A persistent agent. Any of the classes of chemical agents - nerve, blood, blister and so on - can be made into a persistent agent.
Blistering Agent is a chemical compound that causes severe skin, eye and mucosal pain and irritation. They are named for their ability to cause severe chemical burns, resulting in painful water blisters on the bodies of those affected. Although the term is often used in connection with large-scale burns caused by chemical spills or chemical warfare agents. Blistering Agent is commonly splitted into 3 categories. They are: -Sulfur Mustards -Nitrogen Mustards -Lewisite
See website: Agent Orange
yes
Kmha
They are not essential to cause a chemical reaction.
Persistent
A biological agent
Persistent
persistent
Persistent
Persistent
Persistent
Persistent
persistent
persistent
Persistent
Persistent