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Properties of substance:

hexahydro-1,3,5-trinitro-1,3,5-triazine



skc-file

Synonyms:

RDX
cyclonite

Group of substances:

organic

Physical appearance:

colorless crystals

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

C3H6N6O6

Structural formula as text:

(CH2NNO2)3

Molar/atomic mass: 222.126

Melting point (°C):

205

Decomposition temperature (°C):

205

Solubility (g/100 g of solvent):

acetone: 4.36 (0°C) [Ref.]
acetone: 7.3 (20°C) [Ref.]
acetone: 18 (58°C) [Ref.]
acetonitrile: very soluble [Ref.]
benzene: 0.02 (10°C) [Ref.]
benzene: 0.045 (20°C) [Ref.]
benzene: 0.301 (70°C) [Ref.]
carbon tetrachloride: 0.005 (50°C) [Ref.]
carbon tetrachloride: 0.007 (60°C) [Ref.]
carbon tetrachloride: 0.015 (70°C) [Ref.]
chloroform: 0.015 (20°C) [Ref.]
diethyl ether: slightly soluble [Ref.]
dimethylformamide: very soluble [Ref.]
ethanol: 0.04 (0°C) [Ref.]
ethanol: 0.105 (20°C) [Ref.]
ethanol: 0.89 (70°C) [Ref.]
ethyl acetate: 0.05 (10°C) [Ref.]
ethyl acetate: 0.055 (20°C) [Ref.]
ethyl acetate: 0.075 (30°C) [Ref.]
i-amyl alcohol: 0.02 (0°C) [Ref.]
i-amyl alcohol: 0.026 (20°C) [Ref.]
i-amyl alcohol: 0.32 (70°C) [Ref.]
methanol: 0.14 (0°C) [Ref.]
methanol: 0.235 (20°C) [Ref.]
methanol: 1.27 (64.5°C) [Ref.]
methyl acetate: very soluble [Ref.]
toluene: 0.018 (10°C) [Ref.]
toluene: 0.02 (20°C) [Ref.]
toluene: 0.125 (60°C) [Ref.]
water: 0.07 (20°C) [Ref.]

Numerical data:

Year of discovery: 1897
Heat of Explosion (kJ/kg): 5440
Detonation velocity (m/s): 8360


Density:

1.816 (20°C, g/cm3)

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

70.6 (s)

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

192 (g)

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

482.4 (g)

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

230.2 (g)

LD50 (mg/kg):

500 (white mice, oral)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-24, 8-104
  2. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 3-296
  3. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 196
  4. Smolin E.M., Rapoport L. s-Triazines and derivatives. - New York: Interscience Publishers Inc., 1959. - pp. 511-514
  5. Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.2. - Л.: Химия, 1976. - pp. 486-487 [Russian]
  6. Дубнов Л.В., Бахаревич Н.С., Романов А.И. Промышленные взрывчатые вещества. - 3-е изд. - М.: Недра, 1988. - pp. 223 [Russian]
  7. Орлова Е.Ю. Химия и технология бризантных взрывчатых веществ. - Л.: Химия, 1981. - pp. 227-244 [Russian]
  8. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1025, 1287 [Russian]
  9. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1134, 1205, 1271 [Russian]
  10. Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 512 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru