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Properties of substance:

ammonium bromide


Physical appearance:

colorless cubic crystals

Empirical formula (Hill's system):

H4BrN

Structural formula:

NH4Br

Molar/atomic mass: 97.94

Sublimation point (°C):

394

Solubility (g/100 g of solvent):

liquid ammonia: 90.75 (-33.9°C)
liquid ammonia: 137.9 (0°C)
liquid ammonia: 237.9 (25°C)
acetone: soluble
benzonitrile: insoluble
water: 59.5 (0°C)
water: 66.6 (10°C)
water: 74.2 (20°C)
water: 81.8 (30°C)
water: 89.7 (40°C)
water: 97.6 (50°C)
water: 104.9 (60°C)
water: 119.3 (80°C)
water: 134.7 (100°C)
hydrazine: reaction 110 (20°C)
sulfur dioxide: 0.059 (0°C)
sulfur dioxide: 0.052 (25°C)
diethyl ether: 0.123 (15°C)
methanol: 10.62 (0°C)
methanol: 12.33 (20°C)
methanol: 14.07 (40°C)
methyl acetate: insoluble
propanol: 1.18 (25°C)
ethanol: 3.06 (0°C)
ethanol: 3.22 (19°C)
ethanol: 3.36 (20°C)
ethanol: 4.26 (40°C)
ethanol: 10.5 (78°C)
ethyl acetate: insoluble

Density:

2.4 (20°C, g/cm3)

Vapour pressure (Torr):

100 (320°C)

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

    -270.1 (s)

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

    -174.7 (s)

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

    112.8 (s)

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

    88.7 (s)

    LD50 (mg/kg):

    2700 (rats, oral)
    559 (mice, intraperitoneal)
    2860 (mice, oral)

    References:

    1. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 230
    2. Milne G.W.A. Gardner's Commercially Important Chemicals. - Wiley-Interscience, 2005. - pp. 32
    3. Perry D.L. Handbook of Inorganic Compounds. - 2nd ed. - CRC Press, 2011. - pp. 18
    4. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1050-1054
    5. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 53
    6. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 213, 742
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru