page_title: 1,4-Dichloro-2-nitrobenzene
hierarchical_section_title: 1,4-Dichloro-2-nitrobenzene
caption_attribution_description: English: molecular structure of Disperse Yellow 42
context_page_description: 1,4-Dichloro-2-nitrobenzene is an organic compound with the formula C₆H₃Cl₂NO₂. One of several isomers of dichloronitrobenzene, it is a yellow solid that is insoluble in water. It is produced by nitration of 1,4-dichlorobenzene. It is a precursor to many derivatives of commercial interest. Hydrogenation gives 1,4-dichloroaniline. Nucleophiles displace the chloride adjacent to the nitro group: ammonia gives the aniline derivative, aqueous base gives the phenol derivative, and methoxide gives the anisole derivative. These compounds are respectively 4-chloro-2-nitroaniline, 4-chloro-2-nitrophenol, and 4-chloro-2-nitroanisole.
context_section_description: 1,4-Dichloro-2-nitrobenzene is an organic compound with the formula C₆H₃Cl₂NO₂. One of several isomers of dichloronitrobenzene, it is a yellow solid that is insoluble in water.  It is produced by nitration of 1,4-dichlorobenzene.  It is a precursor to many derivatives of commercial interest. Hydrogenation gives 1,4-dichloroaniline.  Nucleophiles displace the chloride adjacent to the nitro group: ammonia gives the aniline derivative, aqueous base gives the phenol derivative, and methoxide gives the anisole derivative.  These compounds are respectively 4-chloro-2-nitroaniline, 4-chloro-2-nitrophenol, and 4-chloro-2-nitroanisole.
caption: Disperse Yellow 42, a popular dye for polyesters, is derived from 1,4-dichloro-2-nitrobenzene.[1]
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