1-(2 H -Tetrazolyl)-1,2,4-triazole-5-amine(TzTA) : a thermally stable nitrogen rich energetic material : synthesis, characterization and thermo-chemical analysis
The targeted high nitrogen energetic material 1-(2H-tetrazol-5-yl)-1,2,4-triazol-5-amine (TzTA) was synthesized from 3-amino-1,2,4-triazole via a two-step procedure using cyanogen bromide and sodium azide. TzTA was prepared in good yields and characterized using analytical (elemental) and spectrosco...
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| Format: | Journal Article |
| Sprache: | English |
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2015
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| Online Zugang: | https://hdl.handle.net/10356/104287 http://hdl.handle.net/10220/38330 |
| _version_ | 1826127257699090432 |
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| author | Nimesh, Sasidharan Ang, How Ghee |
| author2 | Energy Research Institute @ NTU (ERI@N) |
| author_facet | Energy Research Institute @ NTU (ERI@N) Nimesh, Sasidharan Ang, How Ghee |
| author_sort | Nimesh, Sasidharan |
| collection | NTU |
| description | The targeted high nitrogen energetic material 1-(2H-tetrazol-5-yl)-1,2,4-triazol-5-amine (TzTA) was synthesized from 3-amino-1,2,4-triazole via a two-step procedure using cyanogen bromide and sodium azide. TzTA was prepared in good yields and characterized using analytical (elemental) and spectroscopic (IR, Raman, NMR) techniques. The crystal structure of sulfate salt of the molecule was solved by means of low temperature X-ray crystallography, which showed the co-planarity of the two rings. The sulfate salt of the molecule crystallized in monoclinic system P21/n, with a crystal density of 1.856 g cm−3. The thermal stability of the molecule was assessed by DSC. The molecule showed excellent thermal stability better than many known nitrogen rich energetic molecules and showed comparable thermal stability with HMX. Non-isothermal kinetics was performed on the molecule to derive the activation energy. Constant volume combustion energy was determined using oxygen bomb calorimeter and back calculated the heat of formation. Preliminary insight on the gas generating capability of the molecule was tested by measuring the dynamic pressure generated inside a closed bomb. Dynamic pressure of an oxygen balanced system (TzTA and ADN) was also measured using the Parr dynamic pressure measurement system. |
| first_indexed | 2024-10-01T07:05:55Z |
| format | Journal Article |
| id | ntu-10356/104287 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T07:05:55Z |
| publishDate | 2015 |
| record_format | dspace |
| spelling | ntu-10356/1042872021-01-08T05:51:03Z 1-(2 H -Tetrazolyl)-1,2,4-triazole-5-amine(TzTA) : a thermally stable nitrogen rich energetic material : synthesis, characterization and thermo-chemical analysis Nimesh, Sasidharan Ang, How Ghee Energy Research Institute @ NTU (ERI@N) DRNTU::Engineering::Materials::Energy materials The targeted high nitrogen energetic material 1-(2H-tetrazol-5-yl)-1,2,4-triazol-5-amine (TzTA) was synthesized from 3-amino-1,2,4-triazole via a two-step procedure using cyanogen bromide and sodium azide. TzTA was prepared in good yields and characterized using analytical (elemental) and spectroscopic (IR, Raman, NMR) techniques. The crystal structure of sulfate salt of the molecule was solved by means of low temperature X-ray crystallography, which showed the co-planarity of the two rings. The sulfate salt of the molecule crystallized in monoclinic system P21/n, with a crystal density of 1.856 g cm−3. The thermal stability of the molecule was assessed by DSC. The molecule showed excellent thermal stability better than many known nitrogen rich energetic molecules and showed comparable thermal stability with HMX. Non-isothermal kinetics was performed on the molecule to derive the activation energy. Constant volume combustion energy was determined using oxygen bomb calorimeter and back calculated the heat of formation. Preliminary insight on the gas generating capability of the molecule was tested by measuring the dynamic pressure generated inside a closed bomb. Dynamic pressure of an oxygen balanced system (TzTA and ADN) was also measured using the Parr dynamic pressure measurement system. 2015-07-14T09:03:27Z 2019-12-06T21:29:53Z 2015-07-14T09:03:27Z 2019-12-06T21:29:53Z 2015 2015 Journal Article Nimesh, S., & Ang, H.-G. (2015). 1-(2 H -Tetrazolyl)-1,2,4-triazole-5-amine(TzTA) - A Thermally Stable Nitrogen Rich Energetic Material: Synthesis, Characterization and Thermo-Chemical Analysis . Propellants, Explosives, Pyrotechnics, 40(3), 426-432. 0721-3115 https://hdl.handle.net/10356/104287 http://hdl.handle.net/10220/38330 10.1002/prep.201400220 en Propellants, explosives, pyrotechnics © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. |
| spellingShingle | DRNTU::Engineering::Materials::Energy materials Nimesh, Sasidharan Ang, How Ghee 1-(2 H -Tetrazolyl)-1,2,4-triazole-5-amine(TzTA) : a thermally stable nitrogen rich energetic material : synthesis, characterization and thermo-chemical analysis |
| title | 1-(2 H -Tetrazolyl)-1,2,4-triazole-5-amine(TzTA) : a thermally stable nitrogen rich energetic material : synthesis, characterization and thermo-chemical analysis |
| title_full | 1-(2 H -Tetrazolyl)-1,2,4-triazole-5-amine(TzTA) : a thermally stable nitrogen rich energetic material : synthesis, characterization and thermo-chemical analysis |
| title_fullStr | 1-(2 H -Tetrazolyl)-1,2,4-triazole-5-amine(TzTA) : a thermally stable nitrogen rich energetic material : synthesis, characterization and thermo-chemical analysis |
| title_full_unstemmed | 1-(2 H -Tetrazolyl)-1,2,4-triazole-5-amine(TzTA) : a thermally stable nitrogen rich energetic material : synthesis, characterization and thermo-chemical analysis |
| title_short | 1-(2 H -Tetrazolyl)-1,2,4-triazole-5-amine(TzTA) : a thermally stable nitrogen rich energetic material : synthesis, characterization and thermo-chemical analysis |
| title_sort | 1 2 h tetrazolyl 1 2 4 triazole 5 amine tzta a thermally stable nitrogen rich energetic material synthesis characterization and thermo chemical analysis |
| topic | DRNTU::Engineering::Materials::Energy materials |
| url | https://hdl.handle.net/10356/104287 http://hdl.handle.net/10220/38330 |
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