Self-defense spray, non-pressurized

Toxic ammunition contains chemical agents which, through their adverse physiological effects, are in use by military or law enforcement organizations to kill, injure, or incapacitate humans. Less powerful agents are used by the public for self-defense. While the use of lethal chemical agents like mustard gas and nerve agents to kill or maim has been banned by the Chemical Weapons Convention (COTC), the use of toxic chemicals as suppressive methods to control or subdue crowds and riots is widespread. 

Tear gas agents include ethylbromoacetate, the first chemical police ordnance, used in Paris bromobenzylcyanide, the strongest lachrymator and 

Self-defense spray is sold in small aerosols and other devices for self-defense. The chemical agent employed is often capsaicin (404-86-4), the oleoresin extracted from cayenne peppers Capisicum annum), hence pepper spray. Aerosol products contain 10 to 15% capsaicin. It is an inflammatory which causes temporary blindness and restricted breathing for up to 45 minutes. Self-defense sprays may come as key rings, or be disguised as flashlights or fountain pens, and be used against wildlife in addition to human offenders. Mace is also used in some self-defense sprays. 

see Terminology, Gas, p.239 Grenades, see Ammunition, p.8 Irritating material, see Toxic Substances and Division 6.1, p.255 

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