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HMX

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Identification
Molecular formula
C4H8N8O8
CAS number
2691-41-0
IUPAC name
1,3,5,7-tetranitro-1,3,5,7-tetrazocane
State
State

At room temperature, HMX is a solid. It is stable under normal conditions but can decompose under high temperature or pressure. HMX is not readily volatile.

Melting point (Celsius)
276.00
Melting point (Kelvin)
549.15
Boiling point (Celsius)
276.00
Boiling point (Kelvin)
549.15
General information
Molecular weight
296.20g/mol
Molar mass
296.2040g/mol
Density
1.9100g/cm3
Appearence

HMX, or octogen, is a white crystalline solid under standard conditions. It is odorless and is often used in its pure form as well as in mixtures with other compounds for explosive applications due to its stability and high energy release.

Comment on solubility

Solubility of 1,3,5,7-tetranitro-1,3,5,7-tetrazocane

1,3,5,7-tetranitro-1,3,5,7-tetrazocane exhibits unique solubility characteristics that are particularly relevant in the field of energetic materials. Typically, the solubility of compounds like this can be influenced by various factors such as:

  • Polarity: The presence of multiple nitro groups (-NO2) makes the molecule highly polar.
  • Hydrogen Bonding: The compound may engage in hydrogen bonding interactions, which can affect solubility.
  • Solvent Interaction: The solubility is significantly influenced by the choice of solvent. Polar solvents often improve solubility for polar compounds.

In practice, 1,3,5,7-tetranitro-1,3,5,7-tetrazocane is only sparingly soluble in water, which is common for many nitro-substituted compounds. It tends to dissolve better in organic solvents such as:

  • Acetone
  • Dimethyl sulfoxide (DMSO)
  • Chloroform

In summary, while 1,3,5,7-tetranitro-1,3,5,7-tetrazocane may have limited solubility in water, it is better suited for dissolution in various organic solvents, demonstrating the importance of solvent choice in achieving adequate solubility. Understanding these solubility traits is crucial for applications involving this compound, particularly in explosives and propellant formulations.

Interesting facts

Interesting Facts about 1,3,5,7-Tetranitro-1,3,5,7-tetrazocane

1,3,5,7-tetranitro-1,3,5,7-tetrazocane, often referred to as a high-energy density compound, belongs to a fascinating class of compounds known as *nitramines*. These compounds are particularly noteworthy for their use in the field of explosives and propellants.

Significance in Science and Industry

This compound has several applications that highlight its importance:

  • Energetic Material: Its high oxygen balance and energy yield make it a choice candidate for use in military and aerospace applications.
  • Research Utility: It serves as a model compound for studying the chemistry of nitrogen-rich materials, helping researchers develop safer and more efficient explosives.
  • Propellant Development: It plays a role in the advancement of solid rocket propellants, enhancing performance through its unique structural properties.

Chemical Structure and Properties

The unique structure of 1,3,5,7-tetranitro-1,3,5,7-tetrazocane includes:

  • A cyclic arrangement of nitrogens and nitro groups that contributes to its stability and reactivity.
  • The presence of multiple nitro groups enhances both *explosive potential* and *thermodynamic properties*, making it a compound of interest in energetic material research.

Safety and Handling

Given its classification as a high explosive, safety procedures are paramount when handling this compound. The following precautions are typically advised:

  • Adherence to strict regulations regarding storage and transport.
  • Use of appropriate personal protective equipment (PPE) during experimentation.
  • Training in emergency response protocols for accidental detonations.

In conclusion, the study of 1,3,5,7-tetranitro-1,3,5,7-tetrazocane represents a critical intersection of chemistry, safety, and applied science. The ongoing research into this compound not only enhances our understanding of energetic materials but also drives innovation in various high-tech industries.

Synonyms
Octogen
2691-41-0
Oktogen
Tetramethylenetetranitramine
Octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine
beta-Hmy
CYCLOTETRAMETHYLENETETRANITRAMINE
Cyclotetramethylene Tetranitramine
1,3,5,7-Tetranitro-1,3,5,7-tetraazacyclooctane
1,3,5,7-Tetrazocine, octahydro-1,3,5,7-tetranitro-
HSDB 5893
LLW94W5BSJ
beta-HMX
EINECS 220-260-0
UN0226
BRN 0361386
OCTOGEN [MI]
UN0484
1,3,5,7-tetranitro-1,3,5,7-tetrazacyclooctane
DTXSID3024237
1,3,5,7-Tetranitro-1,3,5,7-tetraazocane
CHEBI:33176
EC 220-260-0
4-26-00-01645 (Beilstein Handbook Reference)
homocyclonite
Octolite or octol, dry or wetted with < 15% water, by mass
Octahydro-1,3,5,7-Tetranitro-s-tetrazocine
CYCLOTETRAMETHYLENETETRANITRAMINE [HSDB]
OCTAHYDRO-1,3,5,7-TETRANITRO-1,3,5,7-TETROCINE
Cyclotetramethylenetetranitramine, wetted or HMX, wetted or octogen, wetted with not <15% water, by mass
Renowex 1001
Rowanex 2000
PBXN 5
PBXN 9
HMX 2
betaHmy
ORA 86B
PBXW 11
Cyclotetramethylene tetranitramine, (wet with >= 10% water)
CYCLOTETRAMETHYLENE TETRANITRAMINE, [WET WITH >= 10% WATER]
IRX 21
PBXC 121
PBXC 126
PBXC 129
PBXN 101
PBXN 110
PBXW 113
PBXW 128
beta Hmy
PBXK-C 1203
LX 14
JO 9159
ROWANEX 3000
DTXCID504237
cyclotetramethylene-tetranitramine
SW 21
LX 140
1,3,5,7Tetranitro1,3,5,7tetraazacyclooctane
1,3,5,7Tetrazocine, octahydro1,3,5,7tetranitro
beta-1,3,5,7-tetranitro-1,3,5,7-tetraazacyclooctane
220-260-0
1,3,5,7-tetranitro-1,3,5,7-tetrazocane
HMX
HW 4
LX 14-0
Octagen
UNII-LLW94W5BSJ
octahydro-1
.beta. Hmy
.beta.-HMX
UN 0226 (Salt/Mix)
SCHEMBL164769
1,3,5,7-Tetrazocine,octahydro-1,3,5,7-tetranitro-
AKOS000668897
Cyclotetramethylene tetranitramine (dry or unphlegmatized)(HMX) [Forbidden]
Cyclotetramethylenetetranitramine, desensitized or octogen, desensitized or HMX, desensitized
NCGC00160380-01
Cyclotetramethylenetetranitramine, wetted or HMX, wetted or octogen, wetted with not < 15% water, by mass
NS00007641
1,3,5,7-Tetranitro-1,3,5,7-tetraazocane #
1,3,5,7-Tetraza-1,3,5,7-tetranitrocyclooctane
Q422206
Cyclotetramethylene tetranitramine (dry or unphlegmatized)(HMX)
octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine, betaine
Cyclotetramethylenetetranitramine, desensitized or octogen, desensitized or HMX, desensitized [UN0484] [Explosive 1.1D]
Cyclotetramethylenetetranitramine, wetted or HMX, wetted or octogen, wetted with not <15% water, by mass [UN0226] [Explosive 1.1D]