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Properties of substance:

1,1,1-trifluoro-2,4-pentanedione

Group of substances:

organic

Physical appearance:

colorless liquid

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

C5H5F3O2

Structural formula as text:

CF3COCH2COCH3

Molar/atomic mass: 154.09

Boiling point (°C):

105-107

Density:

1.27 (20°C, d4)

Dissociation:

pKa (1) = 4.7 (25°C, water)

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

-1040.2 (l)

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

-993.3 (g)

References:

  1. Успехи химии. - 1974. - Т.43, №1. - pp. 40 [Russian]
  2. Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 8 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru