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|Section2= |Section5= }} 2,4-Dinitroanisole (DNAN) is a low sensitivity explosive organic compound. It has an anisole (methoxybenzene) core, with two nitro groups (–NO2) attached. Compared with TNT it has only 90% of the explosive power and is less dense with a higher melting point.〔 ==Properties== 2,4-Dinitroanisole crystallises in the monoclinic form. The unit cell has these sizes and angles: a=8.772 Å b=12.645 Å c=15.429 Å 81.89°, cell volume is V=1694 Å3, There are eight molecules in each unit cell, with four positions symmetric. The two asymmetric positions have the molecule bent in different ways. The methyl group can be rotated either at 5° or 13° out of the plane of the benzene ring. The ''ortho'' nitro group is rotated at 3° or 35°. The ''para'' nitro group is close to parallel with the ring plane. The specific heat of solid 2,4-dinitroanisole is given by Cp (Jmol−1K−1) = 0.3153 + 0.00265T (T in K). At 298.15 K. it is 219.02 Jmol−1K−1 The melting enthalpy is 20.2 kJmol−1 and solidification heat is 19.7 kJmol−1. These can differ so much as the liquid can be supercooled 22.8°C. The initial decomposition temperature is 295°C, and the explosion temperature is 312°C. On explosion the adiabatic temperature rise is 4923°C. Ignition temperature is 347°C.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「2,4-Dinitroanisole」の詳細全文を読む スポンサード リンク
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