O-fluoroaniline is a light yellow liquid, oily; When the amount is small, the color is not obvious. Slightly aromatic, toxic. It can stimulate the skin, and its vapor or smoke can stimulate the eyes, mucous membrane and upper respiratory tract. Enter the human body, can form methemoglobin cyanosis, harmful to the environment, this product is flammable, irritating. O-fluoroaniline is an important intermediate in the synthesis of fluorinated pharmaceuticals and dyes. O-fluoroaniline can be used as an intermediate in pharmaceutical synthesis.