Chloropicrin

Chloropicrin is intensely irritating to the eyes and has a tear gas-like effect. Chloropicrin in concn of 0.3-0.37 ppm resulted in painful irritation to the eyes in 3-30 sec ... A level of 4 ppm for a few seconds renders a man unfit for activity, and 15 ppm for the same duration resulted in respiratory tract injury ... Chloropicrin is also noted to be a potent skin irritant.

A quantitative analysis focusing on ocular irritation 17 in human volunteers exposed for 1-hour/day for 4 days) provided a BMCL10 /benchmark concentration level/ of 73 ppb (0.073 18 ppm) for ocular irritation.

Irritating to skin, eyes, and respiratory system.