Nerve Agents
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NERVE AGENTS
GA (Tabum)
GA (Tabum)
Respiratory lCt50 (mild): 85mg-min/m³
Respiratory lCt50 (severe): 110mg-min/m³
300mg-min/m³ for resting person
1-10 minutes to effect
Respiratory LCT50: 400mg-min/m³
10-15 minutes to effect
Percutaneous LD50: 1 to 1.5 mg per person
Rate of detoxification: Low, essentially cumulative
GA (Tabum)
Agent Persistency Information (in hours)
GA (Tabum)
Chemical and Physical Properties
GA (Tabum)
Other Data
GA (Sarin)
Nerve agent
Primary usage: Quick-action casualty agent
Enters body primarily through respiratory tract, but also can enter through skin and digestive trace
Symptoms: Difficulty breathing, drooling, sweating, nausea, vomiting, cramps, jerking, staggering, involuntary defecation and urination, twitching, headache, confusion, drowsiness, coma, convulsions, death
Treatment: Use of nerve agent antidote (atropine and 2-PAM chloride); pretreatment with pyridostigmine bromide (PB) increase survivability when antidote is used after exposure
GB (Sarin)
Threshold eye effects 1mg-min/m³
Respiratory lCt50 (mild): 15mg-min/m³
1-10 minutes to effect
Respiratory lCt50 : 55mg-min/m³
Respiratory LCT50: 100mg-min/m³ for resting person
2-15 minutes to effect
Percutaneous lCt50: 8,000mg-min/m³
Percutaneous LD50: 12,000mg-min/m³
2-15 minutes to effect
Rate of detoxification: Low, essentially cumulative
GB (Sarin)
C F
-30 -22
-20 -4
-10 14
0 32
10 50
20 68
30 86
40 104
50 122
55 131
GB (Sarin)
Physical state: Colorless liquid
Odor: Almost none when pure
Boiling point: 220° to 246°c at 760 mm HG
Freezing point: -56 °C
Flash point: Nonflammable
Heat of vaporization: 80 cal/g
Volatility: 22,000 mg/m³ at 25°C
Decomposition temp: Complete decomposition after 2 1/2 hours at 150°C
Stability in storage: Fairly stable in steel containers at 65°. Stability improves with increasing purity
Molecular weight: 162.13
GB (Sarin)
Means of detection in the field:
– M18A2, M256A1 and M8A1 alarms
– M8 and M9 paper
Protection required: MOPP 4
– Clothing gives off G-agents for approximately 30 minutes after contact with
vapor
Decontamination:
– Flush eyes with vapor immediately
– Use M258A1, M258 or M291 skin decontaminating kit for liquid agent
– Decontaminate equipment using calcium hypochlorite (HTH),
Super tropical bleach (STB), household bleach, caustic soda, dilute alkali
solutions, or decontaminating solution number 2 (DS2)
– Use steam and ammonia or hot soapy water in confined area
GD (Soman)
Nerve agent
Primary usage: Quick-action casualty agent
Enters body primarily through respiratory tract, but also can enter through skin and digestive trace
Symptoms: Difficulty breathing, drooling, sweating, nausea, vomiting, cramps, jerking, staggering, involuntary defecation and urination, twitching, headache, confusion, drowsiness, coma, convulsions, death
Treatment: Use of nerve agent antidote (atropine and 2-PAM chloride); pretreatment with pyridostigmine bromide (PB) increase survivability when antidote is used after exposure to nerve agent; after a few minutes antidotes are not as effective for GD poisoning as they are for other nerve agents
GD (Soman)
Threshold eye effects 0.16mg-min/m³
Respiratory lCt50 : 25mg-min/m³
1-10 minutes to effect
Respiratory LCt50 : 70mg-min/m³
1-15 minutes to effect
Percutaneous LCt50: 10,000mg-min/m³
Rate of detoxification: Low, essentially cumulative
GD (Soman)
C F
-30 -22
-20 -4
-10 14
0 32
10 50
20 68
30 86
40 104
50 122
55 131
GD (Soman)
(U) Thickened GD is mainly a vapor hazard, although GD forms large droplets that provide a greater concentration reaching the ground and a greater contact hazard than the from which have not thickened
GD (Soman)
Physical state: Colorless liquid
Odor: Fruity, camaphor when impure
Boiling point: 198° at 760 mm HG
Freezing point: -42 °C
Flash point: N/A
Heat of vaporization: 72.4 cal/g
Volatility: 3,900 mg/m³ at 25°C
Decomposition temp: Stabalized-200hrs@130°C Unstabalized-4hrs@130°C
Stability in storage: Less stable than GA or GB
Molecular weight: 182.178
GD (Soman)
Means of detection in the field:
– M18A2, M256A1 and M8A1 alarms
– M8 and M9 paper
Protection required: MOPP 4
– Clothing gives off G-agents for approximately 30 minutes after contact with
vapor
Decontamination:
– Flush eyes with vapor immediately
– Use M258A1, M258 or M291 skin decontaminating kit for liquid agent
– Decontaminate equipment using calcium hypochlorite (HTH),
Super tropical bleach (STB), household bleach, caustic soda, dilute alkali
solutions, or decontaminating solution number 2 (DS2)
– Use steam and ammonia or hot soapy water in confined area
GF
Nerve agent
Primary usage: Quick-action casualty agent
Enters body primarily through respiratory tract, but also can enter through skin and digestive trace
Symptoms: Difficulty breathing, drooling, sweating, nausea, vomiting, cramps, jerking, staggering, involuntary defecation and urination, twitching, headache, confusion, drowsiness, coma, convulsions, death
Treatment: Use of nerve agent antidote (atropine and 2-PAM chloride); pretreatment with pyridostigmine bromide (PB) increase survivability when antidote is used after exposure
GF
Respiratory lCt50 : 20mg-min/m³
Respiratory LCt50 : 75mg-min/m³
Percutaneous lCt50: 7,5000mg-min/m
Percutaneous LCt50: 15,000mg-min/m³
Rate of detoxification: Low
GF
C F
-30 -22
-20 -4
-10 14
0 32
10 50
20 68
30 86
40 104
50 122
55 131
GF
Physical state: Liquid
Odor: Sweet, musty, peaches
Boiling point: 239° at 760 mm HG
Freezing point: -30 °C
Flash point: 94°
Heat of vaporization: 90.5 cal/g
Volatility: 438 mg/m³ at 25°C
Stability in storage: Stable in steel at normal temps.
