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Nitramine

Definition

A cyclic explosive in which the nitro groups are attached to nitrogen atoms within the ring (N-NO2), as in RDX and HMX. Nitramines achieve higher detonation velocities than aromatic nitro compounds because the N-N bond is weaker than C-N and energy release is faster.

Related terms

Critical Diameter
The minimum charge diameter below which a detonation wave cannot sustain itself, because energy losses to the sides of the charge exceed...
Detonating Cord
A cord with a PETN explosive core (5-40 g/m) that detonates at approximately 6,400 m/s when initiated. Used to connect multiple charges...
DNT Isomers (2,4-DNT and 2,6-DNT)
Dinitrotoluene intermediates and impurities present in manufactured TNT. Their molar ratio in post-blast debris or intact samples provides a manufacturing signature that...
HMTD (Hexamethylene Triperoxide Diamine)
A peroxide explosive analogue of TATP, synthesised from hexamine (hexamethylenetetramine), hydrogen peroxide, and citric acid. Similar sensitivity profile. Detected by LC-MS/MS as...
Ion Mobility Spectrometry (IMS)
A field-deployable analytical technique that separates ions by their mobility in an electric field at atmospheric pressure. Used for trace explosive detection...
Nitro Compound
A molecule containing one or more -NO2 (nitro) groups covalently bonded to carbon. TNT is an aromatic nitro compound; PETN is a...
Organic Peroxide Explosive
An explosive in which the energetic groups are peroxide linkages (-O-O-) rather than nitro groups. TATP and HMTD are the forensically significant...
Oxygen Balance
A percentage expressing the surplus or deficit of oxygen in an explosive molecule relative to stoichiometric complete oxidation of carbon to CO2...
Sublimation (TATP Context)
The transition of a solid directly to vapour without passing through a liquid phase. TATP sublimes at room temperature (vapour pressure ~6.9...

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