PS, trichloronitromethane, Aquinite, KLOP
Chloropicrin (PS) is chemically known as trichloronitromethane. It produces sensory irritation in the upper respiratory passages. Its toxicity resembles the compound chlorine. It also has strong lachrymatory properties and produces increased sensitivity after frequent exposure. When ingested, it can cause severe nausea, vomiting, colic and diarrhea. The effects of chloropicrin are long-lasting and cumulative.