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Properties of substance:

manganese(VII) oxide

Group of substances:

inorganic

Physical appearance:

deep-green oily liquid

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

Mn2O7

Structural formula as text:

Mn2O7

CAS No: 12057-92-0

Molar/atomic mass: 221.87

Melting point (°C):

5.9

Decomposition temperature (°C):

55

Solubility (g/100 g of solvent):

acetic anhydride: soluble [Ref.]
acetone: ignites [Ref.]
ethanol: ignites [Ref.]
water: reaction [Ref.]

Density:

2.396 (20°C, d4)

    Permittivity (dielectric constant):

    3.28 (20°C)
    3.3 (11°C)
    3.27 (30°C)
    3.25 (39°C)

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

    -726.3 (l)

    References:

    1. Bretherick's Handbook of Reactive Chemical Hazards. - 6 ed., Vol. 1. - Butterworth-Heinemann, 1999. - pp. 1770
    2. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 4-75, 6-149
    3. Zeitschrift fur anorganische und allgemeine Chemie. - 1953. - Vol. 271, No. 5-6. - pp. 293-304
    4. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 307 [Russian]
    5. Неорганическая химия. – Под ред. Третьякова Ю.Д., Т.3, Кн.1. - М.: Академия, 2007. - pp. 286-287 [Russian]
    6. Позин М.Е. Технология минеральных солей (удобрений, пестицидов, промышленных солей, окислов и кислот). - Ч.1. - Л.: Химия, 1974. - pp. 756 [Russian]
    7. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 79 [Russian]
    8. Химическая энциклопедия. - Т. 2. - М.: Советская энциклопедия, 1990. - pp. 650 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru