Smokeless powders containing nitroaliphatic compounds

Hexanitroethane was recommended as an ingredient of smokeless powder [48]. It is a good solvent of nitrocellulose and due to its high energy of explosion it could produce a high energy propellant. 

It was believed that the German Army used smokeless powder containing hexanitroethane for the long range artillery that bombarded Paris in 1915. 

There is now a trend towards the use of nitroaliphatic compounds more readily available from simple nitroparaffins. Thus Aerojet-General in Sacramento, California [49] suggested using a 50/50 mixture of bis-(2,2-dinitropropyl)-formal (I) and bis-(2,2-dinitropropyl)-acetal (IT) as a nitroplasticizer . The mixture of the two compounds is liquid. The products are obtained from nitroethane through the following sequence of reactions  

The composition of the propellant was not revealed. It is only known that the propellant contains ammonium perchlorate as an oxidizer and has a very high density. 

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