Hexanitrohexaazaisowurtzitane

Hexanitrohexaazaisowurtzitane
Partially condensed, stereo, skeletal formula of hexanitrohexaazaisowurtzitane
Partially condensed, stereo, skeletal formula of hexanitrohexaazaisowurtzitane
Ball and stick model of hexazaisowurtzitane
Ball and stick model of hexazaisowurtzitane
Names
IUPAC name
2,4,6,8,10,12-Hexanitro-2,4,6,8,10,12-hexaazatetracyclo[5.5.0.03,11.05,9]dodecane
Other names
  • CL-20
  • Hexanitrohexaazaisowurtzitane
  • 2,4,6,8,10,12-Hexanitro-2,4,6,8,10,12-hexaazaisowurtzitane
  • Octahydro-1,3,4,7,8,10-hexanitro-5,2,6-(iminomethenimino)-1H-imidazo[4,5-b]pyrazine
  • HNIW
Identifiers
3D model (JSmol)
Abbreviations CL-20, HNIW
ChEBI
ChemSpider
ECHA InfoCard 100.114.169 Edit this at Wikidata
UNII
  • InChI=1S/C6H6N12O12/c19-13(20)7-1-2-8(14(21)22)5(7)6-9(15(23)24)3(11(1)17(27)28)4(10(6)16(25)26)12(2)18(29)30/h1-6H checkY
    Key: NDYLCHGXSQOGMS-UHFFFAOYSA-N checkY
  • [O-][N+](=O)N1C2C3N(C4C(N3[N+]([O-])=O)N(C(C1N4[N+]([O-])=O)N2[N+]([O-])=O)[N+]([O-])=O)[N+]([O-])=O
Properties
C
6N
12H
6O
12
Molar mass 438.1850 g mol−1
Density 2.044 g cm−3
Explosive data
Detonation velocity 9,500 m/s
RE factor 1.9
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Hexanitrohexaazaisowurtzitane, also called HNIW and CL-20, is a polycyclic nitroamine explosive with the formula C6H6N12O12. It has a better oxidizer-to-fuel ratio than conventional HMX or RDX. It releases 20% more energy than traditional HMX-based propellants.