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Properties of substance:

1,2-dibromopropane

Group of substances:

organic

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

C3H6Br2

Structural formula as text:

CH3CHBrCH2Br

Molar/atomic mass: 201.888

Melting point (°C):

-55.2

Boiling point (°C):

140

Solubility (g/100 g of solvent):

benzene: miscible [Ref.]
chloroform: soluble [Ref.]
diethyl ether: soluble [Ref.]
ethanol: soluble [Ref.]
water: 0.2 (20°C) [Ref.]

Density:

1.9224 (20°C, d4)

Reactions:

  1. Yeild 85%. [Ref.1aster]
    CH3CHBrCH2Br + 2KOH → HC≡CCH3 + 2H2O + 2KBr
  2. [Ref.1aster]
    CH3CHBrCH2Br + 2C2H5ONa → HC≡CCH3 + 2C2H5OH + 2NaBr

Refractive index (nD):

1.5201 (20°C)

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

-113.6 (l)

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

-71.6 (g)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-24
  2. Dean J.A. Lange's handbook of chemistry. - 1999. - pp. 1.169
  3. Свойства органических соединений: Справочник. - Под ред. Потехина А.А. - Л.: Химия, 1984. - pp. 302-303 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru