---
title: "CNS (chemical weapon)"
chunk: 1/1
source: "https://en.wikipedia.org/wiki/CNS_(chemical_weapon)"
category: "reference"
tags: "science, encyclopedia"
date_saved: "2026-05-05T11:26:56.166811+00:00"
instance: "kb-cron"
---

CNS is a mixture of chloroacetophenone, chloropicrin and chloroform that is used as a chemical warfare agent. CNS has the lachrymatory effects of chloroacetophenone and choking effects of chloropicrin. It has a flypaper-like odor.
CNS was used as a riot control agent, but it is no longer used.


== References ==