Molecular weight: 180.2
GF
Means of detection in the field:
– M18A2, M256A1 and M8A1 alarms
– M8 and M9 paper
Protection required: MOPP 4
– Clothing gives off G-agents for approximately 30 minutes after contact with
vapor
Decontamination:
– Flush eyes with vapor immediately
– Use M258A1, M258 or M291 skin decontaminating kit for liquid agent
– Decontaminate equipment using calcium hypochlorite (HTH),
Super tropical bleach (STB), household bleach, caustic soda, dilute alkali
solutions, or decontaminating solution number 2 (DS2)
– Use steam and ammonia or hot soapy water in confined area
VX
Nerve Agent
Primary Usage: Quick-action casualty agent
Enters body primarily through skin, but can also enter through skin and respiratory tract and digestive tract. VX has low volatility, and liquid droplets on the skin do not evaporate, thereby increasing absorption. VX by percutaneous route is estimated to be more than 100 times as toxic as GB, VX by inhalation is estimated to be twice as toxic as GB
Symptoms: Difficulty breathing, drooling, nausea, vomiting, cramps,. Involuntary defecation and urination, twitching, jerking, staggering, headache, confusion, drowsiness, coma, convulsions, death
Treatment: Use of nerve agent antidote (atropine and 2-PAM chloride); pretreatment with pyridostigmine bromide (PB) increase survivability when antidote is used after exposure to nerve agent
VX
Threshold eye effects: 0.04mg-min/m³
Respiratory lCt50 : 50 mg-min/m³
1-10 minutes to effect
Respiratory LCt50: 100mg-min/m³
4-10 mins to effect
Percutaneous LCt50: 115mg-min/m³
Rate of detoxification: Low, essentially cumulative
VX
C F
-30 -22
-20 -4
-10 14
0 32
10 50
20 68
30 86
40 104
50 122
55 131
VX
Physical state: Amber colored, oily
Odor: None
Boiling point: 298° at 760 mm HG
Freezing point: -39 °C
Flash point: 159°C
Heat of vaporization: 78.2 cal/g
Volatility: 10.5 mg/m³ at 25°C
Decomposition temp: Half life-36hrs@150°C 1.6hours@200°C
4min@250°C
36sec@295°C
Stability in storage: Relatively stable
Molecular weight: 267.38
VX
Means of detection in the field:
– M18A2, M256A1 and M8A1 alarms
– M8 and M9 paper
Protection required: MOPP 4
– Clothing gives off G-agents for approximately 30 minutes after contact with
vapor
Decontamination:
– Flush eyes with vapor immediately
– Use M258A1, M258 or M291 skin decontaminating kit for liquid agent
– Decontaminate individual equipment with M280 individual equipment decontamination kit
V�³
Nerve Agent
Primary Usage: Quick-action casualty agent
Enters body primarily through respiratory tract, but can also enter through skin and digestive track
Symptoms: Difficulty breathing, drooling, nausea, vomiting, cramps,. Involuntary defecation and urination, twitching, jerking, staggering, headache, confusion, drowsiness, coma, convulsions, death
Treatment: Use of nerve agent antidote (atropine and 2-PAM chloride); pretreatment with pyridostigmine bromide (PB) increase survivability when antidote is used after exposure to nerve agent
V�³
Rate of detoxification: Low, essentially cumulative
Eye toxicity: Extremely toxic
Skin toxicity: Extremely toxic by skin absorption
does not injure skin but rapidly
penetrates
Time to effect: Rapid
V�³
Physical state: Amber colored, oily liquid
Odor: None
Boiling point: 256° at 760 mm HG
Heat of vaporization: 67.2 cal/g
Volatility: 75.5 mg/m³ at 25°C
Molecular weight: 211.2
VX
Means of detection in the field:
– M18A2, M256A1 and M8A1 alarms
– M8 and M9 paper
Protection required: MOPP 4
– Clothing gives off G-agents for approximately 30 minutes after contact with
vapor
Decontamination:
– Flush eyes with vapor immediately
– Use M258A1, M258 or M291 skin decontaminating kit for liquid agent
– Decontaminate individual equipment with M280 individual equipment decontamination kit
BLISTER AGENTS
(VESICANTS)
H (Sulfur Mustard)
Blister agent
Primary usage: Delayed-action casualty agent
Enters body primarily through skin, respiratory tract and digestive tract. H damages any tissue it contacts: severity directly relates to the concentration of the agent and the duration of contact with skin
Symptoms: Inflammation of the eyes, inflammation of the nose, throat, trachea, bronchi, and lung tissue; redness of the skin, blister or ulceration; more “at ease” attitude, vomitting; and fever, beginning about same time as skin reddening
H (Sulfur Mustard)
Eye injury (ECt50) 100-200mg-min/m³
Respiratory lCt50 : 200mg-min/m³
4-6 hours to effect
Respiratory LCt50 : 1500mg-min/m³
4-24 hours to effect
COOL/DRY SUBJECT
Percutaneous lCt50: 10,000mg-min/m
Percutaneous LCt50: 10,000mg-min/m³
HOT/WET SUBJECT
Percutaneous lCt50: 150 mg-min/m³
Percutaneous LCt50: 10,000 mg-min/m³
Rate of detoxification Very low; even very small, repeated exposures oh HD are cumulative in their effect
H (Sulfur Mustard)
Physical state: Oily, colorless to amber liquid
Odor: Garlic or horseradish smell
Boiling point: 227.8° at 760 mm HG
Freezing point: 14.45 °C
Flash point: 105°C
Heat of vaporization: 94 cal/g
Volatility: 610 mg/m³ at 25°C
Decomposition temp: 149°C to 177°C
Stability in storage: Stable in steel or aluminum cont.
Molecular weight: 159.08
H (Sulfur Mustard)
Means of detection in the field:
– M18A2, M256A1 and M8A1 alarms
– M8 and M9 paper
Protection required: MOPP 4
Decontamination:
– STB, fire, or DS2
– Use M258A1, M258 or M291 skin decontaminating kit for liquid agent
– Decontaminate individual equipment with M280 individual equipment decontamination kit
HD (Distilled Mustard)
Blister agent
Primary usage: Delayed-action casualty agent
Enters body primarily through skin, respiratory tract and digestive tract. H damages any tissue it contacts: severity directly relates to the concentration of the agent and the duration of contact with skin
Symptoms: Inflammation of the eyes, inflammation of the nose, throat, trachea, bronchi, and lung tissue; redness of the skin, blister or ulceration; more “at ease” attitude, vomitting; and fever, beginning about same time as skin reddening
HD (Distilled Mustard)
Eye injury (ECt50) 100-200mg-min/m³
Respiratory lCt50 : 200mg-min/m³
4-6 hours to effect
Respiratory LCt50 : 1500mg-min/m³
4-24 hours to effect
Percutaneous LCt50: 1,500mg-min/m³
4-24 hours to effect
Rate of detoxification Very low; even very small, repeated exposures oh HD are cumulative in their effect
HD (Distilled Mustard)
Sandy terrain Grassy terrain
** **
** **
** **
** **
12 4.8
6.33 2.53
2.8 1.12
2 0.8
1 0.4
1 0.40
HD (Distilled Mustard)
Physical state: Oily, colorless to amber liquid
Odor: Garlic or horseradish smell
Boiling point: 227.8° at 760 mm HG
Freezing point: 14.45 °C
Flash point: 105°C
Heat of vaporization: 94 cal/g
Volatility: 610 mg/m³ at 25°C
Decomposition temp: 149°C to 177°C
Stability in storage: Stable in steel or aluminum cont.
Molecular weight: 159.08
HD (Distilled Mustard)
Means of detection in the field:
– M18A2, M256A1 and M8A1 alarms
– M8 and M9 paper
Protection required: MOPP 4
Decontamination:
– STB, fire, or DS2
– Use M258A1, M258 or M291 skin decontaminating kit for liquid agent
– Decontaminate individual equipment with M280 individual equipment decontamination kit
HN-1 (Nitrogen Mustard)
Blister agent
Primary usage: Delayed-action casualty agent
Enters body primarily through skin, respiratory tract and digestive tract. H damages any tissue it contacts: severity directly relates to the concentration of the agent and the duration of contact with skin
Symptoms: Redness of the skin, causing irritation and itching, blisters in red area, irritation of the nose and throat, hoarseness progressing to loss of voice, persistent cough , fever, labored breathing, bronchial pneumonia after 24 hours; severe diarrhea ; nausea; vomiting
HN-1 (Nitrogen Mustard)
Eye injury (lct50) 200mg-min/m³
Respiratory LCt50 1500mg-min/m³
Vapor lCt50 9000mg-min/m³
Vapor LCt50: 20,000 mg-min/m³
Rate of detoxification Not detoxified; cumulative
HN-1 (Nitrogen Mustard)
Physical state: Oily, colorless to yellow
Odor: Garlic or horseradish smell
Boiling point: 194° at 760 mm HG
Freezing point: -34 °C
Flash point: N/A
Heat of vaporization: 77 cal/g
Volatility: 127 mg/m³ at -10°C
Decomposition temp: Decomposes before boiling
Stability in storage: Adequate for use in munitions.
Molecular weight: 170.08
HN-1 (Nitrogen Mustard)
Means of detection in the field:
– M18A2, M256A1 and M8A1 alarms
– M8 and M9 paper
Protection required: MOPP 4
– Clothing gives off G-agents for approximately 30 minutes after contact with vapor
Decontamination:
– STB, fire, or DS2
– Use M258A1, M258 or M291 skin decontaminating kit for liquid agent
– Decontaminate individual equipment with M280 individual equipment decontamination kit
HN-2 (Nitrogen Mustard)
Blister agent
Primary usage: Delayed-action casualty agent
Enters body primarily through skin, respiratory tract and digestive tract. H damages any tissue it contacts: severity directly relates to the concentration of the agent and the duration of contact with skin
Symptoms: Redness of the skin, causing irritation and itching, blisters in red area, irritation of the nose and throat, hoarseness progressing to loss of voice, persistent cough , fever, labored breathing, bronchial pneumonia after 24 hours; severe diarrhea ; nausea; vomiting
HN-2 (Nitrogen Mustard)
Respiratory LCt50 : 3000mg-min/m³
Vapor ICt50: 2,500 – 9,000mg-min/m³
Rate of detoxification: Not detoxified; cumulative
HN-2 (Nitrogen Mustard)
Physical state: Dark liquid
Odor: Fruity, soft soap
Boiling point: 75° at 760 mm HG
Freezing point: 65-60 °C
Flash point: N/A
Heat of vaporization: 78.8 cal/g
Volatility: 3,580 mg/m³ at 25°C
Decomposition temp: N/A
Stability in storage: Not stable
Molecular weight: 156.07
HN-2 (Nitrogen Mustard)
Means of detection in the field:
– M18A2, M256A1 and M8A1 alarms
– M8 and M9 paper
Protection required: MOPP 4
Decontamination:
– STB, fire, or DS2
– Use M258A1, M258 or M291 skin decontaminating kit for liquid agent
– Decontaminate individual equipment with M280 individual equipment decontamination kit
HN-3 (Nitrogen Mustard)
Blister agent
Primary usage: Delayed-action casualty agent
Enters body primarily through skin, respiratory tract and digestive tract. H damages any tissue it contacts: severity directly relates to the concentration of the agent and the duration of contact with skin
Symptoms: Redness of the skin, causing irritation and itching, blisters in red area, irritation of the nose and throat, hoarseness progressing to loss of voice, persistent cough , fever, labored breathing, bronchial pneumonia after 24 hours; severe diarrhea ; nausea; vomiting
HN-3 (Nitrogen Mustard)
Respiratory LCt50 : 1500mg-min/m³
Percutaneous ICt50: 2,500mg-min/m³
Percutaneous LCt50: 10,000mg-min/m³
Rate of detoxification: Not detoxified; cumulative
HN-3 (Nitrogen Mustard)
Physical state: Oily liquid
Odor: None when pure
Boiling point: 256° at 760 mm HG
Freezing point: -3.7 °C
Flash point: N/A
Heat of vaporization: 74 cal/g
Volatility: 13 mg/m³ at 0°C
Decomposition temp: N/A
Stability in storage: Stable for bomb use..
