Chemical weapons are toxic chemicals, such as nerve agents (sarin), blister agents (mustard gas), choking agents (chlorine), and blood agents, that are deliberately used to injure, incapacitate, or kill people. They are banned under the 1993 Chemical Weapons Convention, which most countries have signed. No, chemical weapons are not legally available in any country. The Chemical Weapons Convention (1993) bans developing, producing, stockpiling, or using them, and 193 countries are parties to it. The Organisation for the Prohibition of Chemical Weapons (OPCW) monitors compliance. The United States finished destroying its declared stockpile in 2023, and all other declared stockpiles have been destroyed as well.
The Writer explains what chemical weapons are, their types, harmful effects on human health and the environment, historical use, and international laws prohibiting their development, production, stockpiling, and use.
A few countries remain outside the treaty: Egypt and North Korea have not joined, and Israel signed but never ratified. North Korea is widely believed to hold chemical weapons. Syria joined in 2013 but was still found to have used them afterward.
On impact, chemical weapons cause severe suffering: burns, respiratory failure, paralysis, and death, with long-term effects like cancer, lung damage, and psychological trauma. They are indiscriminate, so civilians suffer most. Their use is a war crime, and it brings sanctions and international condemnation, as seen in Syria and the Iran-Iraq War.