R. Meyer J. Köhler A. Homburg Explosives

Dinitrochlorobenzene
Dinitrobenzofuroxan has a somewhat more explosive power than Picric
Acid, but due to its slightly acidic properties and its relatively high
production cost it has yet to become widely-used.
Of particular interest are the potassium and barium salts, both of
which are thermally very stable and low W Initiating Explosive materials.
In the categories of impact and friction sensitivity, the potassiumdinitrobenzofuroxan
(KDNBF) falls between W Mercury Fulminate and
W Lead Azide. It has been used mainly in the USA in explosiveinitiating
compositions for both military and commercial applications
since the early 1950s.
Dinitrochlorobenzene
1,2,4-Chlordinitrobenzol; dinitrochlorbenzène
100
pale yellow crystals
empirical formula: C6H3N2O4Cl
molecular weight: 202.6
energy of formation: –13.8 kcal/kg = –57.8 kJ/kg
enthalpy of formation: –28.6 kcal/kg = –120 kJ/kg
oxygen balance: –71.1%
nitrogen content: 13.83%
density: 1.697 g/cm3 boiling point: 315 °C = 599°F
solidification point: 43 °C = 109°F (isomere mixture)
lead block test: 225 cm3 /10 g
deflagration point: evaporation without deflagration
impact sensitivity: up to 5 kp m = 50 N m no reaction
friction sensitivity: up to 36 kp = 353 N pistil load no
reaction
critical diameter of steel sleeve test: at 1 mm P no reaction
Dinitrochlorobenzene is insoluble in water, but is soluble in hot ethanol,
ether and benzene.
It is prepared by nitration of chlorobenzene, which yields a mixture of
the 2,4- and the 2,6-isomers, with melting points of 53.4 °C (127.5°F)
and 87–88 °C (190–192°F) respectively.
Dinitrochlorobenzene is not an explosive. It serves as an intermediate
in many syntheses (W Hexanitrodiphenylamine; Trinitrochlorobenzene;
Trinitroaniline; etc.).