Molecular weight: 204.54
HN-3 (Nitrogen Mustard)
Means of detection in the field:
– M18A2, M256A1 and M8A1 alarms
– M8 and M9 paper
Protection required: MOPP 4
Decontamination:
– STB, fire, or DS2
– Use M258A1, M258 or M291 skin decontaminating kit for liquid agent
– Decontaminate individual equipment with M280 individual equipment decontamination kit
Mustard-T Mixture (HT)
Blister agent
Primary usage: Delayed-action casualty agent
Enters body primarily through skin, respiratory tract and digestive tract. H damages any tissue it contacts: severity directly relates to the concentration of the agent and the duration of contact with skin
Symptoms: Redness of the skin, causing irritation and itching, blisters in red area, irritation of the nose and throat, hoarseness progressing to loss of voice, persistent cough , fever, labored breathing, bronchial pneumonia after 24 hours; severe diarrhea ; nausea; vomiting
Mustard-T Mixture (HT)
Eye Injury ECt50 : 100-200mg-min/m³
Respiratory LCt50: 200mg-min/m³
Rate of detoxification: Very low; evern very small, repeated exposures are cumaltive in their effects however
Mustard-T Mixture (HT)
Physical state: Clear, yellowish, highy viscous
Odor: Garlic or horseradish smell
Boiling point: 228° at 760 mm HG
Freezing point: 0.0 to 1.3 °C for 60:40 mixture
Flash point: 105°C
Heat of vaporization: N/A
Volatility: 831 mg/m³ at 185°C
Decomposition temp: 165°C to 185°C
Stability in storage: Pressure develops in steel
Molecular weight: 189.4
Mustard-T Mixture (HT)
Means of detection in the field:
– M18A2, M256A1 and M8A1 alarms
– M8 and M9 paper
Protection required: MOPP 4
Decontamination:
– STB, fire, or DS2, HTH, household bleach
– Use M258A1, M258 or M291 skin decontaminating kit for liquid agent
– Decontaminate individual equipment with M280 individual equipment decontamination kit
L (Lewisite)
Blister agent
Primary usage: Delayed-action casualty agent
Enters body primarily through skin, respiratory tract and digestive tract. H damages any tissue it contacts: severity directly relates to the concentration of the agent and the duration of contact with skin
Symptoms: Immediate burning sensation in the eyes; permanent loss of sight if not decontaminated with3 minutes with large amounts of water; immediate and strong stinging sensation to the skin; reddening of the skin starts with in 30 minutes; blistering does not appear until after about 13 hours; skins burns are mush deeper than those caused by HD
L (Lewisite)
Eyes effects (ED) : 300mg-min/m³ very susceptible to low concentrations; 1,500mg-min/m³ produces severe and probably permanent corneal damage to the eyes.
Respiratory lCt50: 1,200-1,500mg-min/m³
Percutaneous ICt50: +1,500mg-min/m³
Percutaneous LCt50: 100,000mg-min/m³
Rate of detoxification: None
L (Lewisite)
Physical state: Colorless to brown
Odor: Like geraniums, little odor when pure
Boiling point: 190°C at 760 mm HG
Freezing point: 18°- 0.1C
Flash point: None
Heat of vaporization: 58 cal/g
Volatility: 1060 mg/m³ at 0°C, 4,480 mg/m³ at 20°C, 8,620 mg/m³ at 30°C
Decomposition temp: Above 100°C
Stability in storage: Stable in steel or glass containers
Molecular weight: 207.35
L (Lewisite)
Means of detection in the field:
– M18A2, M256A1 and M8A1 alarms
Protection required: MOPP 4
Decontamination:
– STB, fire, or DS2, HTH, household bleach
– Use M258A1, M258 or M291 skin decontaminating kit for liquid agent
– Decontaminate individual equipment with M280 individual equipment decontamination kit
Mustard-Lewisite Mixture (HL)
Blister agent
Primary usage: Delayed-action casualty agent
Enters body primarily through skin, respiratory tract and digestive tract. H damages any tissue it contacts: severity directly relates to the concentration of the agent and the duration of contact with skin
Symptoms: Immediate stinging sensation in the skin; reddening of the skin starts with in 30 minutes; blistering does not appear until after about 13 hours; skins burns are mush deeper than those caused by HD; fluid in chest cavity and lungs; increase papillary permeability which causes shock and death because of loss of fluid from the bloodstream
Mustard-Lewisite Mixture (HL)
LCt50 (Respiratory): 1,500mg-min/m³
LCt50 (Percutaneous):: 10,000mg-min/m³
ICt50 (eye injury): 200mg-min/m³
Rate of detoxification: None
Eye and skin toxicity: Very high
Time to effect: Produces immediate stinging of the skin and redness within 30 minutes; blistering delayed about 3 hours
Mustard-Lewisite Mixture (HL)
Physical state: Liquid
Odor: Garlic like
Boiling point: Indefinite but below190°C at 760 mm HG
Freezing point: -42°C for plant purity HL -25.4°C when pure
Flash point: N/A
Heat of vaporization: Immediate between the heats of vaporization of the components
Volatility: 240 mg/m³ at -11°C, 2,730 mg/m³ at 20°C, 10,270 mg/m³ at 30°C
Decomposition temp: Above 100°C
Stability in storage: Stable in laquered steel containers
Molecular weight: 186.4
Mustard-Lewisite Mixture (HL)
Means of detection in the field:
– M18A2, M256A1 and M8A1 alarms
– M8 and M9 paper
Protection required: MOPP 4
Decontamination:
– STB, fire, or DS2, or caustic soda
– Use M258A1, M258 or M291 skin decontaminating kit for liquid agent on the skin
– Decontaminate individual equipment with M280 individual equipment decontamination kit
CHOKING AGENTS
Phosgene Oxime (CX)
Choking agent
Primary usage: Rapid acting casualty agent
Enters body through respiratory tract
Symptoms: Immediate severe burning sensation; intense pain; feeling of numbness; swelling; immediate pain varying from mild prickling to almost intolerable pain resembling a severe bee sting; violent irritation to mucous membranes of eyes and nose, skins becomes pale and red rings surron the area; wheal forms in about 30 minutes; blanched area turns brown in about 24 hours; scabs form in about a week; scab usually falls off about three weeks later; healing can take longer than two months
Phosgene Oxime (CX)
Respiratory irritation threshold: 1mg-min/m³
Unbearable respiratory irritation: 3mg-min/m³
Respiratory LCt50: 3,200mg-min/m³
Rate of detoxification: Unknown
Phosgene Oxime (CX)
Physical state: Liquid above 39°C solid below 35°C
Odor: Intense, penetrating, disagreeable, and violently irritating
Boiling point: 129°C at 760 mm HG(with decomposition)
Freezing point: 35°- 40°C
Flash point: N/A
Heat of vaporization: 101 cal/g at 40°C
Volatility: 1,800 mg/m³ at 20°C, 76,0000 mg/m³ at 40°C,
Decomposition temp: Below 128°C
Stability in storage: Extremely unstable in presence of traces of metal or other impurities, even traces of iron chloride may cause explosion. Pure material is stable only for one to two months in glass vessels at 20°C, and is most stable in aromatic solvents
Molecular weight: 113.9
Phosgene Oxime (CX)
Means of detection in the field:
– M18A2, M256A1 and M8 alarms
Protection required: MOPP 4
Decontamination:
– Use large amounts of water
– Because of the rapid reaction of CX with the skin, decontamination will not be effective after pain occurs
– Nevertheless, decontaminate as rapidly as posible by flushing the area with large amounts of water to remove any agent that has not reacted with the skin
Phosgene (CG)
Choking agent
Primary usage: Delayed -action casualty agent
Enters body through respiratory tract
Very small dosages of phosgene are extremely corrosive to lung tissue
Symptoms: Initially only minor irritation to the eyes and throat; after latent period of 4-8 hours, discoloration of the lips, break out in a cold, sticky, sweat, long lasting lesions on lung, quantities of fluid escape from bloodstream into lungs, literally drowning the victim who dies from a lack of oxygen
Phosgene (CG)
lCt50: 1,600 mg-min/m³
3-12 hours to effect during which time lungs are filling with fluid)
LCt50: 3,200mg-min/m³
3-24 hours to effect (during which time lungs are filling with liquid)
Rate of detoxification: Not detoxified, cumulative
Phosgene (CG)
Physical state: Colorless gas
Odor: New mown grass or hay
Boiling point: 7.6°C at 760 mm
Freezing point: -128°C
Flash point: N/A
Heat of vaporization: 59 cal/g at
Volatility: 4,300,000 mg/m³ at 7.6°C, 2,200,000mg/m³ at -10°C, 528,000mg/m³ at -40°C,
Decomposition temp: 800°C
Stability in storage: Stable in steel containers if CG is dry
Molecular weight: 98.92
Phosgene (CG)
Means of detection in the field:
– M18A2
Protection required: Protective mask
Decontamination:
– Confined areas, aeration
– Not required in the field
Persistency
-Short; vapor may persist for some time in low places under calm or light winds and stable atmospheric conditions ( approximately 30 minutes in summer; and 3 hours at -20 degrees
Diphosgene (DP)
Choking agent
Primary usage: Delayed-action casualty
Enters primarily through respiratory tract
Symptoms: Initially only minor irritation to eyes and throat; after latent period of 4-8 hours, discoloration of the lips, breaking out in a cold, sticky sweat, systemic damage, especially to liver and kidneys, long lasting lesions on lungs develop, quantities of fluid escape from bloodstream into lungs, literally drowning the victim who dies from a lack of oxygen.
Those who survive may suffer trauma and suddenly expire, or they may suffer after effects in the following years
Diphosgene (DP)
lCt50: 1,600mg-min/m³
3-12 hours to effect (during which lungs are filling up with fluid)
LCt50: 3,200mg-min/m³
3-24 hours to effect (during which lungs are filling with fluid)
Detoxification Rate: Not detoxified, cumulative
Diphosgene (DP)
Physical state: Colorless gas
Odor: New-mown hay, grass, corn
Boiling point: 127°C at 760 mm HG
Freezing point: 57°
Volatility: 12,000 mg/m³ at 0°C, 45,0000 mg/m³ at 20°C, 270,000 mg/m³ at 51.7 °C
Decomposition temp: 300°C
Stability in storage: Only stable in glass
Molecular weight: 197.85
Diphosgene (DP)
Means of detection in the field:
– M18A2, Odor
Protection required:
-Protective mask
Decontamination:
– Confined areas, aeration
– Not required in the field
Persistency
-Short; vapor may persist for some time in low places under calm or light winds and stable atmospheric conditions ( approximately 30 minutes in summer; and 3 hours at -20 degrees
Arsine (SA)
Choking agent
Primary usage: Delayed-action casualty agent
Enters body primarily through respiratory tract
Symptoms: Headache; uneasiness; chills; nausea; vomiting; damages blood, causing anemia
SA is a carcinogen
Arsine (SA)
lCt50: 2,500 mg-min/m³
Effects are delayed from 2 hours as to much as 11 days
LCt50: 5,000 mg-min/m³
Estimated that 2mg of SA per kilogram of body weight would be lethal to humans
Detoxification Rate: Not rapid enough to be of importance
Arsine (SA)
Physical state: Colorless gas
Odor: Mild, garlic like
Boiling point: -62.5°C at 760 mm HG
Freezing point: -116°
Volatility: 20,900,000mg/m³ at 0°C, highest volatility found amongst compounds considered for tactical use as c chemical agents
Decomposition temp: 280°C
Stability in storage: Unstable in uncoated metal containers
Molecular weight: 77.93
Arsine (SA)
Means of detection in the field:
– M18A2, Odor
Protection required:
-Protective mask
Decontamination:
– Not required
Persistency
-Extremely short
BLOOD AGENTS
AC (Hydrogen Cyanide)
Primary usage: Quick action casualty agent suitable for surprise attack
Enters body primarily through respiratory tract
Symptoms: Flushed skin, weakness, headaches, nausea, confusion, dizziness, unconsciousness, convulsions, violent contraction of blood vessels, severe shock, end to breathing
AC (Hydrogen Cyanide)
Vapor LCt50: 2,500 mg-min/m³
Respiratory LCt50: 5,000 mg-min/m³
30 seconds to 15 minutes till effect
Detoxification Rate: Low essentially cumulative
AC (Hydrogen Cyanide)
(U) Agent is widely available; can be readily synthesized in large quantities and is commercially available (some states use AC for capitol punishment)
(U) Fixed munitions should not be stored for period of time since an explosive polymer may form within the canister
AC (Hydrogen Cyanide)
Physical state: Colorless liquid;evaporates quickly
Odor: Bitter almonds or peach kernels
Boiling point: 25.7°C at 760 mm HG
Freezing point: -13.3°
Volatility: 1,080,000mg/m³ at 25°C, 441,000mg/m³ at 0 °C, 37,500mg/m³ at -40 °C
Decomposition temp: Above 65.5°C
Stability in storage: Unstable except when very pure, forms explosive polymer on long standing, will stabilize with addition of small amounts of phosphoric acid or sulfur dioxide
Molecular weight: 27.03
Heat of vaporization 2332 cal/g
AC (Hydrogen Cyanide)
Means of detection in the field:
– M18A2, M256, M256A1, and M8 Alarms
Protection required:
-Protective mask. Liquid AC can penetrate the skin, but because liquid AC is not likely to be encountered in the field, protective clothing is required only in unusual situations
Decontamination:
– None required under field conditions
Persistency
-Short; the agent is highly volatile, and in the gaseous state it dissipates quickly in the air
Antidotes/Treatments
-Thiosulfate or other substances that react with the blood may be of some use, but only if administered very soon after exposure
CK (Cyanogen Chloride)
Primary usage: Quick action casualty agent used for degradation of canisters or filter elements in protective mask
Enters body primarily through respiratory tract
Symptoms: Eye and respiratory irritation, weakness, headache, disorientation, nausea, vomiting, pinkness of skin, loss of consciousness, coma,end of respiration, and death in 15 minutes
CK (Cyanogen Chloride)
Median concentration
detectable by tearing: 12 mg/m³
Respiratory lCt50: 7,000 mg-min/m³
30 minutes toe 1 hour to effect
Respiratory LCt50: 11,00 mg-min/m³
1-15 minutes till effect
Detoxification Rate: Rapid
CK (Cyanogen Chloride)
Physical state: Colorless liquid;evaporates quickly
Odor: None
Boiling point: 25.7°C at 760 mm HG
Freezing point: -13.3°C
Volatility: 1,080,000mg/m³ at 25°C, 441,000mg/m³ at 0 °C, 37,500mg/m³ at -40 °C
Flash point: 18 °C
Decomposition temp: Above 65.5°C
Stability in storage: Stable at 65 °C for 30 days. Stabilized material can be stored up to 65°C. Will polymerize to form the solid cyanuric chloride which is corrosive. Impurities promotes polymerization; may explode
Molecular weight: 27.03
Heat of vaporization 2332 cal/g
CK (Cyanogen Chloride)
Means of detection in the field:
– M18A2, M256, M256A1, and M8 Alarms
Protection required:
-Protective mask. CK will break or penetrate a protective mask canister or filter element more readily than most other agents.
Decontamination:
– None required under field conditions
Persistency
-Short; the agent is highly volatile, and in the gaseous state it dissipates quickly in the air
Antidotes/Treatments
-Thiosulfate or other substances that react with the blood may be of some use, but only if administered very soon after exposure
INCAPACITATING AGENTS
BZ
Incapacitating agent
Primary usage: Delayed-action incapacitating agent
Enters body primarily through respiratory tract or digestive tract
Symptoms: Fast heartbeat, drk skin and lips, blurred near vision, flushed skin, urinary retention, constipation, sedation progression to stupor and interference with ordinary activity, extreme excitement, delusions, hallucinations, high doses completely destroy the ability to perform any military task, untreated casualty requires from three to four days to reach full recovery
BZ
LCt50: High estimated to be 200,000mg- min/m³
lCt50: 112mg-min/m³
Inhalation threshold dose: 2mg-min/m³ individual
Rate of detoxification: 36-45 hours
Time to effect: Delayed; usual onset of symptoms occur approximately two hours after aerosol exposure. Depending on inhaled or ingested dosage, symptoms, may appear at any time from 30 minutes to 20 hours after exposure, effects from skin contact may appear 36 hours later
BZ
Physical state: White, crystalline solid 20 °C
Odor: None
Boiling point: 320°C at 760 mm HG
Melting point: 164-167°C
Volatility: 1,080,000mg/m³ at 25°C, 441,000mg/m³ at 0 °C, 37,500mg/m³ at -40 °C
Flash point: 18 °C
Decomposition temp: 170 ° C
Stability in storage: Stable in most materials
Molecular weight: 337.41
Heat of vaporization 62 cal/g
BZ
Means of detection in the field:
– None.
Protection required:
-Protective mask.
Decontamination:
-Complete cleansing of the skin with soap and water at earliest opportunity
-If washing is not possible, use the M258A1, M258, or M291
-Decontaminate bulk quantities of BZ with caustic alcohol solutions
TEAR AGENTS
Bromobenzylcyanide (CA)
Tear agent
Primary usage: obsolete
Enters body primarily through respiratory tract
Symptoms: Burning sensation of the mucous membranes and severe irritation and tearing of the eyes with acute pain in the forehead
Bromobenzylcyanide (CA)
LCt50: Estimated 8,000 to 11, 2mg- min/m³
lCt50: About 30mg-min/m³
Minimum irritant concentration: 0.3mg-min/m³
Rate of detoxification: Rapidly detoxifies at the low concentrations ordinarily encountered
Eye and skin toxicity: Irritating; not toxic
Time to effect: Instantaneous
Bromobenzylcyanide (CA)
Physical state: Yellow solid or liquid
Odor: Sour or rotting fruit
Boiling point: 242°C at 760 mm HG
Melting point: 25.2°C
Volatility: 17mg/m³ at 0°C, 115mg/m³ at 20°C
271mg/m³ at -40 °C
Flash point: None
Decomposition temp: 60 ° C
Stability in storage: Stable in glass containers
Molecular weight: 196.0
Heat of vaporization 79.5 cal/g
Bromobenzylcyanide (CA)
Means of detection in the field:
– None.
Protection required:
-Protective mask.
Decontamination:
-Decontaminate clothing with steam or by boiling
-Twenty-percent alcoholic caustic soda is effective on material, but may damage it
-Porous surfaces, such as earth, they are very difficult to decontaminate
Persistency
-Depends on munitions used
-Heavily splashed liquid last one to two day under average conditions
Chloroactophenone (CN)
Tear agent
Primary usage: Training and riot control
Enters body primarily through respiratory tract
Symptoms: Burning sensation of the eyes and upper respiratory passages, tearing, tingling sensation, irritation, burning, and pain of the nose and throat, burning on tender areas of skin especially areas wet by perspiration
Chloroactophenone (CN)
LCt50: 7,000mg-min/m³
lCt50: 80mg-min/m³
Minimum irritant concentration: 0.3mg-min/m³
Rate of detoxification: Rapidly effects disapper in minutes
Eye and skin toxicity: Irritating; not toxic
Time to effect: Instantaneous
Chloroactophenone (CN)
Physical state: Solid powder
Odor: Fragrant similar to apples
Boiling point: 248°C at 760 mm HG
Melting point: 54°C
Volatility: 17mg/m³ at 0°C, 115mg/m³ at 20°C
271mg/m³ at -40 °C
Flash point: None
Decomposition temp: Stoable to boiling point
Stability in storage: Stable
Molecular weight: 154.59
Heat of vaporization 98 cal/g
Chloroactophenone (CN)
Means of detection in the field:
– None.
Protection required:
-Protective mask.
Decontamination:
-Aeration in field
-Strong soda ash solution or alcoholic caustic soda in enclosed areas
-Porous surfaces, such as earth, they are very difficult to decontaminate
Persistency
-Short, because the compound is disseminated as an aerosol
O-Chlorobenzylidene Malononitrile (CS)
Tear agent
Primary usage: obsolete
Enters body primarily through respiratory tract
Symptoms: Extreme burning of the eyes accompanied by copious flow of tears, coughing, difficulty in breathing, tightness of the chest, involuntary closing of the eyes, stinging or burning on moist skin, heavy mucous formation in the nose with sinus and nasal drip, dizziness, nausea, vomiting, severe skin irritation and blistering
O-Chlorobenzylidene Malononitrile (CS)
LCt50: 61,000 mg-min/m³
lCt50: 10 to 20 mg-min/m³
Eye Effects: 1 to 5 mg-min/m³
Rate of detoxification: quite rapid; 5-10 minutes
Eye and skin toxicity: Irritating; not toxic
Time to effect: Very rapid (max effect in 20-60 seconds)
O-Chlorobenzylidene Malononitrile (CS)
Physical state: Solid, powder or liquid
Odor: Pungent, pepper like
Boiling point: 315°C at 760 mm HG
Melting point: 95°C
Volatility: 0.71mg/m³ at 0°C
Flash point: 197° C
Decomposition temp: Unknown
Stability in storage: Stable
Molecular weight: 188.50
Heat of vaporization 53.6 cal/g
O-Chlorobenzylidene Malononitrile (CS)
Means of detection in the field:
– None.
Protection required:
-Protective mask. and field clothing secured at the neck, wrist and ankles
Decontamination:
-Affected personnel should move to an uncontaminated area and face the wind
-Use soap and water on contaminated equipment
Persistency
-Varies depending upon amount of contamination and form of CS
-Aerosol has little residual hazard
Chloropictrin (PS)
Tear agent
Primary usage: Not authorized for military use
Enters body primarily through respiratory tract
Symptoms: Nose and throat irritation, coughing, vomiting; tearing; lung damage, severe skin burns, blisters lesions
Chloropictrin (PS)
lCt50: 2,000mg-min/m³
Minimum irritant concentration: 9mg-min/m³ for ten min.
Eye and skin toxicity: Irritating; not toxic
Time to effect: Very rapid
Chloropictrin (PS)
Physical state: Colorless, oily liquid
Odor: Stinging pungent odor
Boiling point: 112°C at 760 mm HG
Melting point: 25.2°C
Volatility: 165,000mg/m³
Flash point: Not flammable
Decomposition temp: Above 400 ° C
Stability in storage: Unstable liquid
Molecular weight: 196.0
Heat of vaporization 79.5 cal/g
Chloropictrin (PS)
Means of detection in the field:
– None.
Protection required:
-Protective mask.
Decontamination:
-Neutral or slightly basic solutions with sulfides such as sodium sulfide
-Do not use acidic solutions for decontamination; acids reduce PS or CX, a blister agent
Persistency
-Approximately 6 hours in vegetated fields
Dibenz-(b,f)-1,4-oxazepine(CR)
Tear agent
Primary usage: Riot control agent dispersed as spray
Enters body primarily through respiratory tract
Symptoms: Immediate and sever stinging of the sin, eyes, nose, and throat, eye pain, discomfort, and excessive tearing, painful sensitivity, to strong light or temporary blindness, nasal irritation , coughing, sneezing, nasal drip, sting or burning sensation with increased irritation on moist skin, nausea and vomiting
Dibenz-(b,f)-1,4-oxazepine(CR)
lCt50: 0.5mg-min/m³
Threshold effects: 0.002mg-min/m³ (respiratory tract)
0.004mg-min/m³ (eyes)
Rate of detoxification: 15 to 30 minutes after removal
Eye effects up to 6 hours
Eye and skin toxicity: Irritating; not toxic
Time to effect: Very rapid
Dibenz-(b,f)-1,4-oxazepine(CR)
Physical state: Yellow powder in solution
Odor: Burning sensation
Boiling point: 335°C at 760 mm HG
Freezing point: 72°C
Volatility: 0.63mg/m³ at 0°C,
Flash point: 188° C
Decomposition temp: 60 ° C
Stability in storage: Stable in aqueous, heated acidid and strong alkali solutions
Molecular weight: 192.25
Dibenz-(b,f)-1,4-oxazepine(CR)
Means of detection in the field:
– None.
Protection required:
-Protective mask. and field clothing secured at wrist, neck, and ankles
Decontamination:
-Remove from equipment by wiping, shoveling, or sweeping
-Do not us standard decontaminants that contain chlorine, CR may become more potent
-Aeration is sufficient to decontaminate personnel, dissipation occur in 5-10 minutes
Persistency
-Under suitable conditions, CR can persist on certain surfaces (especially porous material) for up to 60 days
VOMITING AGENTS
Diphenylchloroarsine (DA)
Vomiting agent
Primary usage: Not authorized for military use
Enters body primarily through respiratory tract
Symptoms: Irritation of eyes and the mucous membranes; viscous discharge from the nose similar to that caused by a cold, sneezing and coughing; severe headache, acute pain and tightness in the chest; nausea and vomiting
Effect last for 30 minutes after person leaves contaminated atmosphere
At high concentrations effects may last up to several hours
Diphenylchloroarsine (DA)
LCt50: 15,000mg-min/m³
lCt50: 12mg-min/m³
Rate of detoxification: One to two hours
Eye and skin toxicity: Irritating; not toxic
Time to effect: Rapid, with one-three minutes
Diphenylchloroarsine (DA)
Physical state: Colorless crystals when pure
Odor: No odor
Boiling point: 333°C at 760 mm HG
Melting point: 44.5°C
Volatility: 45mg/m³ at 45°C
Flash point: 350°C
Decomposition temp: 300° C
Stability in storage: Stable when pure
Molecular weight: 264.5
Heat of vaporization 56.6 cal/g
Diphenylchloroarsine (DA)
Means of detection in the field:
– None.
Protection required:
-Protective mask.
Decontamination:
-None required in field
-Caustic soda or chlorina used for gross contamination in enclosed spaces
Persistency
-Short, because compound is disseminated as an aerosol
-Heavily splashed liquid last one to two day under average conditions
Diphenylcyanoarsine (DC)
Vomiting agent
Primary usage: Not authorized for military use
Enters body primarily through respiratory tract
Symptoms: Irritation of eyes and the mucous membranes; viscous discharge from the nose similar to that caused by a cold, sneezing and coughing; severe headache, acute pain and tightness in the chest; nausea and vomiting
Effect last for 30 minutes after person leaves contaminated atmosphere
At high concentrations effects may last up to several hours
Diphenylcyanoarsine (DC)
LCt50: 10,000mg-min/m³
lCt50: 30mg-min/m³
Rate of detoxification: One to two hours
Eye and skin toxicity: Irritating; not toxic
Time to effect: Rapid, intolerable at 30 secs.
Diphenylcyanoarsine (DC)
Physical state: Solid
Odor: Garlic and bitter almond smell
Boiling point: 350°C at 760 mm HG
Melting point: 35°C
Volatility: 2.8mg/m³ at 45°C
Flash point: Low
Decomposition temp: 300° C
Stability in storage: Stable at all ordinary temp.
Molecular weight: 255.0
Heat of vaporization 71.1 cal/g
Diphenylcyanoarsine (DC)
Means of detection in the field:
– None.
Protection required:
-Protective mask.
Decontamination:
-None required in field
-Bleach or DS2 for gross contamination in enclosed spaces
Persistency
-Short, because compound is disseminated as an aerosol
Adamsite (DM)
Vomiting agent
Primary usage: Not authorized for military use
Enters body primarily through respiratory tract
Symptoms: Irritation of eyes and the mucous membranes; viscous discharge from the nose similar to that caused by a cold, sneezing and coughing; severe headache, acute pain and tightness in the chest; nausea and vomiting
Effect last for 30 minutes after person leaves contaminated atmosphere
At high concentrations effects may last up to several hours
Adamsite (DM)
LCt50: 11,000mg-min/m³
lCt50: 22-150mg-min/m³
Rate of detoxification: Rapid in small amounts
Eye and skin toxicity: Irritating; not toxic
Time to effect: Rapid, one minute to incapacitate
Adamsite (DM)
Physical state: Light yellow to green crystal
Odor: No odor, but irritating
Boiling point: 410°C at 760 mm HG
Freezing point: 195°C
Volatility: Negligible
Flash point: None under usual conditions
Decomposition temp: 300° C
Stability in storage: Stable when pure
Molecular weight: 277.57
Heat of vaporization 56.6 cal/g
Adamsite (DM)
Means of detection in the field:
– None.
Protection required:
-Protective mask.
Decontamination:
-None required in field
-Bleaching powder or DS2 used for gross contamination in enclosed spaces
Persistency
-Short, because compound is disseminated as an aerosol