TNT mixtures: 0388, 0389
|Jmol-3D images||Image 1|
|Molar mass||450.23 g/mol|
|Appearance||Yellow crystalline powder|
|Melting point||316 °C (601 °F; 589 K)|
|Explosive velocity||7000 m/s|
|Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)|
|(what is: / ?)|
Hexanitrostilbene (HNS), also called JD-X, is a heat resistant high explosive developed at the Naval Ordnance Laboratory in the 1960s. Other names include 1,1'-(1,2-ethenediyl)bis[2,4,6-trinitrobenzene]; 1,2-bis-(2,4,6-trinitrophenyl)-ethylene; hexanitrodiphenylethylene.
It is commercially produced by oxidizing trinitrotoluene (TNT) with a solution of sodium hypochlorite. HNS boasts a higher insensitivity to heat than TNT, and like TNT it is very insensitive to impact. When casting TNT, HNS is added at 0.5% to form erratic micro-crystals within the TNT which prevent cracking.
Its heat of detonation is 4 kJ/g.
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