Main page (Russian) Search in database (English)
Sitemap (Russian)

New version database

Properties of substance:

CL

Synonyms:

chlorine

Group of substances:

inorganic

Physical appearance:

gas

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

Cl2

Structural formula as text:

Cl2

CAS No: 7782-50-5

Molar/atomic mass: 70.91

Melting point (°C):

-101.03

Boiling point (°C):

-34.1

Solubility (g/100 g of solvent):

benzene: 32.8 (10°C) [Ref.]
benzene: 22.7 (20°C) [Ref.]
boron trichloride: soluble [Ref.]
carbon tetrachloride: 31.4 (0°C) [Ref.]
carbon tetrachloride: 17.61 (19°C) [Ref.]
carbon tetrachloride: 11 (40°C) [Ref.]
chloroform: 8.28 (25°C) [Ref.]
hydrogen chloride liquid anhydrous: very soluble [Ref.]
methylene chloride: 10.44 (25°C) [Ref.]
perfluoro-n-heptane: 3.585 (0°C) [Ref.]
perfluoro-n-heptane: 2.2608 (19.8°C) [Ref.]
perfluoro-n-heptane: 2.146 (25°C) [Ref.]
potassium chloride fused: 0.005503 (820°C) [Ref.]
water: 1.48 (0°C) [Ref.]
water: 0.96 (20°C) [Ref.]
water: 0.65 (25°C) [Ref.]
water: 0.46 (40°C) [Ref.]
water: 0.38 (60°C) [Ref.]
water: 0.22 (80°C) [Ref.]
water: 0.13 (90°C) [Ref.]

Numerical data:

Year of discovery: 1774

Density:

1.9 (-102°C, d4)
1.6552 (-70°C, d4)
0.00321 (20°C, g/cm3)

Vapour pressure (Torr):

1 (-118°C)
10 (-101.5°C)
100 (-71.9°C)

    Electrode potential:

    Cl2 + 2e- → 2Cl-, E = 0.58 V (acetonitrile, 25°C)
    Cl2 + 2e- → 2Cl-, E = 0.99 V (formic acid, 25°C)
    Cl2 + 2e- → 2Cl-, E = 1.048 V (ethanol, 25°C)
    Cl2 + 2e- → 2Cl-, E = 1.116 V (methanol, 25°C)
    Cl2 + 2e- → 2Cl-, E = 1.34 V (water, 25°C)
    Cl2 + 2e- → 2Cl-, E = 2.03 V (ammonia liquid , -50°C)

    Viscosity (mPa·s):

    0.00133 (20°C)
    0.00188 (150°C)

    Speed sound (m/s):

    206 (0°C, aggregative state - gas)

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

    0 (g)

    Standard molar Gibbs energy of formation ΔfG0 (298.15 K, kJ/mol):

    0 (g)

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

    222.9 (g)

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

    34.94 (g)

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

    6.406

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

    20.41

    Critical temperature (°C):

    144

    Critical pressure (MPa):

    7.71

    Critical density (g/cm3):

    0.573

    References:

    1. Hoenig S.L. Compendium of chemical warfare agents. - 2007. - pp. 57-60
    2. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 396-399
    3. Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.3. - Л.: Химия, 1976. - pp. 20-23 [Russian]
    4. Герасимов Я.И., Древинг В.П., Еремин Е.Н.. Киселев А.В., Лебедев В.П., Панченков Г.М., Шлыгин А.И. Курс физической химии. - Т.2. - М.: Химия, 1973. - pp. 528 [Russian]
    5. Гурвич Я.А. Справочник молодого аппаратчика-химика. - М.: Химия, 1991. - pp. 47, 52, 229 [Russian]
    6. Промышленные хлорорганические продукты: Справочник. - М.: Химия, 1978. - pp. 634-636 [Russian]
    7. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 109 [Russian]
    8. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 617-621 [Russian]
    9. Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 280-281 [Russian]
    10. Якименко Л.М. Производство хлора, каустической соды и неорганических хлорпродуктов. - М.: Химия, 1974. - pp. 309-365 [Russian]
    11. Якименко Л.М., Пасманик М.И. Справочник по производству хлора, каустической соды и соновных хлорпродуктов. - 2 изд. - М.: Химия, 1976. - pp. 152-189 [Russian]
      What information do you need?




      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru