4Isopropylaniline

4-Isopropylaniline, also known as cumidine, is an organic compound with the chemical formula C9H13N. It is an aniline derivative where an isopropyl group is attached to the para position of the benzene ring. It appears as a colorless to pale yellow liquid with a characteristic amine odor. 4-Isopropylaniline is sparingly soluble in water but is miscible with many organic solvents.

This compound is synthesized through various methods, often involving the reduction of 4-isopropylnitrobenzene. Its primary applications lie in its use as an intermediate in the synthesis of dyes, pharmaceuticals, and agricultural chemicals. For example, it can be a building block for certain pesticides and other fine chemicals. Due to its aromatic amine structure, it can undergo typical reactions of anilines, such as diazotization and electrophilic aromatic substitution. Safety precautions should be observed when handling 4-isopropylaniline, as it is considered harmful if swallowed, in contact with skin, or if inhaled, and can cause skin and eye irritation.