研究发现，在盐酸介质中，痕量邻二硝基苯能灵敏地阻抑高碘酸钾氧化中性红褪色。
In HCl medium, trace o-dinitrobenzene can sensitively inhibit the discoloration reaction of neutral red oxidized by KIO4.
用2,4 -二硝基苯胺为原料，在混合溶剂中进行部分还原，得到对硝基邻苯二胺。
The starting material 2, 4-dinitroaniline was partially reduced in a mixed solvent to afford 4-nitro-1, 2-phenylenediamine.
用2,4 -二硝基苯胺为原料，在混合溶剂中进行部分还原，得到对硝基邻苯二胺。
The starting material 2, 4-dinitroaniline was partially reduced in a mixed solvent to afford 4-nitro-1, 2-phenylenediamine.
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