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Properties of substance:

pyrimidine

Group of substances:

organic

Physical appearance:

colorless rhombic crystals

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

C4H4N2

Molar/atomic mass: 80.088

Melting point (°C):

22.5

Boiling point (°C):

123-124

Solubility (g/100 g of solvent):

diethyl ether: very soluble [Ref.]
ethanol: very soluble [Ref.]
water: very soluble [Ref.]

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

145.9 (l)

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

195.7 (g)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-25
  2. Химическая энциклопедия. - Т. 3. - М.: Советская энциклопедия, 1992. - pp. 529-530 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru