六氟化硫

Sulfur hexluoride;

CAS no :2551-62-4

EINECS:219-854-2

molecular formula:SF6

molecular weight:146.06

density:6.602;1.88 (-50.8℃, liquid)

Melting point: -50.5

properties :colorless, tasteless, odorless, non-toxic inert non-combustion gas.

Slightly soluble in water, alcohol and ether, soluble in potassium hydroxide.

purpose: used in high voltage switch for arc extinguishing and large capacity transformer insulation material;It can also be used in particle accelerator and lightning arrester.It can be used as refrigerant in industry because of its chemical stability and non-corrosion to equipment.Also used in reflexes because of its high ability to stop alpha particles;It also ACTS as a reverse adsorbent to replace oxygen from mine coal.

Obtained by the direct combination of elemental fluorine and sulfur.

[note] a substance with good chemical stability, thermal stability is still very good above 500℃.Sublimation temperature -63.8℃.

[packaging and storage] cylinder

Purity : 99.999%  

Oxygen ≤1.0 ppmv

Nitrogen ≤4.0 ppmv

Carbon Dioxide ≤1.0ppmv

Carbon Monoxide ≤0.5 ppmv

Methane ≤0.5 ppmv

Water ≤2.0 ppmv

CF4 ≤1.0 ppmv

Other Halocarbons ≤2.0 ppmv

Acidity as HF ≤0.1 ppmw