Cyclotetramethylenetetranitramine
Octahydro-1,3,5,7-tetranitro-1 ,3,5,7-tetrazocine
1,3,5,7-tetranitro-1 ,3,5,7-tetrazacyclooctane
HMX is used as an explosive charge when desensitized, as a booster charge in admixtures with TNT called octols, and as an oxidizer in solid rocket and gun propellants.
TM 9-1300-214, Military Explosives (w/C4, 1990)
FSTC 381-5042, Handbook of Foreign Explosives (1965)