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Properties of substance:

HFE-134

Synonyms:

bis(difluoromethyl) ether

Group of substances:

organic

Physical appearance:

colorless gas

Empirical formula (Hill's system for organic substances):

C2H2F4O

Structural formula as text:

CHF2OCHF2

Molar/atomic mass: 118.0303

Boiling point (°C):

2

CAS №: 1691-17-4


Vapour pressure (Torr):

589.5 (0.43°C)
895.3 (10.43°C)
1307.2 (20.1°C)
1908.9 (29.58°C)

Critical temperature (°C):

147

Critical pressure (MPa):

4.16

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 3-50, 6-146
  2. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 3-52, 6-60, 6-167, 14-39
  3. Defibaugh D.R., Gillis K.A., Moldover M.R., Morrison G., & Schmidt J.W. Thermodynamic properties of CHF2-O-CHF2, bis(difluoromethyl) ether / Fluid Phase Equilibria. - 1992. - Vol. 81. - pp. 285-305 [DOI: 10.1016/0378-3812(92)85158-5 ]
  4. Bivens D.B., Minor B.H. Fluoroethers and other next generation fluids / International Journal of Refrigeration. - 1998. - Vol. 21, No. 7. - pp. 568
  5. International Journal of Thermophysics. - 1994. - Vol. 15, No. 5. - pp. 821-847 [DOI: 10.1007/bf01447097 ]
  6. Journal of Geophysical Research: Atmospheres. - 1998. - Vol. 103, No. D21. - pp. 28181–28186 [DOI: 10.1029/98jd01880 ]
  7. Патент Канады CA2,008,862 (от 30.01.1990)

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru