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Single reaction vessel process for synthesis of salts of DNP

Patent image
NSWCIHD

A batch reactor process for the synthesis of potassium 5,7-dinitro-[2,1,3]-benzoxadiazol-4-olate-3-oxide (KDNP) from 3-bromo-2,4,6-trinitroanisole (ETNA) includes adding BTNA to a reaction vessel containing potassium azide (KN3) and water (H2O). The resulting mixture is heated to 90° C. followed by cooling to room temperature and agitating the final solution. The precipitate KDNP product is recovered by filtration.

Inventors: 
Caruana, Patrick; Sleadd, Bradley; Fronabarger, John; Williams, Michael D.
Patent Number: 
Technical domain: 
Materials and Coatings
FIle Date: 
2013-05-01
Grant Date: 
2015-01-06
Grant time: 
615 days
Grant time percentile rank: 
11
Claim count percentile rank: 
6
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
US NAVY