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Properties of substance:

methylhydrazine

Group of substances:

organic

Physical appearance:

liquid

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

CH6N2

Structural formula as text:

CH3NHNH2

CAS No: 60-34-4

Molar/atomic mass: 46.07

Melting point (°C):

-52

Boiling point (°C):

87.5

Density:

0.871 (20°C, g/cm3)

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

    54.2 (l)

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

    180 (l)

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

    165.9 (l)

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

    134.9 (l)

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

    94.7 (g)

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

    187 (g)

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

    278.8 (g)

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

    71.1 (g)

    Enthalpy (heat) of fusion ΔfusH (kJ/mol)

    10,41 (s) [Ref.]

    LD50 (mg/kg):

    12 (rabbits, intravenous)
    95 (rabbits, onto the skin)
    33 (rats, oral)
    17 (rats, intravenous)
    35 (rats, subcutaneous)
    183 (rats, onto the skin)
    21 (rats, intraperitoneal)
    48 (guinea pig, onto the skin)
    33 (mice, oral)
    25 (mice, subcutaneous)
    15 (mice, intraperitoneal)
    12 (dogs, intravenous)
    22 (hamster, oral)
    239 (hamster, onto the skin)
    21 (hamster, intraperitoneal)

    Critical temperature (°C):

    294

    References:

    1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-20
    2. Dictionary of organic compounds. - Vol. 2, Eccaine - Myrtillin chloride. - London, 1946. - pp. 735
    3. Military medical science letters - 2012. - Vol. 81, No. 2. - pp. 64-65
    4. The Merck Index 11th ed., Merck & Company, 1989. - pp. 957
    5. Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.3. - Л.: Химия, 1976. - pp. 95-97 [Russian]
    6. Иоффе Б.В., Кузнецов Б.А., Потехин А.А. Химия органических производных гидразина. - Л.: Химия, 1979. - pp. 50 [Russian]
    7. Химмотология ракетных и реактивных топлив. - Под ред. Браткова А.А. - М.: Химия, 1987. - pp. 99-105 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru