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Properties of substance:

1,2-dichlorobenzene

Synonyms:

o-dichlorobenzene

Group of substances:

organic

Physical appearance:

colorless liquid

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

C6H4Cl2

Structural formula as text:

C6H4Cl2

Molar/atomic mass: 147.002

Melting point (°C):

-17.5

Boiling point (°C):

180-183

Solubility (g/100 g of solvent):

diethyl ether: soluble [Ref.]
diethylene glycol: 93.8 (25°C) [Ref.]
ethanol: soluble [Ref.]
ethylene glycol : 4.7 (25°C) [Ref.]
sulfolane: miscible [Ref.]
water: 0.0145 (25°C) [Ref.]
water: 0.0232 (60°C) [Ref.]
water: 0.46 (200°C, with pressure 65 bar) [Ref.]

Density:

1.3048 (20°C, d4)

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

-17.5 (l)

Molar heat capacity at constant pressure Cp (298.15 K, J/(mol·K)):

162.4 (l)

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

30.2 (g)

References:

  1. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 206
  2. Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.1. - Л.: Химия, 1976. - pp. 303,308-309 [Russian]
  3. Неотложная помощь при острых отравлениях: Справочник по токсикологии. - Под ред. Голикова С.Н. - М.: Медицина, 1977. - pp. 98 [Russian]
  4. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 426 [Russian]
  5. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 510-511 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru