| Chemistry name: | dinitrogen trioxide; nitrogen sesquioxide
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| M Formula: | N2O3
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| Properties: |
| Blue liquid. D 1.447 (2C), bp 3.5C (1 atm), fp −102C (1 atm). Partially dissociated into nitric oxide (NO) and nitrogen dioxide (NO2). |
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| Derivation: |
| Prepared by passing nitric oxide into nitrogen tetroxide at approximately 0C until the stoichiometric amount has been absorbed. |
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| Hazard: |
| Toxic by inhalation, strong irritant. |
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| Use: |
| Oxidant in special fuel systems, identification of terpenes, preparation of pure alkali nitrites. |
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