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Properties of substance:

dihydrazine sulfate

Group of substances:

inorganic

Physical appearance:

colorless tables crystals

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

H10N4O4S

Structural formula as text:

(N2H5)2SO4

Molar/atomic mass: 162.16

Melting point (°C):

110

Decomposition temperature (°C):

180

Solubility (g/100 g of solvent):

ammonia liquid : 10 [Ref.]
ethanol: insoluble [Ref.]
water: 202.2 (25°C) [Ref.]
water: 554.45 (60°C) [Ref.]

Hygroscopic:

yes

Density:

1.75 (25°C, g/cm3)

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

-955.6 (s)

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1030
  2. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 332 [Russian]
  3. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 14-15 [Russian]
  4. Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 548 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru