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1一氯甲基一4一氟一1,4二氟杂双环[2.2.2]辛烷二(四氟硼酸)盐三氟化溴
  1. N-Fluorobenzenesulfonmide (NFSI)
  2. BF3
  3. C5H7F5O
  4. CF4
  5. F2
  6. Na2FPO3
  7. SF6
  8. SF4
  9. 1-Chloromethyl-4-fluoro-1,4-diazoniabicyclo[2.2.2]octane bis(tetrafluoroborate)
  10. MORE>>
SF4
SF4
详细说明

Product: Sulphur tetrafluoride
CAS#: 7783-60-0
Risk Label:(6)toxic

SF4 Physicochemical properties:
Molecular formulaSF4
Molecular weight108.05
Boiling point-38℃
Melting point-124℃
Relative density1.95(liquid),2.35(solid);3.7(gas)
Critical temperature90.9℃
Critical pressure6342.9kPa
Vapour tension(21℃)1067kPa

Under the nomal temperature and pressure,SF4 is toxic and corrosive gas ,which smelling is similar with SO2. It can hydrolysis when met the water in the air and produce HF white mist. Do not burn or explode.It is stable at 600℃,can be absorbed by alkali liquor and change into non-toxic salt. Can be soluble in benzene.

Use
It is the most effective, high selectivity fluridizer,can be widely used in high-end LCD materials and fluoride agrochemical, medicine and its intermediates synthesis.it also can be used for electronic gas, chemical vapor deposition, surface treated, plasma dry carved and other aspects.

SFQuality standard

ItemIndex
SF4≥99.0
SF6≤0.2
O2+N2≤0.1
CO2≤0.05
CF4≤0.1
SxFy≤0.5

Packing:seamless steel gas cylinders.
Cylinder standardDOT/ 48.8 LDOT /47L40L10L4L
Valve modelCGA330 CGA330 BF


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