UDIT KR DIXIT
kharagpur
The chemical substance that used to produce
physiological immobilization in war
 High toxicity
 Imperceptibility to senses
 Rapidity of action after dissemination and
 Persistency
 Tactical classification
 Chemical classification
 Physiological classification
Classified on the basis of persistency after
dissemination and its volatility:
 Persistent agents: (H,G & V agents)
 Non-persistent agents: (Phosgene at normal
temperature)
 Semi-persistent agents: (Some G agents)
TACTICAL CLASSIFICATION
Classified on the basis of structural
behaviour:
 Organophosphorus compounds
 Organosulphur compounds
 Organofluorine compounds
 Arsenicals
CHEMICAL CLASSIFICATION
Classified on the basis of physiological
effects produced by them:
 Lung injurants: Chlorine, phosgene
 Blood poisons: Hydrogen cyanide,
cyanogen chloride
 Irritants: CS, CR & CN
 Vesicants: Mustards and Lewisites
PHYSIOLOGICAL CLASSIFICATION
 Nerve agents: G & V agents
 Psycho chemicals: LSD & BZ
 Lethal toxins: Tricothecenes, Ricin
 Defoliants: Calcium cyanamide,
Aminotriazol
PHYSIOLOGICAL CLASSIFICATION
NERVE (G) AGENTS
SARIN
(GB)
SOMAN
(GD)
TABUN
(GA)
VX
 Organophosphorus compounds
 Most toxic of the known CW agents
 Available in liquid and vapor states
 Can cause death within minutes after exposure
 Affects on central nerves system
NERVE AGENTS
BLISTERING AGENTS
SULFUR MUSTARS NITROGEN MUSTARD LEWISITE
 Produce skin injuries
 Affect upper respiratory tract as well lungs &
produce pulmonary edema
 Available in liquid state
BLISTERING AGENTS
BLOOD AGENTS
Hydrogen cyanide Cyanogen chloride
 Interfere with cell respiration
 Available in vapor state
 Non persistent
BLOOD AGENTS
CHOCKING AGENTS
Phosgene Diphosgene
 Injure respiratory tract
 Also be called as lung damaging agents
 Available in vapor state
CHOCKING AGENTS
PSYCHOCHEMICALS
LSD-25 MESCALINE BENZILATELEWISITE
 Affect the mental state of the individual
 Available in solid state
PSYCHOCHEMICALS
IRRITANTS
CN CS CR
 Disseminate as an aerosol
 Causes instant pain in eyes, flow of tears and
irritation of skin
 Available in solid state
IRRITANTS
 Available in solid state
 Used for destruction of crops or natural
vegetation
DEFOLIANTS
Chemical warfare agents

Chemical warfare agents