HMX

$86.4
Product name: HMX
CAS: 2691-41-0
MF: C4H8N8O8
MW: 296.16
EINECS:220-260-0
MDL Number:MFCD00181712
Synonyms:1,3,5,7-tetranitro-1,3,5,7-tetrazocane solution;hmx solution;1,3,5,7-TETRANITRO-OCTAHYDRO-1,3,5,7-TETRAZOCINE;1,3,5,7-Tetraaza-1,3,5,7-tetranitrocyclooctane;1,3,5,7-Tetranitro-1,3,5,7-tetrazocane solution, Cyclotetramethylene tetranitramine;Cyclotetramethylene tetramine;Homocyclonite, Octogen, HMX;Octogen (1,3,5,7-Tetranitro-1,3,5,7-tetrazocan)

Price1 Properties Safety Information Description

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Brand

Sigma-Aldrich

Package

1.2mL

ManufacturerSigma-Aldrich
Product numberERH-004S
Product descriptionHMX solution 1000?μg/mL in acetonitrile, ampule of 1.2?mL, certified reference material, Cerilliant?
Packaging1.2mL
Price$86.4
Updated2026-04-30
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Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
Sigma-Aldrich	ERH-004S	HMX solution 1000?μg/mL in acetonitrile, ampule of 1.2?mL, certified reference material, Cerilliant?	1.2mL	$86.4	2026-04-30	Buy

Properties

Melting point :281°
Boiling point :437.77°C (rough estimate)
Density :Density (g/cm3): b=1.903; a=1.87; g=1.82; d=1.78
vapor pressure :0Pa at 25℃
refractive index :1.6910 (estimate)
Flash point :2℃
storage temp. :2-8°C
pka :-16.32±0.20(Predicted)
form :Colorless solid
Water Solubility :4.46mg/L at 25℃
Specific Heat Capacity :Cp(gas): 0.93 J/(g·K), at 25℃
Henry's Law Constant :1.1×10⁴ mol/(m³Pa) at 25℃, HSDB (2015)
Exposure limits :PC-TWA: 2 mg/m3; PC-STEL: 4 mg/m3
LogP :0.165 at 21℃
CAS DataBase Reference :2691-41-0
EPA Substance Registry System :Cyclotetramethylenetetranitramine (2691-41-0)

Safety Information

Symbol(GHS):

Signal word:

Danger

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	Pictogram	P-Codes
H225	Highly Flammable liquid and vapour	Flammable liquids	Category 2	Danger		P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H319	Causes serious eye irritation	Serious eye damage/eye irritation	Category 2A	Warning		P264, P280, P305+P351+P338,P337+P313P

Precautionary statements:

P210	Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P261	Avoid breathing dust/fume/gas/mist/vapours/spray.
P280	Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338	IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P337+P313	IF eye irritation persists: Get medical advice/attention.
P403+P235	Store in a well-ventilated place. Keep cool.

Description

HMX has uses similar to RDX, that is, as a base charge for detonators and as an ingredient of bursting-charge and plastic explosives by the military.

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