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Properties of substance:

dichloroacetic acid

Group of substances:

organic

Physical appearance:

colorless liquid

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

C2H2Cl2O2

Structural formula as text:

CHCl2COOH

Molar/atomic mass: 128.94

Melting point (°C):

10.8

Boiling point (°C):

194

Solubility (g/100 g of solvent):

diethyl ether: soluble [Ref.]
ethanol: soluble [Ref.]
water: 8.63 (20°C) [Ref.]

Density:

1.5773 (15°C, d15)
1.5634 (20°C, d4)

    Dissociation:

    pKa (1) = 1.25 (25°C, water)
    pKa (1) = 5.9 (25°C, dimethylsulfoxide)
    pKa (1) = 2.85 (20°C, formamide)

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

    -496.3 (l)

    LD50 (mg/kg):

    2820 (rats, oral)

    References:

    1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-21
    2. Dictionary of organic compounds. - vol.1, Abietic acid - Dypnone. - London, 1946. - pp. 731
    3. Gangolli S. The Dictionary of Substances and their Effects. - 2 ed., Vol. 3, D. - RSC, 1999. - pp. 243-244
    4. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 77-79
    5. Альберт А., Сержент Е. Константы ионизации кислот и оснований. - М.-Л.: Химия, 1964. - pp. 118 [Russian]
    6. Краткая химическая энциклопедия. - Т. 5: Т-Я. - М.: Советская энциклопедия, 1967. - pp. 729-730 [Russian]
    7. Промышленные хлорорганические продукты: Справочник. - М.: Химия, 1978. - pp. 95-97 [Russian]
    8. Реутов О.А., Курц А.Л., Бутин К.П. Органическая химия. - 2-е изд., Ч.1. - М.: Бином. Лаборатория знаний, 2005. - pp. 232 [Russian]
    9. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 1026-1027 [Russian]
    10. Справочник химика. - Т. 3. - М.-Л.: Химия, 1965. - pp. 88 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru