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Properties of substance:

2,5-piperazinedione

Group of substances:

organic

Physical appearance:

plate-like crystals

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

C4H6N2O2

Molar/atomic mass: 114.1

Melting point (°C):

311-312

Sublimation point (°C):

260

Decomposition temperature (°C):

311-312

CAS №: 106-57-0

Solubility (g/100 g of solvent):

ethanol: sparingly soluble (78°C) [Ref.]
water: 1.406 (20°C) [Ref.]
water: 2.001 (29.8°C) [Ref.]

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

-446.5 (s)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-25
  2. Dictionary of organic compounds. - vol.1, Abietic acid - Dypnone. - London, 1946. - pp. 878
  3. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 92
  4. Свойства органических соединений: Справочник. - Под ред. Потехина А.А. - Л.: Химия, 1984. - pp. 280-281 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru