DAHzF| melting point ? °C |
boiling point ? °C |
DAHzF | molecular mass ? g/mol |
density ? g/mL |
| table key | sensitivity ? |
chemical formula X2Y3Z4 |
explosive velocity ? m/s |
estimated cost $?.00 /g |
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DAHzF, an acronym for diaminohydazofurazan, is an insensitive, high density, high explosive compound. Another names for this explosive is 3,3'-diamino-4,4'-hydrazofurazan. Since the first synthesis of diaminofurazans in 1968 much work has been done to prepare other oxidized versions. DAHzF was first synthesized in 1981 by the Soviets as part of this research. There are a handful of explosive diaminofurazans including DAAzF, DNAzF, ANAF, DNHzF, DAAF, and of course DAHzF itself. Of these DAHzF seems to be quite promising for a variety of military high explosive formulations. The combination of being both thermally and shock insensitive as well as having a high detonation velocity makes DAHzF a very intriguing explosive.
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Into a 1-L Erlenmeyer flask prepare a mixture of 10.6 g of DAAF, 9.77 g of zinc dust, and 200 mL of methyl alcohol. While stirring rapidly add 9.0 g of glacial acetic acid dropwise over a period of 10 minutes. Continue stirring the mixture for 1 hour, and then pour through a filter bed of Celite. The Celite bed is thoroughly washed with methyl alcohol to dissolve the DAHzF. The solvent wash is gently heated under vacuum aspiration to dryness giving crystals of pure DAHzF. Final yield of product is around 9.90 g or 100%. If DAHzF is used to prepare the explosive DAAzF there is no need to remove the methyl alcohol wash to isolate the crystals of DAHzF. The solvent solution is used as is.
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