Structure via PubChem · Public domain (PubChem)
hexanitrohexaazaisowurtzitane
Sign in to saveAlso known as HNIW, CL-20, octahydro-1,3,4,7,8,10-hexanitro-5,2,6-(iminomethenimino)-1H-imidazo(4,5-b)pyrazine
Hexanitrohexaazaisowurtzitane, also called HNIW and CL-20, is a polycyclic nitroamine explosive with the formula . It has a better oxidizer-to-fuel ratio than conventional HMX or RDX. It releases 20% more energy than traditional HMX-based propellants.
In the Vinony graph
Vinony's link graph records 29 inbound references to hexanitrohexaazaisowurtzitane, and connects out to TNT equivalent, mass density and fuel.
It is catalogued under topics including Chembox image size set, Chemical articles with multiple compound IDs and Chemical articles with multiple PubChem CIDs.
Vinony links it to 24 Wikipedia language editions.
Chemical data
- Formula
- C6H6N12O12
- Molecular weight
- 438.19 g/mol
- IUPAC name
- 2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexazatetracyclo[5.5.0.03,11.05,9]dodecane
- SMILES
- C12C3N(C4C(N3[N+](=O)[O-])N(C(N1[N+](=O)[O-])C(N2[N+](=O)[O-])N4[N+](=O)[O-])[N+](=O)[O-])[N+](=O)[O-]
- InChIKey
- NDYLCHGXSQOGMS-UHFFFAOYSA-N
- XLogP
- 2.8
- Polar surface area
- 294 Ų
- H-bond donors
- 0
- H-bond acceptors
- 18
- Formal charge
- 0
via PubChem
Wikidata facts
- Subclass of
- chemical compound
- Has part
- nitrogen
- Mass
- 438.022814
Show 6 more facts
- density
- 2.044
- decomposition point
- 255.0
- chemical formula
- C₆H₆N₁₂O₁₂
- canonical SMILES
- C12C3N(C4C(N3[N+](=O)[O-])N(C(N1[N+](=O)[O-])C(N2[N+](=O)[O-])N4[N+](=O)[O-])[N+](=O)[O-])[N+](=O)[O-]
- standard enthalpy of formation
- 377.411
- Commons category
- Hexanitrohexaazaisowurtzitane
via Wikidata · CC0
~4 min read
Encyclopedic overview
7 sectionsContents
- History and use
- Synthesis
- Cocrystals
- Polymeric derivatives
- See also
- References
- Further reading
Hexanitrohexaazaisowurtzitane, also called HNIW and CL-20, is a polycyclic nitroamine explosive with the formula . It has a better oxidizer-to-fuel ratio than conventional HMX or RDX. It releases 20% more energy than traditional HMX-based propellants.
== History and use == In the 1980s, CL-20 was developed by the China Lake facility, primarily to be used in propellants.
Excerpted from Wikipedia’s “hexanitrohexaazaisowurtzitane” article, available under the CC BY-SA 4.0 licence.