1,3-
二氟苯，又名间二苯，不溶于水，
熔点59℃，
沸点83℃，常温下为液态，分子量114.09，是合成含氟医药、农药等的重要中间体。
S16Keep away from sources of ignition.
S29Do not empty into drains.
S33Take precautionary measures against static discharges.
S7Keep container tightly closed.
R11Highly flammable.
R20Harmful by inhalation.