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R. Meyer J. Köhler A. Homburg Explosives

R. Meyer J. Köhler A. Homburg Explosives

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Tetranitromethane<br />

melting point: 296 °C = 565 °F<br />

heat of explosion (H2O liq.): 821 kcal/kg = 3433 kJ/kg<br />

Tetranitrocarbazole is insoluble in water, ether, alcohol, and carbon<br />

tetrachloride, and is readily soluble in benzene. It is not hygroscopic.<br />

It is prepared by the nitration of carbazole; preparation begins with<br />

sulfuric acid treatment until the compound becomes fully soluble in<br />

water, after which the sulfonic acid derivative is directly converted to<br />

the nitro compound by adding mixed acid without previous isolation.<br />

Tetranitromethane<br />

Tetranitromethan; tétranitrométhane; TNM<br />

colorless liquid with a pungent smell<br />

empirical formula: CN4O8<br />

molecular weight: 196.0<br />

energy of formation: +65.0 kcal/kg = +272.1 kJ/kg<br />

enthalpy of formation: +46.9 kcal/kg = +196.4 kJ/kg<br />

oxygen balance: +49.0%<br />

nitrogen content: 28.59%<br />

volume of explosion gases: 685 l/kg<br />

heat of explosion*): 526 kcal/kg = 2200 kJ/kg<br />

specific energy: 69.1 mt/kg = 677 kJ/kg<br />

density: 1.6377 g/cm 3<br />

solidification point: 13.75 °C = 56.75 °F<br />

boiling point: 126 °C = 259 °F vapor pressure<br />

Pressure Temperature<br />

millibar °C °F<br />

12 20 68<br />

57 50 122<br />

420 100 212<br />

1010 126 259 (boiling<br />

point)<br />

detonation velocity, confined:<br />

6360 m/s = 20900 ft/s at r = 1.637 g/cm 3<br />

308<br />

* The presence of small amounts of impurities may easily increase the experimental<br />

value to above 1000 kcal/kg.

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