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Properties of substance:

CG

Synonyms:

carbonyl chloride
carbon oxychloride
phosgene

Group of substances:

organic

Physical appearance:

colorless gas

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

CCl2O

Structural formula as text:

COCl2

Molar/atomic mass: 98.91

Melting point (°C):

-118

Boiling point (°C):

7.56

Decomposition temperature (°C):

800

Solubility (g/100 g of solvent):

acetic acid: soluble [Ref.]
benzene: 99.31 (20.21°C) [Ref.]
carbon tetrachloride: 27.67 (20.21°C) [Ref.]
diethyl ether: very soluble [Ref.]
ethyl acetate: 98.54 (20.21°C) [Ref.]
monochlorbenzene: 442.1 (12.3°C) [Ref.]
monochlorbenzene: 204.3 (16.6°C) [Ref.]
monochlorbenzene: 99.9 (24.2°C) [Ref.]
nitrobenzene: 106.4 (16.8°C) [Ref.]
toluene: 244.7 (17°C) [Ref.]
toluene: 124.2 (23.5°C) [Ref.]
toluene: 79.38 (30.5°C) [Ref.]
water: 0.9 (20°C) [Ref.]
xylene: 217.9 (16.9°C) [Ref.]

Numerical data:

Year of discovery: 1811
LCt50 (mg·min/l): 1.8 (mouse, exposure time 10 min)

Density:

1.4203 (0°C, g/cm3)
1.381 (20°C, g/cm3)

Reactions:

  1. Yeild 65%. [Ref.1]
    C6H5CH=CH2 + COCl2 → C6H5CHClCH2COCl

Vapour pressure (Torr):

1178 (20°C)

Dipole moment (D):

1.17 (20°C)

Surface tension (mN/m):

34.6 (0°C)

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

-218 (g)

Standard molar entropy S0 (298.15 K, J/(mol·K)):

283.7 (g)

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

97.7 (g)

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

-244.3 (l)

Standard molar entropy S0 (298.15 K, J/(mol·K)):

197.1 (l)

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

101.3 (l)

Molar enthalpy (heat) of fusion ΔfusH (kJ/mol):

5.74

Enthalpy (heat) of vaporization ΔvapH (kJ/mol):

24.39

Critical temperature (°C):

182.3

Critical pressure (MPa):

5.6

References:

  1. Chemical Reviews. - 1973. - Vol. 73, No. 1. - pp. 75-91
  2. Ryan T.A., Ryan C., Seddon E.A., Seddon K.R. Phosgene and Related Carbonyl Halides. - Elsevier, Academic Press, 1996
  3. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 237-238
  4. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 8-9
  5. Senet J.-P. The recent advance in phosgene chemistry. - Vol. 1. - Groupe SNPE, 1997
  6. Александров В.Н., Емельянов В.И. Отравляющие вещества. - 2-е изд., под ред. Сокольского Г.А. - М.: Военное издательство, 1990. - pp. 178-186 [Russian]
  7. Военная токсикология, радиобиология и медицинская защита. - Под ред. Куценко С.А. - СПб.: Фолиант, 2004. - pp. 134 [Russian]
  8. Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.3. - Л.: Химия, 1976. - pp. 256-259 [Russian]
  9. Гурвич Я.А. Справочник молодого аппаратчика-химика. - М.: Химия, 1991. - pp. 229 [Russian]
  10. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 514 [Russian]
  11. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1053-1058 [Russian]
  12. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 1060-1061 [Russian]
  13. Стройков Ю.Н. Клиника. диагностика и лечение поражений отравляющими веществами. - М.: Медицина, 1978. - pp. 121-126 [Russian]
  14. Хёрд Ч.Д. Пиролиз соединений углерода. - Л.-М.: ГОНТИ РКТП СССР, 1938. - pp. 560 [Russian]
  15. Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 123 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru