What is tear gas? Learn more about the evolution of tear gas and why some scientists recommend a revaluation of its use.

The substance chloroacetophenone (CN) is banned for use as a chemical warfare agent under the Geneva Protocol, which was adopted by the United Nations General Assembly in 1969 following its use during ...

These munitions contain hazardous substances, including chloroacetophenone (CN) and chlorobenzalmononitrile (CS), which are banned under the Geneva Protocol. The modified munitions consist of a ...

The material was taken from World War I stockpiles of CN2D, which was packaged in bombs and canisters, a toxic combination of Arsenic (Adamcet or DM) and highly poisonous chloroacetophenone (CN).

Since December 2023, the Russians have been using a new chemical grenade, the RG-Vo, which contains chloroacetophenone or CN (known as “Cheremukha”). Although the irritant effect is considered weaker ...

“From February 2023 to February 2025, 6,129 cases of the use by Russian occupiers of ammunition containing dangerous chemicals, including 2-chlorobenzalmalononitrile (CS), chloroacetophenone (CN), as ...

Between February 2023 and February 2025, 6,129 cases of the use by Russian occupiers of ammunition containing dangerous chemicals, including 2-chlorobenzalmalononitrile (CS), chloroacetophenone (CN), ...

"These include 2-chlorobenzalmalononitrile (CS), chloroacetophenone (CN), as well as chloropicrin and MIRKA." On Nov. 8, 2024, Ukraine’s General Staff reported that Russian forces used chemical ...

Between February 2023 and February 2025, there have been 6,129 cases of the use by Russian occupation forces of munitions containing hazardous chemic ...

Two OPCW laboratories confirmed that they contained riot control agent known as CS. Among other hazardous chemicals, chloroacetophenone (CN), as well as chloropicrin and mercaptans (malodorants) were ...

“Thus, in the period from February 2023 to February 2025, there have been documented 6,129 cases of the use by Russian occupation forces of munitions containing hazardous chemicals, including ...