Trimethylolethane trinitrate
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| IUPAC name
[2-methyl-3-nitrooxy-2-(nitrooxymethyl)propyl] nitrate
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| Other names
TMETN; Metriol trinitrate; METN; Nitropentaglycerin; 1,1,1-trimethylolethane trinitrate
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| Identifiers | |
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3D model (JSmol)
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PubChem CID
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| Properties | |
| C5H9N3O9 | |
| Molar mass | 255.14 |
| Density | 1.47 g/cm3 |
| Melting point | −3 °C (27 °F; 270 K) |
| Boiling point | decomposes at 182 °C (360 °F; 455 K) |
| Hazards | |
| Flash point | 26.7 °C (80.1 °F; 299.8 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Template:Chembox Footer/trackingTemplate:Short description
Trimethylolethane trinitrate (TMETN), also known as metriol trinitrate (METN, MTN, METRTN) or nitropentaglycerin, is a nitrate ester. It is a high explosive similar to nitroglycerin. It is a transparent oily liquid, colorless to light brown. It is odorless. It is used in some solid propellants and smokeless powders as a plasticizer. Its chemical formula is Page Module:Chem2/styles.css has no content.CH3−C(CH2−O−NO2)3.
TMETN was first prepared and patented in Italy under name Metriolo. Germans began producing it before World War II, when it was demonstrated to be an erosion and flash-reducing agent in smokeless powders. It is a liquid explosive with properties similar to nitroglycerin, but more stable to heat. It is prepared by nitration of trimethylolethane (metriol). It does not induce headaches.
TMETN can be initiated by friction, impact, and electrostatic discharge. It can be used as a high-viscosity plasticizer-binder together with nitrocellulose, but its poor colloidal properties has made such use rare. Long-term milling can however assist here; success can also be achieved by adding an inert plasticizer and a volatile solvent/colloidal agent.[1]
TMETN is miscible with ether and acetone. It is insoluble in 95% sulfuric acid.[2] It can be used as a plasticizer together with, or as an alternative to, triethyleneglycol dinitrate (TEGDN). It can also be used as a monopropellant;[3] in fact, triethylene glycol dinitrate, diethylene glycol dinitrate, and trimethyloleate trinitrate are being considered[when?] as replacements for nitroglycerin in propellants.[4]
References
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- ^ Explosive composition comprising HMX, RDX, or PETN and a high viscosity nitrocellulose binder plasticized with TMETN – The United States of America as represented by the Secre...
- ^ Page Module:Citation/CS1/styles.css has no content."Trimethylolethane Trinitrate". Archived from the original on 2009-01-06. Retrieved 2009-01-04.
- ^ Liquid Nitrate Ester Monopropellant Composition – Camp, Albert T
- ^ Page Module:Citation/CS1/styles.css has no content."Guns and Ordnance: Ammunition and Explosives – Storming Media". Archived from the original on 2012-09-03. Retrieved 2009-01-04.
External links
- MSDS Script error: No such module "webarchive".
