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R. Meyer J. Köhler A. Homburg Explosives

R. Meyer J. Köhler A. Homburg Explosives

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Diphenylurethane<br />

Diphenylurethane<br />

acidity; as HCl: not more than 0.005 %<br />

alkalinity, as NaOH: not more than 0.005 %<br />

Diphenylurethan; diphénylurethane<br />

empirical formula: C15H15NO2<br />

molecular weight: 241.3<br />

energy of formation: –256.0 kcal/kg = –1071.1 kJ/kg<br />

enthalpy of formation: –278.1 kcal/kg = –1163.5 kJ/kg<br />

oxygen balance: –235.4%<br />

nitrogen content: 5.81%<br />

Diphenylurethane is used as a gunpowder stabilizer and gelatinizer.<br />

Specifications<br />

snow-white powder<br />

solidification point:<br />

not less than 70 °C = 158°F<br />

melt: clear, colorless<br />

volatiles: not more than 0.1 %<br />

ashes: not more than 0.1 %<br />

insolubles in ether none<br />

chlorides, as NaCl: not more than 0.02 %<br />

reaction:<br />

acidity, n/10 NaOH/100 g:<br />

neutral<br />

not more than 0.1 cm 3<br />

Dipicrylurea<br />

Hexanitrocarbanilid; dipicrylurée<br />

pale yellow crystals<br />

empirical formula: C13H6N8O13<br />

molecular weight: 482.2<br />

oxygen balance: –53.2%<br />

nitrogen content: 23.24%<br />

melting point: 208–209 °C = 406– 408°F<br />

deflagration point: 345 °C = 655°F<br />

110

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