P-toluidine is an aminotoluene in which the amino substituent is para to the methyl group.P-toluidine is a colorless solid. Melting point 44°C (111°F). Specific gravity 1.046. Vapor heavier than air.
p-Toluidine is an aromatic amine. It can be detected in the water samples by homogeneous liquid-liquid extraction followed by ion mobility spectrometry (HLLE-IMS).