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Octogen

Octogen structure

CAS No:
2691-41-0
Formula:
C4H8N8O8
Chemical Name:
Octogen
Synonyms:
1,3,5,7-Tetrazocine,octahydro-1,3,5,7-tetranitro-;Octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine;Cyclotetramethylenetetranitramine;HMX;β-HMX;γ-Octahydro-1,3,5,7-tetranitro-1,3,5,7-tetraazocine;Octogen;1,3,5,7-Tetranitro-1,3,5,7-tetraazacyclooctane;Tetramethylenetetranitramine;Octahydro-1,3,5,7-tetranitro-s-tetrazocine;Oktogen;LX 14-0;HW 4;Homocyclonite;1,3,5,7-Tetranitro-1,3,5,7-tetrazocane;HMX 2;PBXK-C 1203;IRX 21;SW 21;JO 9159;PBXN 9;PBXW 11;PBXC 121;PBXC 126;PBXC 129;ORA 86B;Rowanex 2000;PBXW 128;PBXN 110;PBXW 113;PBXN 101;PBXN 5;JO-X;Renowex 1001;Rowanex 3000;LX 14;Okfol;Oktoflen;Octagen;PBXN 112;EDC 24;PBXC 119;1,3,5,7-Tetranitroperhydro-1,3,5,7-tetrazocine;OF 8;JO 11C;97956-01-9;121631-13-8;141615-54-5;5222-46-8;66038-26-4;66745-90-2
Categories:
Analytical Chemistry > Standard

Description

Hexahydro-1,3,5-trinitro-S-triazine is a white crystalline compound. HMX (high-melting explosive) is a completely N-nitrated, eight-membered heterocyclic ring compound analogous to RDX. HMX has a molecular weight of 296.16 and a melting point of 204°C. Virtually none of the toxicity information on HMX was published, but it was reviewed by the EPA.

Octogen Basic Attributes

Molecular Weight：

296.16

Exact Mass：

296.16

EC Number：

220-260-0

HScode：

29339900

Characteristics

PSA：

196

XLogP3：

0.16

Appearance：

Cyclotetramethylene tetranitramine, [wet with >= 10% water] appears as a white crystalline solid. Melting point 281°C. Practically insoluble in water. Water slurry mitigates explosion hazard. Used in solid propellants and explosives. The primary hazard is the blast effect and not flying projectiles and fragments.

Density：

1.78 g/cm³

Melting Point：

278 °C

Boiling Point：

536°F (decomposes)

Flash Point：

2℃

Refractive Index：

1.693

Water Solubility：

Solubility in water: none

Storage Conditions：

2-8°C

Vapor Pressure：

Vapour pressure, Pa at 25°C:

Vapor Density：

1.9

Toxicity：

Oral-Rat LD50: 6490 mg/kg; Oral-Mouse LD50: 1500 mg/kg

Flammability characteristics：

Flammable, decomposes toxic nitrogen oxide gas when burning

Explosive limit：

Highly explosive!

Safety Information

Packing level：

Hazard category：

1.1D

Transport codes：

0226

wgk germany：

hazard class code：

11-23/24/25-36/37/38-36-20/21/22-3

safety instructions：

16-27-45-36/37-35-26

RTECS Number：

XF7450000

Marks：

F,T,Xn,E

Storage features：

The warehouse is ventilated, low temperature and dry; lightly loaded and unloaded, stored separately from oxidants and acids

Explosive characteristics：

Explosive in case of vibration, friction, open flame and high temperature

Stability/Shelf Life：

Stability at 300 deg K beta>alpha>gamma>delta. Beta is stable at room temp; alpha at 115-156 deg C; gamma at 156 deg C; delta at /approximately/ 170-279 deg C.

Precautionary statement(s)：

P210-P261-P302 + P352 + P312-P304 + P340 + P312-P337 + P313-P403 + P235

Hazard Statements：

H225-H302 + H312 + H332-H319

Toxicity

Toxicity class：

moderately toxic

Octogen Use and Manufacturing

In solid propellants and explosives.

Computed Properties

Molecular Weight:296.16
XLogP3:2.1
Hydrogen Bond Acceptor Count:12
Exact Mass:296.04650924
Monoisotopic Mass:296.04650924
Topological Polar Surface Area:196
Heavy Atom Count:20
Complexity:322
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes