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Properties of substance:

1,2-ethanediamine

Group of substances:

organic

Physical appearance:

colorless liquid

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

C2H8N2

Structural formula as text:

H2NCH2CH2NH2

CAS No: 107-15-3

Molar/atomic mass: 60.098

Melting point (°C):

8.5

Boiling point (°C):

117

Solubility (g/100 g of solvent):

diethyl ether: sparingly soluble [Ref.]
ethanol: soluble [Ref.]
sulfolane: miscible [Ref.]
water: very soluble [Ref.]

Density:

0.8977 (20°C, g/cm3)

Index of refraction:

1.45677 (20°C)

    Dissociation:

    pKBH+ (1) = 7 (20°C, water)
    pKBH+ (2) = 10.08 (20°C, water)

    Permittivity (dielectric constant):

    12.9 (25°C)

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

    -63 (l)

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

    172.6 (l)

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

    -18 (g)

    LD50 (mg/kg):

    448 (white mice, )
    1160 (rats, oral)

    References:

    1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-23
    2. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 163
    3. Stahl P.H., Wermuth C.G. Handbook of Pharmaceutical Salts: Properties, Selection, and Use. - Wiley-VCH, 2002. - pp. 316-317
    4. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 556 [Russian]
    5. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 198 [Russian]
    6. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1264-1268 [Russian]
    7. Токсикологический вестник. - 2008. - №2. - pp. 41 [Russian]
    8. Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 497-498 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru