4Nitrobenzaldehyde

4-Nitrobenzaldehyde is an organic compound with the chemical formula C7H5NO3. It is a derivative of benzaldehyde, where a nitro group is substituted at the para position on the benzene ring. It appears as a yellow crystalline solid.

The compound is typically synthesized through the oxidation of 4-nitrotoluene or the nitration of benzaldehyde. Its reactivity is influenced by both the aldehyde group and the nitro group. The aldehyde functionality allows it to undergo typical aldehyde reactions such as oxidation, reduction, and condensation. The electron-withdrawing nitro group deactivates the benzene ring towards electrophilic substitution.

4-Nitrobenzaldehyde serves as a valuable intermediate in the synthesis of various organic compounds. It is used in the production of dyes, pharmaceuticals, and other fine chemicals. For example, it can be reduced to 4-aminobenzaldehyde, which is a precursor to other important molecules. Its applications are found in research laboratories and industrial chemical processes. Safety precautions should be observed when handling 4-nitrobenzaldehyde, as it can be an irritant.