Study on HN 3 production for all gas-phase iodine laser

Reactive Force Field for Liquid Hydrazoic Acid with Applications to Detonation Chemistry

“…Hydrazoic acid, the simplest covalent azide-based material, is used as a source for imine radicals in organic synthesis 1 and serves as a reactant in gas-phase iodine lasers. 2 The limited use of HN 3 in organic synthesis is attributed to its highly unstable and explosive nature at room temperature. 3 Nevertheless, it was demonstrated that HN 3 can be desensitized sufficiently in aqueous solutions so as to be safe to handle while still considered to be highly explosive.…”

“…Hydrazoic acid, the simplest covalent azide-based material, is used as a source for imine radicals in organic synthesis and serves as a reactant in gas-phase iodine lasers . The limited use of HN 3 in organic synthesis is attributed to its highly unstable and explosive nature at room temperature .…”

Experimental study on supersonic all gas-phase iodine laser driven by NF3/D2/DCl/CF3I combustion

“…Using oleic acid instead of stearic acid HN 3 production efficiency has been greatly improved [25]. If the problem of efficient and safe storage and use of HN 3 is solved, the AGIL based on HN 3 -Cl reaction will be rapidly developed.…”

“…All reagent flow rates were calculated with sonic orifices and the total throat area of HN 3 injectors was used for HN 3 flow rate. HN 3 was synthesized by the reaction of NaN 3 with oleic acid (C 17 H 33 COOH) [25] and diluted with He to desired pressure (keeping the partial pressure of HN 3 <150torr).…”

Detection of 1H-Triphosphirene (c-HP3) and 2-Triphosphenylidene (HP3): The Isovalent Counterparts of 1H-Triazirine (c-HN3) and Hydrazoic Acid (HN3)

“…Since the first report by Curtius in 1890, , hydrazoic acid (HN 3 , 1 , Figure ), the simplest covalent azide, has received extensive attention from the synthetic (in)­organic, , combustion chemistry, , physical chemistry, , and theoretical chemistry communities due to its high detonation energy and potential application of liquid energy density materials. , Photodissociation experiments of hydrazoic acid at wavelengths shorter than 220 nm found that the cyclic isomer1 H -triazirine ( c -HN 3 , 2 , Figure )as a potential reaction intermediate to the cyclic -trinitrogen ( c -N 3 ) radical. , This molecule, which has been inferred as a transient radical in the reaction between nitrous acid (HNO 2 ) and protonated hydrazine (N 2 H 5 + ), , represents a benchmark of a strained cyclic compound with a ring strain energy of 198 kJ mol –1 . Theoretical computations predicted that 1 H -triazirine ( c -HN 3 , 2 ) is kinetically stable but thermodynamically less favorable by 158 kJ mol –1 with respect to hydrazoic acid (HN 3 , 1 ).…”