4-Chlorocinnamic acid, identified by CAS 1615-02-7, is an organic compound belonging to the cinnamic acid derivative family. Characterized by a chlorine atom at the para position of the benzene ring, this crystalline solid serves as a versatile building block in synthetic chemistry. Its structural features, including the alpha,beta-unsaturated carboxylic acid moiety, make it a valuable precursor for creating more complex molecules in both industrial and laboratory settings.
In terms of physical properties, the material typically appears as a white to pale yellow crystalline powder. It is recognized for its stability under standard storage conditions but requires careful handling as a potential irritant. Its primary value lies in its role as a functionalized aromatic intermediate, allowing for precise modifications in the synthesis of polymers, agrochemicals, and specialty fine chemicals. Researchers utilize this compound to explore structure-activity relationships in various chemical and biological systems.