Hexanitrohexaazaisowurtzitane

Hexanitrohexaazaisowurtzitane
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
CAS Number	135285-90-4 ;
3D model (JSmol)	Interactive image;
Abbreviations	CL-20, HNIW
ChEBI	CHEBI:77327 ;
ChemSpider	8064994 ; 9223599 (3R,9R)-dodec ; 9594121 (3R,5S,9R,11S)- dodec ;
ECHA InfoCard	100.114.169
PubChem CID	9889323; 11048432 (3R,9R)-dodec; 11419235 (3R,5S,9R,11S)- dodec;
UNII	RQM82X0CL7 ;
CompTox Dashboard (EPA)	DTXSID90873482 ;
	InChI 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 Key: NDYLCHGXSQOGMS-UHFFFAOYSA-N ;
	SMILES [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
Chemical formula	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). verify (what is ?) Infobox references

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.