Hexanitrohexaazaisowurtzitane

Names IUPAC name

2,4,6,8,10,12-Hexanitro-2,4,6,8,10,12-hexaazatetracyclo[5.5.0.0.0]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

PubChemCID

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
₁₂Molar mass438.1850 g mol Density2.044 g cm Explosive data Detonation velocity9,500 m/s RE factor1.9

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

verify ( ?)

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.