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Properties of substance:

methyl chloride

Synonyms:

chloromethane

Group of substances:

organic

Physical appearance:

colorless gas

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

CH3Cl

Structural formula as text:

CH3Cl

Molar/atomic mass: 50.49

Melting point (°C):

-96.7

Boiling point (°C):

-23.76

Decomposition temperature (°C):

1400

CAS №: 74-87-3

Solubility (g/100 g of solvent):

acetic acid: 7.9 (20°C) [Ref.]
benzene: 12.1 (20°C) [Ref.]
carbon tetrachloride: 16 (-5°C) [Ref.]
carbon tetrachloride: 12.1 (0°C) [Ref.]
carbon tetrachloride: 5.4 (20°C) [Ref.]
chloroform: 30.7 (0°C) [Ref.]
chloroform: 11.05 (20°C) [Ref.]
ethanol: 9.9 (20°C) [Ref.]
oxygen liquid: 0.00019 (-183°C) [Ref.]
pentachloroethane: 7.26 (20°C) [Ref.]
water: 0.9 (15°C) [Ref.]
water: 0.725 (20°C) [Ref.]
water: 0.652 (30°C) [Ref.]
water: 0.436 (45°C) [Ref.]
water: 0.264 (60°C) [Ref.]

Density:

1.056 (-60°C, g/cm3)
0.945 (0°C, g/cm3)
0.912 (20°C, g/cm3)

Reactions of synthesis:

  1. [Ref.1, Ref.2]
    CH4 + Cl2 → CH3Cl + HCl
    CH3Cl + Cl2 → CH2Cl2 + HCl
    CH2Cl2 + Cl2 → CHCl3 + HCl
    CHCl3 + Cl2 → CCl4 + HCl

Vapour pressure (Torr):

10 (-93°C)
400 (-38°C)
1520 (-6.4°C)
3800 (22°C)
7600 (47.3°C)

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

-81.97 (g)

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

234.3 (g)

Flash point (°C):

0

Autoignition temperature (°C):

632

Critical temperature (°C):

143.1

Critical pressure (MPa):

6.678

Critical density (g/cm3):

0.363

References:

  1. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 32-35
  2. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 7
  3. Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.1. - Л.: Химия, 1976. - pp. 191-194 [Russian]
  4. Промышленные хлорорганические продукты: Справочник. - М.: Химия, 1978. - pp. 9-17 [Russian]
  5. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 372 [Russian]
  6. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1022-1023, 1080, 1115-1118 [Russian]
  7. Справочник химика. - 2 изд., Т.1. - Л.-М.: Химия, 1966. - pp. 618, 677 [Russian]
  8. Успехи химии. - 1971. - Т.40, №3. - pp. 462-490 [Russian]
  9. Успехи химии. - 1989. - Т.58, №1. - pp. 146 [Russian]
  10. Хёрд Ч.Д. Пиролиз соединений углерода. - Л.-М.: ГОНТИ РКТП СССР, 1938. - pp. 115 [Russian]
  11. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 337 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru