1,4-Dinitrobenzene is one of three isomers of dinitrobenzene, with the formula C6H4(NO2)2.

The 1,4-isomer is most symmetrical.

The compound is a yellow solid that is soluble in organic solvents.

It is prepared from 4-nitroaniline by diazotization followed by treatment with sodium nitrite in the presence of a copper catalyst.

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