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Properties of substance:

cyclotetramethylenetetranitramine



skc-file

Synonyms:

HMX

Group of substances:

organic

Physical appearance:

colorless crystals

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

C4H8N8O8

Structural formula as text:

(CH2NNO2)4

Molar/atomic mass: 296.17

Melting point (°C):

279

Solubility (g/100 g of solvent):

acetic acid: sparingly soluble [Ref.]
acetone: 3.18 (20°C) [Ref.]
benzene: practically insoluble [Ref.]
cyclohexanone: 2.66 (20°C) [Ref.]
diethyl ether: practically insoluble [Ref.]
dimethylformamide: soluble [Ref.]
dimethylsulfoxide: 38.41 (20°C) [Ref.]
ethanol: practically insoluble [Ref.]
methanol: practically insoluble [Ref.]
water: practically insoluble [Ref.]

Numerical data:

Heat of Explosion (kJ/kg): 5668
Detonation velocity (m/s): 9124

Density:

1.96 (20°C, g/cm3)

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

187.9 (g)

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

568.8 (g)

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

275.5 (g)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-26
  2. Химическая энциклопедия. - Т. 3. - М.: Советская энциклопедия, 1992. - pp. 369 [Russian]
  3. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 406 [Russian]
  4. Энергетические конденсированные системы. - Под ред. Жукова Б.П., 2-е изд. - М.: Янус-К, 2000. - pp. 334-335 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru