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Properties of substance:

1,2-diiodoethane

Group of substances:

organic

Physical appearance:

yellow monoclinic crystals

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

C2H4I2

Structural formula as text:

ICH2CHI

Molar/atomic mass: 281.8621

Melting point (°C):

81-82

Boiling point (°C):

200

Solubility (g/100 g of solvent):

acetone: soluble [Ref.]
diethyl ether: soluble [Ref.]
ethanol: soluble [Ref.]

Density:

3.325 (20°C, g/cm3)

Refractive index (nD):

1.871 (20°C)

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

66.7 (g)

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

9.3 (s)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-22
  2. Свойства органических соединений: Справочник. - Под ред. Потехина А.А. - Л.: Химия, 1984. - pp. 434-435 [Russian]
  3. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 1142-1143 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru