见光或露置空气中逐渐变色。溶于醇、醚、有机溶剂和酸类，几乎不溶于水。有毒，最小致死量(猫，经口)173mg/kg。有刺激性。 2,4-二氯苯胺可被戴尔福特菌（Delftia tsuruhatensis ）H1降解。利用GC/MS和高效液相色谱法可检测人尿样中的2,4-二氯苯胺代谢物有机合成中间体,农药中间体。 2,4-Dichloroaniline is degraded by Delftia tsuruhatensis H1. 2,4-Dichloroaniline metabolite is detected in human urine sample by GC/MS and high performance liquid chromatograph