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Hfc-C 318 ; Octafluorocyclobutane, Refrigerant

China Hfc-C 318; Octafluorocyclobutane, Refrigerant, Find details about China Refrigerant Gas, Gas from Hfc-C 318; Octafluorocyclobutane, Refrigerant

Model NO.
HFC-C 318
Model NO.
HFC-C 318

Applications

In the production of semiconductor materials and devices, octafluorocyclobutane serves as a deposition gas and etchant.[2] It has also been investigated as a refrigerant in specialised applications, as a replacement for ozone depleting chlorofluorocarbon refrigerants. Exploiting its volatility and chemical inertness, octafluorocyclobutane may be found in some aerosolized foods. It is listed by the Codex Alimentarius under number 946 (E946 for EU). It is investigated as a possible replacement for sulfur hexafluoride as a dielectric gas.


Product Description
  • Model NO.: Octafluorocyclobutane
  • Grade Standard: Electron Grade
  • Trademark: Shanghai Wechem Chemical
  • Specification: 99.999
  • HS Code: 2903399090
  • Constituent: C4f8 99.999%
  • Chemical Property: Non-Flammable Gas
  • Transport Package: 47L
  • Origin: China
Names
IUPAC name 
Octafluorocyclobutane
Other names
C-318, perfluorocyclobutane
Identifiers
CAS Number
  • 115-25-3 
3D model (JSmol)
  • Interactive image
ChEBI
  • CHEBI:31007 
ChEMBL
  • ChEMBL444147 
ChemSpider
  • 13846040 
ECHA InfoCard100.003.705
EC Number204-075-2
E numberE946 (glazing agents, ...)
InChI[show]
SMILES[show]
Properties
Chemical formulaC4F8
Molar mass200.03 g/mol
Appearancecolourless gas
Density1.637 g/cm3 at −5.8 °C (liquid)
9.97 kg/m3 at −6 °C and 1 atm (gas)
8.82 kg/m3 15 °C and 1 atm (gas)
Melting point−40.1 °C (−40.2 °F; 233.1 K)
Boiling point−5.8 °C (21.6 °F; 267.3 K)
Solubility in water0.016 vol/vol (1.013 bar and 20 °C)
Viscosity109e-6 Poise (1.013 bar and 0 °C)


Hfc-C 318; Octafluorocyclobutane, Refrigerant
Hfc-C 318; Octafluorocyclobutane, Refrigerant

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