三氧化二氮,一种酸性氧化物,是亚硝酸的酸酐,可溶于苯、乙醚、氯仿、四氯化碳、酸碱。不稳定,常压下即可分解为一氧化氮和二氧化氮。
Dinitrogen trioxide is the chemical compound with the formula N2O3. This deep blue solid is one of the binary nitrogen oxides. It forms upon mixing equal parts of nitric oxide and nitrogen dioxide and cooling the mixture below −21 °C (−6 °F):
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