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Properties of substance:

hexafluorobenzene

Group of substances:

organic

Physical appearance:

colorless liquid

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

C6F6

Structural formula as text:

C6F6

Molar/atomic mass: 186.06

Melting point (°C):

5.29

Boiling point (°C):

80

Solubility (g/100 g of solvent):

organic solvents: soluble [Ref.]
water: 0.0778 (8°C) [Ref.]
water: 0.0616 (28°C) [Ref.]
water: 0.0636 (67°C) [Ref.]

Density:

1.577 (40°C, g/cm3)
1.558 (50°C, g/cm3)
1.538 (60°C, g/cm3)
1.517 (70°C, g/cm3)

Reactions:

  1. [Ref.1aster, Ref.2]
    O2AsF6 + C6F6 → C6F6AsF6 + O2

Refractive index (nD):

1.3777 (20°C)

Viscosity (mPa·s):

0.922 (20°C)
0.785 (30°C)
0.679 (40°C)
0.596 (50°C)

Surface tension (mN/m):

19.3 (40°C)
18.1 (50°C)
17 (60°C)

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

-936 (l)

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

-955.4 (g)

Standard molar entropy S0 (298.15 K, J/(mol·K)):

280.8 (g)

Molar heat capacity at constant pressure Cp (298.15 K, J/(mol·K)):

221.6 (g)

Critical temperature (°C):

242.9

Critical pressure (MPa):

3.166

Critical density (g/cm3):

0.596

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 8-104
  2. Промышленные фторорганические продукты: Справочник. - Л.: Химия, 1990. - pp. 325-329 [Russian]
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 139 [Russian]
  4. Рахимов А.И. Химия и технология фторорганических соединений. - М.: Химия, 1986. - pp. 100-101, 104-110 [Russian]
  5. Свойства органических соединений: Справочник. - Под ред. Потехина А.А. - Л.: Химия, 1984. - pp. 74-75 [Russian]
  6. Синтезы фтороорганических соединений. - М.: Химия, 1973. - pp. 87-104 [Russian]
  7. Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 509 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru