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Properties of substance:

1-methyl-2,4-dinitrobenzene

Synonyms:

2,4-dinitrotoluene

Group of substances:

organic

Physical appearance:

yellow needles crystals

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

C7H6N2O4

Structural formula as text:

(O2N)2C6H3CH3

Molar/atomic mass: 182.14

Melting point (°C):

70

Boiling point (°C):

300

Decomposition temperature (°C):

300

CAS №: 121-14-2

Solubility (g/100 g of solvent):

acetone: 81.9 (15°C) [Ref.]
benzene: 60.64 (15°C) [Ref.]
carbon disulphide: 2.31 (15°C) [Ref.]
carbon tetrachloride: 2.43 (15°C) [Ref.]
chloroform: 65.08 (15°C) [Ref.]
diethyl ether: 9.4 (22°C) [Ref.]
ethanol 96%: 1.92 (15°C) [Ref.]
ethanol abs.: 3.04 (15°C) [Ref.]
ethyl acetate: 57.93 (15°C) [Ref.]
methanol: 5.01 (15°C) [Ref.]
pyridine: 76.8 (15°C) [Ref.]
toluene: 45.47 (15°C) [Ref.]
water: 0.027 (22°C) [Ref.]
water: 0.03699 (50°C) [Ref.]
water: 0.2534 (100°C) [Ref.]

Density:

1.521 (15°C, g/cm3)
1.321 (71°C, g/cm3)

Dissociation:

pKBH+ (1) = -12.8 (25°C, water)
pKa (1) = 17.12 (25°C, water)

Autoignition temperature (°C):

330

Heat of combustion (kJ/mol):

3551

References:

  1. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 532
  2. Urbanski T. Chemistry and technology of explosives. - vol.1. - Warszawa, 1964. - pp. 281-290
  3. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 364
  4. Збарский В.Л., Жилин В.Ф. Толуол и его нитропроизводные. - М.: Эдиториал УРСС, 2000. - pp. 123 [Russian]
  5. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 145 [Russian]
  6. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1490 [Russian]
  7. Танабе К. Твердые кислоты и основания. - М.: Мир, 1973. - pp. 17 [Russian]
  8. Энергетические конденсированные системы. - Под ред. Жукова Б.П., 2-е изд. - М.: Янус-К, 2000. - pp. 221 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru