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Properties of substance:

trifluoromethane

Group of substances:

organic

Physical appearance:

colorless gas

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

CHF3

Molar/atomic mass: 70.02

Melting point (°C):

-163

Boiling point (°C):

-82.2

Solubility (g/100 g of solvent):

acetone: soluble [Ref.]
benzene: soluble [Ref.]
chloroform: difficulty soluble [Ref.]
ethanol: 1.22 (20°C) [Ref.]
water: 0.242 (0°C) [Ref.]
water: 0.161 (10°C) [Ref.]
water: 0.113 (20°C) [Ref.]
water: 0.084 (30°C) [Ref.]
water: 0.064 (40°C) [Ref.]
water: 0.05 (50°C) [Ref.]
water: 0.041 (60°C) [Ref.]
water: 0.034 (70°C) [Ref.]
water: 0.029 (80°C) [Ref.]

Density:

1.52 (-100°C, g/cm3)

Refractive index (nD):

1.215 (-73.3°C)

Vapour pressure (Torr):

15200 (20°C)

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

-695.4 (g)

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

259.7 (g)

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

51 (g)

Critical temperature (°C):

25.85

Critical pressure (MPa):

4.82

Critical density (g/cm3):

0.525

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-19
  2. Вредные химические вещества: Углеводороды, галогенпроизводные углеводородов. Справочник. - Л.: Химия, 1990. - pp. 281-282, 690-691 [Russian]
  3. Промышленные фторорганические продукты: Справочник. - Л.: Химия, 1990. - pp. 34-42 [Russian]
  4. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 1064-1065 [Russian]
  5. Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 279 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru