the same pressure, its electric strength is 2.5 times of nitrogen and its breakdown voltage is 2.5 times of the air, thus, it is a new high-voltage electric insulation material better than the air and oil. Due to the specific feature, Sulfur Hexafluoride, CAS 2551-62-4, is widely used as breaker, high voltage transformer, high-voltage transmission line, mutual inductor. Besides, it is used as refrigerant, the cooling range of which is -45-0°C. In mining industry, CAS 2551-62-4, is a reverse adsorbent, used for oxygen replacement in mine and coal dust. With the development of science and technology, Sulfur Hexafluoride, CAS 2551-62-4, will enjoy wider application in more basic and technique areas. It should be stored in cool and ventilated warehouse, kept away from fire, heat and oxidants. Gently moved, in case of damage to the cylinder and leakage of Sulfur Hexafluoride.
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