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Properties of substance:

tetrafluoromethane



skc-file

Synonyms:

R14
carbon tetrafluoride

Group of substances:

organic

Physical appearance:

colorless gas

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

CF4

Structural formula as text:

CF4

Molar/atomic mass: 88.005

Melting point (°C):

-183.7

Boiling point (°C):

-129

Decomposition temperature (°C):

910

CAS №: 75-73-0

Solubility (g/100 g of solvent):

benzene: soluble [Ref.]
chloroform: soluble [Ref.]
water: 0.001858 (25°C) [Ref.]

Density:

1.96 (-184°C, g/cm3)
1.629 (-132.5°C, g/cm3)

Reactions of synthesis:

  1. [Ref.1aster]
    C + 2F2 → CF4

Refractive index (nD):

1.151 (-73.3°C)

Speed sound (m/s):

1034 (-173°C, aggregative state - liquid)
902 (-153°C, aggregative state - liquid)
763 (-133°C, aggregative state - liquid)
627 (-113°C, aggregative state - liquid)
494 (-93°C, aggregative state - liquid)
354 (-73°C, aggregative state - liquid)
178.2 (22°C, aggregative state - gas)

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

-933 (g)

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

261 (g)

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

63 (g)

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

0.695

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

12.3

Critical temperature (°C):

-45.65

Critical pressure (MPa):

3.745

Critical density (g/cm3):

0.625

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 3-500
  2. Inorganic Syntheses. - Vol. 1. - New York and London, 1939. - pp. 34-35
  3. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 18
  4. Вредные химические вещества: Углеводороды, галогенпроизводные углеводородов. Справочник. - Л.: Химия, 1990. - pp. 281-282, 690-691 [Russian]
  5. Морачевский А.Г., Сладков И.Б. Физико-химические свойства молекулярных неорганических соединений. - Л.: Химия, 1987. - pp. 133 [Russian]
  6. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 530 [Russian]
  7. Промышленные фторорганические продукты: Справочник. - Л.: Химия, 1990. - pp. 14-23 [Russian]
  8. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 369 [Russian]
  9. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 1020-1021 [Russian]
  10. Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 279 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru