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Properties of substance:

perfluorocyclobutane

Group of substances:

organic

Physical appearance:

colorless gas

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

C4F8

Molar/atomic mass: 200.03

Melting point (°C):

-41.4

Boiling point (°C):

-5.85

Decomposition temperature (°C):

550

Solubility (g/100 g of solvent):

diethyl ether: soluble [Ref.]
water: 0.028 (10°C) [Ref.]
water: 0.027 (20°C) [Ref.]
water: 0.026 (30°C) [Ref.]
water: 0.025 (40°C) [Ref.]
water: 0.023 (80°C) [Ref.]

Density:

1.7528 (-40.1°C, g/cm3)
1.5341 (20°C, d4)

Refractive index (nD):

1.217 (25°C)

Permittivity (dielectric constant):

1.0034 (25°C)

Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

-1513 (l)

Molar enthalpy (heat) of fusion ΔfusH (kJ/mol):

2.768

Enthalpy (heat) of vaporization ΔvapH (kJ/mol):

22.31

Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

-1542.6 (g)

Critical temperature (°C):

115.22

Critical pressure (MPa):

2.778

Critical density (g/cm3):

0.616

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 6-147
  2. Mackay D., Shiu W.Y., Ma K.-C., Lee S.C. Handbook of Physical-Chemical Properties and Enviromental Fate for Organic Chemacals. - 2ed, Vol.2. - CRC Press, 2006. - pp. 1211, 1214, 1219
  3. Вредные химические вещества: Углеводороды, галогенпроизводные углеводородов. Справочник. - Л.: Химия, 1990. - pp. 299-300, 692-693 [Russian]
  4. Новое в технологии соединений фтора. - М.: Мир, 1984. - pp. 61, 63, 166-168 [Russian]
  5. Перри Дж. Справочник инженера-химика. В 2 т. - Т.1. - Л.: Химия, 1969. - pp. 69 [Russian]
  6. Промышленные фторорганические продукты: Справочник. - Л.: Химия, 1990. - pp. 187-194 [Russian]
  7. Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 278-280 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru